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HomeMy WebLinkAboutLUA16-000068M I G VR RENTON HOUSING AUTHORITY SUNSET COURT APARTMENTS SURFACE WATER TECHNICAL INFORMATION REPORT VARIANCE/SITE PLAN REVIEW) January 13, 2016 Prepared for: Renton Housing Authority 2900 NE 10th Street Renton, WA 98056 Prepared by: MIGISvR 1205 Second Avenue, Suite 200 Seattle, WA 98101 Contact: Patty Buchanan, PE MIGISvR Project No. 15030 4 i RENTON HOUSING AUTHORITY SUNSET COURT APARTMENTS SURFACE WATER TECHNICAL INFORMATION REPORT VARIANCE/SITE PLAN REVIEW) January 13, 2016 c.;: 'dFWA' G ; 640810 V r- TABLE OF CONTENTS Section Page 1.0 PROJECT OVERVIEW 4 1.1 General 4 1.2 Pre-developed Condition 4 1.3 Proposed Development 4 1.4 Proposed Storm Drainage Facilities 4 1.5 Soils 5 2.0 CONDITIONS AND REQUIREMENTS SUMMARY 21 2.1 Conditions and Requirements 21 2.1.1 Core Requirements 21 2.1.2 Special Requirements 22 3.0 OFF-SITE ANALYSIS 31 3.1 Standard Requirements 31 3.2 Scope of Analysis 31 3.2.1 Resource Review 31 3.2.2 Field Inspections 31 3.2.3 Drainage System Description and Problem Descriptions 31 3.2.4 Mitigation of Existing or Potential Problems 31 4.0 FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN 38 4.1 Existing Site Hydrology 38 4.2 Proposed Site Hydrology 38 4.3 Performance Standards 38 4.4 Flow Control Facilities 41 4.5 Water Quality Facilities 41 5.0 CONVEYANCE SYSTEMS ANALYSIS AND DESIGN 43 5.1 Standard Requirements 43 5.2 Proposed Conveyance System 43 6.0 SPECIAL REPORTS AND STUDIES 45 6.1 Geotechnical 45 7.0 OTHER PERMITS 47 7.1 NPDES Permit 47 8.0 CSWPPP ANALYSIS AND DESIGN 49 8.1 ESC Plan 49 9.0 BOND QUANTITIES,FACILITY SUMMARIES,&DECLARATION OF COVENANT 51 9.1 Bond Quantities Plan 51 10.0 MAINTENANCE AND OPERATIONS MANUAL 53 10.1 Maintenance Recommendations 53 RHA Sunset Court Apartments,MIGISvR#15030 Page i Technical Information Report January 13,2016 LIST OF FIGURES Figure 1 —Site Location Figure 2—TIR Worksheet Figure 3—Existing Conditions -Drainage Subbasins Figure 4—Developed Conditions-Drainage Subbasins Figure 5—Soils Map Figure 6—Flow Chart for Determining the Type of Drainage Review Required Figure 7—Flow Control Application Map Figure 8—Groundwater Protection Areas Figure 9—Downstream Analysis Map Figure 10—Downstream Analysis Worksheet Figure 11 —Flow Chart for Determining Individual Lot BMP Requirements Figure 12—Bond Quantities Worksheet Figure 13—Maintenance and Operations Manual LIST OF TABLES Table 1 —Pre-Developed and Developed Surface Coverage Areas Table 2—Detention Flow Rate Results LIST OF APPENDICES APPENDIX A—Geotechnical Report APPENDIX B—Plans and Survey APPENDIX C—Stormwater Modeling Reports APPENDIX D—Conveyance System Calculations APPENDIX E—Declaration of Covenant for Maintenance and Inspection of Flow Control BMP's RHA Sunset Court Apartments,MIGISvR#15030 Page ii Technical Information Report January 13,2016 I RHA Sunset Court Apartments,MIGISvR#15030 Page iii Technical Information Report January 13,2016 1.0 PROJECT OVERVIEW 1.1 General The Renton Housing Authority Sunset Court Project(Project)proposes to construct an approximately 50 unit,multi-family residential development, along the east side of the 1100 block of Harrington Avenue NE, in Renton, WA(see Figure 1). The development will include the construction of four,two story, apartment buildings, a surface parking lot,pathways, landscaping, service utilities, and associated right-of-way improvements along the Project frontage. See Figure 2 (TIR Worksheet)for a summary of the Project. 1.2 Pre-developed Condition The Project site is bounded by the Glennwood Avenue right-of-way to the north, a multi-family residential complex to the south,the vacated Harrington Place NE right-of-way to the east, and Harrington Avenue NE to the west. The existing land cover onsite consist of a park play area and playfield and two single family homes with associated lawns and dirt driveways. The topography is relatively flat with a less than 2% average slope across the site. Based on a topographic survey provided by Benchmark Surveying LLC,there is no existing storm drainage infrastructure on-site. Based on survey contours,existing stormwater runoff sheet flows across the site, from the northeast to the southwest and is likely collected by existing bioretention swales along Harrington Avenue NE or by a downstream catch basin located within the right- of-way. Figure 3—Existing Conditions shows existing condition flow patterns. Table 1 -Pre- Developed and Developed Surface Coverage Areas includes a summary of the existing site coverage areas. Table 1 -Pre-Developed and Developed Surface Coverage Areas Pervious Impervious Total AreaBasinLandscape/Grass/Etc.) acres)acres) acres) Pre-Developed 1.52 0.40 1.92 Developed 0.73 1.19 1.92 1.3 Proposed Development The Project proposes to construct four,two story,multifamily apartment buildings. Other proposed site features include concrete patios and walkways,two refuse enclosures,bicycle storage facilities, ROW frontage improvements, and associated landscaping improvements and infrastructure. Table 1 Pre-Developed and Developed Surface Coverage Areas includes a summary of the proposed site coverage areas. 1.4 Proposed Storm Drainage Facilities In general, stormwater runoff will be directed to a new stormwater detention vault, located beneath the proposed parking lot, and then to the existing storm main line within the Harrington RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 4 January 13,2016 Avenue NE right-of-way. Building downspouts will be tightlined to the proposed detention vault and pollution generating runoff from the parking lot will be directed to bioretention planters for treatment prior to being routed to the detention vault and then to the public storm drainage system. Runoff from landscaped areas is expected to infiltrate. The site will be graded towards the on-site stormwater planters; in the event that runoff from landscape areas does not infiltrate it will be collected by the planters. Figure 4—Proposed Conditions shows developed condition flow patterns. 1.5 Soils Based on a geotechnical engineering study performed by Geotech Consultants, Inc. (see Geotechnical Report in Appendix A)the subsurface conditions of the site consist of approximately 1' of topsoil,underlain by 2'—6' feet of sand with gravel,underlain by glacial till. The City of Renton Amendments(City Amendments)to the King County Surface Water Design Manual (KCSWDM) identifies the site as being underlain by Arents,Alderwood material, 6 to 15 percent slope(AmC), see Figure 5-Soils Map. In accordance with the KCSWDM,the soils onsite were tested for infiltration rates, soil gradation, organic content, and cation exchange capacity. Infiltration test results provided 60 and 96 in/hr infiltration rates for the two locations tested; however,the relatively shallow glacial till layer makes infiltration unfeasible across most of the site. Soil gradation results are provided in the Geotechnical Report,Appendix A. The organic content was determined to be 0.5%, in test pit#2, at a depth of two feet. The cation exchange capacity at the same location was tested to be 3.81 meq/100g. See Appendix A for a copy of the Geotechnical Report and information regarding cation exchange capacity and organic content. RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 5 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 6 January 13,2016 FIGURE 1 SITE LOCATION z..i' r. 4•,• nY a µ es r.. M 4'iti.- i 1 r ma ,,... '' I, + th a rr • s, . 4. •f PROJECT ,f: P. 2'.. .. 1 U;, .. , SITE iI 4! d, i f iF 14, i$ '; An .,-,..-•.' • '4- ' ''''' - '4; .'t,L14'.:. '/Avi-Nr4:7' tj . • - 1,-• IM, r r ji. A 4 a. p; _ "r • 1 :" 1. C' 7:141-- ON •••*1.,gr,r - -.• ''. -'' ' 1 . A'• 1 e r• 4 • 'LI • t 1. From Google Earth Professional,Downloaded on January 5,2016. RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 7 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 8 January 13,2016 FIGURE 2 TIR WORKSHEET KING COUNTY,WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT(TIR)WORKSHEET Part IPartVPROJECTPart2:rPROJECTLOCATIONAND: tP OJECT'ENGINEER' r .::; a ..r ,jRS.=` '-r DESCRIPTION;''::-=`?i::, Project Owner Re,n>rn,, j.‘e,Iwo Of'wer•+ Project Name t=,.n,.cet - Phone (yasl -I0SO DDES Permit# Address 'VI t\HE I0TW SA- Location Township 23 Atok Range Sr.:- Project Engineer F 44y 3wh6 ocet4 Section NW Company t\A{t_ SiteAddress ' rr9v v iwCkr Phone 206) 3-03'?10 si !z 541. Heiri' Pait3 :TYPEOFjPERMIT'AP.PLICATION;r'.:.' Part4'.:OTHERRE_VIEWS`AND'PERMITS Landuse Services DFW HPA Shoreline Subdivison / Short Subd. / UPD COE 404 Management Building Services U DOE Dam Safety Structural nm/Commerical / SFR RockeryNault/ Clearing and Grading FEMA Floodplain ESA Section 7 Right-of-Way Use El COE Wetlands Other Other p rV w( Ilr.claon(.- Fart 5 PLAN AND-EPORT'INFORMATION Technical Information Report Site Improvement Plan (Engr.Plans) ' Type of Drainage Review / Targeted / Type(circle one): Modified / circle): ge Site Small Site Date(include revision Date(include revision dates): dates): Date of Final:Date of Final: Patt 6';ADJUSTMENT APPROVALS Type(circle one): Standard / Complex / Preapplication / Experimental/ Blanket Description:(include conditions in TIR Section 2) C;k., o r o.. a 1„hy CoM,v}i R,.,qvv. Date of Approval: 2009 Surface Water Design Manual 1/9/2009 1 RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 9 January 13,2016 FIGURE 2,continued TIR WORKSHEET KING COUNTY,WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT(TIR)WORKSHEET art 7;:MONITORING REQUIREMENTS H< Monitoring Required: Yes 0 Describe: Start Date: Completion Date: _ Part 8..SITE'COMMUNITY',AND DRAINAGE BASIN ' . Community Plan:%Inlr.,nA Corny lam, l Plav„wrny area Special District Overlays: Drainage Basin: Lake_Wo4n.Nt for. L:uat Stormwater Requirements: Co e.. r`e1wcCW.enks Part 9':ONSITE AND ADJACENT'SENSITIVE AREAS '_' River/Stream Steep Slope Lake Erosion Hazard • Wetlands Landslide Hazard Closed Depression Coal Mine Hazard Floodplain Seismic Hazard Other Habitat Protection Part 10 SOILS Soil Type Slopes Erosion Potential Al High Groundwater Table(within`5 feet) , Sole Source Aquifer ZMQtr ta4 C91ce.1, T. 2:'6 Other t1= swc'.e Seeps/Springs Additional Sheets Attached 2009 Surface Water Design Manual 1/9/2009 2 RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 10 January 13,2016 FIGURE 2,continued TIR WORKSHEET KING COUNTY, WASHINGTON,SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT(TIR)WORKSHEET Part 11 DRAINAGE REFERENCE LIMITATION/SITE CONSTRAINT Core 2—Offsite Analysis U Sensitive/Critical Areas SEPA Other Additional Sheets Attached Part 12 TIR SUMMARY SHEET '(provide one TIR Summary Sheet per Threshold Discharge Area). t Threshold Discharge Area: name or description) Proje* Srr Core Requirements(all 8 apply) Discharge at Natural Location Number of Natural Discharge Locations: Offsite Analysis Level: tD/ 2 / 3 dated: Flow Control Level: 0/ 2 / 3 or Exemption Number incl.facility summary sheet) Small Site BMPs Conveyance System. Spill containment located at: • Erosion and Sediment Control ESC Site Supervisor.r XS D Contact Phone: After Hours Phone: Maintenance and Operation Responsibility: Private/ Public If Private,Maintenance Log Required: Yes /No Financial Guarantees and Provided: Yes / No Liability Water Quality Type: Basic / Sens.Lake I Enhanced Basicm / Bog include facility summary sheet) or Exemption o. Landscape Management Plan: Yes / No Special Requirements(as applicable) Area Specific Drainage Type: CDA/SDO/MDP/BP/LMP/Shared Fac./ on Requirements Name: Floodplain/Floodway Delineation Type: Major/ Minor/ Exemption None 100-year Base Flood Elevation(or range): Datum: Flood Protection Facilities Describe: Source Control Describe landuse: comm./industrial landuse) Describe any structural controls: 2009 Surface Water Design Manual 1/9/2009 3 RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 11 January 13,2016 FIGURE 2,continued TIR WORKSHEET KING COUNTY,WASHINGTON,SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT(TIR)WORKSHEET Oil Control High-use Site: Yes / No Treatment BMP: Maintenance Agreement: Yes /©o with whom? Other Drainage Structures Describe: N O ex,,01v, Part 13 EROSION AND SEDIMENT CONTROL REQUIREMENTS MINIMUM ESC REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION AFTER CONSTRUCTION El Clearing Limits t Stabilize Exposed Surfaces El Cover Measures let Remove and Restore Temporary ESC Facilities El Perimeter Protection Et Clean and Remove All Silt and Debris,Ensure Operation of Permanent FacilitiesElTrafficAreaStabilization JCJ Sediment Retention Flag Limits of SAO and open space d preservation areasaSurfaceWaterCollection Other 151 Dewatering Control El Dust Control Flow Control Part 14 STORMWATER FACILITY DESCRIPTIONS(Note:Include Facility Summary and Sketch) Flow Control Type/Description Water Quality Type/Description 13,ore_1+..1ttr. Al Detention VOt.W Biofiltration P,R•^ma's Infiltration Wetpool U Regional Facility U Media Filtration Shared Facility Oil Control 14 Flow Control Spill Controll,..naor 11BMPsHtwoJyvtatiaYS t, rmFe"Ng Flow Control BMPs P 1vM e,U Other U Other 2009 Surface Water Design Manual 1/9/2009 4 RHA Sunset Court Apartments,MIG1SvR#15030 Section 1 Technical Information Report Page 12 January 13,2016 FIGURE 2,continued TIR WORKSHEET KING COUNTY,WASHINGTON,SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT(TIR)WORKSHEET Part 15 EASEMENTS/TRACTS Part 16,STRUCTURAL ANALYSIS Drainage Easement a Cast in Place Vault(L`1 )11- +'iC4" ' ) ) Covenant Retaining Wall Native Growth Protection Covenant Rockery>4'High U Tract Structural on Steep Slope • Other Other Part 17 SIGNATURE OF PROFESSIONAL ENGINEER I,or a civil engineer under my supervision,have visited the site. Actual site conditions as observed were incorporated into this worksheet and the attached Technical Information Report. To the best of my knowledge the information provided here is accurate. Signed/Dale 2009 Surface Water Design Manual 1/9/2009 5 L RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 13 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 1.0 Technical Information Report Page 14 January 13,2016 FIGURE 3 EXISTING CONDITIONS—DRAINAGE BASIN a _SHEt T-i_O 1 w CIi ONTJ S‘Tr Ci rim RUC W Mew sGlennwoodAveNEIEm a wWL1n. 7...%: '''•••,. '''',1• ' Ill a ss _.sat c Si p rw m mr s l aop tT an ewnew \ q anwa n r .I fn os rs a uc c at+xcr's \ f/ ers _ `T ` Iaa 01M OG716 r f 1 L- I i' ,.Y I Ot.9 Ottr..n sst 1, L k 4.1 t!/' DNS t SO MUM soca Ar/ ,*011E T r 40 t © u.+c F'fr_ l: -----H—L' --;, _ yit a"z""zi" h6,itelakcillk i A/il 1/ I • i , / T,il r t - s, ----(„--„y..„, : -,"1 i‘ h, cI t ra 111"t , 4,II'S 4,1011L. 1 J H, r 7 - : ISIV ,/,,'8VIfirra 4616 1 C. an 8TOTAL PARCEL7.038.FT. %.- } 1 919 AC. n id0/1 '' ii U J J `Vl-hM s 4# //__/://,„. , a P10.3a7 0 s5Qc1,- C,.6 (0•9 AC) 19 I.:023. :- . II 4 e--": I dIP"--I r,/, 1*4I , 4. I *ma___ a y / r Ir • / 1i,-1ii, i. l.*,.--- Il1.f J- tl-er.•.`:" r t , r 4 ,/ 0/ e 11 o le v. ii atO II if'iwi. a eliFNll' L oUw. A. A- c. k-). A. I t i r J Nits, t RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Page 15TechnicalInformationReport January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 16 January 13,2016 FIGURE 4 DEVELOPED CONDITIONS -DRAINAGE BASINS i _ I Glennwood Ave NE s;C°'` ' 1°°ae tr1—` tc mo cimieuc i_ woo mom rmW _ isee il ECU-1M!es POT % , s" 6 Ea Iola Ilan CI 1011451127 IIr M \`,:iaL iTlr r/ MN- _ rilik.n., W^.ILSpE7 it PEE p., \ 1 . 53/ WV. 0-0Ra0A h iFr IO.O 4' IIINPA_ _ 11 ey 1,,0-A aKJl6/o fib' i ij,' C 44, / ..- • I r\ o a , 9/ Pt we a ao scaryAV 1 i 11/ att..11119 y r/ o. lig I ; 1' ill .LE6-W , i Al Akii-44 SN1 vt.5a= 11; r. A .--, iih. 4111\ At y PR S c i s1 it, ifl hey i w nr N a N.T. E RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 17 January 13,2016 FIGURE 5 SOILS MAP Reference 11-C sd1,w.M.., . M•• OEM. -,9.. wa L;Ff 11I k i c.......Iw' ' M 80 E'u i Q 00+b-." ' FG-, -,, -ur 7 ---w P .. R w r r-•,.. e a C: fir' , 13, ':"., 13', 14'.-"s': - '"' 7 7 1 j 1 \ 1N. i"'' L r".1 i Y I 187. Date 01l09/2014 Soil Survey 2 entonMika 1- From City of Renton Amendments to the King County Surface Water Design Manual,February 2010 2. AmC:Arents,Alderwood Material,6 to 15 percent slopes (KCRTS equivalent soil:"Glacial Till") RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 19 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 1 Technical Information Report Page 20 January 13,2016 2.0 CONDITIONS AND REQUIREMENTS SUMMARY 2.1 Conditions and Requirements Stormwater management for the Project will be provided in accordance with the City Amendments and KCSWDM requirements. The flow chart in Figure 6—Flow Chart for Determining the Type of Drainage Review Required in conjunction with Table 6— Requirements Applied Under Each Drainage Review Type in the City Amendments,provides the framework to determine which Core Requirements apply to the Project. These figures are provided in the City Amendments as Figure 1.1.2.A and Table 1.1.2.A. The Project will add/replace more than 2,000 square feet of impervious surface;therefore,the Project must comply with Core Requirements#1-#8 and Special Requirements#1-#6. 2.1.1 Core Requirements Core Requirement#1:Discharge at Natural Location Preliminary stormwater plans have been prepared; a copy is included in Appendix B. Following on-site treatment and detention, stormwater runoff will be discharged at the natural discharge location",the City of Renton storm drainage system within Harrington Avenue NE. Core Requirement#2: Offsite Analysis All projects are required to perform an offsite analysis per Section 1.2.2.1 of the City Amendment. A Level 1 analysis has been performed and is presented in Section 3.0 of this report. Core Requirement#3:Flow Control The project is located in a peak rate flow control (existing conditions) standard area based on the City of Renton Flow Control Application Map, see Figure 7. Flow control will be provided by routing runoff to a detention vault located beneath the surface parking lot. See Appendix B for preliminary stormwater plans, including vault size and location. Core Requirement#4: Conveyance System Runoff from the Project site will be conveyed to the existing,piped, storm drainage system in the right-of-way via a piped, onsite storm drainage system. The stormwater conveyance system has been sized to convey flows from the 25-year storm event. See Appendix D for conveyance calculations. Core Requirement#5:Erosion and Sediment Control Erosion and Sediment Control(ESC)Plans have not been prepared for the Project at this time. ESC plans will be submitted,together with stormwater plans, as part of the building permit submittal. Additionally,the Contractor will be required to prepare a Stormwater Pollution Prevention and Spill(SWPPS)Plan to comply with Section RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 21 January 13,2016 2.3.1.1 of the City Amendment. Applicable Best Management Practices (BMPs)will be selected and maintained by the Project Owner to control pollution. Core Requirement #6:Maintenance and Operations A maintenance and operations manual has been prepared and is provided in Section 10.0 of this report. Core Requirement#7:Financial Guarantees and Liability All required bonds will be paid by the Owner prior to permit approval,per Section 1.2.7 of the City Amendments. A bond quantities worksheet will be prepared at a later date and included in the final TIR. Core Requirement#8: Water Quality Normally, as the Project is a multifamily residential project,it would be subject to the requirements of the Enhanced Basic Water Quality Menu per Section 1.2.8.1.A of the City Amendments; however, as the Project will drain entirely via a piped system to the major receiving water"Lake Washington, it is exempt from providing enhanced treatment and only subject to the requirements of basic treatment. Treatment of pollution generating impervious surfaces will be provided with bioretention planters. Treatment of pollution generating pervious surfaces will not be explicitly provided; a Landscape Management Plan that controls solids, pesticides, and fertilizers leaving the Site will be created for the Project. See section 1.2.8.1 of the City Amendment for additional information on Water Quality requirements and exceptions. 2.1.2 Special Requirements Special Requirement#1: Other Adopted Requirements No other area-specific requirements apply to this Project. Special Requirement#2:Flood Hazard Delineation Not applicable. The Project is not adjacent to a flood hazard area. Special Requirement#3:Flood Protection Facilities Not applicable. There are no flood protection facilities on or adjacent to the site. Special Requirement#4:Source Control Not applicable. The Project does not require a commercial building or commercial site development permit. Special Requirement#5: Oil Control Not applicable. This site is not classified as high-use. RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 22 January 13,2016 Special Requirement#6:Aquifer Protection Area The Project is located within the Aquifer Protection Area, Zone 2. The project is proposing a bioretention planter with underdrain for water quality treatment of the parking lot. As the measured infiltration rate of the on-site soils is greater than nine inches per hour, a facility liner will be required per Special Requirement#6 (Section 1.3.6 of the City Amendments). The bioretention soil within the planter will have sufficient organic content to meet the organic soil layer requirements for a treatment liner per 6.2.4.2 of the KCSWDM. See the Geotechnical Report in Appendix A, Section 1.3.6 of the City Amendment, and Section 6.2.4 of the KCSWDM). A map of the Aquifer Protection Area zones is provided in Figure 8. RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 23 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 24 January 13,2016 FIGURE 6 FLOW CHART FOR DETERMINING THE TYPE OF DRAINAGE REVIEW REQUIRED SECTION 1.1 DRAINAGE REVIEW FIGURE 1.1.2.A FLOW CHART FOR DETERMINING TYPE OF DRAINAGE REVIEW REQUIRED Is the project a single family residential project that results in a2,000 sf of SMAI,I,PROJECT DRAINAGE new and/or replaced impervious surface or>7,000 sf of land disturbing REVIEW activity,AND meets the following criteria? Section 1.1.2.1 The project results in<5,000 sf of new impervious surface,and<35,000 Note:The project may also besfofnewpervioussurfacesubjecttoTargetedDrainage Review as determined below. Yes Noj Does the new or redevelopment Does the project have the characteristics of one or more of the following project result in>2,000 sf of new categories of projects(see more detailed threshold language on p.1-13)? and/or replaced impervious surface or 1. Projects containing or adjacent to a flood,erosion,or steep slope 35,000 sf of new pervious surface? hazard area or documented drainage problem;projects within a landslide hazard area or landslide hazard drainage area;or No projects That propose>7,000 sf(1 ac if project is in Small Project Drainage Review)of land disturbing activity. 2.Projects proposing to construct or modify a drainage pipe/ditch that is 12"or larger or receives runoff from a 12'or larger drainage pipe/ditch. Yes No- G/ Yes ' Reassess whether I ARGETED DRAINAGE REVIEW drainage review is Section 1.1.2.2 required per Section 1.1.1(p.1-8). V Does the project result in>50 acres of new impervious FULL DRAINAGE REVIEW surface within a subbasin or multiple subbasins that are 'NO Section 1.1.2.3 hydraulically connected? Yes LARGE PROJECT DRAINAGE REVIEW Section 1.1.2.4 City of Renton 2009 Surface Water Design Manual Amendment 1-10 RI-IA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 25 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 26 January 13,2016 FIGURE 7 FLOW CONTROL APPLICATION MAP Reference 11-A rr ti 1 P. i r Flow Control Standards K Peak Rate Flow Control Standard(Ewssne Site Conditiena) 9e iaw `" 19t, Flow Control Duratlon Standard(Existing Site Condisats) Y Po I '`(, t, Flow Caned Duration Standard(Forested Conditions) fRenton Cry Limas OPotential Ammrrion Area t 6,l,awe t 411Tw://,,,, 41(ilevii. i 14i, \ a ,, Yf. IJ:ieal q.lid t , °( se m: SE r1]w Irilew.P. a c a.jrrn a pelf II ` i Mies, e SI Yyr t 5y r MP L Vt p a a 64 0.' I d 7 j 'li oec4 S 1. ie, :. 7ft'S S S as troP y A i Ir...., -- . leytivi-rqc ,,,,,,_t4, !.,,, t, S Sewp r•t 4,` 1T f. 4;n 0 i.lt. k l' . se is' 41" ' b%r /... , E 1 9 nlaTiRi 0,4 2 NM 'YtrpgF I L. 1 d 4 \ li i I j f 11 4 d s .. Flow Control Application Map A Printed 1111/2010 r 0 1 2 ir r( ri Miles RHA Sunset Court Apartments,MIG1SvR#15030 Section 2 Technical Information Report Page 27 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 28 January 13,2016 FIGURE 8 GROUNDWATER PROTECTION AREAS Reference 11-B r w . if toe .. 4'‘,.a• fab 11.th s, 161,41.W 1. IS' leiis Pori mini, p 1)11- Iii it 1. q/ s., .4 s, t fa 4+ it 401i.f,i irAi Ana tri 1100.zialkIk..\ 1- r=3* rillrlu,u a Iv; _ 4. ,-,,,, til..iiirr KINIoselligsg! 1 4i :14 jkl IS II 11,ii.iiiIhrEll ail 1,3,11. y rw - I G.\'+1 11 IN r/i. rla . 1;I. VII ' N- . r, pa a 1 1111111 mull e. It! ‘ • , wik SIJtit‘ievilliraiiiiiiirIL111111.1174;rWIFett,Tfai 4114'. , Nillik t4* k Til tli 1 , j .„,..44,k. Lt4 „. k1 ....4*7t.1 -. .. AND....!.._'_7.._-__.' ,__,..._____ I ---,,k, ....,,,,....„....„. . romr,41„,lig1rsvrIO1111111 iiiii R l 1 t-a ii 4 l NV*r+ lairv..ws Groundwater Protection Areas in the City of Renton Production woo W.IMI.ld Capture Zones vela Sawa, O( Cre year Caqun Zone N 0 city L.nt iJe FM'hr Capture Zone Public IA arks Deprrmea. Cedar Valley Sole Source 0 Tn Meer Capture Zone Dale cwrq. Aquifer Project Review Area F'nclnerine Me lm. Aquifer Protection Area Zones I.\\'llson.D,fJllr.('.Saimaa Seemlier,Source Ana Q Zoo./ entry a, coo,van Sea Scene Ayer O Zoe 1 brodrae hire.. y rl r ri r1 I o IDne Z RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 29 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 2 Technical Information Report Page 30 January 13,2016 I i 3.0 OFF-SITE ANALYSIS 3.1 Standard Requirements yOffsite analysis is required for all projects per Section 1.2.2 of the City Amendment. This Project is not exempt from this requirement since the project will add more than 2,000 square feet of impervious area. 3.2 Scope of Analysis As shown in Figure 9 the offsite analysis study area extends from point 0 to point 221. Point 22 is approximately 'A mile downstream from the Project site. Iq 3.2.1 Resource Review In preparing the offsite analysis,the following current and historical resources were reviewed: Boundary and Topographical Survey by Benchmark Surveying, LLC, dated July 2, 2012, and updated January 8, 2015. City of Renton's Storm and Surface Water Utility Systems Map (COR GIS). 3.2.2 Field Inspections A field inspection has not yet been conducted and will be conducted at a later date. 3.2.3 Drainage System Description and Problem Descriptions Figure 9 shows a map of the downstream system reviewed. Figure 10 includes a description of each drainage system element.No downstream drainage issues were identified by the Level 1 downstream analysis. 3.2.4 Mitigation of Existing or Potential Problems As no downstream issues were identified,no mitigation measures are proposed. As the ProjectgppJ will be matching existing runoff rates from the site,no potential downstream drainage problems are anticipated as a result of the proposed improvements. The downstream system and need for mitigation will be re-evaluated following the forthcoming field inspection. RHA Sunset Court Apartments,MIGISvR#15030 Section 3 Technical Information Report Page 31 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 3 Technical Information Report Page 32 January 13,2016 FIGURE 9 DOWNSTREAM ANALYSIS MAP Sunset Court Downstream Analysis Map ii Legend and County Boundary O. Witeili M - ' ' inif- —O•" lig N I Control 5Uucho. PvnD SNtron I- , LINEN DncMrP Pont we«ourrty jigim...,,I41ran s f . IIIII {{{ j 00 v. T. firUil 1 1 per» r. "' I. j Own Ds 0000004ie,III 1 irs Fes a..re Networkan sw vrei en 13• veer.. M 1. i l on,ee.cones srn.nu<. iiillAi0lligill ' MEM 4'..:," 4' t tI-:-I-- 1.b- 3,,'/'; li4, 4. b., i.i,.*' . A- r'l r R . l o Presto Deteran loc7-1 St:1II Ur, MiT te teneancacFn,ess t Imo© l re i ! MO UM :' 7: 0 ,..1p/11 - Alit„......17/ 111 Fmem OwSiSi ® 1 —® 1 vrnraM Own Dramsig IllhiII [d1I'!!/i yr Form Aim 01111E11!11101,461:31111111111F" ' -- III . '.7 el‘afr 491111111111triAr Asp. 1:74., ,smi vg.rii,._, 4,„„ 2 iE.. NOW w 1 fL fir_ ' M I` mi.=av,:, :.y.n..uestwca>v,,4,.,,.,uermtnsay.wu.aw 512 0 2`6 512 a forr.I«.nce a y ptle layers Me Napp.,current a atlnarowa*ratable City of 01 i WOS_1 NYO_IA«utv_euNrY_> • 0')D`3 :16 THIS MAP IS NOT TO SE USED FOR NAVIGATION ( Finance&IT Division RHA Sunset Court Apartments,MIGISvR#15030 Section 3 Technical Information Report Page 33 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 3 Technical Information Report Page 34 January 13,2016 FIGURE 10 DOWNSTREAM ANALYSIS WORKSHEET OFF-SITE ANALYSIS DRAINAGE SYSTEM TABLE SURFACE WATER DESIGN MANUAL, CORE REQUIREMENT#2 Basin: Lake Washington East Subbasin Name:Johns Creek Subbasin Number: Symbol Drainage - ..Drainage.: ' . -: Slope: .:Distance Existing :Potential -Observations of field Component-Type,. Component, from site. Problems -: Problems ._ inspector, resource Name,and Size -- Description ;-discharge reviewer,orresident Type:sheet flow,Swale, drainage basin;vegetation,' o constrictions,under capacity,ponding, • tributary area,likelihood of problem,see,map. o- ml=1;320' stream,channel,pipe, .- cover,depth;typeof sensitive . . ft. overtopping,flooding,habitat or organism"". overflow pathways,potential impacts pond;"Size'diameter; =':. area;volume: "_ destruction,scouring,bank sloughing, surface area 1 '• sedimentation,incision,other erosion 1 Piped Flow Type I Catchbasin N/A 0 None Known None Anticipated POC from the site to public storm drain system 2 Piped Flow 12"Storm Drain 3.56 0-99' None Known None Anticipated 3 Piped Flow Type I Catchbasin N/A 99" None Known None Anticipated 4 Piped Flow 12"Storm Drain 0.3 99'-252' None Known None Anticipated 5 Piped Flow Type I Catchbasin N/A 252' None Known None Anticipated 6 Piped Flow 12"Storm Drain 0.6 252'-323' None Known None Anticipated 7 Piped Flow Type I Catchbasin N/A 323' None Known None Anticipated 8 Piped Flow 12"Storm Drain 2.2 323'-328' None Known None Anticipated 9 Piped Flow Type I Catchbasin N/A 328' None Known None Anticipated 10 Piped Flow 12"Storm Drain 3.5 328'-394' None Known None Anticipated RHA Sunset Court Apartments,MIGISvR#15030 Section 3 Technical Information Report Page 35 January 13,2016 Symbol". : Drainage- Drainage: Slope. : Distance ,.Existing . ,'; • Potential Observations of.field • : Com onent. - • from:site Problems" :. Problems inspector, resource.Component Type; p Name,:and Size ': - ' Description' discharge 'reviewer; or resident Type:,sheet flow,`swale, :drainage basin,vegetation,: o constrictions,under capacity,ponding,:. tributary`area,likelihood of problem,seeimap.. - o •ml,=1;320 : : stream,channel,pipe, cover,depth,:type of sensitive •it overtopping,flooding,habitat:or organism : overflow pathways;potential impacts destruction,scouring,:bank.slou hinpond;Size:diameter, area,volume : - _ ; 9 9 9. ' surface area--. sedimentation,incision,other erosion - • 11 Piped Flow Type II Manhole N/A 394' None Known None Anticipated 12 Piped Flow 8"Storm Drain 2.5 394'-522' None Known None Anticipated 13 Piped Flow Type II Manhole N/A 522' None Known None Anticipated 14 Piped Flow 12"Storm Drain Unknown 522'-972' None Known None Anticipated 15 Piped Flow Type II Manhole N/A 972' None Known None Anticipated 16 Piped Flow 18"Storm Drain 2.1 972'-1030' None Known None Anticipated 17 Piped Flow Type I Catchbasin N/A 1030'None Known None Anticipated 18 Piped Flow 24"Storm Drain 5.0 1030'-1152' None Known None Anticipated 19. Piped Flow Type II Manhole N/A 1152'None Known None Anticipated 20 Piped Flow 24"Storm Drain 1.6 1152'-1293' None Known None Anticipated RHA Sunset Court Apartments,MIGISvR#15030 Section 3 Technical Information Report Page 36 January 13,2016 Symbol Drainage . . : Drainage. _ Slope. . : Distance ,Existing Potential. Observations of:field • Component Type,:: "::Component,, from:site Problems :. Problems inspector, resource Name,and.Si•ze;' Description': discharge reviewer;or resident ' Type:sheet flow,Swale, _ .drainage basin,vegetation,:. o constrictions,under capacity,priding,: tributary area,likelihood of problem,see:map o' riii:=1,320': stream,channel,pipe, .cover,depth,type of sensitive ' overtopping,flooding,habitat:or organism . overflow pathways;potential impacts pond;'Size:diameter, : - _ ' area,volume destruction,scouring,bank:sloughing, surface area sedimentation,incision,other erosion 21 Piped Flow Type II Manhole N/A 1293'None Known None Anticipated 22 Piped Flow 24"Storm Drain 4.4 1293'-1438' None Known None Anticipated End of Analysis RHA Sunset Court Apartments,MIGISvR#15030 Section 3 Technical Information Report Page 37 January 13,2016 4.0 FLOW CONTROL AND WATER QUALITY FACILITY ANALYSIS AND DESIGN 4.1 Existing Site Hydrology The existing project site is generally flat, sloping from northeast to southwest at less than 2%. The Project site is bounded by the Glennwood Avenue right-of-way to the north, a multi-family residential complex to the south,Harrington Place NE to the east, and Harrington Avenue NE to the west. The existing land cover onsite consist of a park play area and playfield and two single family homes with associated lawns and dirt driveways. Based on a topographic survey provided by Benchmark Surveying LLC,there is no existing storm drainage infrastructure on- site. See Appendix B for a survey drawing of the existing site conditions. 4.2 Proposed Site Hydrology In general, stormwater runoff will be directed to a new stormwater detention vault located beneath the proposed parking lot, and then to the existing storm main line within the Harrington Avenue NE right-of-way. Building downspouts will be tightlined directly to the proposed detention vault and pollution generating runoff from the parking lot will be directed to bioretention planters for treatment prior to being routed to the detention vault and. Runoff from landscaped areas is expected to infiltrate. In the event that runoff from landscape areas does not infiltrate,the site will be graded to sheet flow runoff from landscaped areas to the on-site stormwater planters. See Appendix B for the proposed drainage plan. 4.3 Performance Standards The Project is located in a peak flow rate control standard area and in a basic water quality area for treating a multifamily site draining via a piped system to Lake Washington. Therefore,the Project must comply with the Peak Flow Control Standard and provide basic water quality facilities for pollution generating surfaces. A detention vault will be provided beneath the surface parking lot to provide flow control for the Project. A bioretention planter with 18"of bioretention soil and an underdrain will provide water quality treatment for the pollution generating parking lot. Runoff from the parking lot will sheet flow into the bioretention planter,be infiltrated through 18"of bioretention soil, and then be collected in the planter underdrain which will convey the treated water to the detention vault. Permeable pavements will be provided to meet the requirement for onsite flow control BMPs. Figure 11 was used to help determine the flow control BMP requirements; this figure is also available as Figure 5.2.1.A in the KCSWMM. Pervious concrete pavement will be designed and installed in accordance with Section C.2.6 of the KCSWMM. Runoff calculations showing that the developed site meets and exceeds the Peak Flow Control Standard are provided in Appendix C. Flow control credit for the permeable pavements is not currently being applied to the detention RHA Sunset Court Apartments,MIGISvR#15030 Section 4 Technical Information Report Page 38 January 13,2013 vault sizing calculation in order provide a conservative estimate of the required improvements. Flow control credit(per Section 1.2.3.2,Table 1.2.3.0 Flow Control BMP Facility Sizing Credits in the KCSWMM) for the permeable pavement will be applied at a future phase of the Project. RHA Sunset Court Apartments,MIGISvR#15030 Section 4 Technical Information Report Page 39 January 13,2013 FIGURE 11 FLOW CHART FOR DETERMINING INDIVIDUAL LOT BMP REQUIREMENTS SECTION 5.2 FLOW CONTROL BMF REQUIREMENTS FIGURE 5.2.1.A FLOW CHART FOR DETERMING INDIVIDUAL LOT l3MP REQUIREMENTS Is the project on a sitellot Yes Is it feasible and smaller than 22,000 square feet? applicable to implement full Yes a No further BMPsApplyonoormoreofthefollowingtoimperviousareadispersionfortherequired. Note: a10%of slte/lot for sllo/lot sizes<11,000 sf and a 20%of roof area as per Any proposed sitellot for sltoliot sizes between 11,000 and 22.000 sf(For Section C.2.1? connection of roof projects located in critical aquifer recharge areas these downspouts to Impervious area amounts double): No local drainage 1. Limited Infiltration(Section C.2.3) system must be 2. Basic Dispersion(Section C.2.4) Is It feasible via perforated . 3.Rale Garden(Section C.2.5) and applicable pipe connection 4.Permeable Pavement(Section C.2.6) No to implement Yes per Section5.Rainwater Harvesting(Section C.2.7) 4 full Infiltration 0. C.2.11. No 6.Vegetated Roof(Section C.2.8) of the roof 7.Reduced Impervious Service Credit(Section C.2.9) runoff as par 8. Native Growth Retention Credit(Section C.2.10) Section C.2.2? r . as o .1,,,,,,.,... , :e Yes Is ItfeasbleandorlargerwithImpervioussurface or . applicable to implement full dispersion on all Yes No further BMPstargetImpervious required. Note: surface as per Any proposedOneormoreofthefollowingBMPsmustbeImplementedSectionC.2.17 connection of roof No for that portion of target impervious surface not addressed with loll dispersion orwilh full Infiltration of roof runoff: No+ downspouts to local drainage system 1. Full Infiltration(Section C.2.2 or Section 6.4) Is II feasible and applicable to must be via 2. Limited Infiltration(Section C.2.3) No Implement full Infiltration of perforated pipef3. Basle Disporslon(Section C.2.4) the roof runoff as per connection per4. Rain Garden(Section C.2.6) Section C.2.2 or Section 5.4?Section C.2.11.5. Permeable Pavement(Section C.2.6) 6.Rainwater Harvesting(Section C.2.7)Yes Yes+ A 7.Vegetated Roof(Section C.2.8) Is there any remaining target 8.Reduced Impervious Service Credit(Section C.2.9) Impervious surface not No 9.Native Growth Retention Credit(Section C.2.10) addressed with full dispersion or with full infiltration of roof runoff? V The project must be a sIteflot 22,0D0 square feet or larger with impervious surface Is it feasible and covers.enofnemthan45•7 applicable to Implement full dispersion on all target Impervious No surface as per Projects wdh impervious area greater than 45%and equal 10 or Section C.2.17 r. less than 65%ono or more of the following must be applied to an Impervious area greater than or equal to 20%of the site or 40%of he target impervious surface whichever Is less OR for projects Yes greater than 65%impervious one or more of the following must be No further BMPs applied to an impervious area greater than or equal to 10%of site required. Note: or 20%of target Impervious surface,whichever Is less: My proposed 1. Full Infiltration(Section 5.4) connection of roof 2. Limited infiltration(Section C.2.3) downspouts to 3. Basic Dispersion(Section C.2.4)local drainage moms> 4. Rain Garden(Section C.2.5) system must be 5. Permeable Pavement(Section C.2.6) via perforated 6.Rainwater Harvesting(Section C.2.7) 0. pipe connection7.Vegetated Roof(Section C.2.8) per Section8.Reduced Impervious Service Credit(Section C.2.9) C211 9.Native Growth Retention Credit(Section C.2.10) 1/9/2009 2009 Surface Water Design Manual 5-12 i, RHA Sunset Court Apartments,MIGISvR#15030 Section 4 Technical Information Report Page 40 January 13,2013 4.4 Flow Control Facilities Flow control will be provided for the site by an underground detention vault located below the proposed surface parking lot. The detention vault has been sized to detain flows to the Peak Flow Control Standard(matching the existing runoff rates for the 2-, 10-, and 100-year, 24- hour storm peak flows). Table 5 provides the Project peak flows for the existing and developed conditions. Locations of pervious concrete pavements may be found in the plan set within Appendix B. See Section 10 of this report for facility maintenance requirements. 4.5 Water Quality Facilities Water quality treatment for the pollution generating parking lot will be provided by a bioretention planter. Runoff from the parking lot will sheet flow into the planter where it will infiltrate through 18" of bioretention soil. The bioretention planter has been size to filter 99.7% of the runoff from the pollution generating parking lot which exceeds the 91%minimum requirement for basic water quality treatment. See appendix C for water quality treatment sizing calculations. Table 2-Detention Flow Rate Results Basin 2-year 10 year 25-year 100-year cfs) cfs) • , cfs) : _ cfs) Pre-Developed 0.16 0.24 • • . 0.29 0.51 j Developed 0.15 0.23 • . 0.25 : 0.51 RHA Sunset Court Apartments,MIGISvR#15030 Section 4 t_, Technical Information Report Page 41 January 13,2013 PAGE LEFT INTENTIONALLY BLANK y RHA Sunset Court Apartments,MIGISvR#15030 Section 4 Technical Information Report Page 42 January 13,2013 5.0 CONVEYANCE SYSTEMS ANALYSIS AND DESIGN 5.1 Standard Requirements The City Amendments states that, "New pipe systems shall be designed with sufficient capacity to convey and contain(at minimum)the 25-year peak flow."All proposed conveyance system elements will meet or exceed this requirement. See drainage plans in Appendix B. 5.2 Proposed Conveyance System Roof runoff from each of the four proposed buildings will be collected in downspout tightlines and directed to the on-site detention vault where the runoff will be detained,prior to being released into the public storm drainage system within Harrington Avenue NE. Runoff from the pollution generating parking lot will sheet flow into stormwater planters (with under drains)that will filter collected runoff through 18" of bioretention soil. The planter underdrains and overflows will be connected to the detention vault and routed to the public storm drainage system in Harrington Avenue NE following detention. In general,runoff from the non-building and non-parking areas will either infiltrate into the ground through the landscape area amended soils or will sheet flow into the stormwater planters. 1 Capacity for a 6"PVC pipe at 2.0%was calculated using FlowMaster®hydraulic modeling software. The full flow capacity(Appendix D)for a 6"PVC pipe at 2.0%is 1.11 cfs. The 25 year runoff rate from the developed site is 0.288 cfs, as determined using KCRTS modeling software(see Appendix C). No pipes less than 6"diameter or less than 2% slope are being proposed for the project; therefore,the proposed conveyance system will have sufficient capacity. II . RHA Sunset Court Apartments,MIGISvR#15030 Section 5 Technical Information Report Page 43 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 5 Technical Information Report Page 44 January 13,2016 6.0 SPECIAL REPORTS AND STUDIES t 6.1 Geotechnical A copy of the report titled,"Geotechnical Engineering Study—Proposed Housing Development" dated October 15,2015 by Geotech Consultants, Inc. are provided in Appendix A 4 i I RHA Sunset Court Apartments,MIGISvR#15030 Section 6 Technical Information Report Page 45 January 13,2016 PAGE LEFT INTENTIONALLY BLANK i ' I RHA Sunset Court Apartments,MIGISvR#15030 Section 6 Technical Information Report Page 46 January 13,2016 i 7.0 OTHER PERMITS 7.1 NPDES Permit A Construction Stormwater General Permit will be prepared by the Contractor at a later date. • I RHA Sunset Court Apartments,MIGISvR#15030 Section 7 Technical Information Report Page 47 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 7 Technical Information Report Page 48 January 13,2016 8.0 CSWPPP ANALYSIS AND DESIGN 8.1 ESC Plan An ESC plan will be prepared by the Contractor according to the Contractor's means and methods and construction sequencing. The ESC plan will be prepared in accordance with Section 2.3.1.1 of the City Amendments. The site is generally flat(-0-2-percent) and no special considerations for soil erosion have been outlined in the Geotechnical Report, so erosion potential is assumed to be low. Anticipated erosion control measures include the following: marking clearing limits and straw wattles. Anticipated sediment control measures include the following: a stabilized construction entrance, catch basin/inlet protection, interceptor swales, and a portable storage tank and stormwater treatment system. SWPPS Plan A SWPPS plan will be prepared by the Contractor according to the Contractor's means and methods. The SWPPS plan will be prepared in accordance with Section 2.3.1.1 of the City Amendment. RHA Sunset Court Apartments,MIGISvR#15030 Section 8 Technical Information Report Page 49 January 13,2016 I , PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 8 Technical Information Report Page 50 January 13,2016 9.0 BOND QUANTITIES,FACILITY SUMMARIES,&DECLARATION OF COVENANT 9.1 Bond Quantities Plan A Bond Quantity Worksheet will be provided with the permit submittal at a later date. r- 1 i_— d ' 7 it RHA Sunset Court Apartments,MIGISvR#15030 Section 9 Technical Information Report Page 51 January 13,2016 r -, PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Section 9 Technical Information Report Page 52 January 13,2016 10.0 MAINTENANCE AND OPERATIONS MANUAL 10.1 Maintenance Recommendations Operation and maintenance requirements for the proposed drainage elements and flow control BMPs have been provided for reference in Figure 12. I RHA Sunset Court Apartments,MIGlSvR#15030 Section 10 Technical Information Report Page 53 January 13,2016 r- I FIGURE 12 MAINTENANCE AND OPERATIONS MANUAL NO. 1 - DETENTION PONDS Maintenance Defect or Problem Conditions When Maintenance Is Needed Results Expected When Component Maintenance Is Performed General Trash&Debris Any trash and debris which exceed 1 cubic Trash and debris cleared from foot per 1,000 square feet(this is about site. equal to the amount of trash it would take to fill up one standard size office garbage can). In general,there should be no visual evidence of dumping. Poisonous Vegetation Any poisonous or nuisance vegetation which No danger of poisonous or Noxious Weeds may constitute a hazard to County personnel vegetation where County or the public. personnel or the public might normally be.Coordination with Seattle-King County Health Department Contaminants and Oil,gasoline,or other contaminants of one No contaminants present other Pollution gallon or more,or any amount found that than a surface film. could:1)cause damage to plant,animal,or (Coordination with Seattle/King marine life;2)constitute a fire hazard;or 3) County Health Department) be flushed downstream during rain storms. Unmowed If facility is located in private residential area, When mowing is needed, Grass/Ground Cover mowing is needed when grass exceeds 18 grass/ground cover should be inches in height. In other areas,the general mowed to 2 inches in height. policy is to make the pond site match Mowing of selected higher use adjacent ground cover and terrain as long as areas rather than the entire there is no interference with the function of slope may be acceptable for the facility. some situations. Rodent Holes Any evidence of rodent holes if facility is Rodents destroyed and dam or acting as a dam or berm,or any evidence of berm repaired. (Coordination water piping through dam or berm via rodent with Seattle/King County Health holes or other causes. Department) Insects When insects such as wasps and hornets Insects destroyed or removed interfere with maintenance activities. from site. Mosquito control: Mosquito complaints accompanied by Swallow nesting boxes or presence of high mosquito larvae approved larvicide applied. concentrations(aquatic phase). Tree Growth Tree growth threatens integrity of berms Trees do not hinder acting as dams,does not allow maintenance maintenance activities. access,or interferes with maintenance Harvested trees should be activity(i.e.,slope mowing,silt removal,recycled into mulch or other vactoring,or equipment movements). If beneficial uses(e.g.,alders for trees are a threat to berm integrity or not firewood). interfering with access,leave trees alone. RHA Sunset Court Apartments,MIGISvR#15030 Section 10 Technical Information Report Page 54 January 13,2016 FIGURE 12 MAINTENANCE AND OPERATIONS MANUAL NO. 1 -DETENTION PONDS CONTINUED) Maintenance Defect or Problem Conditions When Maintenance Is Needed Results Expected When Component Maintenance Is Performed Side Slopes of Pond Erosion Eroded damage over 2 inches deep where Slopes should be stabilized by cause of damage is still present or where using appropriate erosion there is potential for continued erosion.Any control measure(s);e.g.,rock erosion observed on a compacted berm reinforcement,planting of grass, embankment. compaction.If erosion is occurring on compacted berms a licensed civil engineer should be consulted to resolve source of erosion. Storage Area Sediment Accumulated sediment that exceeds 10%of Sediment cleaned out to the designed pond depth. designed pond shape and depth;pond reseeded if necessary to control erosion. Liner Damage (If Liner is visible and has more than three'A- Liner repaired or replaced. Applicable) inch holes in it. Pond Berms(Dikes) Settlement Any part of berm that has settled 4 inches Dike should be built back to the lower than the design elevation. Settling can design elevation. be an indication of more severe problems with the berm or outlet works. A licensed civil engineer should be consulted to determine the source of the settlement. Emergency Tree Growth Tree growth on emergency spillways create Trees should be removed. If Overflow/Spillway blockage problems and may cause failure of root system is small(base less and Berms over 4 the berm due to uncontrolled overtopping. than 4 inches)the root system feet in height. Tree growth on berms over 4 feet in height may be left in place. Otherwise may lead to piping through the berm which the roots should be removed could lead to failure of the berm. and the berm restored.A licensed civil engineer should be consulted for proper berm/spillway restoration. Emergency Rock Missing Only one layer of rock exists above native Replace rocks to design I Overflow/Spillway soil in area five square feet or larger,or any standards. exposure of native soil at the top of out flow path of spillway. Rip-rap on inside slopes need not be replaced. NO. 2-CONVEYANCE PIPES AND CULVERTS Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed Pipes Sediment&Debris Accumulated sediment that exceeds 20%of Pipe cleaned of all sediment the diameter of the pipe. and debris. Vegetation Vegetation that reduces free movement of All vegetation removed so water water through pipes. flows freely through pipes. Damaged Protective coating,is damaged;rust is Pipe repaired or replaced. causing more than 50%deterioration to any part of pipe. Any dent that decreases the cross section Pipe repaired or replaced. area of pipe by more than 20%. RHA Sunset Court Apartments,MIGISvR#15030 Section 10 Technical Information Report Page 55 January 13,2016 r- FIGURE 12 MAINTENANCE AND OPERATIONS MANUAL NO. 3-CATCH BASINS Maintenance Results Expected When Component Defect or Problem Conditions When Maintenance is Needed Maintenance is performed Metal Grates(If Unsafe Grate Opening Grate with opening wider than 7/8 inch. Grate opening meets design Applicable) standards. Trash and Debris Trash and debris that is blocking more than Grate free of trash and debris. 20%of grate surface. Damaged or Missing. Grate missing or broken member(s)of the Grate is in place and meets grate. design standards. Catch Basin Cover Cover Not in Place Cover is missing or only partially in place. Catch basin cover is closed Any open catch basin requires maintenance. Locking Mechanism Mechanism cannot be opened by on Mechanism opens with proper Not Working maintenance person with proper tools.Bolts tools. into frame have less than inch of thread. Cover Difficult to One maintenance person cannot remove lid Cover can be removed by one Remove after applying 80 lbs.of lift;intent is keep maintenance person cover from sealing off access to maintenance Ladder Ladder Rungs Unsafe Ladder is unsafe due to missing rungs, Ladder meets design standards misalignment,rust,cracks,or sharp edges. and allows maintenance person safe access. RHA Sunset Court Apartments,MIGISvR#15030 Section 10 Technical Information Report Page 56 January 13,2016 FIGURE 12,continued MAINTENANCE AND OPERATIONS MANUAL NO. 3—CATCH BASINS CONTINUED) Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is performed General Trash&Debris Trash or debris of more than cubic foot No Trash or debris located Includes Sediment) which is located immediately in front'of the immediately in front of catch catch basin opening or is blocking capacity basin opening. of the basin by more than 10%. Trash or debris(in the basin)that exceeds No trash or debris in the catch 1/3 the depth from the bottom of basin to basin. invert the lowest pipe into or out of the basin. Trash or debris in any inlet or outlet pipe Inlet and outlet pipes free of blocking more than 1/3 of its height. trash or debris. Dead animals or vegetation that could No dead animals or vegetation generate odors that could cause complaints present within the catch basin. or dangerous gases(e.g.,methane). Deposits of garbage exceeding 1 cubic foot No condition present which in volume. would attract or support the breeding of insects or rodents. Structure Damage to Corner of frame extends more than inch Frame is even with curb. Frame and/or Top past curb face into the street(If applicable). Slab Top slab has holes larger than 2 square Top slab is free of holes and inches or cracks wider than'A inch(intent is cracks. to make sure all material is running into basin). Frame not sitting flush on top slab,i.e., Frame is sitting flush on top separation of more than'/<inch of the frame slab. from the top slab. Cracks in Basin Cracks wider than inch and longer than 3 Basin replaced or repaired to Walls/Bottom feet,any evidence of soil particles entering design standards. catch basin through cracks,or maintenance person judges that structure is unsound. Cracks wider than IA inch and longer than 1 No cracks more than 1/4 inch foot at the joint of any inlet/outlet pipe or any wide at the joint of inlet/outlet evidence of soil particles entering catch pipe. basin through cracks. Settlement/ Basin has settled more than 1 inch or has Basin replaced or repaired to Misalignment rotated more than 2 inches out of alignment. design standards. Fire Hazard Presence of chemicals such as natural gas, No flammable chemicals oil and gasoline. present. Vegetation Vegetation growing across and blocking No vegetation blocking opening more than 10%of the basin opening. to basin. Vegetation growing in inlet/outlet pipe joints No vegetation or root growth that is more than 6 inches tall and less than present. 6 inches apart. Pollution Nonflammable chemicals of more than No pollution present other than cubic foot per three feet of basin length.surface film. i RHA Sunset Court Apartments,MIGISvR#15030 Section 10 Technical Information Report Page 57 January 13,2016 FIGURE 12, continued MAINTENANCE AND OPERATIONS MANUAL NO. 4— BIORETENTION FACILITIES Maintenance Defect or Problem Condition When Maintenance is Recommended Maintenance Component Needed to Correct Problem Swale Section Sediment Accumulation Sediment depth exceeds 2 inches Remove sediment deposits in in vegetation vegetation treatment area of the bioswale.When finished,swale should be level from side to side and drain freely toward outlet. There should be no areas of standing water once inflow has ceased. Standing Water When water stands in the swale between Any of the following may apply: storms and does not drain freely. remove sediment or trash blockages,improve grade from head to foot of swale,remove clogged check dams,add underdrains or convert to a wet biofiltration swale. Constant Baseflow When small quantities of water Add a low-flow pea-gravel drain continually flow through the swale,even the length of the swale or when it has been dry for weeks,and an bypass the baseflow around the eroded,muddy channel has formed in the swale. swale bottom. Poor Vegetation When grass is sparse or bare or eroded Determine why grass growth is Coverage patches occur in more than 10%of the poor and correct that condition. swale bottom. Re-plant with plugs of grass from the upper slope:plant in the swale bottom at 8-inch intervals,or re-seed into loosened,fertile soil. Defective Vegetation When the grass becomes excessively tall Mow vegetation or remove greater than 10 inches)or when nuisance vegetation so that flow nuisance weeds and other vegetation not impeded.Grass should be starts to take over. mowed to a height of 3 to 4 inches. Remove grass clippings. Excessive Shading Grass growth is poor because sunlight If possible,trim back over- does not reach swale. hanging limbs,remove brushy vegetation on adjacent slopes. Trash and Debris Trash and debris accumulated in the Remove trash and debris from Accumulation bioswale, bioswale. Erosion/Scouring Eroded or scoured swale bottom due to For ruts or bare areas less than flow channelization,or higher flows. 12 inches wide,repair the damaged area by filling with crushed gravel.The grass will creep in over the rock in time. If bare areas are large,generally greater than 12 inches wide,the swale should be re-graded and re-seeded.For smaller bare areas,overseed when bare spots are evident,or take plugs of grass from the upper slope and plant in the swale bottom at 8-inch intervals. Inlet/Outlet Sediment and Debris Inlet/outlet areas clogged with sediment Remove material so that there is and/or debris. no clogging or blockage in the inlet and outlet area. RHA Sunset Court Apartments,MIGISvR#15030 Section 10 Technical Information Report Page 58 January 13,2016 FIGURE 12, continued MAINTENANCE AND OPERATIONS MANUAL NO. 5—GROUNDS (LANDSCAPING) Maintenance Defect or Problem Conditions When Maintenance is Needed Results Expected When Component Maintenance is Performed General Weeds Weeds growing in more than 20%of the Weeds present in less than 5% Nonpoisonous,not landscaped area(trees and shrubs only). of the landscaped area. noxious) Safety Hazard Any presence of poison ivy or other No poisonous vegetation poisonous vegetation. present in landscaped area. Trash or Litter Paper,cans,or bottles,totaling more than 1 Area clear of litter. cubic foot within a landscaped area(trees and shrubs only)of 1,000 square feet. Trees and Shrubs Damaged Limbs or parts of trees or shrubs that are Trees and shrubs with less than split or broken which affect more than 25%of 5%of total foliage with split or the total foliage of the tree or shrub. broken limbs. Trees or shrubs that have been blown down Tree or shrub in place free of or knocked over. injury. Trees or shrubs which are not adequately Tree or shrub in place and supported or are leaning over,causing adequately supported;remove exposure of the roots. any dead or diseased trees. RHA Sunset Court Apartments,MIGISvR#15030 Section 10 Technical Information Report Page 59 January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGjSvR#15030 Section 10 Technical Information Report Page 60 January 13,2016 APPENDICES L 1 RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 APPENDIX A GEOTECHNICAL REPORT GEOTECHNICAL ENGINEERING STUDY"dated October 15,2015 by Geotech Consultants, Inc. is RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 GEOTECH 13256 Northeast 20th Street,Suite 16 5CONSULTANTS, INC. Bellevue, FAX 7n -98561425)747-5618 FAX(425)747-856I October 15, 2015 JN 15342 Renton Housing Authority 2900 Northeast 100th Street Renton,Washington 98056 Attention: Mark Gropper via email:mrg@rentonhousing.org Subject: Transmittal Letter—Geotechnical Engineering Study Proposed Housing Development 1144— 1158 Harrington Avenue Northeast Renton,Washington Dear Mr. Gropper: We arepleased topresent this geotechnical engineering report for the proposed housingdevelopment to be9 9 P P P P constructed in Renton, Washington. The scope of our services consisted of exploring site surface and subsurface conditions, and then developing this report to provide recommendations for general earthwork and design criteria for foundations, retaining walls, and stormwater infiltration. This work was authorized by your acceptance of our proposal dated August 11,2015. The attached report contains a discussion of the study and our recommendations. Please contact us if there are any questions regarding this report, or for further assistance during the design and construction phases of this project. Respectfully submitted, GEOTECH CONSULTANTS, INC. 54Zs..72 James H.Strange, P Associate TRC/JHS: at GEOTECH CONSULTANTS, INC. GEOTECHNICAL ENGINEERING STUDY Proposed Housing Development 1144—1158 Harrington Avenue Northeast Renton,Washington This report presents the findings and recommendations of our geotechnical engineering study for the site of the proposed housing development to be located in Renton. Development of the property is in the planning stage, and detailed plans were not made available to us. We understand that the development will consist of approximately 50 units. The lowest level of the structures will be close to the existing ground surface. Infiltration of stormwater has been proposed for the project. If the scope of the project changes from what we have described above, we should be provided with revised plans in order to determine if modifications to the recommendations and conclusions of this report are warranted. SITE CONDITIONS SURFACE The Vicinity Map, Plate 1, illustrates the general location of the irregularly-shaped site in Renton. The site is bordered to the west by Harrington Avenue Northeast, to the east by Harrington Place Northeast, to the south by a multi-story condominium building, and to the north by three multi-family buildings. The ground surface within the site slopes very slightly down toward the south. The western portion of the site is developed with two, one-story duplexes and a few detached sheds. The duplex yards are vegetated with grass lawns and a few landscaping bushes and trees. Most of the eastern side of the site is a public park, with a few children's play structures. The area around those structures is surrounded by shredded bark, and the remainder of the park is grass lawn. The northeast corner of the site is undeveloped, and vegetated with field grass and a few mature deciduous trees. A concrete retaining wall is located along the south edge of the site. This wall has a height of about 2 to 4 feet, and faces a cut for the adjacent southern parking area. SUBSURFACE The subsurface conditions were explored by excavating 10 test pits and three hand-augered test holes at the approximate locations shown on the Site Exploration Plan, Plate 2. Our exploration program was based on the proposed construction, anticipated subsurface conditions and those encountered during exploration, and the scope of work outlined in our proposal. The test pits were excavated on August 25, 2015 with a rubber-tired backhoe. A geotechnical engineer from our staff observed the excavation process, logged the test pits, and obtained representative samples of the soil encountered. "Grab" samples of selected subsurface soil were collected from the backhoe bucket. The Test Pit Logs are attached to this report as Plates 3 through 7. The test holes were excavated on September 14, 2015 using hand tools. A geotechnical engineer from our staff conducted and logged the test holes. The Test Hole Logs are attached to this report as Plates 8 and 9. ii GEOTECH CONSULTANTS, INC. Renton Housing Authority JN 15342 October 15,2015 Page 2 Soil Conditions The test pits and test holes generally encountered about one foot of topsoil at the ground surface. Test Pit 10, located near the southwest corner of the site, revealed 1.5 feet of fill overlying topsoil. Test Hole 3, close to the play strictures in the southeast corner of the site, encountered shredded bark, geotextile, and gravel that extended to a depth of about 1.3 feet; no topsoil was exposed by that exploration. Test Pit 6 was located between the park and Harrington Place Northeast, and revealed a few inches of gravel but no topsoil. Below the topsoil and the surface material described above, the explorations encountered sand with gravel that was loose to medium;dense. This sand extended to depths of 2 to 6 feet, and was medium-dense within about 3 feet of the ground surface. The sand with gravel extended to the greatest depths in the northeast third of the site. The sand with gravel was underlain by medium- dense to dense silty sand with gravel in the explorations, with the exception of those in which we completed infiltration testing, as described below. The silty sand with gravel has been glacially- overridden, has very low permeability, and is referred to as glacial till. Groundwater Conditions No groundwater seepage was observed in the test pits or test holes. It should be noted that groundwater levels vary seasonally with rainfall and other factors. We anticipate that perched groundwater could be found above the silty sands encountered in our explorations, especially during the normally wet winter and spring months. The stratification lines on the logs represent the approximate boundaries between soil types at the exploration locations. The actual transition between soil types may be gradual, and subsurface conditions can vary between exploration locations. The logs provide specific subsurface information only at.the locations tested. The relative densities and moisture descriptions indicated on the test pit logs are interpretive descriptions based on the conditions observed during excavation. The compaction of test pit backfill was not in the scope of our services. Loose soil will therefore be found in the area of the test pits. If this presents a problem, the backfill will need to be removed and replaced with structural fill during construction. INFILTRATION TESTING We conducted EPA falling head infiltration testing at Test Pit 5 at a depth of 2.5 feet and in Test Hole 1 at a depth of 3 feet. As required by the City of Renton,the infiltration testing was completed in general accordance with the procedure outlined in the 2009 Surface Water Design Manual. The final measured infiltration rate at Test Pit 5 was 96 inches per hour, and the measured rate at Test Hole 1 was 60 inches per hour. Impermeable silty sand/glacial till soil was encountered in our test holes at the following depths: Test Pit 1 . . . 2 3. 4 5*. 6 7 8 9 10 Depth ', : 2 3 5.5 6 2.5+ ' 6 5 3.5 3.5 4 Test Hole 1* 2 : 3 `, Depth • 3+ 3.8 2.5 Test Pit 5 and Test Hole 1 were infiltration holes and were not excavated to the glacial till. LABORATORY TESTING We obtained a sample from a depth of 2 feet in Test Pit 2 and provided that sample to an analytical laboratory. That facility determined that the Cation Exchange Capacity of the sample was 3.81 and the Total Organic Carbon was 0.528%. GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 3 CONCLUSIONS AND RECOMMENDATIONS GENERAL THIS SECTION CONTAINS A SUMMARY OF OUR STUDY AND FINDINGS FOR THE PURPOSES OF A GENERAL OVERVIEW ONLY. MORE SPECIFIC RECOMMENDATIONS AND CONCLUSIONS ARE CONTAINED IN THE REMAINDER OF THIS REPORT. ANY PARTY RELYING ON THIS REPORT SHOULD READ THE ENTIRE DOCUMENT. The test pits conducted for this study encountered native, medium-dense soil within a few feet of the ground surface. Conventional footings bearing directly on that material will be appropriate for the structure foundations. The sand and gravel soils present below the surficial topsoil has high permeability, as our infiltration testing demonstrates, and stormwater infiltration in that material is feasible. However, the underlying dense glacial till soil has very low permeability and water will accumulate above it and develop a perched water condition. We expect that most surface water at the site in its current condition infiltrates through the topsoil and sandy soil, and is then essentially prevented from continuing to flow any deeper by glacial till. A proper, designed infiltration system will need to be extremely shallow to duplicate the current condition. As the 2009 Surface Water Design Manual requires, any infiltration system should introduce water at least 3 feet above the surface of the low-permeability silty sand/glacial till. Shallow permeable pavement could work in certain areas and depths at the site, but we recommend that any infiltration systems for concentrated flow (roof runoff) or excavated infiltration systems (drywells/trenches)be avoided as the clearance to the glacial till is not available in most areas of the site. Additionally, no infiltration system should be located within 75 feet of the retaining wall at the south edge of the property. In our opinion, a design infiltration rate of 2 inches per hour can be can be used for the permeable pavement infiltration. The erosion control measures needed during the site development will depend heavily on the weather conditions that are encountered. We anticipate that a silt fence will be needed around the downslope sides of any cleared areas. Existing pavements, ground cover, and landscaping should be left in place wherever possible to minimize the amount of exposed soil. Rocked staging areas and construction access roads should be provided to reduce the amount of soil or mud carried off the property by trucks and equipment. Wherever possible, the access roads should follow the alignment of planned pavements. Trucks should not be allowed to drive off of the rock-covered areas. Cut slopes and soil stockpiles should be covered with plastic during wet weather. Following clearing or rough grading, it may be necessary to mulch or hydroseed bare areas that will not be immediately covered with landscaping or an impervious surface. On most construction projects, it is necessary to periodically maintain or modify temporary erosion control measures to address specific site and weather conditions. The drainage and/or waterproofing recommendations presented in this report are intended only to prevent active seepage from flowing through concrete walls or slabs. Even in the absence of active seepage into and beneath structures, water vapor can migrate through walls, slabs, and floors from the surrounding soil, and can even be transmitted from slabs and foundation walls due to the concrete curing process. Water vapor also results from occupant uses, such as cooking and bathing. Excessive water vapor trapped within structures can result in a variety of undesirable conditions, including, but not limited to, moisture problems with flooring systems, excessively moist air within occupied areas, and the growth of molds, fungi, and other biological organisms that may be harmful to the health of the occupants. The designer or architect must consider the potential vapor sources and likely occupant uses, and provide sufficient ventilation, either passive or mechanical,to prevent a build up of excessive water vapor within the planned structure. Geotech Consultants, Inc. should be allowed to review the final development plans to verify that the recommendations presented in this report are adequately addressed in the design. Such a plan review would be additional work beyond the current scope of work for this study, and it may include revisions to our recommendations to accommodate site, development, and geotechnical constraints that become more evident during the review process. GEOTECH CONSULTANTS, INC. Renton Housing Authority JN 15342 October 15,2015 Page 4 We recommend including this report, in its entirety, in the project contract documents. This report should also be provided to any future property owners so they will be aware of our findings and recommendations. SEISMIC CONSIDERATIONS In accordance with the International Building Code (IBC), the site soil profile within 100 feet of the ground surface is best represented by Site Class Type D (Stiff Site Class). As noted in the USGS website, the mapped spectral acceleration value for a 0.2 second (Ss) and 1.0 second period (Si)equals 1.43g and 0.54g, respectively. The IBC states that a site-specific seismic study need not be performed provided that the peak ground acceleration be equal to Sos/2.5, where Sos is determined in ASCE 7. It is noted that SOS is equal to 2/3Sms. SMs equals Fa times Ss,where Fa is determined in Table 11.4-1. For our site, Fa = 1.0. The calculated peak ground acceleration that we utilized for the seismic-related parameters (earth pressures and seismic surcharges)of this report equals 0.38g. The site soils are not susceptible to seismic liquefaction because of their medium-dense to dense nature and the absence of near-surface groundwater. CONVENTIONAL FOUNDATIONS The proposed structure can be supported on conventional continuous and spread footings bearing on undisturbed, medium-dense, native soil. We recommend that continuous and individual spread footings have minimum widths of 12 and 16 inches,. respectively. Exterior footings should also be bottomed at least 18 inches below the lowest adjacent finish ground surface for protection against frost and erosion. The local building codes should be reviewed to determine if different footing widths or embedment depths are required. Footing subgrades must be cleaned of loose or disturbed soil prior to pouring concrete. Depending upon site and equipment constraints,this may require removing the disturbed soil by hand. An allowable bearing pressure of 2,500 pounds per square foot (psf) is appropriate for footings supported on competent native soil. A one-third increase in this design bearing pressure may be used when considering short-term wind or seismic loads. For the above design criteria, it is anticipated that the total post-construction settlement of footings founded on competent native soil will be about one-inch, with differential settlements on the order of one-half-inch in a distance of 30 feet along a continuous footing with a uniform load. Lateral loads due to wind or seismic forces may be resisted by friction between the foundation and the bearing soil, or by passive earth pressure acting on the vertical, embedded portions of the foundation. For the latter condition, the foundation must be either poured directly against relatively level, undisturbed soil or be surrounded by level, well-compacted fill. We recommend using the following ultimate values for the foundation's resistance to lateral loading: PARAMETERULTIMATE VALUE Coefficient of Friction 0.45 Passive Earth Pressure 350 pcf Where: pcf is Pounds per Cubic Foot, and Passive Earth Pressure is computed using the equivalent fluid density. If the ground in front of a foundation is loose or sloping, the passive earth pressure given above will not be appropriate. We recommend maintaining a safety factor of at least 1.5 for the foundation's resistance to lateral loading,when using the above ultimate values. GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 5 FOUNDATION AND RETAINING WALLS Retaining walls backfilled on only one side should be designed to resist the lateral earth pressures imposed by the soil they retain. The following recommended parameters are for walls that restrain level backfill: PARAMETER VALUE Active Earth Pressure*35 pcf Passive Earth Pressure 350 pcf Coefficient of Friction 0.45 Soil Unit Weight 130 pcf Where: pcf is Pounds per Cubic Foot, and Active and Passive Earth Pressures are computed using the equivalent fluid pressures. For a restrained wall that cannot deflect at least 0.002 times its height,a uniform lateral pressure equal to 10 psf times the height of the wall should be added to the above active equivalent fluid pressure. The design values given above do not include the effects of any hydrostatic pressures behind the walls and assume that no surcharges, such as those caused by slopes,vehicles, or adjacent foundations will be exerted on the walls. If these conditions exist, those pressures should be added to the above lateral soil pressures. Where sloping backfill is desired behind the walls,we will need to be given the wall dimensions and the slope of the backfill in order to provide the appropriate design earth pressures. The surcharge due to traffic loads behind a wall can typically be accounted for by adding a uniform pressure equal to 2 feet multiplied by the above active fluid density. Heavy construction equipment should not be operated behind retaining and foundation walls within a distance equal to the height of a wall, unless the walls are designed for the additional lateral pressures resulting from the equipment. The values given above are to be used to design only permanent foundation and retaining walls that are to be backfilled, such as conventional walls constructed of reinforced concrete or masonry. It is not appropriate to use the above earth pressures and soil unit weight to back-calculate soil strength parameters for design of other types of retaining walls, such as soldier pile, reinforced earth, modular or soil nail walls. We can assist with design of these types of walls, if desired. The passive pressure given is appropriate only for a shear key poured directly against undisturbed native soil, or for the depth of level,well-compacted fill placed in front of a retaining or foundation wall. The values for friction and passive resistance are ultimate values and do not include a safety factor. Restrained wall soil parameters should be utilized for a distance of 1.5 times the wall height from corners or bends in the walls. This is intended to reduce the amount of cracking that can occur where a wall is restrained by a corner. Wall Pressures Due to Seismic Forces The surcharge wall loads that could be imposed by the design earthquake can be modeled by adding a uniform lateral pressure to the above-recommended active pressure. The recommended surcharge pressure is 8H pounds per square foot(psf), where H is the design retention height of the wall. Using this increased pressure, the safety factor against sliding and overturning can be reduced to 1.2 for the seismic analysis. Retaining Wall Backfill and Waterproofing Backfill placed behind retaining or foundation walls should be coarse, free-draining structural fill containing no organics. This backfill should contain no more than 5 percent silt or clay particles and GEOTECH CONSULTANTS, INC. Renton Housing Authority JN 15342 October 15,2015 Page 6 have no gravel greater than 4 inches in diameter. The percentage of particles passing the No.4 sieve should be between 25 and 70 percent. If the native sand or silty sand is used as backfill, a drainage composite similar to Miradrain 6000 should be placed against the backfilled retaining walls. The drainage composites should be hydraulically connected to the foundation drain system. Free-draining backfill or gravel should be used for the entire width of the backfill where seepage is encountered.)) For increased protection, drainage.composites should be placed along cut slope faces, and the walls should be backfilled entirely with free-draining soil. The later section entitled Drainage Considerations should also be reviewed for recommendations related to subsurface drainage behind foundation and retaining walls. The purpose of these backfill requirements is to ensure that the design criteria for a retaining wall are not exceeded because of a build-up of hydrostatic pressure behind the wall. Also, subsurface drainage systems are not intended to handle large volumes of water from surface runoff. The top 12 to 18 inches of the backfill should consist of a compacted, relatively impermeable soil or topsoil, or the surface should be paved. The ground surface must also slope away from backfilled walls to reduce the potential for surface water to percolate into the backfill. Water percolating through pervious surfaces (pavers, gravel, permeable pavement, etc.) must also be prevented from flowing toward walls or into the backfill zone. The compacted subgrade below pervious surfaces and any associated drainage layer should therefore be sloped away. Alternatively, a membrane and subsurface collection system could be provided below a pervious surface. It is critical that the wall backfill be placed in lifts and be properly compacted, in order for the above- recommended design earth pressures to be appropriate. The wall design criteria assume that the backfill will be well-compacted in lifts no thicker than 12 inches. The compaction of backfill near the walls should be accomplished with hand-operated equipment to prevent the walls from being overloaded by the higher soil forces that occur during compaction. The section entitled General Earthwork and Structural Fill contains additional recommendations regarding the placement and compaction of structural fill behind retaining and foundation walls. The above recommendations are not intended to waterproof below-grade walls, or to prevent the formation of mold, mildew or fungi in interior spaces. Over time, the performance of subsurface drainage systems can degrade, subsurface groundwater flow patterns can change, and utilities can break or develop leaks. Therefore, waterproofing should be provided where future seepage through the walls is not acceptable. This typically includes limiting cold-joints and wall penetrations, and using bentonite panels or membranes on the outside of the walls. There are a variety of different waterproofing materials and systems, which should be installed by an experienced contractor familiar with the anticipated construction and subsurface conditions. Applying a thin coat of asphalt emulsion to the outside face of a wall is not considered waterproofing, and will only help to reduce moisture generated from water vapor or capillary action from seeping through the concrete. As with any project, adequate ventilation of basement and crawl space areas is important to prevent a build up of water vapor that is commonly transmitted through concrete walls from the surrounding soil, even when seepage is not present. This is appropriate even when waterproofing is applied to the outside of foundation and retaining walls. We recommend that you contact an experienced envelope consultant if detailed recommendations or specifications related to waterproofing design, or minimizing the potential for infestations of mold and mildew are desired. The General, Slabs-On-Grade, and Drainage Considerations sections should be reviewed for additional recommendations related to the control of groundwater and excess water vapor for the anticipated construction. SLABS-ON-GRADE The building floors can be constructed as slabs-on-grade atop competent native soil, or on structural fill. The subgrade soil must be in a firm, non-yielding condition at the time of slab construction or underslab fill placement. Any soft areas encountered should be excavated and replaced with select, imported structural fill. GEOTECH CONSULTANTS, INC. Renton Housing Authority JN 15342 October 15, 2015 Page 7 Even where the exposed soils appear dry,water vapor will tend to naturally migrate upward through the soil to the new constructed space above it. This can affect moisture-sensitive flooring, cause imperfections or damage to the slab, or simply allow excessive water vapor into the space above the slab. All interior slabs-on- grade should be underlain by a capillary break drainage layer consisting of a minimum 4-inch thickness of clean gravel or crushed rock that has a fines content (percent passing the No. 200 sieve) of less than 3 percent and a sand content (percent passing the No. 4 sieve) of no more than 10 percent. Pea gravel or crushed'.rock are typically used for this layer. As noted by the American Concrete Institute (ACI) in the Guides for Concrete Floor and Slab Structures, proper moisture protection is desirable immediately below any on-grade slab that will be covered by tile,wood, carpet, impermeable floor coverings, or any moisture-sensitive equipment or products. ACI also notes that vapor retarders such as 6-mil plastic sheeting have been used in the past, but are now recommending a minimum 10-mil thickness for better durability and long term performance. A vapor retarder is defined as a material with a permeance of less than 0.3 perms, as determined by ASTM E 96. It is possible that concrete admixtures may meet this specification, although the manufacturers of the admixtures should be consulted. Where vapor retarders are used under slabs, their edges should overlap by at least 6 inches and be sealed with adhesive tape. The sheeting should extend to the foundation walls for maximum vapor protection. If no potential for vapor passage through the slab is desired, a vapor barrier should be used. A vapor barrier, as defined by ACI, is a product with a water transmission rate of 0.01 perms when tested in accordance with ASTM E 96. Reinforced membranes having sealed overlaps can meet this requirement. The General, Permanent Foundation and Retaining Walls, and Drainage Considerations sections should be reviewed for additional recommendations related to the control of groundwater and excess water vapor for the anticipated construction. EXCAVATIONS AND SLOPES Excavation slopes should not exceed the limits specified in local, state, and national government safety regulations. Temporary cuts to a depth of about 4 feet may be attempted vertically in unsaturated soil, if there are no indications of slope instability. However, vertical cuts should not be made near property boundaries, or existing utilities and structures. Based upon Washington Administrative Code (WAC) 296, Part N, the soil at the subject site would generally be classified as Type B. Therefore, temporary cut slopes greater than 4 feet in height should not be excavated at an inclination steeper than 1:1 (Horizontal:Vertical), extending continuously between the top and the bottom of a cut. The above-recommended temporary slope inclination is based on the conditions exposed in our explorations, and on what has been successful at other sites with similar soil conditions. It is possible that variations in soil and groundwater conditions will require modifications to the inclination at which temporary slopes can stand. Temporary cuts are those that will remain unsupported for a relatively short duration to allow for the construction of foundations, retaining walls, or utilities. Temporary cut slopes should be protected with plastic sheeting during wet weather. It is also important that surface runoff be directed away from the top of temporary slope cuts. Cut slopes should also be backfilled or retained as soon as possible to reduce the potential for instability. Please note that sand or loose soil can cave suddenly and without warning. Excavation, foundation, and utility contractors should be made especially aware of this potential danger. These recommendations may need to be modified if the area near the potential cuts has been disturbed in the past by utility installation,or if settlement-sensitive utilities are located nearby. All permanent cuts into native soil should be inclined no steeper than 2:1 (H:V). Water should not be allowed to flow uncontrolled over the top of any temporary or permanent slope. All permanently exposed slopes should be seeded with an appropriate species of vegetation to reduce erosion and improve the stability of the surficial layer of soil. GEOTECH CONSULTANTS, INC. Renton Housing Authority JN 15342 October 15,2015 Page 8 DRAINAGE CONSIDERATIONS Footing drains should be used where: (1) crawl spaces or basements will be below a structure; (2) a slab is below the outside grade; or, (3) the outside grade does not slope downward from a building. Drains should also be placed at the base of all earth-retaining walls. These drains should be surrounded by at least 6 inches of 1-inch-minus, washed rock that is encircled with non-woven, geotextile filter fabric (Mirafi 140N, Supac 4NP, or similar material). At its highest point, a perforated pipe invert should be at least.6 inches below the bottom of a slab floor or the level of a crawl space. The discharge pipe for subsurface drains should be sloped for flow to the outlet point. Roof and surface water drains must not discharge into the foundation drain system. A typical drain detail is attached to this report as Plate 10. For the best long-term performance, perforated PVC pipe is recommended for all subsurface drains. As a minimum, a vapor retarder, as defined in the Slabs-On-Grade section, should be provided in any crawl space area to limit the transmission of water vapor from the underlying soils. Crawl space grades are sometimes left near the elevation of the bottom of the footings. As a result, an outlet drain is recommended for all crawl spaces to prevent an accumulation of any water that may bypass the footing drains. Providing even a few inches of free draining gravel underneath the vapor retarder limits the potential for seepage to build up on top of the vapor retarder. No groundwater was observed during our field work. If seepage is encountered in an excavation, it should be drained from the site by directing it through drainage ditches, perforated pipe, or French drains,or by pumping it from sumps interconnected by shallow connector trenches at the bottom of the excavation. The excavation and site should be graded so that surface water is directed off the site and away from the tops of slopes. Water should not be allowed to stand in any area where foundations,slabs, or pavements are to be constructed. Final site grading in areas adjacent to buildings should slope away at least 2 percent, except where the area is paved. Surface drains should be provided where necessary to prevent ponding of water behind foundation or retaining walls. A discussion of grading and drainage related to pervious surfaces near walls and structures is contained in the Foundation and Retaining Walls section PAVEMENT AREAS The pavement section may be supported on competent, native soil or on structural fill compacted to a 95 percent density. The pavement subgrade must be in a stable, non-yielding condition at the time of paving. Granular structural fill or geotextile fabric may be needed to stabilize soft,wet, or unstable areas. To evaluate pavement subgrade strength, we recommend that a proof roll be completed with a loaded dump truck immediately before paving. In most instances where unstable subgrade conditions are encountered, an additional 12 inches of granular structural fill will stabilize the subgrade, except for very soft areas where additional fill could be required. The subgrade should be evaluated by Geotech Consultants, Inc.,after the site is stripped and cut to grade. Recommendations for the compaction of structural fill beneath pavements are given in the section entitled General Earthwork and Structural Fill. The performance of site pavements is directly related to the strength and stability of the underlying subgrade. The pavement for lightly loaded traffic and parking areas should consist of 2 inches of asphalt concrete (AC) over 4 inches of crushed rock base (CRB) or 3 inches of asphalt-treated base (ATB). We recommend providing heavily loaded areas with 3 inches of AC over 6 inches of CRB or 4 inches of ATB. Heavily loaded areas are typically main driveways, dumpster sites, or areas with truck traffic. Increased maintenance and more frequent repairs should be expected if thinner pavement sections are used. Water from planter areas and other sources should not be allowed to infiltrate into the pavement subgrade. The pavement section recommendations and guidelines presented in this report are based on our experience in the area and on what has been successful in similar situations. ((We can provide recommendations based on expected traffic loads and California Bearing Ratio (CBR) tests, if requested.)) As with any pavements, some maintenance and repair of limited areas can be expected as the pavement ages. Cracks in the pavement should be sealed as soon as possible after they become evident, in order to reduce the potential for GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 9 degradation of the subgrade from infiltration of surface water. For the same reason, it is also prudent to seal the surface of the pavement after it has been in use for several years. To provide for a design without the need for any maintenance or repair would be uneconomical. GENERAL EARTHWORK AND STRUCTURAL FILL All building and pavement areas should be stripped of surface vegetation, topsoil, organic soil, and other deleterious material. It is important that existing foundations be removed before site development. The stripped or removed materials should not be mixed with any materials to be used as structural fill, but they could be used in non-structural areas, such as landscape beds. Structural fill is defined as any fill, including utility backfill, placed under, or close to, a building, behind permanent retaining or foundation walls, or in other areas where the underlying soil needs to support loads. All structural fill should be placed in horizontal lifts with a moisture content at, or near, the optimum moisture content. The optimum moisture content is that moisture content that results in the greatest compacted dry density. The moisture content of fill is very important and must be closely controlled during the filling and compaction process. The allowable thickness of the fill lift will depend on the material type selected, the compaction equipment used, and the number of passes made to compact the lift. The loose lift thickness should not exceed 12 inches. We recommend testing the fill as it is placed. If the fill is not sufficiently compacted, it can be recompacted before another lift is placed. This eliminates the need to remove the fill to achieve the required compaction. The following table presents recommended relative compactions for structural fill: LOCATION OF FILL MINIMUM RELATIVE PLACEMENT COMPACTION Beneath slabs or 95% walkwa s Filled slopes and behind 90% retainin• walls 95%for upper 12 inches of Beneath pavements subgrade; 90% below that level Where:Minimum Relative Compaction is the ratio,expressed in percentages, of the compacted dry density to the maximum dry density, as determined in accordance with ASTM Test Designation D 1557-91(Modified Proctor). Structural fill that will be placed in wet weather should consist of a coarse, granular soil with a silt or clay content of no more than 5 percent. The percentage of particles passing the No. 200 sieve should be measured from that portion of soil passing the three-quarter-inch sieve. LIMITATIONS The conclusions and recommendations contained in this report are based on site conditions as they existed at the time of our exploration and assume that the soil and groundwater conditions encountered in the test pits are representative of subsurface conditions on the site. If the subsurface conditions encountered during construction are significantly different from those observed in our explorations, we should be advised at once so that we can review these conditions and reconsider our recommendations where necessary. Unanticipated conditions are commonly encountered on construction sites and cannot be fully anticipated by merely taking samples in test GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15,2015 Page 10 pits. Subsurface conditions can also vary between exploration locations. Such unexpected conditions frequently require making additional expenditures to attain a properly constructed project. It is recommended that the owner consider providing a contingency fund to accommodate such potential extra costs and risks. This is a standard recommendation for all projects. This report has been prepared for the exclusive use of Renton Housing Authority and its representatives for specific application to this project and site. Our conclusions and recommendations are professional opinions derived in accordance with our understanding, of current local standards of practice, and within the scope of our services. No warranty is expressed or implied. The scope of our services does not include services related to construction safety precautions, and our recommendations are not intended to direct the contractor's methods, techniques, sequences, or procedures, except as specifically described in our report for consideration in design. Our services also do not include assessing or minimizing the potential for biological hazards, such as mold, bacteria, mildew and fungi in either the existing or proposed site development. ADDITIONAL SERVICES Geotech Consultants, Inc. should be retained to provide geotechnical consultation, testing, and observation services during construction. This is to confirm that subsurface conditions are consistent with those indicated by our exploration, to evaluate whether earthwork and foundation construction activities comply with the general intent of the recommendations presented in this report, and to provide suggestions for design changes in the event subsurface conditions differ from those anticipated prior to the start of construction. However, our work would not include the supervision or direction of the actual work of the contractor and its employees or agents. Also, job and site safety, and dimensional measurements, will be the responsibility of the contractor. During the construction phase, we will provide geotechnical observation and testing services when requested by you or your representatives. Please be aware that we can only document site work we actually observe. It is still the responsibility of your contractor or on-site construction team to verify that our recommendations are being followed, whether we are present at the site or not. The scope of our work did not include an environmental assessment, but we can provide this service, if requested. The following plates are attached to complete this report: Plate 1 Vicinity Map Plate 2 Site Exploration Plan Plates 3-7 Test Pit Logs Plates 8 - 9 Test Hole Logs Plate 10 Typical Footing Drain Detail GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 11 We appreciate the opportunity to be of service on this project. Please contact us if you have any questions, or if we can be of further assistance. Respectfully submitted, GEOTECH •TANTS, INC. STw S.T. M;. flv . 4s • Ir is . O 36094 4,4 4sGis r IONALE James H. Strange, Jr., P.E. Associate TRC/JHS:at I II I_- GEOTECH CONSULTANTS, INC. NORTH 11 J y P-i G;.tw it,- Iay., 'f9.>> ',Asn,`,'-3a;'w r' „56` s„ T'' n. •• 7 Pi ' of t' 09-1..‘ ....„,,,- ,. ... , .. ... - is- 1,,.. -, 2(1,44 - it i rti y P: y4 SITE :° 7. m 4 Y\ ws V ta \ IA. ..-1,,••• .-'' b qy e, • i, 6 . • twat J I e a 3 x=N. f1r 91w- 6kEw9t J. ,,..- N 6 B . rawa., 17 *' kII_- sirs", eipisr-i B t 7, ry 3\ ici` J0t r mao 6 " k g...A• .y tt s` Par 'H G."RN Pa7#71 cri a Source:Microsoft MapPoint,2013) VICINITY MAP 1 GEOTECH 1144 - 1158 Harrington Avenue NE CONSULTANTS,INC. Renton, Washington Job No:Date: Plate: 15342 Oct.2015 1 GEOTECH CONSULTANTS, INC. NORTH , 1,.._t‘11,40fA1- 40 w i 17.47.8M-4=1-. IND TP-1 al TP-7 1 010 i i TP-4 i r2 i TP-9 0 i TP-5 TP-3 LLJ 2 egg f i 12 2 1 LLI m"4 1 v i r PCV C) I htx i-- I r2 be'SITE TP2 vi..... t* 2 14,N. /CC cfc IA ' av,gri TH-2 AP 414;: 1/4417Freiti_A' k421#4 TH-1 1 1r A;ttMtikit--1,7 tx.,Pi lk, o• 0 TPOie444. g 1 i t,cim,,.,k.....;dt,%..a4„-CAP T"''I..-c,„, ?. .... Pp -' 0 TP-10 i TH-3 fl4COMMERCIA2*. ILIMIlk a: -iiiito— L--- st-- 41,,,,,.„..-,y47::, 1 ii tw-7. *-4- .4e;:-•V gt*:-.=f-,i'l4r*.4-':,' ''' .4 ::--Y6A-44/413•1.44e Legend: a Test Pit Location 0 Test Hole Location i SITE EXPLORATION PLAN I GEOTECH 1144 - 1158 Harrington Avenue NE CONSULTANTS,INC. Renton, Washington Job No:Date: Plate: 15342 Oct.2015 No Scale 2 GEOTECH CONSULTANTS, INC. y t yet TEST PIT 1 eQ 4o'e a N\ e G5 o Go a J`'Description Grass over topsoil SW c Brown SAND,fine to coarse-grained, moist, loose Brown slightly silty SAND with gravel,fine to coarse-grained, moist, medium-denseSM becomes dense 5 — Test Pit terminated at 5 feet on August 25,2015. No groundwater seepage was observed during excavation. j No caving observed during excavation. 10— TEST PIT 2 e o\Ao atiAe G5peQ Go .ce J`'Description Grass over topsoil Sw Brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense SM IGray-brown slightly silty SAND with gravel,fine to coarse-grained, moist, medium-dese becomes dense 5 — hl Test Pit terminated at 5.5 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST PIT LOGtitGEOTECH1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC Renton, Washington Job Job Date: Logged by: Plate: 15342 Oct.2015 TRC 3 GEOTECH CONSULTANTS,INC. yet TEST PIT 3 0,Y 4\o- o e aaa\e 5G5pGJ Description Grass over topsoil 1:1a: Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense O ooc c$q 8° I 4°ao ` c reduced gravel content, becomes graygoboo° 5 — oo°°oop°c SM Gray-brown silty SAND with gravel,fine to coarse-grained, moist, medium-dense becomes dense Test Pit terminated at 7.5 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— 8) .5ti`ti` 0 TEST PIT 4 eQ r 4o oc o yea GS p G 'Se' J5 Description Grass over topsoil 4g°a oov Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense o SW t, g` -reduced gravel content, becomes gray 5 — i°o°a°o`oc t Gray-brown silty SAND with gravel,fine to coarse-grained, moist, medium-dense SM 1111 -becomes dense Test Pit terminated at 8 feet on August 25, 2015. No groundwater seepage was observed during excavation. 10— No caving observed during excavation. TEST PIT LOG 44 GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Logged by: Plate: 15342 Oct.2015 TRC 4 GEOTECH CONSULTANTS, INC. ro.c0 e c TEST PIT 5 Q,s' A0 0 0°'e CGSpGJ Description Grass over topsoil sw Gray-brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense Test Pit terminated at 2.5 feet on August 25,2015. No groundwater seepage was observed during excavation. 5 — No caving observed during excavation. 10 TEST PIT 6 p G Description Gravel over: c Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense o$$'°B: -reduced gravel content, becomes gray 0; oc— o,008 5 —o a l 474f4 SM Rust-brown mottled gray-brown silty SAND with gravel,fine to coarse-grained, moist, medium-dense ii1 ti Test Pit terminated at 7.8 feet on August 25, 2015. No groundwater seepage was observed during excavation. 10— No caving observed during excavation. TEST PIT LOG.AtGEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, gWashin ton Job Date: Logged bg9 Y Plate: 15342 Oct.2015 TRC . 5 GEOTECH CONSULTANTS, INC. ti e` t TEST PIT 7 eQ rf , 1/4e t' e 46,zo\e GS p G a J5 Description Grass over topsoil Brown SAND with gravel, fine to coarse-grained, moist, loose to medium-densef.:12:oor o$: *`becomes medium-dense o or o oA• oal°5 — r v Gray-brown slihtly sil SAND with ravel,fine to coarse- rained, moist, SM • liiim-d g ty g g mMr dpnspto PnsP Test Pit terminated at 6 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10a-- te o, TEST PIT 8 r` o y e aye\e GSpeQ Go 3 c' JS Description Grass over topsoil sw Gray-brown withgravel,finemedium-densetocoarse-grained, moist,SAND og0000 Gray-brown slightly silty SAND with gravel,fine to coarse-grained, moist,dense 5 — Test Pit terminated at 4 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST PIT LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Logged by: Plate: 615342Oct.2015 TRC htU I tl:Fi I:UNJUL I AN I b, e TEST PIT 9sot e I oo'`° a o\ g p G a J5 Description Grass over topsoil fa.:s1 Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense DDc A000` 8° I t Siff t Gray-brown slightly silty SAND with gravel,fine to coarse-grained, moist,dense 5 — Test Pit terminated at 4 feet on August 25,2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— 1 .5tiot `°et TEST PIT 10 r o• e a \e G`' pex vGo Kan J5 Description FILL Grass over brown silty SAND with gravel,fine to coarse-grained, moist, loose(FILL) Topsoil Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense u Gray-brown slightly silty SAND with gravel,fine to coarse-grained, moist,dense 5 Test Pit terminated at 4.5 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST PIT LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Logged by: Plate: 15342 Oct.2015 TRC 7 GEOTECH CONSULTANTS, INC. t0 l TEST HOLE 1 oQ' t' oo o a a\e G5 0 G Ka ,s Description Grass over topsoil SW o Brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense becomes medium-dense and gray-brown Test Hole terminated at 3 feet on September 14, 2015. No groundwater seepage was observed during excavation. 5 — No caving observed during excavation. 10— TEST HOLE 2 ti t till et L' ' o" 5, eo a` v o 0SQeQ Go K ,s Description Grass over topsoil SW Brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense so° 8` oQoe la -becomes medium-dense 00°, 8° Gray silty SAND with gravel,fine to coarse-Grained, moist, dense 5 _ Test Hole terminated at 4 feet on September 14, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST HOLE LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Logged b :99 Y Plate: 15342 Oct.2015 TRC 8 GEOTECH CONSULTANTS,INC. ea°t0 TEST HOLE 3 VP' G° e \ \)5 Description One foot of shredded bark over geotextile over 3 inches of gravel over geotextile Gray-brown SAND with gravel,fine to coarse-grained, moist,loose to medium-dense TherV Gray silty SAND with gravel,fine to coarse-grained, moist,medium-dense to dense Test Hole terminated at 2.7 feet on September 14,2015. No groundwater seepage was observed during excavation. 5 — No caving observed during excavation. 10— TEST HOLE LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Logged b :89 Y Plate: 15342 Oct.2015 TRC 9 GEOTECH CONSULTANTS, INC. Slope backfill away from foundation. Provide surface drains where necessary. c ' Tightline Roof Drain Do not connect to footing drain) Backfill See text for 1, requirements) 0.4 X- = If o1 IIL Nonwoven Geotextile ; Filter Fabric Washed Rock u,i}; 7/8"min. size) w Possible Slab 7 •0 n•D A. D !]:"0,•t'J: •O,•0. 0-.•0:cc•p,•t;1.7 p:•0a0oOoOoo '- 4.."`-'*4**- L•. lc* •. 0.' o e. .oA' .,A .,.'' .o e o o e e } .„ '. w 'k+ n•,• • • 00 ° o• 00 00 000 °Ou•Q 00 000• 0 000•° 00 re0 • O O O A 4 f ',, 0 0 . o•o 0 oa o'o ;0'0 0'0 oc000 n,.'r-'h}x ,,• '1 J7`""' *,+ ,'„ c,y O, .,' o,•c•o O o,• o O o,•a°.o p on oo o 00t o0 o .ry '' ' tl,• a " 3 aT {, o b•,.b Q •°• n ......: 1°. y°'.°'•o'.c,.b ;6 e e . " III Illlt llll 4° min. o°^Q°.°° e,„ IIIIIIII-I Vapor Retarder/Barrier and Capillary Break/Drainage Layer Refer to Report text) 4" Perforated Hard PVC Pipe Invert at least 6 inches below slab or crawl space. Slope to drain to appropriate outfall. Place holes downward.) NOTES: 1) In crawl spaces, provide an outlet drain to prevent buildup of water that bypasses the perimeter footing drains. 2) Refer to report text for additional drainage, waterproofing, and slab considerations. FOOTING DRAIN DETAIL GEOTECH 1144 - 1158 Harrington Avenue NE CONSULTANT'S,INC. Renton, Washington Job No:Date: Plate: 15342 Oct.2015 10 GEOTECH CONSULTANTS, INC. APPENDIX B PROJECT PLANS AND SURVEY RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 y 2 MPE 1P I e/ Ik RSECnoN ON. p+< 10' SEWER smorm B caksr. EASEMENT GLENNWOOD AVE NE k°G°.R M'.nE5) FOUND J/4'IRON BAR 3•' s9ex Ru= :.: — °\ /e ofiosL a9ER aslueem BY co Nsz) 6" STORM T SM.MAGMA w/ Q DRAIN BRASS WASHER IN LOT IJNE ROW LINE 6" STORM IE B'N-5=335.6., I LOW RAIL FENCE AIN 40,4 I 8 -335 v0 ss —'ii/ii: „-zr... 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REVISION BY DATE APPR N.M. sur"0 M4' 9EEL W L a [ w EA SEWER 2 MPE IP / w CRON ON. EASEMENTqSTROYEOBCONS7 GLENNWOOD AVE NE NO OO.R N•.TIES) FOUND 3/4'IRON BAR V SET Su.MAGNAIL W/ LOT LINE ROW LINESETMAC.NAILASHER O5'NE OF CORNER t SSMH TIN= 8/03/2015 DISTURBED BY CONST.) BRASS WASHER IN OIE8'N-5=335.8, s\ 1 LOW RAIL FENCE 8 =335., w MVt _ luapgn'24•w 45ZnD' - 310. 350- 331- 1 V ss Q B'SYW-56'75: R t sh'"P ` i ..1..''r" F dr- a- i . cB RIu=3so.z7 . 4 ` I *t•4`ss' 6. F444:: rsta *•3 IE 12'SW-NE=345.5 / E 6 =3 JSO72rO 177/i1, sue•. I- IE s'w=3nw 1 7'.'S C/•,`iJ i./iri,l .! f @+t w IE s'5-348s4/- t O2)4'APL l i`i/,//f" 'r/% n IEIE 12'NE=345.19/ FOUND 1/2'REBAR / r:>/Pyr. J/,JIL. END/ACCEPTED ACCEPTED 12'PIPE SSYH':.. 350.69 k CAP'DEA 17672' r I 0\ • W CORNER; r. 0 1 MTH TACK FOR N S UNE IE 8 340D2 0 \\ \\\ - O ` i W i- l OF C(RNLR INLET RIM=750.16 I Z R V \ FOUND 3/8'REBAR I IE 6'NW=749.3 W I 3 N 0.79'NORTH v. CORNER IIt+ R-3&R-4)EIfV.349.49 L f/ PROTECT EXISTING S\t =' / END.ROUNDBaTD•+ ' V L- CONCRETE UNDER a ijiI \ Ins y'I ti PROP ED BUILL I v t' ! 1 I , EXISTING 0 TR E a••4' 4t"' ( R I) a I f iT 1 `II E r irir \'// \ i// v 'r / ( N - ri,.// 0 S GROVE TO EMAINGRO iiitgig I 1 P tipts dv. J 0 •/ 4P. _-- p CB RIM=350.55 \ l 1 e\. tee % r / Ic 6'=749.0 1. 1: 314-: liblr.,' D .., 1 1'., ti . • ',.• 1/ x.1gpOL ..11a`/.`- i'.. r) 3 A' \mot / M1/ I g tl" 7 / o•lye::.:•'. 1 l iwi e4. ISTIED\ 4 STAMPED'OYLER LS 5524. 1---' F 3)ELEV.34&60 41II. II f t:f" t.''fir. .t,..• 1 i/ / j9 0 S:@ L SSMH RIM=352.75 illia I h,j I / // :(''•• `C IE W=343.45 T./.. r.:.....'-,.'"/ 441 II :::. , 1•:a; i 4 may , // i N L 1 i IOU L Vail' s 3+' All l Cr3 LA, lip ct r 0/ACCEPTED TAMr 2a.z' j •yam' -Y O iER LSCPP STAMPEDQ\/ m \ f/ r J ELEV.=349.60 z i I q is s Z r i==t...'..,.;, i c \ i i Q• Scale In Feet YD RIM=34663 I a:fit 1 n ^a ,';. i 4` - _ LOCKED LID I Mf - 016 MAP LEGEND PERVIOUS CONCRETE IY i // Jfli 1114 1:1I / illikEl1 30 %/ 11§ PERVOUS CONCRETE SIDEWALKpsr'lith\ / Ir. 4.xAy s - i ._, 4 , VERTICAL CURB U MO am iimm e"y: i: ;P Q` EXISTING CONTOURS I! , I 309 PROPOSED CONTOURS Q fil j I:. ® r te® PQ o 1 I CREASE VAULT UJ FNO.RR SPIKE SSMH RIM-345.721 I a.a._ I a R8'E=J33.f 1 1 I I COR 35W 200.6T' a - _ 1 _ Q Q L- p 4' IC 8'N 5=332. r ill I I LEA 007-83 J^ 1 I FND 1/2'REBAR&CAP 200.62 CALL 200.80'R-3 TO CA)_3«---- 1\ 1, I..L ci 1 1 STAMPED'OYLER LS 5524' AT LLA-003-82 POSITION' 1 ---RI 0.5'NORTHOFPROP.Z2 PLEASE CALL 811 W ss n gR-1) ELEV.346.22 n tt 3 Working Days 4J ae o NOT FOR CONSTRUCTION BEFORE YOU DIG d g M i Gxxx AS NOTED p RHA SUNSET TERRACE of/,9/zo,s RM CITY OF SUNSET COURT TOWNHOMES m'®° w•no SWORD""e...L."' MOM JA CM NM DATU`I RENTON RENTON,WA COMM IQ k RATIW WA 7 I a R>a SOLE I Planning/Building/Public Works Dept. C;.ADNG AND PAWIG PLAN C4.1 a ! LT!. T 1Si®1 PB so uc Mo flues NO. REVISION BY DATE APPR w^m'm EGEND Y/; C'B RR4=348.55 1162 HARIONGIOI AVEAYF NEI::•/ IEIV(S)=345.35 ANILMAWLLPIN LLC O- IE 8°(E)=345.55 PARCEL/712780-1670 WATER VALVE SETUNLESS OTHERWISEREBAR STATED.PLASTIC CAP AS NOTED.w 'I •' • v9 \ •--HYDRANTq o 2825 NE 121H ST S WATER METER B MONUMENTS AS NOTED 2 MPEH-I COON U4:= ... 1175 HAORNG70N PI NE MANHOLES(SS/SD) FOUND TACK IN LEAD PLUG AS NOTED.T i C:"- SIROTID• war F_N" 'RENTON HOUSING AUTHORITY Q1 NO CO.R M..TIES), as' 3/4°IRON BAR , -PARCEL/712780-2045 HARRCEL/ PLACE CONDO CR UNLESS OTHERWISE STATED,Glennwood Ave` NE. , /SET YAG Ago g as NE OF COWAN, r -Wgg W e y gut PARCEL/J12700 0000 C/ 4 POWER/UT CITY POLE M.OR MEAS.: MEASURED DIMENSIONNaarA.P 3' PoCHARD HOUGHTON SURVEY GUY ANCHORCN.WINTED CENTERLINE 19lJH,RIM:.: ` '.:, - "8/03/2015• •, V S':• (aSNRBED BY CONST) I.^_ ,...i` ow .1 BRASS.WASHER W gK;2J PG,"720 MAY 1980 P.OR PLAT: INDICATES RECORD PLAT DIMENSION PER PLAT-MAY NOT FIG IE BT!-5=335,8= 1 ••>,- ••-. - `V 1p9. igall ,- LOW RAIL:FENCE _ "e ' REC/8005299001- _- KEN OYLER SURVEY Q POWER TRANSFORMER C.OR CALL,: INDICATES A CALCULATED DIMENSION BOLT-MONUMENTS TO W. I. 'IE 8°E=J35,•= _ W qyI GC--28 PG 298 SEPL 1980 CO P POWER VAULT OR PRORATED PLAT PER MEASURMENTS MADE. IN8859.21'W 15200•L Gry-- •. 9002 M POWER METER 1 C ss ' ss RE i, a, h S/ D/ TELEPHONE/TV RISER lj$4_ r g51 C/810909 F-, w_ t ' -- • IE I2'SW-NE=745.5 /SDMH RIM=J5072 DI GAS VALVE a _ GAS METER CA-LC tC 571/ I- iE 6'W=J470f/- 56.75 _ a\ - - 00 Na859'21•W 15200-1-AT&CALL - - -..-Wes" 'fb. °4"`'4,, IE 6°5=745,54/- STREET LIGHT D• 10 SEWER MAT. 115,12'BETWEEN BARS P N658'S7'W 59,66' 0. -`FrOf, s,,, IE 12'SW=345.5*/ X SPOT ELEVATION s _'4 I z 4'aP PER PUT @REC I a' 6471624 @ 647013 Some z° G `_ _ _i 1 IE 12°NE=J4S19/ SIGN FOUND 1/2°REBAR / 4, r, 1 n I' 1 OAK 14°OAK• FWD/ACCEPTED I/2'PPE SSW RW=350.69 \ N 3/•' o MAILBOX IF I- vim I \CO SW OF CAP'DEA 17CORNER} I gll 2.41,,,, I RON iAIX FaR N-S 101E IE 8'E-W=340.52 CL 3 ROCKERYIfDSo--j / 4om Rra oaY sou1H aF COtAIER Sys' \ ':,.00-, - I (R-4)E1EV.=J4895 INIfT RIM=350.16 CONIFEROUS TREE I \ ' \ i//U///i0///O/ /O/oo//O///////A A/ R-3)ELEv.35Ooslo'SEWER E91L Di-I_ IE 6°NW=349.3 W u \ \ FOUND 3/8"DEBAR/ w,1 I 6471624& T 664701313 9y,T C01 ENO.ROUND 1 APPROXIMATE DRIP LINE) I 1 - %/O 0.19 NORTH OF CORNER 1 / I '-* ••DECIDUOUS TREE(CHRY=CHERRY,MAP=MAPLE,DEC-UNKNOWN DECIDUOUS) c A4Ya I 2 I, UN HEAD BOLT - .Tt I \ /-^l//// O ( R-J&R-4)EIEY.749.49 F ell 24• 1( N w 9C / ,: (R I) W/APPROXIMATE(PPRO%IMA1E DRIP LINE)I > I , I • -.. m 1 _ I • / j S2 I156 ASONJOD AYF NE II y'ARLIM q: YYip1 \I . ` .. .b+.'. \, •N- { NITER LNESLINES L n;"-'/1 F•! I PARCEL/71276-1665 I n a'/ \ C \, j.•'kG.:> .--- /4.^ / _` ). _ I r I I a oao iiiiq aaiaoii/riai% ' ' j l\ 4r L f J+• 9 ll PROPERTY LINES I 2J- 2 P w -- ROT LINES WAY LINES m I w N\° 4 SET AL YARMR W/ MD. 2 ,• 6 h y' S AO BRASS WASHER AT f `R WATER LINE 1 1"---- 6 ram/,• r$p' • r BACK OF CURB AT R-1 pNn.`fQr ` A SANITARY SEWER LINE p .'\ '. P,-1 I I I S 1 Gj/' Y\+Q'il'3 _,,'` / ap,/. 28'.4 ' •'\, O Iiv 6.57'OETSET TO CORNER I'• '`\ : -€ -`Wp, q,dCf l0 w STORM DRAIN LINE E I i( '..)d 242TY J I`G yQ.typs W,%/ f t. J'' A"Yf( 7l /• c - GAS UNE g . _ V%f / CB RIM=750.55 \''/ UP UNDERGROUND POWER LINES a/ I 1 4 G HEATER MLANDS LLC UT UNDERGROUND TELEPHONE LINES C 3/• IE 6'N=349.0 UTV UNDERGROUND CABLE TV LINES J 8/ 3 I //;? T.. ) Jp1S a 1, / A \ GI'g ° y PARCEL/722780-1780 y 3 / oyn. OVERHEAD UTILITY LINES R P. L- // I •n$•- SHED ISY•y v. I APP ,`g,/,/ en-" T I°. t'' p o-O-a-O-O-' CHAIN LINK FENCE SUNSET NORTH CONDO SURVEY J a-x-x-K- WIRE FENCEIvsENDACCEP34'R o r' J END/ACCEPTED PEBR147/. 0 AFIRIL ip:s I i `- I h) STAMPED'OY1LR LS 5524' I • i \ Go O WOOD FENCE REC 9804160689 kA _ ® 6 a L--3'`9 _-_-__-/ - J , n' ,g%J/ R-J)EIEV 318.60 On LEGAL DESCRIPTION:i N - 7 -N8624'ITW / T PARCEL A: 0 g I\, THAT PORTON OF PUBLIC USE AREA ADJACENT TO TRACT 46B IN BLO(7(46 OF CORRECTED PLAT OF I-, I27.BI'PIAT&YEAS-- - -. -,.,_ ,-®/ ) qO I J Y'' / , J'J' "-RENTON.HIGHLANpS N0.2,AN ADDITION TO THE OTT LTF RENTON,ACCORDING TO THE PLAT RECORDEDI,:: J 1' i-" gyp,} \ J/j IN VOLUME 57 OF PL17$PAGES 92 TO 98,INCLUSIVE,RECORDS OF COUNTY OF KING,WASHWGTON, s I I \` / 4'• 4y \t i6•POP yam ,' - ', L / SSMH PoM=352.75 J LYING SOUTH OF A LINE DESCRIBED AS FOLLOWS BEGINNWC AT THE SOUTHEAST CORNER OF LOT 21, I I 4A i/ IE W=343.45 J \ BLOCK 46 OF SAD PLAT;THENCE EAST TO THE SOUTHWEST CORNER OF TRACT 46A OF SAD PUT;S 1 V' FIR V 3 IAND LYING NORTH OF THE FOLLOWING DESCRIBED UNE:BEGINNING AT THE SOUTHWEST CORNER OF LOT M 9'4. V 19,BLOCK 46 OF SAD PUT;THENCE SOUTH 0335'47'WEST 25.6 FEET FROM THE SOUTHWESTIBL' y% / CORNER OF SAID LOT I9;THENCE SOUTH 67436•EAST 200.80 FEET TO THE CENTERLINE OF y I. G lp7g J2°POP J/ VACATED HARRINGTON PUCE NORTHEAST AND THE TERMINUS OF SAD UNE`TOGETHER WITH A 10 Ii FOOT WALKWAY LYING BETWEEN TRACTS 46A AND 46B OF SAD PUT AND BETWEEN LOTS 20 AND 21 I a \ cm. f 4,- - y OF SAID BLOCK 46, II \: ' I - J @Y 9 4 •WI,µ- arJJ PAR61 A-1: T 1 1 f PINERON OF TRACT 46B O'BLOCN 46 OF CORRECTED PL7\TOFRENTONHIGHLANDSN0.2 AN ADDITIONTOTFTE CITYOFRENTON,ACCORDING TO THE PUT RECOIaEDIN VOLUME57 CKPUT$I \\` FLU., ;'1„ vO ii 24°FlR I d i"/ J NOTES. PAGES91TO98,INCLUSIVE,RECORDSOFCOUNTY OFKINGWASHINCTON,ANOTHAT PORTIONOFm .\ - - I \ 1144 HARRINGTONI AVE NEI APPLE I _- n ',/ VACATED HARRINCTIX1PUCENORTHEAST(FORMERLY 12THPUCE),DESCRIBEDASFOLLOWS:BECWNINGZI '-I 8T' \ SCOTT WDSS I TO, ,/ HORIZONTAL MERIDIAN: NAD83/91 AT THE INILItSECTION OF THE WESTERLY LWE OF TRACT 468 AND THE NORTHERLY UNE OF A 50 FOOTI „1. s, PARCEL/722780-I66 \ / BASISOFBEARINGSB854'27•E BETWEEN CITY OF RENTON MONUMENT NUMBERS 57 51RIP OFLAND DEEDEDINAUDITOR SFILE N0.6471fi25;THENCENORTH32'1558°EALONGSAID• AND 1843 ALONG NE 12th ST. NESTTRLV UNE 21608 FEET TO THE TRUE PONY OF BEGINNING;(HENCESOUTHST44'02°EAST110.00\ (.- j FEET TO THE WESTERLY MARGIN OF SAD HARRINGTON PUCE NORTHEAST;THENCE SOUTH 3215'S8'_ I r--_ ,. fi - VERTICAL DATUM:NAVD 88 PER CITY OF RENTON CONTROL NETWORKNEST ALONG SAID MORON 187.69 FEET TO THE SOUTH LINE OF RENTON LOT UNE ADJUSTMENT ND.LLAI'-_' ^•iv _ r I 1 J >1M 3" LLINS BENCHAMRK: CITY OF RENTON MONUMENT NO.57: 7-83,RECORDED UNDER RECORDING NO.8304119003;THENCE SOUTH 6'34'36•EAST ALONG SAID d '/'- _ - i 24.2 • j---) IFNUJACCEPIED 1/2• 3 BRASS DISC W/ X IN CASE AT TNT.OF NE 12TH 5T.&EDMONDS AVE.NE. SOUTH LINE 6.07 FEET;THENCE NORTH 3124'45•EAST 16.09 FEET;THENCE NORTH 5824'13°WEST p/° ELEVATION=326.43' 99.496 METERSI,;:;%-Q\/ ,A i \\ 4Y./ a/ \ `REBAR.CAP STAMPED 110.21 FEET:THENCE NORTH 3016.11"EAST 99,11 FEET TO THE NORTHWESTERLY CORNER OF SAD I ! III \ / A/ Q 1' -, •POWER LS 5524'(R-3) TOTAL SITE AREA: 87,059 SQ.FT.,OR 1.999 ACRES TRACT dfi8;THENCE SOUTH J215'S8'WEST ALONG THE WESTERLY UNE OF SAID TRACT 99.09 FEET TOINA!' / I 4f , \ q y 6v EIEV.J49.60THE PONY OF BEGINNING Ir y may'/ C, me,µ ,_ 34 ! / TA%ACCOUNT NO: 7227B0-1781,722780-1680,722780-1660,722780-1685 PARCELA-2O1 PORTIONOFTRACT 46B OF BLOCK 46 OF CORRECTED PUT OF RENTON HIGHLANDS'NO. ANP/ P 1!---• TITLE REPORT: FIRST AMERICAN TILE INSURANCE COMPANY FILE NO. 2'_ 1 1\T 1 S'• ADDITIONTOTHE CITYOIFRENTON,ACCORDINGTi THEPLAT RECORDEDIN VOLUME57 OFPUTS,:,( 6 ,-ro-'.1 F ,, m3 L ARE PER SAD REPORT AND ANY EASEMENTS SHOWN HEREON. Fatima DESCRIBED UNE:BEGINNING AT THE SOUTHWEST COMER OF LOT 19,BLOCK 46 OF SAID 87,059 SD. FT. 3 PUT;THENCE SOUTH O3'35.4T WEST 25.58 FEET FROM THE SOUTHWEST CORNER OF SAID.LOT 19;I I I I X. y':! `:,. / / REFERENCE SURVEYS: 1 I I n LL _ v.9 1.999 AC.J/I per' CORRECTED PLAT OF RENTON'HIGHLANDS NO.2 THENCE SOUTH 631'36°EAST 200.80 FEET TO THE CENTERLINE OF VACATED HARRINGTON PLACE G"" ,> /i 4 -; / R-1: 1982 OYLER SURVEY,LLA 003-82,Bk,31,Pg,235,REC#8204219003 NORTHEAST AND THE TERMINUS OF SAD UNE;AND LYING SOUTHERLY AND WESTERLY OF THE IT RIM=346.63 1 I i -I i„ FOLLOWING DESCRIBED LINE-BEGINNING AT-THE INTERSECTION OF THE-WESIERLY-UNE-OF TRACT 46B LOCKED LID I D1 I LQ i '/ -- -I / 6'YAP 1104 OTT OF 90910VE'NE 1A F R=21983-OILER-SURVEY.LLA 007-83;Bk.35,PR.205,REC/8304119003 I I :n J% / OTY OF RENTON 0. b,L. y R-3: 1983 OYLER SURVEY,LLA 015-83,Bk,37,Pg.190,REC#8309299002 AND THE NORTHERLY UNE OF A 50 FOOT STRIP OF LAND DEEDED IN AUDITOR'S FIE NO. OFII I I 1` /; \ PARCEL/721780-17BI vj .. •C Tr R-4: 1983 D.E.A.SURVEY,Bk.89,Pg.248,REC#9210149004 THENCE NORTH 3 E SOU°EAST ALONG SAD WESTERLY UNE 216,08 FEET TO THE TRUE POINT OFllT.' o BEGINNING;THENCE SOUTH 5714'02'EAST 110.00 FEET TO THE WESTERLY MARON OF SAID I 1 . 1\\ I ,/ \\ J3 THE LOCATION AND DESCRIPTION OF ALL SURVEY MARKERS AND TOPOGRAPHY HARRINGTON PLACE NORTHEAST;THENCE SOUTH 3215'58•WEST ALONG SAID MARGIN 187.69 FEET TEl I I I YQ, J' SHOWN HEREON ARE BASED ON FIELD OBSERVATIONS TAKEN IN DECEMBER 2014 THE SOUTH LIE OF RENTON LOT UNE ADJUSTMENT NO.LLA 7-83,RECORDED UNDER RECORDING ND. EL y. / tea AND JANUARY 2015,UNLESS OTHERWISE INDICATED. 8304119003 AND THE TERMINUS OF SAD UNE. 1/' (III ii% WORK PERFORMED IN CONJUNCTION WITH THIS SURVEY UTILIZED THE FOLLOWING PARCEL B: aq' a EQUIPMENT AND PROCEDURES: (A)LEICA TCA7103 ELECTRONIC,TOTAL STATION. THAT PORTION OF TRACT 46.CORRECTED PUT OF RENTON HIGHLANDS NO.2 ACCORDING TO THE rA p a,:-,:. 1 MAINTAINED TO THE MANUFACTURER'S SPECIFICATIONS PER W.A.C.332-130-100. PUT THEREOF RECORDED IN VOLUME 57 OF PUTS,PAGE(S)92 THROUGH 98,INCLUSIVE,IN KING CB RIM=34666 4 -J / /// V 66,,, , _ { 2806 SUNSET BLVD NE B)FIELD TRAVERSE,EXCEEDING REQUIREMENTS SET FORTH IN W.A.C. COUNTY,WASHINGTON,LYING NORTHEASTERLY OF A UNE:COMMENCING AT THE INTERSECTION OF THE IE12°(N-5)-34206 I® ._- I . --__- J / /// V.W II N N\\ 'gL C Y 4, - ` GREATER HRAN0S LLC 332-130-090, NORTHWESTERLY LORE OF SAD TRACT 468 WITH THE NORTHERLY MARGIN OF THAT CERTAIN 50,00 FOOT IE 8'(E)=342 7 I Y W -y . m P PARCEL/722780-1235 VIDE STRIP OF LAND CONVEYED TO THE CITY OF RENTON FOR STREET PURPOSES BY DEED RECORDED 1 S \ J ` '/ THIS SURVEY DRAWING PRESENTS SURFACE FEATURES LOCATED DURING THE UNDER RECORDING NUMBER 6471525;THENCE NORTH 3159'53'EAST,ALONG SAID NORTHWESTERLY Y - -/:!/ I J I I p r WSf / /' /C i(^j> -' / KIN OTTER SURVEY COURSE OF THIS SURVEY. UNDERGROUND UTILITIES SHOWN HEREON(IF ANY)ARE LINE OF TRACT 46B,216,08 FEET TO THE TRUE POINT OF BEGINNING OF THE HERON DESCRIBED UNE; TO RIM=745.90 >§, I I•• ,_„I I 1 ,p I \ 8 BK,31 PG.235 SEPT.1980 BASED SOLELY UPON INFORMATION PROVIDED BY OTHERS AND BENCHMARK THENCE.SOUTH 58W'07'EAST 135.00 FEET TO THE CENTERLINE OF SAD VACATED 12TH PLACE LOCKED LID I I .p•a, I 1 I---/ 0 / / I V,.. REC/8204219003(R_1) SURVEYING LLC DOES NOT ACCEPT RESPONSIBILITY OR ASSUME LIABIUTY FOR THE (HARRINGTON PLACE NORTHEAST)AND THE TERMINUS OF SAID DESCRIBED LINE;TOGETHER NTH THATIj ! J //,•-'\- 3 i A J/ ACCURACY OR COMPLETENESS. PORTION OF THE NORTHWESTERLY HALF OF VACATED HARRINGTON PLACE NORTHEAST(12TH PLACE)ASIuIIs\I7r VACATED UNDER ORDINANCE NO.2553 OF THE CITY OF RENTON,RECORDED UNDER RECORDING NUMBER 1 J- - LMi° Q" CONTRACTOR/ENGINEERS/OWNERS/ARCHITECTS AND ALL OTHERS SHALL VERIFY 6647013 ADJOINING TRACT 46B IN SAD PUT.LYING NORTH OF THE FOLLOWNG DESCRIBED GNU I I r f EXACT SIZE AND LOCATION PRIOR TO CONSTRUCTION. COMMENCING AT THE SOUTHWEST CORNER OF LOT 19 IN BLOCK 46 OF SAID PUT;THENCE SOUTH I 1/ 3" e'° 03'35'47'WEST ALONG THE EAST LINE OF HARRINGTON AVENUE NORTHEAST,25.08 FEET TO THEIO_ / 09-23N-05E CALL FOR LOCATE UTNTY LOCATION SERVICE: 1-B00-424-5555. 1 I t CHRY /- // / 1y INTERffC0 EC OF THE CENTERLINE OF A 50 ER STRIP LAND CONVEYED TO THE CITY OF RENTONI„` _ / I T -3rg-- a WO A/' /..gyp. - y / BY DEED RECORDED UNDER RECORDINGT NUMBER 6471625;STHENCE CONTINUING SOUTH 0375'47'NESTIN.00 p N uFy/ z C. ' SURVEY NOTE SB6 Cry,' _ _-OE / THE CORRECTED PUiOFRFNTON MGIIlAN05 N0.2 C.SO FEETETO TFff TREEHOANRWF BE PNNINE ORTHEAESOUTH 63636'EAS HE20 TER FEET TO THE ENTERUN OFVACA D CTON L C NOR AST 121H PUCE ANO THE TERMNUS 0 SAD PJgo 1 I' T ,>.e/ END/ACCEPTED TACKS / /// 70 6 FULL O<fR2055 ERRORS•TRANSPOSITIONS AND MIS-CALCUU110NS NRNALLY NONE OF THE LOTS TRACT ass WITH THE NORIHQtLY,UNE OF THAT 50 FOOT STRIP OF LAND DEEDED TO THE CITY OF RA COMM-MOUNT IN(FAD PLUGS(R-1) / , / f 1 EgI9KHF 1.,../ 5` -WASTE CLOSE MATHEYARCALLY AND THE MAGNITUDE OF ERROR FOUND HAS BEEN FROM 1 FOOT TO AS MUCH RENTON AND FILED UNDER RECORDING NUMBER 6471625 IN VOLUME 5201 OF DEEDS,PACE 617,IN I 1J c EASE'VAULT®"' AS 125 FEEL THE CITY HAS HISTORICALLY DONYENTED MONUMENT POSITIONS ON 10N CARDS° KING COUNTY,WASHNCTON:THENCE NORTH 3215'58'EAST ALONG SAID WESTERLY UNE 216.08 FEET E^/ 6V NH101 NtREE RENEWED,SEARCHED FOR W THE FEW AND TIED INTO THE SURVEY THERE FOND.MOST TO THE TRUE POINT OF BECINNWG THENCE SOUTH 57'44'02'EAST 110.00 FEET TO THE WESTERLYII I V, qT OF THEY HAVE BEEN DESTROYED BY VARIOUS CONS7RUCTGITPROJECI$SOME FIT WELL AND MORE HELD MARGIN OF SAD VACATED HARRINGTON PUCE N.E;'THENCE SOUTH 32156'WEST ALONG SADI• "' A r.:,.•a .: AO ARIDAF'EWOTHE6 WERE$LI,fRAL FEET OFF OF RECORD$URVEI'PATH HISTONIC AIR4ET5 ANO MARGIN 1BT.69 FEET TO THE SWRi UNE OF Qtt OF RENTON LOT UNE ADJUS11dENT NUMBER LLA t _ / PRIOREDTTIEPER u.N 003-81 R-1) REMANWG CORNER MONUMENTS WERE UTLREO FOR THE BOUNDARY OF SUNSET COURT ALONG WITH gg7_B.I AND FILED UNDER RECORDING NUMBER 830411900.1,W KING COUNTY,WASIINCiON;THENCELATAD I r N674'IS'W 17810' Ni4 - CEA'µ , -"6 SPINE• // FCR BLOC(41.1.THE 2 ROMPING BOLT MONUMENTS ON QENNWOOD AVE DISAGREE WITH PUT ROAD SOUTH 88'34'38'EAST ALONG SAD SOUTH LIE 6.03 FEET;THENCE NORTH 31R4'45'EAST 16.09 nimmm 0 (R-1) D4 P0400N BY ABOUT 4.7 FEET LOTO WERE HUD FOR CENTERLINE ALIGNMENT AND NON-TANCF40 PONY FEET:THENCE NORTH SB2493'WEST 110.21 FEET;THENCE NORTH 3056'11'EAST 99.11 FEET TO THE I IWHld1 mmmimimmm M n J/ QAA) S OF CURVATURE TO THE SOUTH. CORNER MONUMENTS FOUND WERE GENERALLY HELD ALONG WITH SSMI PoM=J4572 9WwT """'`/` mr F4"+ ,,.,.,, NORTHWESTERLY CORNER OF SAID TRACT 468; OUNCE SOUTH 3215 8'WEST ALONG THE WESTERLY J IE 8°E=333.7 1 nH7M N867435W 200.6Y '{I'(fl'('dr,, zer 22.51 J Y'Y PUTTED DIMENSIONS f 91LWNC W CLOSURES CLOSE TO PUT DIYEN90N5 MID MATCHING FAIRLY WELL LINE OF SAD TRACT 99.09 FEET TO THE TRUE POINT OF BEGINNING. E BW' acre I00 pp7_ 6l4415 Em7 \ ` I R. WITH PHYSICAL SIMPROVEMENTSIE8'N-S=3329 I I I, 8J u i! U IiNAQ' 1 • Dl.> Fqi THESE REASONS Ii WgAD WFFlCULT IF NOT NPOSSIBLE FOR ANY TWO SURVEYS TO AGREE WITH I 7 FND.1/2°REBAR$CAP 201L62•CALL ' R-3 TO C/L)-3M1a--- R!]Iiv IR]]]]]]{{{ttf111YYYI J 04 WASP(R/SV ' EACH OTHER BOUNDARY UNE ACREDIFNTS,P0598LY I THE FORM OF LOT LINE ADAISMENTS SHOULD PARCEL Q 1 E,., LOT 19 IN BLOCK 46 OF CORRECTED PUT OF RENTON HIGHLANDS Na 2,AN ADDITION TO THE CITY OF I STAMPED'OILER LS 5524I Rti p BE CONSDERED BETWEEN THE PROJECT AREAS AND ADJOINING NEIONORS TO RESOLVE ANY FUTURE RENTON,ACCORDING TO THE PUT RECORDED IN VOLUME 57 OF PUTS,PAGES 92 TO 98,INCLUSIVE, AT LU-003-82 PO ' EO i a DISPUTES. VACATED R-O-W ORD.2553 I GRAPHIC SCALE i I RECORDS OF COUNTY OF KING WASNINGTON.f I Ds NORTH a PRE. LOT CLOSING ERRORSLI;, R-1) ELEV.346,22 1 `I: 20 D 10 20 % plfi/ PARCEL D: ss 1100 HARRINGTON ME NE 1I 55 SS- iNE OLYMPIC CONDO.-ss y0 PUi CEOSURE CAICUUDONS UIN2INC BEARINGS AND DISTANCES FROM RECORD PUT: LOT 20 IN BLOCK 46 OF CORRECTED PUT OF RFNTON HIGHLANDS N0.2 AN ADDITION TO THE Ott30• l' 1- 41-----' f OF RENTON,ACCORDING TO THE PUT RECORDED IN VOLUME 57 OF PUTS,PACES 92 TO 98, 3 u 11 i PARCEL/6377J0-0000 I 312 7,p Sv INCWSIVE,RECORDS OF COUNTY OF KING WASHINGTON.tALUM.PLUG NOT FND.(R-1) \ L'J/ - 1.°:.. IN FEET FBTb BLOC(!46:- 1 ,T" SSMN RIM=347,23 LOT 19=ER10R=387'- u I SET YMNAL/ALUM WASHER j/ G, IE 8'NE-W=3%.f3 1 inch= 20 ft ryI` AL LAB , LOT 20=ERROR=5.7YIIY .:,:.il _ I CONC.FOOTING i ._....:-I.,'..- ADDED ADDITIONAL TOPO, NOTES, ADDED SHEET 2 FOR THE NODE SITE 1/15/2015 DATE 1/08/2015 PROJECT NO. CAD/CALL JD ADDED TITLE REPORT LEGAL DESCRIPTION AND SEWER EASEMENT 1/20/2015 BENCHMARK SURVEYING LLC LAST REVISED 8/20/2015 BOUNDARY&TOPOGRAPHIC SURVEY 1 191 5 44TH DRIVE SE 61 2 KIRKLAND AVE,SurTE A 3 SCALE 1"=20• FOR RHA-2014.01 DRAWN XXX ADDED SURVEY DATA FOR PARCELS 722780-1665 & 722780-1780 e/14/2015 SUNSET COURT TOWNHOMES RENTON HOUSING AUTHORITYEVERETT,WA 98208 KIRKLAND,WA 98033 SURVEY TEAM JD/ROBO XXX ADDED NEW TITLE REPORT LEGAL DESCRIPTIONS 8/20/2015 p.206.396.6252 p.206.396.3199• PORTION OF; NW 1/4,NW 1/4,SECTION 09,T.23 N.,R.OS E.,W.M. SHEET 1 OF 1 1 REVISION DATE FIELD BOOK RR APPENDIX C STORMWATER MODELING REPORTS KCRTS Report for Detention Vault Sizing WWHM Screenshots for Bioretention Planter Water Quality Sizing it RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 KCRTS Report for Detention Vault Sizing Vault.exc KCRTS Program. . .File Directory: C:\KC_SWDM\KC_DATA\ C] CREATE a new Time Series ST 0.00 0.00 0.000000 Till Forest 0.00 0.00 0.000000 Till Pasture 1 .52 0.00 0.000000 Till Grass 0.00 0.00 0.000000 Outwash Forest 0.00 0.00 0.000000 Outwash Pasture 0.00 0.00 0.000000 Outwash Grass 0.00 0.00 0.000000 Wetland 0.40 0.00 0.000000 Impervious predeveloped.tsf T 1 .00000 T C] CREATE a new Time Series ST 0.00 0.00 0.000000 Till Forest 0.00 0.00 0.000000 Till Pasture 0.73 0.00 0.000000 Till Grass 0.00 0.00 0.000000 Outwash Forest 0.00 0.00 0.000000 Outwash Pasture 0.00 0.00 0.000000 Outwash Grass 0.00 0.00 0.000000 Wetland 1 .19 0.00 0.000000 Impervious developed.tsf T 1 .00000 T T] Enter the Analysis TOOLS Module P] Compute PEAKS and Flow Frequencies developed.tsf developed.pks P] Compute PEAKS and Flow Frequencies predeveloped.tsf predeveloped.pks R] RETURN to Previous Menu T] Enter the Analysis TOOLS Module P] Compute PEAKS and Flow Frequencies predeveloped.tsf predeveloped.pks P] Compute PEAKS and Flow Frequencies developed.tsf developed.pks R] RETURN to Previous Menu F] Size a Retention/Detention FACILITY Manual Design vault.rdf 5 Route Time Series 0 Return to Main Menu X] eXit KCRTS Program Page 1 Retention/Detention Facility Type of Facility: Detention Vault Facility Length: 41.51 ft J Facility Width: 41.51 ft Facility Area: 1723. sq. ft Effective Storage Depth: 4.00 ft Stage 0 Elevation: 0.00 ft Storage Volume: 6892. cu. ft Riser Head: 4.00 ft Riser Diameter: 18.00 inches Number of orifices: 2 Full Head Pipe Orifice # Height Diameter Discharge Diameter ft) in) CFS) in) 1 0.00 2.06 0.230 2 3.00 3.21 0.280 6.0 Top Notch Weir: None Outflow Rating Curve: None Stage Elevation Storage Discharge Percolation ft) ft)cu. ft) (ac-ft) (cfs) cfs) 0.00 0.00 0. 0.000 0.000 0.00 0.02 0.02 35. 0.001 0.017 0.00 0.04 0.04 69. 0.002 0.024 0.00 0.06 0.06 103. 0.002 0.029 0.00 0.09 0.09 155. 0.004 0.034 0.00 0.11 0.11 190. 0.004 0.038 0.00 0.13 0.13 224. 0.005 0.041 0.00 0.15 0.15 259. 0.006 0.045 0.00 0.17 0.17 293. 0.007 0.048 0.00 0.27 0.27 465. 0.011 0.060 0.00 0.37 0.37 638. 0.015 0.070 0.00 0.47 0.47 810. 0.019 0.079 0.00 0.57 0.57 982. 0.023 0.087 0.00 0.67 0. 67 1154. 0.027 0.094 0.00 0.77 0.77 1327. 0.030 0.101 0.00 0.87 0.87 1499. 0.034 0.107 0.00 0.97 0.97 1671. 0.038 0.113 0.00 1.07 1.07 1844. 0.042 0.119 0.00 1.17 1.17 2016. 0.046 0.124 0.00 1.27 1.27 2188. 0.050 0.130 0.00 1.37 1.37 2361. 0.054 0. 135 0.00 1.47 1.47 2533. 0.058 0.140 0.00 1.57 1.57 2705. 0.062 0.144 0.00 1.67 1. 67 2877. 0.066 0.149 0.00 1.77 1.77 3050. 0.070 0. 153 0.00 1.87 1.87 3222. 0.074 0. 157 0.00 1.97 1. 97 3394. 0.078 0. 161 0.00 2.07 2.07 3567. 0.082 0.166 0.00 2.17 2.17 3739. 0.086 0.169 0.00 2.27 2.27 3911. 0.090 0.173 0.00 2.37 2.37 4084. 0.094 0.177 0.00 2.47 2.47 4256. 0.098 0.181 0.00 2.57 2.57 4428. 0.102 0.184 0.00 2.67 2.67 4600. 0.106 0.188 0.00 2.77 2.77 4773. 0.110 0.191 0.00 2.87 2.87 4945. 0.114 0.195 0.00 2.97 2.97 5117. 0.117 0.198 0.00 3.00 3.00 5169. 0.119 0.199 0.00 3.03 3.03 5221. 0.120 0.203 0.00 3.07 3.07 5290. 0.121 0.212 0.00 3.10 3.10 5341. 0.123 0.226 0.00 3.13 3.13 5393. 0.124 0.245 0.00 3.17 3.17 5462. 0.125 0.268 0.00 3.20 3.20 5514. 0.127 0.296 0.00 3.23 3.23 5565. 0.128 0.326 0.00 3.27 3.27 5634. 0.129 0.353 0.00 3.30 3.30 5686. 0.131 0.363 0.00 3.40 3.40 5858. 0.134 0.390 0.00 3.50 3.50 6031. 0.138 0.413 0.00 3.60 3. 60 6203. 0.142 0.435 0.00 3.70 3.70 6375. 0.146 0.456 0.00 3.80 3.80 6547. 0.150 0.475 0.00 3.90 3. 90 6720. 0.154 0.493 0.00 4.00 4.00 6892. 0.158 0.510 0.00 4.10 4.10 7064. 0.162 0. 989 0.00 4.20 4.20 7237. 0.166 1.850 0.00 4.30 4.30 7409. 0.170 2. 960 0.00 4.40 4.40 7581. 0.174 4.270 0.00 4.50 4.50 7754. 0.178 5.750 0.00 1 4.60 4. 60 7926. 0.182 7. 190 0.00 4.70 4.70 8098. 0.186 7.730 0.00 4.80 4.80 8271. 0.190 8.240 0.00 4.90 4.90 8443. 0.194 8.710 0.00 5.00 5.00 8615. 0.198 9.160 0.00 5.10 5.10 8787. 0.202 9.590 0.00 5.20 5.20 8960. 0.206 10.000 0.00 5.30 5.30 9132. 0.210 10.390 0.00 5.40 5.40 9304. 0.214 10.770 0.00 5.50 5.50 9477. 0.218 11.130 0.00 5.60 5. 60 9649. 0.222 11.490 0.00 5.70 5.70 9821. 0.225 11.830 0.00 5.80 5.80 9994. 0.229 12.160 0.00 5.90 5.90 10166. 0.233 12.490 0.00 6.00 6.00 10338. 0.237 12.800 0.00 Hyd Inflow Outflow Peak Storage Target Calc Stage Elev (Cu-Ft)Ac-Ft) 1 0.72 0.51 0.51 4.00 4.00 6891. 0.158 2 0.38 ******* 0.25 3.13 3.13 5395. 0.124 3 0.36 0.24 0.23 3.10 3.10 5350. 0.123 4 0.35 ******* 0.21 3.05 3.05 5256. 0.121 5 0.43 ******* 0.19 2.60 2.60 4478. 0.103 6 0.37 0.16 0.15 1.80 1.80 3106. 0.071 7 0.29 ******* 0.12 1.14 1.14 1973. 0.045 8 0.31 ******* 0.11 1.00 1.00 1728. 0.040 I.l / s. a gT Imp Glennwood Ave aria 6,10 WAAL a r s I wrm+ les.r I.'m u may LJi :mg T.i =.— mom I• \$1.•rVl lam 1 ,"•T A ` . _[ r_ 1 Alit, sax` C. v _'" es ~\ l i ti { \ .yl Sp oav1•en o.n Ile q orcw. 1 J wpm oar 1 a 1. liig. • ;', ,call Pi 1 NA\ 0. 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FP- can I 001..., 0, ya,, 001PP.0.3 srowd wYwd 0110s wry an,) MIN nldrOMI JC*4 1 MN II @I PI aro- aooivamiwa _--4 rfla 200IA VW_I 15/51./0/1 anwsarou wan 01000.*/ papaps040., 00+V L tn5 t ry.11 RELIELMItILE ar Rs% 17.0 ai wri S NMWS — I A p,. 11,[ 1.:,...yiNdt....1.M.I... k.+r..tom Oueatl OtlY2 Q41] Mi asTt Ow.ee.a.Cem.alwe a R Ir..nM Tr.e s..IiLbu- B wee.; r.-e+...awn..e.-2,2. uiw Fner x,s:.; r.,......,a...nmr.r nM oeeeeeree ovarem I Bwiw I.e. e IM Omen.... Oeaet S.C..Date u.eon nl m 1 eU...w,.,ee A...g. ,a g P.' 1 e 4e.M a r— sbMM Rgrsn S.MM 1. t _.— _ tea MM H O.ev OI.M IM0II M.'r1ee.4Ml !{MMer N) 0. W M.M t '{~ 2 n.s.ova...Iu.xeeelen 2.2 a h ITem THY W.I. :1 mm Oa1 waaw Yvan.* i.... _• Ya Ail ww a.rw.r M APPENDIX D CONVEYANCE SIZING RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 iv 1^W'orksheet : Circular Pipe - 1 is1mar Uniform Flow Gradually Varied Flow I Messages Friction Method: [Manning Formula Solve For: jFuu Flow Capacity 1 Roughness Coefficient:0.010 Flog; Area: 0.20 ft2 Channel Slope: C.C2C00 tt Wetted Perimeter: 1.57 ft Normal Depth: 0 ft Hydraulic Radius: 0 ft Diameter: 0.50 ftop 'idth: 0.00 ft ft3/s Critical Depth:848Discharge: 1.03 ft Percent Full: 100.0 Critical Slope:0.01733 ft/ft Velocity: 5.25 ft/s Velocity Head: 0.43 ft Specific Energy: 0.93 ft Froude Number: 0.00 Maximum Discharge: 1 .1.1 ft3/s Discharge Full: 1.03 ft3/s Slope Full: 0.02000 ft/ft Flow Type: SubCritical 0 Calculation Successful. APPENDIX E DECLORATION OF CONVENANT To Be Provided in Future Submittal) RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 PAGE LEFT INTENTIONALLY BLANK RHA Sunset Court Apartments,MIGISvR#15030 Appendices Technical Information Report January 13,2016 r Ally Community Development, LLC Traffic Impact AnalysisPY Sunset Court September 10,2015 4r 4o4 AS art i4N, t „ 4 4.2986 9 44) loNA - 67/11/K' G` D5055thAvenueS,Suite 300 E'' _r E C- Seattle,WA 98104 F E B 01 2 01.Perteet 1.800.615.9900/206A36.0515 1 I I I 1.0 Introduction The proposed townhouse development is located at the southeast corner of Harrington Avenue N and Glenwood Avenue NE in Renton, WA. This site was previously approved for a 10 unit townhome but the development has been revised to increase to 50 units. The site is located just north of the Sunset Terrace neighborhood. The site is shown in Figure 1. Note that Sunset Lane is currently being redesigned. The revised alignment will create a loop road and remove Harrington Avenue N between the Sunset Lane loop. Refer to Figure 1. 2.0 Trip Generation Site generated traffic volumes were calculated using data from the Institute of Transportation Engineers(ITE) Trip Generation Manual,8th Edition, (2008). Trip generation rates were selected using the ITE Land Use Code 230,Residential Condominium/Townhouse. The results of this analysis are shown in Table 1. Table 1 —Trip Generation Summary 10 Unit Average Daily Trips AM Peak-Hour Trips - PM Peak-Hour Trips Townhouse ' Inbound Outbound Total Inbound Outbound Total Inbound Outbound Total Generation Rate 5.81 0.44 0.52 Percentage 50% 50% 100% 19% 81% 100% 64% 36% 100% Trips 29 29 58 1 4 5 3 2 5 50.Unit.: Average Daily Trips AM Peak-Hour Trips PM Peak-Hour Trips Townhouse Inbound - :Outbound; Total Inbound Outbound •Total Inbound ' Outbound Total Generation Rate 5.81 0.44 0.52 Percentage 50% 50% 100% 19% 81% 100% 64% 36% 100% Trips 145 145 291 4 18 22 17 9 26 Increase 116 116 232 3 14 17 13 7 21 The revised townhouse development is anticipated to generate 26 PM peak hour trips,22 AM peak hour trips, and a total of 291 trips throughout the day. This is an increase of 232 vehicles per day over the previously planned 10-unit townhouse development. j 3.0 Trip Distribution The townhouses will have a parking lot with two access points. One will be located off of Harrington Avenue 1 NE and the other access point will roughly align with Harrington Place NE. It is anticipated that 30%of the site generated traffic will travel to the north with 70% traveling to the south through the reconstructed Sunset Lane. Further breakdown of the traffic assumes that 45%will continue to access Sunset Boulevard via NE 10th Street with the remaining 25% utilizing Harrington Avenue NE These percentages for traffic distribution were developed based on existing traffic volumes and peak hour counts of the surrounding street network. The trip distribution results are shown in Figure 1. The trip assignment was calculated using existing traffic counts, by using the PM Peak Hour— ADT ratio to convert peak hour counts into ADT units. This relationship was then applied to the site generated trips to determine the PM Peak Hour values for each street and which route they were more likely to take. These Sunset Court Page 1 Traffic Impact Analysis Ally Community Development,LLC September 10,2015 1 File location:\\evt-files\clients\Ally Community Development,LLC\Promo Efforts120150193-Sunset Court TIA\TIA 5tuff\TIA sunset court-Draft.docx l results are shown in Figure 2 which reveals the anticipated increase in each turning movement due only to the new Sunset Court townhome development. 4.0 Intersection Level of Service Analysis PM peak hour traffic counts were obtained for three intersections along NE 12th Street(at Edmonds Avenue NE,at Harrington Avenue NE,and at Kirkland Avenue NE) by National Data and Surveying Services in August 2015. The remaining five intersections had turning movement counts obtained from the Sunset Boulevard project traffic report conducted by Perteet. These eight intersections are shown in Figures 2-5. The existing turning movements are shown in Figure 3. The future analysis was performed for the development's anticipated year of opening, 2017. The baseline turning movement counts were developed using a 1% annually compounding growth rate. The baseline turning movements are shown in Figure 4. Following the development of the baseline turning movements, the trips generated from the proposed development were added to the 2017 baseline condition to reach the future conditions after development and are shown in Figure 5. The existing, baseline, and future scenarios were analyzed to determine the level of service(LOS)at each intersection within the study area. The results of this analysis are shown in Table 2. Sunset Court Page 2 Traffic Impact Analysis Ally Community.Development,LLC September 10,2015 File location:\\evt-files\clients\Ally Community Development,LLQPromo Efforts\20150193-Sunset Court TIA\TIA Stuff\TIA sunset court-Draft.docx dir g NE 18T41 ST ti1G j11. a. Vi I r ;•. • . v im.... i. S.t - s-- a,e.I j. Zy vM'04 Y i i. i w e, a j i* J I r i(NE 0 ,/ , '4 4 a j I - Aryll so.. 1 n # Ig Irr1LlMSite E 2' FEt,. 1.4‘ r I, o y it i_Pill- xr' ,.1. K iil a • U mr it t t `b ar Legend M 1', par ' W-?, t..) 4Ur ..,, sr, • .—. Road Removal 114 ii...t i1 r • Road Connection e IYt is-a : 1-i. 1 li IC. -X 4.. ill A- w i `>_ r r *,. tali[ D Sunset Court TIAo z e Site Generated Traffic Distribution s o zoo 400 Figure 1 Perteet t ' Feet s 1 rut. Rye - Mon,- q aunty Sunset Court Page 3 Traffic Impact Analysis Ally Community Development,LLC September 10,2015 File location: \\evt-files\clients\Ally Community Development,LLCIPromo Efforts\20150193-Sunset Court TIA\TIA Stuff\TIA sunset court-Draft.docx 4 . 0 k,lij iç !h= 0 4)1L =, J1` NE 12TH ST NE 12TH ST i NE 12TH ST 1 ' 1 i 1 2_4 4) Tr, 1--, oro 2-r1 0_ v cc c 1, 1`; ti ryy O 1 0 n 0NE12THST1c ii I Eli" a--4, 4, %) 127;1 ;r Ai cV, 1410.2. 9 2 111 _--Sit- a 8 0 il-c, A. 2 i 0... -ili 0 r 1 Fit c.,, 4,44;0 t? Oggi/ r--‘ 41////,::, 4, I l Q Z Pr. 1 s rV 0 c , ._0 11 1 i Sri[ 2 r ° O 4b iii r O y 4Y 1 0v, O O N o it 0 7 . . O 5 •• o o I r' Sunset Court TIA 0 Site Generated Traffic Assignment i Zi 0 x 300 GOO Figure 2 Perteet 4e ruoui« L.ny of Renbn:King County Sunset Court Page 4 Traffic Impact Analysis Ally Community Development,LLC September 10,201S File location: \\evt-files\clients\Ally Community Development,LLC\Promo Efforts\20150193-Sunset Court TIA 1TIA Stuff\TIA sunset court-Draft.docx r • L w Z J c Z W 5Z VoA Sg3Tj '1 III <92 Alt, c-it NE 12TH ST ir NE 12THST i ir NE 12TH ST 44 j III 206-0. t 214 19 Ir12r?i v 24 M r' 34 x ddrrrI-IF L .tie,:‘,-,- ,:y. g „.„ u 4. r 04 ,, ' 1. ,u . 4...... 4- " ' giAlikr 4—__:4743z. 71 C NC?21HST 4-77 m 162_5 1r 137—* <tf / vi 117 -'A 03"''''.ese 411 v•2 9illJI":.12 nr1 .,i 4) Aix, *41 2 Sit- ,; i_, c.i 0 If T IL' 7 cep IJ af. 4 'L 44g-4r41. r s 0v. r l,, I r-~ N a SG 11 j W 4 Q VJ‘ J Jr Li 1: 3\'xtibsos# 655 R T 613 ,.. G? A N e il, I ,-- Ir --, V4P ii:, i ( A , b 5 ill o Sunset Court TIA t e 2015 Existing g Z o 3C0 033 Figure 3 Perteet ' ' f: ' ' Source (,ty of Ronbn,King County Sunset Court Page 5 Traffic Impact Analysis Ally Community Development,LLC September 10,2015 File location: \\evt-files\clients\Ally Community Development,LLC\Promo Efforts\20150193-Sunset Court TIA\TIA Stuff\TIA sunset court-Draft.docx o A w L çc7 cill C--.31 4 JCP jI— 22 2 NE 12TH ST NE 12TH ST NE 12TH S1 192—r )ir 8_ 12— ,, R rn 4 224 8 v 235—, l f il, i 74 y f--75 II ii NE 12TH - 79 4 4165 S$ 1 i 11 140— ,` v ui 10 1?•I_'IH r Aibt 2 Pto -In 2 i,., a- e„; 4f-4 t 9 1- 4 11.-a j Oi,c.,. ‘ 4 I 1. 04i: &' 1/4 oi4iirttPi....'040P NN411,111'- 1. 1-'-:-,:-.: 4:-:,. 1 4 4i. 4N..ti0":bsv/, 1 4/0/. Z‘:, 7: lam' 4/ 1 920 71 o 6 oA,n0w iv o Itsy,\\ I l g>0\'‘ 1, / row f ilk ioir Z 2 a y/4 2 1 O 13 Sunset Court TIA b 00ii2017Baseline t 0 300 833 Figure 4 Perteet . ' ' 4.. ' ' ourcc Crty of Ronbn.Kng County Sunset Court Page 6 Traffic Impact Analysis Ally Community Development,LLC September 10,2015 File location: \\evt-files\clients\Ally Community Development,LLC\Promo Efforts\20150193-Sunset Court TIA\TIA Stuff\TIA sunset court-Draft.doa s U, i Z Sul Q 1Fi7 rorn Ef W r1 .. t t i* Y 30 C_31 1 1 ., 4 —237 224 y a2 11 11 NE 12TH ST 1r NE 12TH ST NE 12TH ST 46 I I 1 212 )t_ 218 41i4111 26--v tn—,-- 35—* VI 4(1 ir P_ u y o d4 4--7 1 NE 121 N S1 79u J n 165_5 J° pi 10-1/1; k-rtli/ li-' 4. 21g ) 2_ ii...,. , Sit III 0 lip, cb 112 2 r R 2 t.111111, 1 \Nor k WO 3 OC'''‘ '2 4414:. , . ... s lot 4 ;_......, i.,... . , C. s y 7Ar1#.I4N3-;. 26 ,, ` ' P" FIT r01 1 / 53 p 16 -y ye It gi sv o d35,) *''V k. li4Iro 1, 3- ikEi Sunset Court TIA b e 2017 with Development r i' 0 300 000 Figure 5 x Perteet ' ' 4. ' Source Gty of Ronan:Knp(,aunty Sunset Court Page 7 Traffic Impact Analysis Ally Community Development,LLC September 10,2015 File location: \\evt-files\clients\Ally Community Development,LLC\Promo Efforts\20150193-Sunset Court TIA\TIA Stuff\TIA sunset court-Draft.docx Table 2— LOS Analysis Summary Location 2015 2017 Baseline 2017 With Development LOS Delay(sec) LOS Delay(sec) LOS I Delay(sec) Sunset&Edmonds B 11.8 B 12.1 B 12.2 Sunset&Harrington A 5.3 A 5.3 A 5.5 Sunset&10th B 12.3 B 12.4 B 12.7 Sunset&Kirkland A 1.3 A 1.3 A 1.3 Sunset&12th B 18.8 B 19.3 B 19.3 12th&Kirkland A 8.7 A 8.8 A 8.8 12th&Harrington A 9.8 A 9.9 A 10 12th&Edmonds B 10.6 B 10.7 B 10.8 This summary reveals that the development is expected to add no more than 0.3 seconds of delay to any intersection,and in some cases none at all. This minor change in delay will not result in a change of LOS at any of the studied intersections. 5.0 Transportation Impact Fees The intersection level of service analyses indicate that none of the studied intersections will operate at a deficient level of service. Due to this,no offsite improvements are required due to this development. The City of Renton does not specify the transportation impact fee for townhouse developments. The closest equivalent fee would be the"Condominium" land use which requires a transportation impact fee of$1,180.84 per dwelling unit. For this 50-unit development,the total transportation impact fee required is$59,042.00. 6.0 Conclusions The Sunset Court Townhome development is proposed to have 50 units ranging from one to three bedrooms. This development is expected to generate 291 additional trips per day to the existing street network, with 26 of those occurring at the PM peak hour. This development is not expected to lower the level of service at any of the surrounding intersections included within the study area; therefore, the Renton Housing Authority will not be conditioned to provide any off-site improvements. Sunset Court Page 8 Traffic Impact Analysis Ally Community Development,LLC September 10,2015 File location: \\evt-files\clients\Ally Community Development,LLC\Promo Efforts\20150193-Sunset Court TIA\TIA Stuff\TIA sunset court-Draft.docx I Appendix A PM Peak Hour Traffic Counts Intersection Turning Movement Prepared by: National Data & Surveying Services Project ID: 15-2033-001 Day:Tuesday City: Renton Date: 8/11/2015 PM NS/EW Streets: Edmonds Avenue NE Edmonds Avenue NE NE 12th Street NE 12th Street NORTHBOUND SOUTHBOUND EASTBOUND WESTBOUND UTURNS NL NT NR SL ST SR EL ET ER WL WT WR TOTAL NB SB EB WB LANES: 0 1 1 0 1 0 0 1 0 0 1 0 4:00 PM 3 16 6 37 19 1 0 12 6 10 17 26 153 4:15 PM 0 19 13 29 22 0 0 6 4 11 16 35 155 4:30 PM 4 19 10 36 18 1 3 6 3 14 14 31 159 4:45 PM 4 23 10 26 25 2 0 4 1 7 12 34 148 5:00 PM 7 23 7 40 22 2 1 13 1 10 15 36 177 5:15 PM 6 26 10 30 24 2 0 6 2 12 24 44 186 5:30 PM 5 36 13 47 36 0 1 12 3 7 10 37 207 5:45 PM 2 28 13 40 14 0 0 13 6 12 16 47 191 NL NT NR SL ST SR EL ET ER WL WT WR TOTAL NB SB EB WB TOTAL VOLUMES :I 31 190 82 I 285 180 8 I 5 72 26 I 83 124 290 I 1376 I 0 I 0 I 0 I 0 APPROACH%'s: 10.23% 62.71% 27.06% 60.25% 38.05% 1.69% 4.85% 69.90% 25.24% 16.70% 24.95% 58.35% PEAK HR START TIME: 500 PM I TOTAL PEAK HR VOL: 20 113 43 I 157 96 4 I 2 44 12 I 41 65 164 761 PEAK HR FACTOR: 0.815 0.774 0.763 0.844 0.919 CONTROL : - ITM Peak Hour Summary Prepared by: NDS National Data&Surveying Services Edmonds Avenue NE and NE 12th Street,Renton Peak Hour Summary Date:8/11/2015 Southbound Approach Project#: 15-2033-001 Day: Tuesday Z Lanes 0 1 0 City: Renton c AM 0 n = 0 AM d Aw NOON 0 0 0 0 NOON AM Peak Hour c NOON Peak Hour E w PM 4 I I 157 279 PM PM Peak Hour 500 PM NE 12th Street 4 4 111 AM NOON PM AM NOON PM Lanes m C N 0 0 89a U 0 n o O CONTROL a 6 n n 1 a C. t1 0 0 n S All Way Stop r 0 L 41 0 -41 CiD l C 1 I I 0 44 00 0 0 244 Cl) 0 0 0 0 12 a) Lem* AM NOON PM AM NOON PM Court r.noa, Start End AM 0 0 0 AM AM NOON 0 0 0 0 NOON NOON PM 149 20 113 43 PM PM 4:00 PM 6:00 PM g 1 Northbound Approach Total Ins&Outs Total Volume Per Leg North Leg North Leg 0 0 AM 0 AM 0 0 NOON 0 NOON 257 279 PM 536 PM AM NOON PM I I East Leg AM NOON PM East Leg 0 0 89 i4:=3 0 0 270 0 0 III 0 0 III0058 ' 0 0 244 AM NOON PM Wett Leg AM NOON PM AM 0 0 AM 0 NOON 0 0 NOON 0 PM 149 176 PM 325 South Leg South Leg Intersection Turning Movement Prepared by: National Data &Surveying Services Project ID: 15-2033-002 Day:Tuesday City: Renton Date:8/11/2015 PM NS/EW Streets: Harrington Avenue NE Harrington Avenue NE NE 12th Street NE 12th Street NORTHBOUND SOUTHBOUND EASTBOUND WESTBOUND UTURNS NL NT NR SL ST SR EL ET ER WL WT WR TOTAL NB SB EB WB LANES: 0 1 0 0 1 0 0 1 0 0 1 0 4:00 PM 12 5 2 5 2 1 2 53 3 6 41 4 136 4:15 PM 5 4 1 4 1 2 2 36 4 5 58 6 128 4:30 PM 4 3 3 3 0 1 4 46 7 4 53 9 137 4:45 PM 6 3 1 2 2 0 1 31 6 7 47 8 114 5:00 PM 10 5 3 12 3 1 1 51 3 2 54 7 152 5:15 PM 7 0 4 6 2 7 3 41 5 3 66 12 156 5:30 PM 6 6 3 6 3 2 3 58 9 0 49 6 151 5:45 PM 8 4 4 4 1 3 1 58 7 4 63 4 161 NL NT NR SL ST SR EL ET ER WL WT WR TOTAL NB SB EB WB TOTAL VOLUMES: 58 30 21 I 42 14 17 I 17 374 44 I 31 431 56 I 1135 II I 0 I 0 I 0 I 0 APPROACH%'s: 53.21% 27.52% 19.27% 57.53% 19.18% 23.29% 3.91% 85.98% 10.11% 5.98% 83.20% 10.81% PEAK HR START TIME: 500 PM I TOTAL 5 9 208 232 620 PEAKPEAK HR HR : 31 01833 14 I 28 0.781 13 I 8 0.857 24 I 9 0.833 29 0.963 CONTROL: All Way Stop ITM Peak Hour Summary Prepared by: NDS National Data&Surveying Services Harrington Avenue NE and NE 12th Street,Renton Peak Hour Summary Date:8/11/2015 Southbound Approach Protect#: 15-2033-002 LLI Day: Tuesday Z Lanes 0 1 0 City. Renton AM = E] = 0 AM m Q Ag NOON 0 0 0 0 NOON AM Peak Hour s NOON Peak Hour PM 13 52 PM I PM Peak Hour 500 PM NE 12th Street 1 t to 4 AM NOON PM AM NOON PM Lanes m 0, I 0 O U 0 0 276 n 1^II 1 Fr n ®QOCONTROLal01 1 a 11 0 0 8 All Way Stop 0 0 0 0 dr - 0 0 208 y 0 o 0 v o 0 24 o 0 250 Cl)' Lanes AM NOON PM AM NOON PM 11 3 t Cot.Period. Stan End AM 0 LI 0 0 AM AM NOON 0 0 0 n NOON NOON PM 42 n 15 14 PM PM 4:00 PM 6:00 P.'i Northbound Approach Total Ins&Outs Total Volume Per Leg North Leg North Leg 0 0 AM 0 AM 0 0 NOON 0 NOON 50 52 PM 102 PM AM NOON PM I • Ent Leg . AM NOON PM East Les 0 0 276 i4=1 4=1 0 0 270 0 0 III 0 0 520 0 0 240 0 0 250 AM NOON PM West Leg AM NOON PM AM 0 0 AM 0 NOON 0 0 NOON 0 PM 42 60 PM 102 South Lag South Leg Intersection Turning Movement Prepared by: National Data &Surveying Services Project ID: 15-2033-003 Day:Tuesday City: Renton Date: 8/11/2015 PM NS/EW Streets: Kirkland Avenue NE Kirkland Avenue NE NE 12th Street NE 12th Street NORTHBOUND SOUTHBOUND EASTBOUND WESTBOUND UTURNS NL NT NR SL ST SR EL ET ER WL WT WR TOTAL NB SB EB WB LANES: 0 1 0 0 1 0 0 2 0 0 2 0 4:00 PM 9 5 0 7 10 3 10 53 5 1 46 4 153 4:15 PM 5 8 0 15 9 3 3 45 4 1 56 7 156 4:30 PM 4 5 0 9 2 5 8 42 7 0 60 5 147 4:45 PM 2 7 1 11 6 3 3 38 2 0 62 8 143 5:00 PM 6 12 0 9 10 0 4 55 8 2 44 10 160 5:15 PM 6 9 0 13 9 6 6 46 7 5 71 7 185 5:30 PM 6 9 1 9 7 8 1 62 10 1 46 8 168 5:45 PM 9 9 2 8 7 8 8 51 9 3 57 5 176 NL NT NR SL ST SR EL ET ER WL WT WR TOTAL NB SB EB WB TOTAL VOLUMES:I 47 64 4 I 81 60 36 I 43 392 52 I 13 442 54 I 1288 I I 0 I 0 I 0 I 0 APPROACH%'s: 40.87% 55.65% 3.48% 45.76% 33.90% 20.34% 8.83% 80.49% 10.68% 2.55% 86.84% 10.61% PEAK HR START TIME: 500 PM I TOTAL PEAK HR VOL: 27 39 3 I 39 33 22 I 19 214 34 I 11 218 30 689 PEAK HR FACTOR: 0.863 0.839 0.914 0.780 0.931 CONTROL: All Way Stop ITM Peak Hour Summary Prepared by: NDS National Data&Surveying Services Kirkland Avenue NE and NE 12th Street,Renton Peak Hour Summary Date:8/11/2015 Southbound Approach Project#: 15-2033-003 Day: Tuesday z Lanes 0 1 0 City:Renton AM E] rn EJ 0 AM A NOON 0 0 PM = = = 0 0 NOON AM Peak Hour c NOON Peak Hour PM 22 = 39 88 PM PM Peak Hour 500 PM NE 12th Street 410 4 14 4 AM NOON PM AM NOON PM Lanes m c CI)CM 0 0 267 0 n {^I '1 0 C.) O CONTROL 4 ° n D 2 Q oCLJAllWayStop a 0 0 19 0 0 11 0 C 2 n 0 El- co 0 0 256 fn n 0 34 i S Lanes AM NOON PM AM NOON PM co.mw.wos Start End AM 0 AM AM NOON 0 n n n NOON NOON PM 78 27 39 1 1 PM PM 4.00 PM 6.00 PM U 1 ., Northbound Approach Total Ins&Outs Total Volume Per Leg North Leg North Log 0 0 AM 0 AM 0 0 NOON 0 NOON 94 88 PM 182 PM AM NOON PM I j East Leg AM NOON PM East Leg 0 0 267 4=3 0 0 259 0 0 1111 0 0 El00267C=> 0 0 256 wrypisiLl Q AM NOON PM West Leg AM NOON PM AM 0 0 AM 0 NOON 0 0 NOON 0 PM 78 69 PM 147 South Leg South Leg Appendix B Synchro Calculation Worksheets HCM 2010 AWSC 373: Edmonds AV NE & NE 12th St 9/10/2015 Intersection Intersection Delay, s/veh 10.7 Intersection LOS B Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT NBI Vol,veh/h 0 2 44 12 0 41 65 164 0 20 113 43 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 2 49 13 0 46 72 182 0 22 126 48 Number of Lanes 0 0 1 0 0 0 1 0 0 0 1 1 APProwit EB WB NB Opposing Approach WB EB SB Opposing Lanes 1 1 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 2 1 Conflicting Approach Right NB SB WB Conflicting Lanes Right 2 1 1 HCM Control Delay 9.2 11.3 9.9 HCM LOS A B A NBLn1 NBLn2 EBLnn WBI,n1 SBLn1 Vol Left,% 15% 0% 3% 15% 2% Vol Thru,% 85% 0% 76% 24% 37% Vol Right,% 0% 100% 21% 61% 61% Sign Control Stop Stop Stop Stop Stop Traffic Vol by Lane 133 43 58 270 257 LT Vol 20 0 2 41 4 Through Vol 113 0 44 65 96 RT Vol 0 43 12 164 157 Lane Flow Rate 148 48 64 300 286 Geometry Grp 7 7 2 2 5 Degree of Util(X) 0.243 0.068 0.099 0.404 0.392 Departure Headway(Hd) 5.922 5.136 5.549 4.975 4.942 Convergence,YIN Yes Yes Yes Yes Yes Cap 609 700 646 729 731 Service Time 3.633 2.848 3.576 2.975 2.952 HCM Lane V/C Ratio 0.243 0.069 0.099 0.412 0.391 HCM Control Delay 10.5 8.2 9.2 11.3 11.1 HCM Lane LOS B A A BB HCM 95th-tile Q 0.9 0.2 0.3 2 1.9 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 373: Edmonds AV NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 4 96 157 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 4 107 174 Number of Lanes 0 0 1 0 APD .Se Opposing Approach NB Opposing Lanes 2 Conflicting Approach Left WB Conflicting Lanes Left 1 Conflicting Approach Right EB Conflicting Lanes Right 1 HCM Control Delay 11.1 HCM LOS B Lane t PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 AWSC 378: Harrington Ave NE & NE 12th St 9/10/2015 Intaraes ion Intersection Delay,s/veh 9.8 Intersection LOS A Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT N Vol,veh/h 0 8 208 24 0 9 232 29 0 31 15 14 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 9 231 27 0 10 258 32 0 34 17 16 Number of Lanes 0 0 1 0 0 0 1 0 0 0 1 0 APProstaiMMIV.EB WB NB Opposing Approach WB EB SB Opposing Lanes 1 1 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 1 1 Conflicting Approach Right NB SB WB Conflicting Lanes Right 1 1 1 HCM Control Delay 9.9 10.2 8.9 HCM LOS A B A 14131.0 EIVA1 U1SLn1 S$tn1 Vol Left,% 52% 3% 3% 56% Vol Thru,% 25% 87% 86% 18% Vol Right,% 23% 10% 11% 26% Sign Control Stop Stop Stop Stop Traffic Vol by Lane 60 240 270 50 LT Vol 31 8 9 28 Through Vol 15 208 232 9 RT Vol 14 24 29 13 Lane Flow Rate 67 267 300 56 Geometry Grp 1 1 1 1 Degree of Util(X) 0.097 0.336 0.374 0.081 Departure Headway(Hd) 5.241 4.53 4.49 5.252 Convergence,YIN Yes Yes Yes Yes Cap 680 792 801 678 Service Time 3.304 2.567 2.528 3.317 HCM Lane V/C Ratio 0.099 0.337 0.375 0.083 HCM Control Delay 8.9 9.9 10.2 8.8 HCM Lane LOS A A B A HCM 95th-tile Q 0.3 1.5 1.7 0.3 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 378: Harrington Ave NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Mover .. SBU SBL SBT SBR Vol,veh/h 0 28 9 13 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 31 10 14 Number of Lanes 0 0 1 0 ADIVOath SB Opposing Approach NB Opposing Lanes 1 Conflicting Approach Left WB Conflicting Lanes Left 1 Conflicting Approach Right EB Conflicting Lanes Right 1 HCM Control Delay 8.8 HCM LOS A tea PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 AWSC 374: NE 12th St 9/10/2015 Intersection Intersection Delay, s/veh 9.4 Intersection LOS A Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT NBI Vol,veh/h 0 19 214 34 0 11 218 30 0 27 39 3 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 21 238 38 0 12 242 33 0 30 43 3 Number of Lanes 0 0 2 0 0 0 2 0 0 0 1 0 ES W Na; Opposing Approach WB EB SB Opposing Lanes 2 2 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 1 2 Conflicting Approach Right NB SB WB Conflicting Lanes Right 1 1 2 HCM Control Delay 9.5 9.4 9.3 HCM LOS A A A III NBLn1 EBLn1 EBLn2 WBLn1 WBLn2 SBLn1 Vol Left,% 39% 15% 0% 9% 0% 41 Vol Thru,% 57% 85% 76% 91% 78% 35% Vol Right,% 4% 0% 24% 0% 22% 23% Sign Control Stop Stop Stop Stop Stop Stop Traffic Vol by Lane 69 126 141 120 139 94 LT Vol 27 19 0 11 0 39 Through Vol 39 107 107 109 109 33 RT Vol 3 0 34 0 30 22 Lane Flow Rate 77 140 157 133 154 104 Geometry Grp 2 7 7 7 7 2 Degree of Util(X) 0.117 0.209 0.224 0.199 0.222 0.154 Departure Headway(Hd) 5.474 5.383 5.137 5.362 5.164 5.318 Convergence,Y/N Yes Yes Yes Yes Yes Yes Cap 649 662 694 665 690 668 Service Time 3.56 3.153 2.907 3.132 2.934 3.4 HCM Lane V/C Ratio 0.119 0.211 0.226 0.2 0.223 0.156 HCM Control Delay 9.3 9.6 9.4 9.5 9.4 9.4 HCM Lane LOS A A A A A A HCM 95th-tile Q 0.4 0.8 0.9 0.7 0.8 0.5 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 374: NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 39 33 22 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 43 37 24 Number of Lanes 0 0 1 0 AMMO . Opposing Approach NB Opposing Lanes 1 Conflicting Approach Left WB Conflicting Lanes Left 2 Conflicting Approach Right EB Conflicting Lanes Right 2 HCM Control Delay 9.4 HCM LOS A PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 4. 4i+ ft f t+ Volume(veh/h) 162 137 10 77 74 43 25 874 100 67 674 125 Number 7 4 14 3 8 18 1 6 16 5 2 12 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1900 1863 1900 1900 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 176 167 16 100 88 68 32 930 116 88 741 152 Adj No.of Lanes 0 2 0 0 2 0 1 2 0 1 2 0 Peak Hour Factor 0.92 0.82 0.63 0.77 0.84 0.63 0.78 0.94 0.86 0.76 0.91 0.82 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 253 265 26 163 149 118 79 1069 133 401 1556 319 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.15 0.15 0.15 0.12 0.12 0.12 0.04 0.34 0.32 0.23 0.53 0.52 Ln Grp Delay,s/veh 36.8 0.0 35.2 37.1 0.0 36.6 42.0 40.7 40.7 25.6 13.5 13.6 Ln Grp LOS D D D DDDDC B B Approach Vol,veh/h 359 256 1078 981 Approach Delay,s/veh 36.0 36.9 40.7 14.6 Approach LOS D 0 D B Timer: 1 2 3 4 5 6 7 8 Assigned Phs 1 2 8 4 6 5 Case No 2.0 4.0 12.0 12.0 4.0 2.0 Phs Duration(G+Y+Rc),s 6.5 45.5 12.9 15.0 30.0 22.1 Change Period(Y+Rc),s 4.0 5.0 4.0 4.0 *5 5.0 Max Green(Gmax),s 6.0 25.0 16.0 16.0 *25 6.0 Max Allow Headway(MAH),s 5.3 7.1 6.3 5.5 7.3 7.1 Max Q Clear(g_c+11),s 3.4 14.8 7.7 10.0 24.0 5.2 Green Ext Time(g_e),s 0.0 6.5 1.2 1.1 0.8 0.0 Prob of Phs Call(p_c) 0.51 1.00 1.00 1.00 1.00 0.86 Prob of Max Out(p_x) 1.00 0.00 0.54 0.83 0.00 1.00 Left-Turn Movement Data Assigned Mvmt 1 3 7 5 Mvmt Sat Flow,veh/h 1774 1323 1680 1774 Through Movement Data Assigned Mvmt 2 8 4 6 Mvmt Sat Flow,veh/h 2926 1209 1762 3168 Right-Turn Movement Data I Assigned Mvmt 12 18 14 16 Mvmt Sat Flow.vehlh 600 958 170 395 Left Lane Group Data I Assigned Mvmt 1 0 3 7 0 5 0 0 Lane Assignment Prot) L+T L+T Prot) Lanes in Grp 1 0 1 1 0 1 0 0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 Grp Vol(v),veh/h 32 0 136 186 0 88 0 0 Grp Sat Flow(s),veh/h/In 1774 0 1797 1779 0 1774 0 0 Q Serve Time(g_s),s 1.4 0.0 5.7 8.0 0.0 3.2 0.0 0.0 Cycle Q Clear Time(g_c),s 1.4 0.0 5.7 8.0 0.0 3.2 0.0 0.0 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 0 0 0 0 0 Shared LT Sat Flow(s_sh),veh/h/ln 0 0 0 0 0 0 0 0 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Time to First Blk(g_f),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop LT Inside Lane(P_L) 1.00 0.00 0.74 0.94 0.00 1.00 0.00 0.00 Lane Grp Cap(c),veh/h 79 0 222 268 0 401 0 0 V/C Ratio(X) 0.41 0.00 0.61 0.70 0.00 0.22 0.00 0.00 Avail Cap(c_a),veh/h 155 0 382 378 0 401 0 0 Upstream Filter(I)1.00 0.00 1.00 1.00 0.00 1.00 0.00 0.00 Uniform Delay(d1),s/veh 37.2 0.0 33.3 32.2 0.0 25.2 0.0 0.0 Incr Delay(d2),s/veh 4.8 0.0 3.9 4.6 0.0 0.4 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 42.0 0.0 37.1 36.8 0.0 25.6 0.0 0.0 1st-Term Q(Q1),veh/In 0.7 0.0 2.8 3.9 0.0 1.6 0.0 0.0 2nd-Term Q(Q2),veh/In 0.1 0.0 0.2 0.3 0.0 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 1.00 1.00 0.00 1.00 0.00 0.00 ile Back of Q(50%),veh/In 0.8 0.0 3.1 4.2 0.0 1.6 0.0 0.0 ile Storage Ratio(RQ%) 0.13 0.00 0.15 0.50 0.00 0.28 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 0 2 8 4 6 0 0 0 Lane Assignment T T Lanes in Grp 0 1 0 0 1 0 0 0 Grp Vol(v),veh/h 0 448 0 0 520 0 0 0 Grp Sat Flow(s),veh/h/In 0 1770 0 0 1770 0 0 0 Q Serve Time(g_s),s 0.0 12.7 0.0 0.0 22.0 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 12.7 0.0 0.0 22.0 0.0 0.0 0.0 Lane Grp Cap(c),veh/h 0 941 0 0 597 0 0 0 V/C Ratio(X) 0.00 0.48 0.00 0.00 0.87 0.00 0.00 0.00 Avail Cap(c_a),veh/h 0 941 0 0 597 0 0 0 Upstream Filter(I)0.00 1.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 0.0 11.7 0.0 0.0 24.9 0.0 0.0 0.0 Incr Delay(d2),s/veh 0.0 1.7 0.0 0.0 15.9 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 13.5 0.0 0.0 40.7 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 0.0 6.1 0.0 0.0 10.7 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.0 0.5 0.0 0.0 2.6 0.0 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 ile Back of Q(50%),veh/In 0.0 6.5 0.0 0.0 13.3 0.0 0.0 0.0 ile Storage Ratio(RQ%)0.00 0.17 0.00 0.00 0.26 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(Cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Nita Assigned Mvmt 0 12 18 14 16 0 0 0 Lane Assignment T+R T+R T+R T+R Lanes in Grp 0 1 1 1 1 0 0 0 Grp Vol(v),veh/h 0 445 120 173 526 0 0 0 Grp Sat Flow(s),veh/h/In 0 1757 1694 1833 1793 0 0 0 Q Serve Time(g_s),s 0.0 12.8 5.4 7.1 22.0 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 12.8 5.4 7.1 22.0 0.0 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.00 0.34 0.57 0.09 0.22 0.00 0.00 0.00 Lane Grp Cap(c),veh/h 0 934 209 276 605 0 0 0 V/C Ratio(X) 0.00 0.48 0.58 0.63 0.87 0.00 0.00 0.00 Avail Cap(c_a),veh/h 0 934 360 389 605 0 0 0 Upstream Filter(I)0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 0.0 11.9 33.1 31.9 25.0 0.0 0.0 0.0 Incr Delay(d2),s/veh 0.0 1.7 3.5 3.3 15.7 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 13.6 36.6 35.2 40.7 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 0.0 6.1 2.5 3.5 10.8 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.0 0.5 0.2 0.3 2.6 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 ile Back of Q(50%),veh/In 0.0 6.5 2.7 3.8 13.5 0.0 0.0 0.0 ile Storage Ratio(RQ%)0.00 0.17 0.13 0.45 0.26 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 30.1 HCM 2010 LOS C User approved pedestrian interval to be less than phase max green. HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBFI Lane Configurations 4 4 ti 1, Volume(veh/h) 13 44 23 102 34 33 38 984 135 60 877 7 Number 7 4 14 3 8 18 1 6 16 5 2 12 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1900 1863 1900 1900 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 20 48 24 152 44 52 56 1025 175 72 933 8 Adj No.of Lanes 0 1 0 0 1 0 1 2 0 1 2 0 Peak Hour Factor 0.65 0.92 0.96 0.67 0.77 0.63 0.68 0.96 0.77 0.83 0.94 0.88 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 104 223 96 264 65 68 310 1845 315 115 1753 15 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.21 0.21 0.21 0.21 0.21 0.21 0.17 0.61 0.60 0.06 0.49 0.47 Ln Grp Delay,s/veh 26.7 0.0 0.0 32.7 0.0 0.0 28.5 10.9 11.0 44.2 16.5 16.4 Ln Grp LOS C C C B B D B B Approach Vol,veh/h 92 248 1256 1013 Approach Delay,s/veh 26.7 32.7 11.7 18.5 Approach LOS C C B B Assigned Phs 2 1 4 5 6 8 Case No 4.0 2.0 8.0 2.0 4.0 8.0 Phs Duration(G+Y+Rc),s 42.0 18.0 20.0 8.2 51.8 20.0 Change Period(Y+Rc),s 5 5.0 4.0 4.0 5.0 4.0 Max Green(Gmax),s 37 6.0 24.0 9.0 34.0 24.0 Max Allow Headway(MAH),s 8.5 8.3 6.7 5.2 8.3 6.7 Max Q Clear(g_c+11),s 16.4 4.2 5.4 5.2 18.1 14.0 Green Ext Time(g_e),s 13.2 0.1 2.9 0.1 12.9 2.0 Prob of Phs Call(p_c) 1.00 0.71 1.00 0.80 1.00 1.00 Prob of Max Out(p_x) 0.00 1.00 0.06 1.00 0.00 0.46 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow.veh/h 1774 233 1774 897 Through Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow,veh h 3596 1046 3026 303 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow.vehih 31 451 516 319 Left Lane Group Data Assigned Mvmt 0 1 0 7 5 0 0 3 Lane Assignment Prot) L+T+R (Prot) L+T+R Lanes in Grp 0 1 0 1 1 0 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 Grp Vol(v),veh/h 0 56 0 92 72 0 0 248 Grp Sat Flow(s),veh/h/In 0 1774 0 1730 1774 0 0 1519 Q Serve Time(g_s),s 0.0 2.2 0.0 0.0 3.2 0.0 0.0 8.6 Cycle Q Clear Time(g_c),s 0.0 2.2 0.0 3.4 3.2 0.0 0.0 12.0 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 1320 0 0 0 1349 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 1760 0 0 0 1807 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 17.0 0.0 0.0 0.0 17.0 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 5.0 0.0 0.0 0.0 13.6 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.6 Time to First Blk(g_f),s 0.0 0.0 0.0 6.3 0.0 0.0 0.0 0.5 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 3.4 0.0 0.0 0.0 0.5 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 0.22 1.00 0.00 0.00 0.61 Lane Grp Cap(c),veh/h 0 310 0 423 115 0 0 396 V/C Ratio(X) 0.00 0.18 0.00 0.22 0.63 0.00 0.00 0.63 Avail Cap(c_a),veh/h 0 310 0 586 222 0 0 540 Upstream Filter(I) 0.00 0.82 0.00 1.00 1.00 0.00 0.00 1.00 Uniform Delay(d1),s/veh 0.0 28.1 0.0 26.1 36.5 0.0 0.0 29.2 Incr Delay(d2),s/veh 0.0 0.3 0.0 0.5 7.7 0.0 0.0 3.5 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 28.5 0.0 26.7 44.2 0.0 0.0 32.7 1st-Term Q(01),veh/In 0.0 1.1 0.0 1.7 1.6 0.0 0.0 5.1 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.4 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 1.1 0.0 1.8 1.8 0.0 0.0 5.5 ile Storage Ratio(RQ%) 0.00 0.16 0.00 0.23 0.27 0.00 0.00 0.25 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 a.` Assigned Mvmt 2 0 0 4 0 6 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 459 0 0 0 0 599 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 0 1770 0 0 Q Serve Time(g_s),s 14.4 0.0 0.0 0.0 0.0 16.0 0.0 0.0 Cycle Q Clear Time(g_c),s 14.4 0.0 0.0 0.0 0.0 16.0 0.0 0.0 Lane Grp Cap(c),veh/h 863 0 0 0 0 1079 0 0 V/C Ratio(X) 0.53 0.00 0.00 0.00 0.00 0.55 0.00 0.00 Avail Cap(c_a),veh/h 863 0 0 0 0 1079 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.82 0.00 0.00 Uniform Delay(d1),s/veh 14.2 0.0 0.0 0.0 0.0 9.2 0.0 0.0 lncr Delay(d2),s/veh 2.3 0.0 0.0 0.0 0.0 1.7 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.5 0.0 0.0 0.0 0.0 10.9 0.0 0.0 1st-Term Q(Q1),veh/In 7.0 0.0 0.0 0.0 0.0 7.7 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 0.0 0.5 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 7.6 0.0 0.0 0.0 0.0 8.2 0.0 0.0 ile Storage Ratio(RQ%) 0.14 0.00 0.00 0.00 0.00 0.54 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 12 0 0 14 0 16 0 18 Lane Assignment T+R T+R Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 482 0 0 0 0 601 0 0 Grp Sat Flow(s),veh/h/In 1857 0 0 0 0 1772 0 0 Q Serve Time(g_s),s 14.4 0.0 0.0 0.0 0.0 16.1 0.0 0.0 Cycle Q Clear Time(g_c),s 14.4 0.0 0.0 0.0 0.0 16.1 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.02 0.00 0.00 0.26 0.00 0.29 0.00 0.21 Lane Grp Cap(c),veh/h 905 0 0 0 0 1081 0 0 V/C Ratio(X) 0.53 0.00 0.00 0.00 0.00 0.56 0.00 0.00 Avail Cap(c_a),veh/h 905 0 0 0 0 1081 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.82 0.00 0.00 Uniform Delay(d1),s/veh 14.2 0.0 0.0 0.0 0.0 9.3 0.0 0.0 Incr Delay(d2),s/veh 2.2 0.0 0.0 0.0 0.0 1.7 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.4 0.0 0.0 0.0 0.0 11.0 0.0 0.0 1st-Term Q(Q1),veh/In 7.4 0.0 0.0 0.0 0.0 7.7 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 0.0 0.5 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 7.9 0.0 0.0 0.0 0.0 8.2 0.0 0.0 ile Storage Ratio(RQ%) 0.15 0.00 0.00 0.00 0.00 0.55 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 16.9 HCM 2010 LOS B HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 f - r - k 4\t t \* 1 4/ Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 4'1 ti j 1+I I, Volume(veh/h) 122 1183 80 38 797 7 47 23 26 5 37 104 Number 1 6 16 5 2 12 7 4 14 3 8 18 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1863 1863 1900 1863 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 144 1245 113 44 896 12 56 44 36 8 56 124 Adj No.of Lanes 1 2 0 1 2 0 1 1 0 1 1 0 Peak Hour Factor 0.85 0.95 0.71 0.86 0.89 0.58 0.84 0.52 0.72 0.63 0.66 0.84 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 590 2097 190 78 1207 16 220 195 159 308 106 235 HCM Platoon Ratio 1.33 1.33 1.33 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.44 0.85 0.83 0.04 0.34 0.32 0.20 0.20 0.20 0.20 0.20 0.20 Ln Grp Delay,slveh 16.2 4.4 4.5 46.5 31.5 31.2 34.2 0.0 27.0 28.0 0.0 30.2 Ln Grp LOS B A A DCCC C C C Approach Vol,veh/h 1502 952 136 188 Approach Delay,s/veh 5.6 32.1 30.0 30.1 Approach LOS A C C C Timer: 1 2 3 4 5 6 7 8 Assigned Phs 2 1 4 5 6 8 Case No 4.0 2.0 6.0 2.0 4.0 6.0 Phs Duration(G+Y+Rc),s 30.0 30.6 19.4 6.5 54.1 19.4 Change Period(Y+Rc),s 5 5.0 4.0 4.0 5.0 4.0 Max Green(Gmax),s 25 14.0 28.0 8.0 31.0 28.0 Max Allow Headway(MAH),s 8.2 8.0 6.3 6.5 8.0 6.3 Max Q Clear(g_c+11),s 19.7 6.1 13.2 3.9 11.4 9.7 Green Ext Time(g_e),s 3.9 2.4 2.2 0.1 16.7 2.4 Prob of Phs Call(p_c) 1.00 0.96 1.00 0.62 1.00 1.00 Prob of Max Out(p_x) 0.00 1.00 0.10 1.00 0.00 0.04 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow,veh/h 1774 1199 1774 1313 Through Movement Data t Assigned Mvmt 2 4 6 8 Mvmt Sat Flow veh/h 3576 949 3283 517 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow,veh/h 48 777 297 1144 Left Lane Group Data Assigned Mvmt 0 1 0 7 5 0 0 3 Lane Assignment Prot) Prot) Lanes in Grp 0 1 0 1 1 0 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 Grp Vol(v),veh/h 0 144 0 56 44 0 0 8 Grp Sat Flow(s),veh/h/In 0 1774 0 1199 1774 0 0 1313 Q Serve Time(g_s),s 0.0 4.1 0.0 3.5 1.9 0.0 0.0 0.4 Cycle Q Clear Time(g_c),s 0.0 4.1 0.0 11.2 1.9 0.0 0.0 3.5 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 1199 0 0 0 1313 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 0 0 0 0 0 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 16.4 0.0 0.0 0.0 16.4 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 8.7 0.0 0.0 0.0 13.3 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 3.5 0.0 0.0 0.0 0.4 Time to First Blk(g_f),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 Lane Grp Cap(c),veh/h 0 590 0 220 78 0 0 308 V/C Ratio(X) 0.00 0.24 0.00 0.25 0.57 0.00 0.00 0.03 Avail Cap(c_a),veh/h 0 590 0 409 200 0 0 515 Upstream Filter(I) 0.00 0.69 0.00 1.00 1.00 0.00 0.00 1.00 Uniform Delay(d1),s/veh 0.0 16.0 0.0 33.4 37.5 0.0 0.0 28.0 Incr Delay(d2),s/veh 0.0 0.2 0.0 0.9 9.0 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 16.2 0.0 34.2 46.5 0.0 0.0 28.0 1st-Term Q(Q1),veh/In 0.0 2.0 0.0 1.2 1.0 0.0 0.0 0.1 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 2.0 0.0 1.2 1.1 0.0 0.0 0.2 ile Storage Ratio(RQ%) 0.00 0.23 0.00 0.06 0.12 0.00 0.00 0.01 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 2 0 0 4 0 6 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 443 0 0 0 0 670 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 0 1770 0 0 Q Serve Time(g_s),s 17.7 0.0 0.0 0.0 0.0 9.2 0.0 0.0 Cycle Q Clear Time(g_c),s 17.7 0.0 0.0 0.0 0.0 9.2 0.0 0.0 Lane Grp Cap(c),veh/h 597 0 0 0 0 1130 0 0 V/C Ratio(X) 0.74 0.00 0.00 0.00 0.00 0.59 0.00 0.00 Avail Cap(c_a),veh/h 597 0 0 0 0 1130 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.69 0.00 0.00 Uniform Delay(d1),s/veh 23.4 0.0 0.0 0.0 0.0 2.9 0.0 0.0 Incr Delay(d2),s/veh 8.1 0.0 0.0 0.0 0.0 1.6 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 31.5 0.0 0.0 0.0 0.0 4.4 0.0 0.0 1st-Term Q(Q1),veh/In 8.6 0.0 0.0 0.0 0.0 4.2 0.0 0.0 2nd-Term Q(Q2),veh/In 1.3 0.0 0.0 0.0 0.0 0.5 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 10.0 0.0 0.0 0.0 0.0 4.7 0.0 0.0 ile Storage Ratio(RQ%) 0.28 0.00 0.00 0.00 0.00 0.31 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Data Assigned Mvmt 12 0 0 14 0 16 0 18 Lane Assignment T+R T+R T+R T+R Lanes in Grp 1 0 0 1 0 1 0 1 Grp Vol(v),veh/h 465 0 0 80 0 688 0 180 Grp Sat Flow(s),veh/h/In 1854 0 0 1726 0 1810 0 1661 Q Serve Time(g_s),s 17.7 0.0 0.0 3.1 0.0 9.4 0.0 7.7 Cycle Q Clear Time(g_c),s 17.7 0.0 0.0 3.1 0.0 9.4 0.0 7.7 Prot RT Sat Flow(s_R),veh/h/ln 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.03 0.00 0.00 0.45 0.00 0.16 0.00 0.69 Lane Grp Cap(c),veh/h 626 0 0 354 0 1156 0 340 V/C Ratio(X) 0.74 0.00 0.00 0.23 0.00 0.60 0.00 0.53 Avail Cap(c_a),veh/h 626 0 0 626 0 1156 0 602 Upstream Filter(I)1.00 0.00 0.00 1.00 0.00 0.69 0.00 1.00 Uniform Delay(d1),s/veh 23.4 0.0 0.0 26.5 0.0 2.9 0.0 28.4 Incr Delay(d2),s/veh 7.8 0.0 0.0 0.5 0.0 1.6 0.0 1.8 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 31.2 0.0 0.0 27.0 0.0 4.5 0.0 30.2 1st-Term Q(Q1),veh/In 9.0 0.0 0.0 1.5 0.0 4.4 0.0 3.6 2nd-Term Q(Q2),veh/In 1.4 0.0 0.0 0.0 0.0 0.5 0.0 0.2 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 Ile Back of Q(50%),veh/In 10.4 0.0 0.0 1.5 0.0 4.9 0.0 3.7 ile Storage Ratio(RQ%) 0.30 0.00 0.00 0.08 0.00 0.32 0.00 0.18 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 17.5 HCM 2010 LOS B HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 J -+. - ' c 4\f /* 1 4/ Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations f t 1'i 4+4+ Volume(veh/h) 21 1133 43 65 908 3 36 8 66 8 16 19 Number 1 6 16 5 2 12 7 4 14 3 8 18 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1863 1863 1900 1863 1863 1900 1900 1863 1900 1900 1863 1900 Adj Flow Rate,veh/h 28 1259 60 76 987 8 40 16 88 12 28 32 Adj No.of Lanes 1 2 0 1 2 0 0 1 0 0 1 0 Peak Hour Factor 0.75 0.90 0.72 0.86 0.92 0.38 0.90 0.50 0.75 0.67 0.57 0.59 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 468 1634 78 491 1754 14 103 38 131 74 108 103 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.26 0.47 0.46 0.28 0.49 0.47 0.14 0.14 0.14 0.14 0.14 0.14 Ln Grp Delay,s/veh 22.1 24.1 24.0 22.1 16.9 16.8 35.0 0.0 0.0 31.8 0.0 0.0 Ln Grp LOS C C C C B B C C Approach Vol,veh/h 1347 1071 144 72 Approach Delay,s/veh 24.0 17.2 35.0 31.8 Approach LOS C B C C Timer: 1 2 3 4 d. .;.1 7 8 Assigned Phs 2 1 4 6 5 8 Case No 4.0 2.0 8.0 4.0 2.0 8.0 Phs Duration(G+Y+Rc),s 42.0 24.1 13.9 41.0 25.1 13.9 Change Period(Y+Rc),s 5.0 4.0 4.0 5.0 4.0 4.0 Max Green(Gmax),s 37.0 6.0 24.0 36.0 7.0 24.0 Max Allow Headway(MAH),s 9.2 5.1 5.8 9.2 5.1 5.8 Max Q Clear(g_c+11),s 17.5 2.9 8.8 26.3 4.6 5.0 Green Ext Time(g_e),s 14.3 0.1 1.2 8.9 0.1 1.3 Prob of Phs Call(p_c) 1.00 0.46 0.99 1.00 0.82 0.99 Prob of Max Out(p_x) 0.00 1.00 0.02 0.00 1.00 0.00 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow veh'h 1774 334 1774 158 Through Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow,veh/h 3598 281 3440 791 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow veh h 29 966 164 759 Left Lane Group Data i, Assigned Mvmt 0 1 0 7 0 5 0 3 Lane Assignment Prot) L+T+R Prot) L+T+R Lanes in Grp 0 1 0 1 0 1 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 Grp Vol(v),veh/h 0 28 0 144 0 76 0 72 Grp Sat Flow(s),veh/h/In 0 1774 0 1580 0 1774 0 1707 Q Serve Time(g_s),s 0.0 0.9 0.0 3.8 0.0 2.6 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 0.9 0.0 6.8 0.0 2.6 0.0 3.0 Perm LT Sat Flow(s_I),veh/h/ln 0 0 0 1364 0 0 0 1311 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 1837 0 0 0 1847 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 10.9 0.0 0.0 0.0 10.9 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 7.9 0.0 0.0 0.0 4.1 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 3.8 0.0 0.0 0.0 0.0 Time to First Blk(g_f),s 0.0 0.0 0.0 2.4 0.0 0.0 0.0 4.8 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 2.4 0.0 0.0 0.0 3.0 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 0.28 0.00 1.00 0.00 0.17 Lane Grp Cap(c),veh/h 0 468 0 272 0 491 0 285 V/C Ratio(X) 0.00 0.06 0.00 0.53 0.00 0.15 0.00 0.25 Avail Cap(c_a),veh/h 0 468 0 543 0 491 0 570 Upstream Filter(I) 0.00 1.00 0.00 1.00 0.00 0.90 0.00 1.00 Uniform Delay(d1),s/veh 0.0 22.0 0.0 32.7 0.0 21.9 0.0 31.2 Incr Delay(d2),s/veh 0.0 0.1 0.0 2.3 0.0 0.2 0.0 0.7 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 22.1 0.0 35.0 0.0 22.1 0.0 31.8 1st-Term Q(Q1),veh/In 0.0 0.5 0.0 3.0 0.0 1.3 0.0 1.4 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.1 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f B%) 0.00 1.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 0.5 0.0 3.2 0.0 1.3 0.0 1.5 ile Storage Ratio(RQ%) 0.00 0.08 0.00 0.06 0.00 0.22 0.00 0.10 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 2 0 0 4 6 0 0 8 Lane Assignment T T Lanes in Gm 1 0 0 0 1 0 0 0 Grp Vol(v),veh/h 485 0 0 0 647 0 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 1770 0 0 0 Q Serve Time(g_s),s 15.5 0.0 0.0 0.0 24.2 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 15.5 0.0 0.0 0.0 24.2 0.0 0.0 0.0 Lane Grp Cap(c),veh/h 863 0 0 0 841 0 0 0 V/C Ratio(X) 0.56 0.00 0.00 0.00 0.77 0.00 0.00 0.00 Avail Cap(c_a),veh/h 863 0 0 0 841 0 0 0 Upstream Filter(I) 0.90 0.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 14.5 0.0 0.0 0.0 17.4 0.0 0.0 0.0 Incr Delay(d2),s/veh 2.4 0.0 0.0 0.0 6.7 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.9 0.0 0.0 0.0 24.1 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 7.6 0.0 0.0 0.0 11.7 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 1.6 0.0 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 8.1 0.0 0.0 0.0 13.3 0.0 0.0 0.0 Ile Storage Ratio(RQ%) 0.54 0.00 0.00 0.00 1.33 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Data Assigned Mvmt 12 0 0 14 16 0 0 18 Lane Assignment T+R T+R Lanes in Grp 1 0 0 0 1 0 0 0 Grp Vol(v),veh/h 510 0 0 0 672 0 0 0 Grp Sat Flow(s),veh/h/In 1858 0 0 0 1834 0 0 0 Q Serve Time(g_s),s 15.5 0.0 0.0 0.0 24.3 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 15.5 0.0 0.0 0.0 24.3 0.0 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.02 0.00 0.00 0.61 0.09 0.00 0.00 0.44 Lane Grp Cap(c),veh/h 906 0 0 0 871 0 0 0 V/C Ratio(X) 0.56 0.00 0.00 0.00 0.77 0.00 0.00 0.00 Avail Cap(c_a),veh/h 906 0 0 0 871 0 0 0 Upstream Filter(I)0.90 0.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 14.5 0.0 0.0 0.0 17.4 0.0 0.0 0.0 Incr Delay(d2),s/veh 2.3 0.0 0.0 0.0 6.6 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.8 0.0 0.0 0.0 24.0 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 7.9 0.0 0.0 0.0 12.1 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 1.6 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 8.5 0.0 0.0 0.0 13.7 0.0 0.0 0.0 Ile Storage Ratio(RQ%) 0.57 0.00 0.00 0.00 1.38 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Inkinwati4n Stu m s, • 41L,- HCM 2010 Ctrl Delay 22.0 HCM 2010 LOS C PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 TWSC 5: NE Sunset Blvd & Kirkland Avenue NE 9/10/2015 Intersection Int Delay,s/veh 4.3 Movement SEL SET SER NWL NWT NWR NEL NET NER SWL SWT SWRR Vol,veh/h 0 3 89 11 3 33 68 1162 7 23 892 4 Conflicting Peds,#/hr 0 0 0 0 0 0 0 0 0 0 0 0 Sign Control Stop Stop Stop Stop Stop Stop Free Free Free Free Free Free RT Channelized None None None None Storage Length 100 - - 100 - - Veh in Median Storage,# 0 - 0 - 0 - 0 - Grade,% 0 - 0 - 0 - 0 - Peak Hour Factor 90 90 90 90 90 90 90 90 90 90 90 90 Heavy Vehicles,%2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 3 99 12 3 37 76 1291 8 26 991 4 Major/Minor Minor2 Minorl Majorl Major2 Conflicting Flow All 1842 2494 498 1994 2493 649 996 0 0 1299 0 0 Stage 1 1044 1044 - 1446 1446 - Stage 2 798 1450 - 548 1047 - Critical Hdwy 7.54 6.54 6.94 7.54 6.54 6.94 4.14 - - 4.14 - - Critical Hdwy Stg 1 6.54 5.54 - 6.54 5.54 - Critical Hdwy Stg 2 6.54 5.54 - 6.54 5.54 - Follow-up Hdwy 3.52 4.02 3.32 3.52 4.02 3.32 2.22 - - 2.22 - - Pot Cap-1 Maneuver 47 29 518 36 29 412 690 - - 529 - - Stage 1 245 304 - 138 195 - Stage 2 346 194 - 488 303 - Platoon blocked,% Mov Cap-1 Maneuver 34 25 518 23 25 412 690 - - 529 - - Mov Cap-2 Maneuver 34 25 - 23 25 - Stage 1 218 289 - 123 174 - Stage 2 275 173 - 371 288 - Approach SE NW NE SW. HCM Control Delay,s 21.8 146.6 0.6 0.3 HCM LOS C F Minor LanelMelor Mvmt NEL NET NERNWIA SELn1 SW!,. SWT SWR h Capacity(veh/h)690 - - 69 315 529 - - HCM Lane V/C Ratio 0.11 - - 0.757 0.325 0.048 - - HCM Control Delay(s) 10.9 - - 146.6 21.8 12.2 - - HCM Lane LOS B - - F C B - - HCM 95th%tile Q(veh) 0.4 - - 3.5 1.4 0.2 - - PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 373: Edmonds AV NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh 11 Intersection LOS B Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT NB(g Vol,veh/h 0 2 46 13 0 42 66 167 0 20 116 44 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 2 51 14 0 47 73 186 0 22 129 49 Number of Lanes 0 0 1 0 0 0 1 0 0 0 1 1 Approach EB WB NB Opposing Approach WB EB SB Opposing Lanes 1 1 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 2 1 Conflicting Approach Right NB SB WB Conflicting Lanes Right 2 1 1 HCM Control Delay 9.3 11.7 10.1 HCM LOS A B B Vol Left,% 15% 0% 3% 15% 2% Vol Thru,% 85% 0% 75% 24% 38% Vol Right,% 0% 100% 21% 61% 61% Sign Control Stop Stop Stop Stop Stop Traffic Vol by Lane 136 44 61 275 264 LT Vol 20 0 2 42 5 Through Vol 116 0 46 66 99 RT Vol 0 44 13 167 160 Lane Flow Rate 151 49 68 306 293 Geometry Grp 7 7 2 2 5 Degree of Util(X) 0.251 0.07 0.105 0.424 0.406 Departure Headway(Hd) 5.968 5.184 5.602 4.994 4.988 Convergence,YIN Yes Yes Yes Yes Yes Cap 601 691 639 721 722 Service Time 3.701 2.916 3.644 3.024 3.018 HCM Lane V/C Ratio 0.251 0.071 0.106 0.424 0.406 HCM Control Delay 10.7 8.3 9.3 11.7 11.4 HCM Lane LOS B A A BB HCM 95th-tile Q 1 0.2 0.4 2.1 2 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 373: Edmonds AV NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 5 99 160 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 6 110 178 Number of Lanes 0 0 1 0 CJ 1. N i Opposing Approach NB Opposing Lanes 2 Conflicting Approach Left WB Conflicting Lanes Left 1 Conflicting Approach Right EB Conflicting Lanes Right 1 HCM Control Delay 11.4 HCM LOS B PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 AWSC 378: Harrington Ave NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh 10 Intersection LOS A Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT NMI Vol,veh/h 0 8 212 26 0 11 237 30 0 32 15 14 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 9 236 29 0 12 263 33 0 36 17 16 Number of Lanes 0 0 1 0 0 0 1 0 0 0 1 0 Approach EEL WB NB Opposing Approach WB EB SB Opposing Lanes 1 1 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 1 1 Conflicting Approach Right NB SB WB Conflicting Lanes Right 1 1 1 HCM Control Delay 10 10.4 8.9 HCM LOS A B A Lane i EBin1 Ward, n1 Vol Left,% 52% 3% 4% 57% Vol Thru,% 25% 86% 85% 18% Vol Right,% 23% 11% 11% 25% Sign Control Stop Stop Stop Stop Traffic Vol by Lane 61 246 278 51 LT Vol 32 8 11 29 Through Vol 15 212 237 9 RT Vol 14 26 30 13 Lane Flow Rate 68 273 309 57 Geometry Grp 1 1 1 1 Degree of Util(X) 0.099 0.345 0.387 0.083 Departure Headway(Hd) 5.283 4.544 4.508 5.296 Convergence,Y/N Yes Yes Yes Yes Cap 674 790 797 672 Service Time 3.35 2.584 2.545 3.364 HCM Lane V/C Ratio 0.101 0.346 0.388 0.085 HCM Control Delay 8.9 10 10.4 8.8 HCM Lane LOS A A B A HCM 95th-tile Q 0.3 1.5 1.8 0.3 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 378: Harrington Ave NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 29 9 13 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 32 10 14 Number of Lanes 0 0 1 0 APProach SB Opposing Approach NB Opposing Lanes 1 Conflicting Approach Left WB Conflicting Lanes Left 1 Conflicting Approach Right EB Conflicting Lanes Right 1 HCM Control Delay 8.8 HCM LOS A Lane PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 AWSC 374: NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh 9.5 Intersection LOS A Movement EBU : L EBT EBR WBU WBI;. WBT WBR NBU NBL NBT NBR Vol,veh/h 0 19 218 35 0 11 224 31 0 28 40 3 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 21 242 39 0 12 249 34 0 31 44 3 Number of Lanes 0 0 2 0 0 0 2 0 0 0 1 0 EB 1 . ... NB Opposing Approach WB EB SB Opposing Lanes 2 2 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 1 2 Conflicting Approach Right NB SB WB Conflicting Lanes Right 1 1 2 HCM Control Delay 9.6 9.5 9.4 HCM LOS A A A Lane NBLn1 EBLr11 EB&r2 WBI n1 WB a.OM ., Vol Left,% 39% 15% 0% 9% 0% 42% Vol Thru,% 56% 85% 76% 91% 78% 35% Vol Right,% 4% 0% 24% 0% 22% 23% Sign Control Stop Stop Stop Stop Stop Stop Traffic Vol by Lane 71 128 144 123 143 96 LT Vol 28 19 0 11 0 40 Through Vol 40 109 109 112 112 34 RT Vol 3 0 35 0 31 22 Lane Flow Rate 79 142 160 137 159 107 Geometry Grp 2 7 7 7 7 2 Degree of Util(X) 0.121 0.214 0.229 0.204 0.229 0.159 Departure Headway(Hd) 5.51 5.406 5.16 5.383 5.185 5.357 Convergence,YIN Yes Yes Yes Yes Yes Yes Cap 645 658 690 661 686 663 Service Time 3.599 3.18 2.934 3.158 2.96 3.44 HCM Lane V/C Ratio 0.122 0.216 0.232 0.207 0.232 0.161 HCM Control Delay 9.4 9.7 9.5 9.6 9.5 9.5 HCM Lane LOS A A A A A A HCM 95th-tile Q 0.4 0.8 0.9 0.8 0.9 0.6 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 374: NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 40 34 22 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 44 38 24 Number of Lanes 0 0 1 0 Approach SB Opposing Approach NB Opposing Lanes 1 Conflicting Approach Left WB Conflicting Lanes Left 2 Conflicting Approach Right EB Conflicting Lanes Right 2 HCM Control Delay 9.5 HCM LOS A Lane PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 f - C ~ 41 T /* `. 11, ./ Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 41+ 41'5 +1+1 ti Volume(veh/h) 165 140 10 79 75 44 26 893 102 68 670 130 Number 7 4 14 3 8 18 1 6 16 5 2 12 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1900 1863 1900 1900 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 179 171 16 103 89 70 33 950 119 89 736 159 Adj No.of Lanes 0 2 0 0 2 0 1 2 0 1 2 0 Peak Hour Factor 0.92 0.82 0.63 0.77 0.84 0.63 0.78 0.94 0.86 0.76 0.91 0.82 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 256 270 25 167 150 121 80 1068 134 394 1527 330 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.15 0.15 0.15 0.13 0.13 0.13 0.04 0.34 0.32 0.22 0.53 0.51 Ln Grp Delay,s/veh 36.8 0.0 35.1 37.1 0.0 36.5 42.0 42.9 42.8 25.9 13.8 13.9 Ln Grp LOS D D D D D D DC B B Approach Vol,veh/h 366 262 1102 984 Approach Delay,s/veh 36.0 36.8 42.8 14.9 Approach LOS D D D B Timer: 1 2 3 4 5 6 7 8 Assigned Phs 1 2 8 4 6 5 Case No 2.0 4.0 12.0 12.0 4.0 2.0 Phs Duration(G+Y+Rc),s 6.6 45.2 13.0 15.2 30.0 21.8 Change Period(Y+Rc),s 4.0 5.0 4.0 4.0 *5 5.0 Max Green(Gmax),s 6.0 25.0 16.0 16.0 *25 6.0 Max Allow Headway(MAH),s 5.3 7.1 6.3 5.5 7.3 7.1 Max Q Clear(g_c+11),s 3.4 15.0 7.9 10.1 24.7 5.3 Green Ext Time(g_e),s 0.0 6.4 1.2 1.1 0.2 0.0 Prob of Phs Call(p_c) 0.52 1.00 1.00 1.00 1.00 0.86 Prob of Max Out(p_x) 1.00 0.00 0.57 0.87 0.00 1.00 Left-Turn Movement Data Assigned Mvmt 1 3 7 5 Mvmt Sat Flow.veh/h 1774 1331 1677 1774 Through Movement Data Assigned Mvmt 2 8 4 6 Mvmt Sat Flow,veh/h 2896 1195 1769 3166 Right-Turn Movement Data Assigned Mvmt 12 18 14 16 Mvmt Sat Flow.veh/h 626 964 167 396 Left Lane Group Data Assigned Mvmt 1 0 3 7 0 5 0 0 Lane Assignment Prot) L+T L+T Prot) Lanes in Grp 1 0 1 1 0 1 0 0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 Grp Vol(v),veh/h 33 0 139 190 0 89 0 0 Grp Sat Flow(s),veh/h/ln 1774 0 1796 1779 0 1774 0 0 Q Serve Time(g_s),s 1.4 0.0 5.9 8.1 0.0 3.3 0.0 0.0 Cycle Q Clear Time(g_c),s 1.4 0.0 5.9 8.1 0.0 3.3 0.0 0.0 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 0 0 0 0 0 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 0 0 0 0 0 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Time to First Blk(g_f),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Serve Time pre Bik(g_fs),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop LT Inside Lane(P_L) 1.00 0.00 0.74 0.94 0.00 1.00 0.00 0.00 Lane Grp Cap(c),veh/h 80 0 225 271 0 394 0 0 V/C Ratio(X) 0.41 0.00 0.62 0.70 0.00 0.23 0.00 0.00 Avail Cap(c_a),veh/h 155 0 382 378 0 394 0 0 Upstream Filter(I)1.00 0.00 1.00 1.00 0.00 1.00 0.00 0.00 Uniform Delay(d1),s/veh 37.2 0.0 33.2 32.2 0.0 25.5 0.0 0.0 Incr Delay(d2),s/veh 4.8 0.0 3.9 4.7 0.0 0.4 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 42.0 0.0 37.1 36.8 0.0 25.9 0.0 0.0 1st-Term Q(Q1),veh/In 0.7 0.0 2.9 4.0 0.0 1.6 0.0 0.0 2nd-Term Q(Q2),veh/In 0.1 0.0 0.2 0.4 0.0 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Ile Back of Q Factor(f_B%) 1.00 0.00 1.00 1.00 0.00 1.00 0.00 0.00 ile Back of Q(50%),veh/In 0.8 0.0 3.1 4.3 0.0 1.7 0.0 0.0 Ile Storage Ratio(RQ%) 0.14 0.00 0.15 0.51 0.00 0.28 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Middy Lane Group Data Assigned Mvmt 0 2 8 4 6 0 0 0 Lane Assignment T T Lanes in Grp 0 1 0 0 1 0 0 0 Grp Vol(v),veh/h 0 450 0 0 531 0 0 0 Grp Sat Flow(s),veh/h/ln 0 1770 0 0 1770 0 0 0 Q Serve Time(g_s),s 0.0 12.9 0.0 0.0 22.7 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 12.9 0.0 0.0 22.7 0.0 0.0 0.0 Lane Grp Cap(c),veh/h 0 933 0 0 597 0 0 0 V/C Ratio(X) 0.00 0.48 0.00 0.00 0.89 0.00 0.00 0.00 Avail Cap(c_a),veh/h 0 933 0 0 597 0 0 0 Upstream Filter(I) 0.00 1.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 0.0 12.0 0.0 0.0 25.1 0.0 0.0 0.0 Incr Delay(d2),s/veh 0.0 1.8 0.0 0.0 17.8 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 13.8 0.0 0.0 42.9 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 0.0 6.2 0.0 0.0 11.1 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.0 0.5 0.0 0.0 3.0 0.0 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 ile Back of Q(50%),veh/In 0.0 6.7 0.0 0.0 14.0 0.0 0.0 0.0 ile Storage Ratio(RQ%) 0.00 0.17 0.00 0.00 0.27 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Gram Data Assigned Mvmt 0 12 18 14 16 0 0 0 Lane Assignment T+R T+R T+R T+R Lanes in Grp 0 1 1 1 1 0 0 0 Grp Vol(v),veh/h 0 445 123 176 538 0 0 0 Grp Sat Flow(s),veh/h/In 0 1752 1693 1833 1793 0 0 0 Q Serve Time(g_s),s 0.0 13.0 5.5 7.2 22.7 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 13.0 5.5 7.2 22.7 0.0 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.00 0.36 0.57 0.09 0.22 0.00 0.00 0.00 Lane Grp Cap(c),veh/h 0 924 212 280 605 0 0 0 V/C Ratio(X) 0.00 0.48 0.58 0.63 0.89 0.00 0.00 0.00 Avail Cap(c_a),veh/h 0 924 360 390 605 0 0 0 Upstream Filter(I) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 0.0 12.1 33.0 31.8 25.2 0.0 0.0 0.0 Incr Delay(d2),s/veh 0.0 1.8 3.5 3.3 17.6 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 13.9 36.5 35.1 42.8 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 0.0 6.2 2.6 3.6 11.2 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.0 0.5 0.2 0.3 3.0 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 ile Back of Q(50%),veh/In 0.0 6.7 2.8 3.9 14.2 0.0 0.0 0.0 ile Storage Ratio(RQ%) 0.00 0.17 0.13 0.46 0.27 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 31.2 HCM 2010 LOS C Natee User approved pedestrian interval to be less than phase max green. HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 j C ~ 4\t /* \ 1 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 4.4+li 't'4.I +I Volume(veh/h) 14 45 24 104 35 34 46 1004 138 61 895 9 Number 7 4 14 3 8 18 1 6 16 5 2 12 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1900 1863 1900 1900 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 22 49 25 155 45 54 68 1046 179 73 952 10 Adj No.of Lanes 0 1 0 0 1 0 1 2 0 1 2 0 Peak Hour Factor 0.65 0.92 0.96 0.67 0.77 0.63 0.68 0.96 0.77 0.83 0.94 0.88 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 110 221 97 266 65 70 303 1831 313 116 1749 18 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.22 0.22 0.22 0.22 0.22 0.22 0.17 0.61 0.59 0.07 0.49 0.47 Ln Grp Delay,s/veh 26.5 0.0 0.0 32.6 0.0 0.0 29.0 11.3 11.4 44.1 16.8 16.7 Ln Grp LOS C C C B B D B B Approach Vol,veh/h 96 254 1293 1035 Approach Delay,s/veh 26.5 32.6 12.3 18.6 Approach LOS C C B B Timer: 1 2 3 4 5 6 7 8 Assigned Phs 2 1 4 5 6 8 Case No 4.0 2.0 8.0 2.0 4.0 8.0 Phs Duration(G+Y+Rc),s 42.0 17.7 20.3 8.2 51.4 20.3 Change Period(Y+Rc),s 5 5.0 4.0 4.0 5.0 4.0 Max Green(Gmax),s 37 6.0 24.0 9.0 34.0 24.0 Max Allow Headway(MAH),s 8.5 8.3 6.7 5.2 8.3 6.7 Max Q Clear(g_c+11),s 16.8 4.6 5.6 5.2 18.8 14.3 Green Ext Time(g_e),s 13.2 0.1 3.0 0.1 12.6 2.1 Prob of Phs Call(p_c) 1.00 0.78 1.00 0.80 1.00 1.00 Prob of Max Out(p_x) 0.00 1.00 0.07 1.00 0.00 0.50 Left-Turn Movement Data A MIR Assigned Mvmt 1 7 5 3 Mvmt Sat Flow.veh/h 1774 252 1774 895 Throu•h Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow,veh/h 3588 1019 3025 302 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow,veh/h 38 448 517 323 Left Lane Group Data Assigned Mvmt 0 1 0 7 5 0 0 3 Lane Assignment Prot) L+T+R (Prot) L+T+R Lanes in Grp 0 1 0 1 1 0 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 Grp Vol(v),veh/h 0 68 0 96 73 0 0 254 Grp Sat Flow(s),veh/h/In 0 1774 0 1719 1774 0 0 1520 Q Serve Time(g_s),s 0.0 2.6 0.0 0.0 3.2 0.0 0.0 8.7 Cycle Q Clear Time(g_c),s 0.0 2.6 0.0 3.6 3.2 0.0 0.0 12.3 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 1317 0 0 0 1347 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 1736 0 0 0 1808 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 17.3 0.0 0.0 0.0 17.3 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 5.1 0.0 0.0 0.0 13.8 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.7 Time to First Blk(g_f),s 0.0 0.0 0.0 6.0 0.0 0.0 0.0 0.5 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 3.6 0.0 0.0 0.0 0.5 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 0.23 1.00 0.00 0.00 0.61 Lane Grp Cap(c),veh/h 0 303 0 428 116 0 0 402 V/C Ratio(X) 0.00 0.22 0.00 0.22 0.63 0.00 0.00 0.63 Avail Cap(c_a),veh/h 0 303 0 583 222 0 0 540 Upstream Filter(I) 0.00 0.80 0.00 1.00 1.00 0.00 0.00 1.00 Uniform Delay(d1),s/veh 0.0 28.6 0.0 25.9 36.4 0.0 0.0 29.1 Incr Delay(d2),s/veh 0.0 0.4 0.0 0.6 7.7 0.0 0.0 3.5 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 29.0 0.0 26.5 44.1 0.0 0.0 32.6 1st-Term Q(Q1),veh/In 0.0 1.3 0.0 1.8 1.6 0.0 0.0 5.2 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.4 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 1.3 0.0 1.8 1.8 0.0 0.0 5.6 ile Storage Ratio(RQ%) 0.00 0.20 0.00 0.24 0.27 0.00 0.00 0.26 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 2 0 0 4 0 6 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 470 0 0 0 0 611 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 0 1770 0 0 Q Serve Time(g_s),s 14.8 0.0 0.0 0.0 0.0 16.7 0.0 0.0 Cycle Q Clear Time(g_c),s 14.8 0.0 0.0 0.0 0.0 16.7 0.0 0.0 Lane Grp Cap(c),veh/h 863 0 0 0 0 1071 0 0 V/C Ratio(X) 0.54 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Avail Cap(c_a),veh/h 863 0 0 0 0 1071 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.80 0.00 0.00 Uniform Delay(d1),s/veh 14.3 0.0 0.0 0.0 0.0 9.5 0.0 0.0 Ina Delay(d2),s/veh 2.5 0.0 0.0 0.0 0.0 1.8 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.8 0.0 0.0 0.0 0.0 11.3 0.0 0.0 1st-Term Q(Q1),veh/In 7.2 0.0 0.0 0.0 0.0 8.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 0.0 0.5 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 7.8 0.0 0.0 0.0 0.0 8.5 0.0 0.0 ile Storage Ratio(RQ%) 0.14 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Data Assigned Mvmt 12 0 0 14 0 16 0 18 Lane Assignment T+R T+R Lanes in Gm 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 492 0 0 0 0 614 0 0 Grp Sat Flow(s),veh/h/In 1856 0 0 0 0 1772 0 0 Q Serve Time(g_s),s 14.8 0.0 0.0 0.0 0.0 16.8 0.0 0.0 Cycle Q Clear Time(g_c),s 14.8 0.0 0.0 0.0 0.0 16.8 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.02 0.00 0.00 0.26 0.00 0.29 0.00 0.21 Lane Grp Cap(c),veh/h 905 0 0 0 0 1072 0 0 V/C Ratio(X) 0.54 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Avail Cap(c_a),veh/h 905 0 0 0 0 1072 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.80 0.00 0.00 Uniform Delay(d1),s/veh 14.3 0.0 0.0 0.0 0.0 9.6 0.0 0.0 lncr Delay(d2),s/veh 2.3 0.0 0.0 0.0 0.0 1.8 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.7 0.0 0.0 0.0 0.0 11.4 0.0 0.0 1st-Term Q(Q1),veh/In 7.5 0.0 0.0 0.0 0.0 8.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 0.0 0.5 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 8.1 0.0 0.0 0.0 0.0 8.6 0.0 0.0 ile Storage Ratio(RQ%) 0.15 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Intamation Summon HCM 2010 Ctrl Delay 17.2 HCM 2010 LOS B HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 J -0* c .- k T I' y 4 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 9 +I,li +I,I Volume(veh/h) 124 1217 82 39 814 8 48 23 27 7 38 106 Number 1 6 16 5 2 12 7 4 14 3 8 18 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1863 1863 1900 1863 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 146 1281 115 45 915 14 57 44 38 11 58 126 Adj No.of Lanes 1 2 0 1 2 0 1 1 0 1 1 0 Peak Hour Factor 0.85 0.95 0.71 0.86 0.89 0.58 0.84 0.52 0.72 0.63 0.66 0.84 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 584 2085 187 79 1204 18 221 193 166 312 109 237 HCM Platoon Ratio 1.33 1.33 1.33 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.44 0.84 0.83 0.04 0.34 0.32 0.21 0.21 0.21 0.21 0.21 0.21 Ln Grp Delay,s/veh 16.5 4.8 4.9 46.4 32.4 32.1 34.1 0.0 26.8 27.9 0.0 30.0 Ln Grp LOS B A A D CCC C C C Approach Vol,veh/h 1542 974 139 195 Approach Delay,s/veh 5.9 32.9 29.8 29.9 Approach LOS A C C C Timer: 1 2 3 4 5 6 7 8 Assigned Phs 2 1 4 5 6 8 Case No 4.0 2.0 6.0 2.0 4.0 6.0 Phs Duration(G+Y+Rc),s 30.0 30.3 19.7 6.6 53.8 19.7 Change Period(Y+Rc),s 5 5.0 4.0 4.0 5.0 4.0 Max Green(Gmax),s 25 14.0 28.0 8.0 31.0 28.0 Max Allow Headway(MAH),s 8.2 8.0 6.3 6.5 8.0 6.3 Max Q Clear(g_c+11),s 20.3 6.2 13.4 4.0 12.3 9.9 Green Ext Time(g_e),s 3.6 2.4 2.2 0.1 16.2 2.5 Prob of Phs Call(p_c) 1.00 0.96 1.00 0.63 1.00 1.00 Prob of Max Out(p_x) 0.00 1.00 0.11 1.00 0.00 0.04 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow veh/h 1774 1195 1774 1311 Through Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow,veh/h 3568 924 3286 524 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow,veh/h 55 798 294 1138 Left Lane Group Data Assigned Mvmt 0 1 0 7 5 0 0 3 Lane Assignment Prot) Prot) Lanes in Grp 0 1 0 1 1 0 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 Grp Vol(v),veh/h 0 146 0 57 45 0 0 11 Grp Sat Flow(s),veh/h/In 0 1774 0 1195 1774 0 0 1311 Q Serve Time(g_s),s 0.0 4.2 0.0 3.6 2.0 0.0 0.0 0.6 Cycle Q Clear Time(g_c),s 0.0 4.2 0.0 11.4 2.0 0.0 0.0 3.7 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 1195 0 0 0 1311 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 0 0 0 0 0 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 16.7 0.0 0.0 0.0 16.7 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 8.8 0.0 0.0 0.0 13.5 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 3.6 0.0 0.0 0.0 0.6 Time to First Blk(g_f),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 Lane Grp Cap(c),veh/h 0 584 0 221 79 0 0 312 V/C Ratio(X) 0.00 0.25 0.00 0.26 0.57 0.00 0.00 0.04 Avail Cap(c_a),veh/h 0 584 0 405 200 0 0 513 Upstream Filter(I) 0.00 0.69 0.00 1.00 1.00 0.00 0.00 1.00 Uniform Delay(d1),s/veh 0.0 16.3 0.0 33.3 37.5 0.0 0.0 27.9 Incr Delay(d2),s/veh 0.0 0.2 0.0 0.9 8.9 0.0 0.0 0.1 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 16.5 0.0 34.1 46.4 0.0 0.0 27.9 1st-Term Q(Q1),veh/In 0.0 2.0 0.0 1.2 1.0 0.0 0.0 0.2 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 2.0 0.0 1.2 1.2 0.0 0.0 0.2 ile Storage Ratio(RQ%) 0.00 0.23 0.00 0.06 0.12 0.00 0.00 0.01 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Midi*Lope Group Data Assigned Mvmt 2 0 0 4 0 6 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 454 0 0 0 0 688 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 0 1770 0 0 Q Serve Time(g_s),s 18.3 0.0 0.0 0.0 0.0 10.1 0.0 0.0 Cycle Q Clear Time(g_c),s 18.3 0.0 0.0 0.0 0.0 10.1 0.0 0.0 Lane Grp Cap(c),veh/h 597 0 0 0 0 1123 0 0 V/C Ratio(X) 0.76 0.00 0.00 0.00 0.00 0.61 0.00 0.00 Avail Cap(c_a),veh/h 597 0 0 0 0 1123 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.69 0.00 0.00 Uniform Delay(d1),s/veh 23.6 0.0 0.0 0.0 0.0 3.1 0.0 0.0 Incr Delay(d2),s/veh 8.8 0.0 0.0 0.0 0.0 1.7 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 32.4 0.0 0.0 0.0 0.0 4.8 0.0 0.0 1st-Term Q(Q1),veh/In 8.8 0.0 0.0 0.0 0.0 4.6 0.0 0.0 2nd-Term Q(Q2),veh/In 1.5 0.0 0.0 0.0 0.0 0.5 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(fB%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 10.3 0.0 0.0 0.0 0.0 5.1 0.0 0.0 ile Storage Ratio(RQ%) 0.29 0.00 0.00 0.00 0.00 0.33 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Data Assigned Mvmt 12 0 0 14 0 16 0 18 Lane Assignment T+R T+R T+R T+R Lanes in Grp 1 0 0 1 0 1 0 1 Grp Vol(v),veh/h 475 0 0 82 0 708 0 184 Grp Sat Flow(s),veh/h/In 1853 0 0 1722 0 1811 0 1662 Q Serve Time(g_s),s 18.3 0.0 0.0 3.2 0.0 10.3 0.0 7.9 Cycle Q Clear Time(g_c),s 18.3 0.0 0.0 3.2 0.0 10.3 0.0 7.9 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.03 0.00 0.00 0.46 0.00 0.16 0.00 0.68 Lane Grp Cap(c),veh/h 625 0 0 359 0 1149 0 347 V/C Ratio(X) 0.76 0.00 0.00 0.23 0.00 0.62 0.00 0.53 Avail Cap(c_a),veh/h 625 0 0 624 0 1149 0 602 Upstream Filter(I)1.00 0.00 0.00 1.00 0.00 0.69 0.00 1.00 Uniform Delay(d1),s/veh 23.6 0.0 0.0 26.3 0.0 3.1 0.0 28.2 lncr Delay(d2),s/veh 8.4 0.0 0.0 0.5 0.0 1.7 0.0 1.8 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 32.1 0.0 0.0 26.8 0.0 4.9 0.0 30.0 1st-Term Q(Q1),veh/In 9.2 0.0 0.0 1.5 0.0 4.8 0.0 3.6 2nd-Term Q(Q2),veh/In 1.5 0.0 0.0 0.0 0.0 0.5 0.0 0.2 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 10.7 0.0 0.0 1.5 0.0 5.3 0.0 3.8 ile Storage Ratio(RQ%) 0.31 0.00 0.00 0.08 0.00 0.34 0.00 0.19 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Intersection Suumy HCM 2010 Ctrl Delay 18.0 HCM 2010 LOS B Notes HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 f -; C ~ 4\t , \* 1 4/ Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 1 f t 1 f t+4 4e* Volume(veh/h) 26 1163 44 66 927 3 37 8 67 8 16 19 Number 1 6 16 5 2 12 7 4 14 3 8 18 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1863 1863 1900 1863 1863 1900 1900 1863 1900 1900 1863 1900 Adj Flow Rate,veh/h 35 1292 61 77 1008 8 41 16 89 12 28 32 Adj No.of Lanes 1 2 0 1 2 0 0 1 0 0 1 0 Peak Hour Factor 0.75 0.90 0.72 0.86 0.92 0.38 0.90 0.50 0.75 0.67 0.57 0.59 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 466 1635 77 488 1754 14 104 38 132 74 109 104 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.26 0.47 0.46 0.28 0.49 0.47 0.14 0.14 0.14 0.14 0.14 0.14 Ln Grp Delay,s/veh 22.3 25.1 25.0 22.2 17.0 16.9 34.9 0.0 0.0 31.7 0.0 0.0 Ln Grp LOS C C C C B B C C Approach Vol,veh/h 1388 1093 146 72 Approach Delay,s/veh 25.0 17.3 34.9 31.7 Approach LOS C B C C Timer: 1 2 3 4 5 6 7 8 Assigned Phs 2 1 4 6 5 8 Case No 4.0 2.0 8.0 4.0 2.0 8.0 Phs Duration(G+Y+Rc),s 42.0 24.0 14.0 41.0 25.0 14.0 Change Period(Y+Rc),s 5.0 4.0 4.0 5.0 4.0 4.0 Max Green(Gmax),s 37.0 6.0 24.0 36.0 7.0 24.0 Max Allow Headway(MAH),s 9.2 5.1 5.8 9.2 5.1 5.8 Max Q Clear(g_c+11),s 18.0 3.2 8.9 27.3 4.6 5.0 Green Ext Time(g_e),s 14.2 0.1 1.2 8.1 0.1 1.3 Prob of Phs Call(p_c) 1.00 0.54 0.99 1.00 0.82 0.99 Prob of Max Out(p_x) 0.00 1.00 0.02 0.00 1.00 0.00 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow,veh/h 1774 339 1774 157 Through Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow.veh!h 3599 278 3441 792 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow,veh/h 29 963 162 759 Left Lane Group Data Assigned Mvmt 0 1 0 7 0 5 0 3 Lane Assignment Prot) L+T+R Prot) L+T+R Lanes in Grp 0 1 0 1 0 1 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 Grp Vol(v),veh/h 0 35 0 146 0 77 0 72 Grp Sat Flow(s),veh/h/In 0 1774 0 1579 0 1774 0 1707 Q Serve Time(g_s),s 0.0 1.2 0.0 3.9 0.0 2.6 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 1.2 0.0 6.9 0.0 2.6 0.0 3.0 Perm LT Sat Flow(s_I),veh/h/ln 0 0 0 1364 0 0 0 1309 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 1837 0 0 0 1847 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 11.0 0.0 0.0 0.0 11.0 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 8.0 0.0 0.0 0.0 4.1 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 3.9 0.0 0.0 0.0 0.0 Time to First Blk(g_f),s 0.0 0.0 0.0 2.4 0.0 0.0 0.0 4.9 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 2.4 0.0 0.0 0.0 3.0 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 0.28 0.00 1.00 0.00 0.17 Lane Grp Cap(c),veh/h 0 466 0 275 0 488 0 287 V/C Ratio(X) 0.00 0.08 0.00 0.53 0.00 0.16 0.00 0.25 Avail Cap(c_a),veh/h 0 466 0 542 0 488 0 570 Upstream Filter(I) 0.00 1.00 0.00 1.00 0.00 0.88 0.00 1.00 Uniform Delay(d1),s/veh 0.0 22.2 0.0 32.7 0.0 22.0 0.0 31.1 Incr Delay(d2),s/veh 0.0 0.1 0.0 2.3 0.0 0.2 0.0 0.6 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 22.3 0.0 34.9 0.0 22.2 0.0 31.7 1st-Term Q(Q1),veh/In 0.0 0.6 0.0 3.0 0.0 1.3 0.0 1.4 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.1 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 0.6 0.0 3.2 0.0 1.3 0.0 1.5 ile Storage Ratio(RQ%) 0.00 0.10 0.00 0.06 0.00 0.22 0.00 0.10 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 2 0 0 4 6 0 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 1 0 0 0 Grp Vol(v),veh/h 496 0 0 0 664 0 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 1770 0 0 0 Q Serve Time(g_s),s 16.0 0.0 0.0 0.0 25.2 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 16.0 0.0 0.0 0.0 25.2 0.0 0.0 0.0 Lane Grp Cap(c),veh/h 863 0 0 0 841 0 0 0 V/C Ratio(X) 0.57 0.00 0.00 0.00 0.79 0.00 0.00 0.00 Avail Cap(c_a),veh/h 863 0 0 0 841 0 0 0 Upstream Filter(I) 0.88 0.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 14.6 0.0 0.0 0.0 17.6 0.0 0.0 0.0 Incr Delay(d2),s/veh 2.4 0.0 0.0 0.0 7.4 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),slveh 17.0 0.0 0.0 0.0 25.1 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 7.7 0.0 0.0 0.0 12.2 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 1.7 0.0 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 8.3 0.0 0.0 0.0 13.9 0.0 0.0 0.0 ile Storage Ratio(RQ%) 0.55 0.00 0.00 0.00 1.40 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Data Assigned Mvmt 12 0 0 14 16 0 0 18 Lane Assignment T+R T+R Lanes in Grp 1 0 0 0 1 0 0 0 Grp Vol(v),veh/h 520 0 0 0 689 0 0 0 Grp Sat Flow(s),veh/h/In 1858 0 0 0 1834 0 0 0 Q Serve Time(g_s),s 16.0 0.0 0.0 0.0 25.3 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 16.0 0.0 0.0 0.0 25.3 0.0 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.02 0.00 0.00 0.61 0.09 0.00 0.00 0.44 Lane Grp Cap(c),veh/h 906 0 0 0 871 0 0 0 V/C Ratio(X) 0.57 0.00 0.00 0.00 0.79 0.00 0.00 0.00 Avail Cap(c_a),veh/h 906 0 0 0 871 0 0 0 Upstream Filter(I) 0.88 0.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 14.6 0.0 0.0 0.0 17.7 0.0 0.0 0.0 Incr Delay(d2),s/veh 2.3 0.0 0.0 0.0 7.3 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.9 0.0 0.0 0.0 25.0 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 8.1 0.0 0.0 0.0 12.6 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 1.8 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 8.7 0.0 0.0 0.0 14.4 0.0 0.0 0.0 ile Storage Ratio(RQ%) 0.58 0.00 0.00 0.00 1.45 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Intemection Summary HCM 2010 Ctrl Delay 22.6 HCM 2010 LOS C PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 TWSC 5: NE Sunset Blvd & Kirkland Avenue NE 9/10/2015 Intersection Int Delay,s/veh 4.8 Movement SEL SET SER NWL NWT NWR NEL NET NER SWL SWT SWR Vol,veh/h 0 3 91 11 3 34 69 1186 7 23 912 4 Conflicting Peds,#/hr 0 0 0 0 0 0 0 0 0 0 0 0 Sign Control Stop Stop Stop Stop Stop Stop Free Free Free Free Free Free RT Channelized None None None None Storage Length 100 - - 100 - - Veh in Median Storage,# 0 - 0 - 0 - 0 - Grade,% 0 - 0 - 0 - 0 - Peak Hour Factor 90 90 90 90 90 90 90 90 90 90 90 90 Heavy Vehicles,%2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 3 101 12 3 38 77 1318 8 26 1013 4 Major/Minor Minor2 Minorl Majorl Major2 Conflicting Flow All 1881 2546 509 2034 2544 663 1018 0 0 1326 0 0 Stage 1 1067 1067 - 1475 1475 - Stage 2 814 1479 - 559 1069 - Critical Hdwy 7.54 6.54 6.94 7.54 6.54 6.94 4.14 - - 4.14 - - Critical Hdwy Stg 1 6.54 5.54 - 6.54 5.54 - Critical Hdwy Stg 2 6.54 5.54 - 6.54 5.54 - Follow-up Hdwy 3.52 4.02 3.32 3.52 4.02 3.32 2.22 - - 2.22 - - Pot Cap-1 Maneuver 44 26 509 33 27 404 677 - - 517 - - Stage 1 237 297 - 132 189 - Stage 2 338 188 - 481 296 - Platoon blocked,% Mov Cap-1 Maneuver 31 22 509 21 23 404 677 - - 517 - - Mov Cap-2 Maneuver 31 22 - 21 23 - Stage 1 210 282 - 117 168 - Stage 2 266 167 - 362 281 - Approach SE NW NE SW HCM Control Delay,s 23.5 168.6 0.6 0.3 HCM LOS C F Minor Lane/Malor Mvmt NEL NET NERNWLn1 SELn1 SWL SWT SWR Capacity(veh/h)677 - - 65 298 517 - - HCM Lane V/C Ratio 0.113 - - 0.821 0.35 0.049 - - HCM Control Delay(s) 11 - - 168.6 23.5 12.3 - - HCM Lane LOS B - - F C B - - HCM 95th%tile Q(veh) 0.4 - - 3.8 1.5 0.2 - - PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 373: Edmonds AV NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh 11 Intersection LOS B Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT Vol,veh/h 0 2 45 12 0 42 66 167 0 20 115 44 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 2 50 13 0 47 73 186 0 22 128 49 Number of Lanes 0 0 1 0 0 0 1 0 0 0 1 1 Approach EB WB NB Opposing Approach WB EB SB Opposing Lanes 1 1 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 2 1 Conflicting Approach Right NB SB WB Conflicting Lanes Right 2 1 1 HCM Control Delay 9.3 11.6 10.1 HCM LOS A B B Lane NBLn1 NBA EBtn1 VVOLn1 SBLn1 Vol Left,% 15% 0% 3% 15% 2% Vol Thru,% 85% 0% 76% 24% 37% Vol Right,% 0% 100% 20% 61% 61% Sign Control Stop Stop Stop Stop Stop Traffic Vol by Lane 135 44 59 275 262 LT Vol 20 0 2 42 4 Through Vol 115 0 45 66 98 RT Vol 0 44 12 167 160 Lane Flow Rate 150 49 66 306 291 Geometry Grp 7 7 2 2 5 Degree of Util(X) 0.248 0.07 0.102 0.423 0.402 Departure Headway(Hd) 5.955 5.17 5.595 4.978 4.973 Convergence,Y/N Yes Yes Yes Yes Yes Cap 603 692 640 724 725 Service Time 3.689 2.904 3.635 3.008 3.003 HCM Lane V/C Ratio 0.249 0.071 0.103 0.423 0.401 HCM Control Delay 10.7 8.3 9.3 11.6 11.3 HCM Lane LOS B A A BB HCM 95th-tile Q 1 0.2 0.3 2.1 1.9 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 373: Edmonds AV NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 4 98 160 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 4 109 178 Number of Lanes 0 0 1 0 Approach 88 . Opposing Approach NB Opposing Lanes 2 Conflicting Approach Left WB Conflicting Lanes Left 1 Conflicting Approach Right EB Conflicting Lanes Right 1 HCM Control Delay 11.3 HCM LOSLew_ B PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 AWSC 378: Harrington Ave NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh 9.9 Intersection LOS A Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT N81 Vol,veh/h 0 8 212 24 0 9 237 30 0 32 15 14 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 9 236 27 0 10 263 33 0 36 17 16 Number of Lanes 0 0 1 0 0 0 1 0 0 0 1 0 Approach EB WB NB Opposing Approach WB EB SB Opposing Lanes 1 1 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 1 1 Conflicting Approach Right NB SB WB Conflicting Lanes Right 1 1 1 HCM Control Delay 10 10.3 8.9 HCM LOS A B A Lane , NBLn1 EBLn1 WBLn1 SBLn1 Vol Left,% 52% 3% 3% 57% Vol Thru,% 25% 87% 86% 18% Vol Right,% 23% 10% 11% 25% Sign Control Stop Stop Stop Stop Traffic Vol by Lane 61 244 276 51 LT Vol 32 8 9 29 Through Vol 15 212 237 9 RT Vol 14 24 30 13 Lane Flow Rate 68 271 307 57 Geometry Gm 1 1 1 1 Degree of Util(X) 0.099 0.342 0.384 0.083 Departure Headway(Hd) 5.274 4.546 4.504 5.287 Convergence,YIN Yes Yes Yes Yes Cap 675 789 797 673 Service Time 3.339 2.586 2.541 3.353 HCM Lane V/C Ratio 0.101 0.343 0.385 0.085 HCM Control Delay 8.9 10 10.3 8.8 HCM Lane LOS A A B A HCM 95th-tile Q 0.3 1.5 1.8 0.3 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 378: Harrington Ave NE & NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 29 9 13 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 32 10 14 Number of Lanes 0 0 1 0 Approach SB Opposing Approach NB Opposing Lanes 1 Conflicting Approach Left WB Conflicting Lanes Left 1 Conflicting Approach Right EB Conflicting Lanes Right 1 HCM Control Delay 8.8 HCM LOS A Laney PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 AWSC 374: NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh 9.5 Intersection LOS A Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT NBR Vol,veh/h 0 19 218 35 0 11 222 31 0 28 40 3 Peak Hour Factor 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 21 242 39 0 12 247 34 0 31 44 3 Number of Lanes 0 0 2 0 0 0 2 0 0 0 1 0 APProach EB WB NB Opposing Approach WB EB SB Opposing Lanes 2 2 1 Conflicting Approach Left SB NB EB Conflicting Lanes Left 1 1 2 Conflicting Approach Right NB SB WB Conflicting Lanes Right 1 1 2 HCM Control Delay 9.6 9.5 9.4 HCM LOS A A A Lane NBLn1 EBLn1 EBLn2 WW1 WBLn2 SBLn 1 Vol Left,% 39% 15% 0% 9% 0% 42% Vol Thru,% 56% 85% 76% 91% 78% 35% Vol Right,% 4% 0% 24% 0% 22% 23% Sign Control Stop Stop Stop Stop Stop Stop Traffic Vol by Lane 71 128 144 122 142 96 LT Vol 28 19 0 11 0 40 Through Vol 40 109 109 111 111 34 RT Vol 3 0 35 0 31 22 Lane Flow Rate 79 142 160 136 158 107 Geometry Grp 2 7 7 7 7 2 Degree of Util(X) 0.121 0.213 0.229 0.203 0.227 0.159 Departure Headway(Hd) 5.504 5.403 5.156 5.383 5.184 5.351 Convergence,Y/N Yes Yes Yes Yes Yes Yes Cap 645 660 691 662 686 665 Service Time 3.594 3.178 2.931 3.158 2.958 3.434 HCM Lane V/C Ratio 0.122 0.215 0.232 0.205 0.23 0.161 HCM Control Delay 9.4 9.7 9.5 9.5 9.5 9.5 HCM Lane LOS A A A A A A HCM 95th-tile Q 0.4 0.8 0.9 0.8 0.9 0.6 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 AWSC 374: NE 12th St 9/10/2015 Intersection Intersection Delay,s/veh Intersection LOS Movement SBU SBL SBT SBR Vol,veh/h 0 40 34 22 Peak Hour Factor 0.90 0.90 0.90 0.90 Heavy Vehicles,% 2 2 2 2 Mvmt Flow 0 44 38 24 Number of Lanes 0 0 1 0 Apreach SB Opposing Approach NB Opposing Lanes 1 Conflicting Approach Left WB Conflicting Lanes Left 2 Conflicting Approach Right EB Conflicting Lanes Right 2 HCM Control Delay 9.5 HCM LOS A Lane PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 411, 41,I f t,j +'F, Volume(veh/h) 165 140 10 79 75 44 26 892 102 68 688 128 Number 7 4 14 3 8 18 1 6 16 5 2 12 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1900 1863 1900 1900 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 179 171 16 103 89 70 33 949 119 89 756 156 Adj No.of Lanes 0 2 0 0 2 0 1 2 0 1 2 0 Peak Hour Factor 0.92 0.82 0.63 0.77 0.84 0.63 0.78 0.94 0.86 0.76 0.91 0.82 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 256 270 25 167 150 121 80 1068 134 394 1541 318 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.15 0.15 0.15 0.13 0.13 0.13 0.04 0.34 0.32 0.22 0.53 0.51 Ln Grp Delay,s/veh 36.8 0.0 35.1 37.1 0.0 36.5 42.0 42.8 42.7 25.9 13.9 14.0 Ln Grp LOS D D D D D D D C B B Approach Vol,veh/h 366 262 1101 1001 Approach Delay,s/veh 36.0 36.8 42.7 15.0 Approach LOS D D D B Timer: 1 2 3 4 5 6 7 8 Assigned Phs 1 2 8 4 6 5 Case No 2.0 4.0 12.0 12.0 4.0 2.0 Phs Duration(G+Y+Rc),s 6.6 45.2 13.0 15.2 30.0 21.8 Change Period(Y+Rc),s 4.0 5.0 4.0 4.0 *5 5.0 Max Green(Gmax),s 6.0 25.0 16.0 16.0 *25 6.0 Max Allow Headway(MAH),s 5.3 7.1 6.3 5.5 7.3 7.1 Max Q Clear(g_c+11),s 3.4 15.3 7.9 10.1 24.7 5.3 Green Ext Time(g_e),s 0.0 6.4 1.2 1.1 0.2 0.0 Prob of Phs Call(p_c) 0.52 1.00 1.00 1.00 1.00 0.86 Prob of Max Out(p_x) 1.00 0.00 0.57 0.87 0.00 1.00 Left-Turn Movement Data Assigned Mvmt 1 3 7 5 Mvmt Sat Flow,veh/h 1774 1331 1677 1774 Through Movement Data Assigned Mvmt 2 8 4 6 Mvmt Sat Flow,veh/h 2923 1195 1769 3165 Right-Turn Movement Data Assigned Mvmt 12 18 14 16 Mvmt Sat Flow,veh/h 603 964 167 397 Left Lana Group Data Assigned Mvmt 1 0 3 7 0 5 0 0 Lane Assignment Prot) L+T L+T Prot) Lanes in Grp 1 0 1 1 0 1 0 0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 Grp Vol(v),veh/h 33 0 139 190 0 89 0 0 Grp Sat Flow(s),veh/h/In 1774 0 1796 1779 0 1774 0 0 Q Serve Time(g_s),s 1.4 0.0 5.9 8.1 0.0 3.3 0.0 0.0 Cycle Q Clear Time(g_c),s 1.4 0.0 5.9 8.1 0.0 3.3 0.0 0.0 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 0 0 0 0 0 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 0 0 0 0 0 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Time to First Blk(g_f),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop LT Inside Lane(P_L) 1.00 0.00 0.74 0.94 0.00 1.00 0.00 0.00 Lane Grp Cap(c),veh/h 80 0 225 271 0 394 0 0 V/C Ratio(X) 0.41 0.00 0.62 0.70 0.00 0.23 0.00 0.00 Avail Cap(c_a),veh/h 155 0 382 378 0 394 0 0 Upstream Filter(I)1.00 0.00 1.00 1.00 0.00 1.00 0.00 0.00 Uniform Delay(d1),s/veh 37.2 0.0 33.2 32.2 0.0 25.5 0.0 0.0 Incr Delay(d2),s/veh 4.8 0.0 3.9 4.7 0.0 0.4 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 42.0 0.0 37.1 36.8 0.0 25.9 0.0 0.0 1st-Term Q(Q1),veh/In 0.7 0.0 2.9 4.0 0.0 1.6 0.0 0.0 2nd-Term Q(Q2),veh/In 0.1 0.0 0.2 0.4 0.0 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 1.00 1.00 0.00 1.00 0.00 0.00 ile Back of Q(50%),veh/In 0.8 0.0 3.1 4.3 0.0 1.7 0.0 0.0 Ile Storage Ratio(RQ%) 0.14 0.00 0.15 0.51 0.00 0.28 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Middle Lane Group Data Assigned Mvmt 0 2 8 4 6 0 0 0 Lane Assignment T T Lanes in Grp 0 1 0 0 1 0 0 0 Grp Vol(v),veh/h 0 458 0 0 530 0 0 0 Grp Sat Flow(s),veh/h/In 0 1770 0 0 1770 0 0 0 Q Serve Time(g_s),s 0.0 13.2 0.0 0.0 22.7 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 13.2 0.0 0.0 22.7 0.0 0.0 0.0 Lane Grp Cap(c),veh/h 0 933 0 0 597 0 0 0 V/C Ratio(X) 0.00 0.49 0.00 0.00 0.89 0.00 0.00 0.00 Avail Cap(c_a),veh/h 0 933 0 0 597 0 0 0 Upstream Filter(I) 0.00 1.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 0.0 12.1 0.0 0.0 25.1 0.0 0.0 0.0 Incr Delay(d2),s/veh 0.0 1.8 0.0 0.0 17.7 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 13.9 0.0 0.0 42.8 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 0.0 6.4 0.0 0.0 11.1 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.0 0.5 0.0 0.0 2.9 0.0 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 6: NE Sunset Blvd & NE 12th St 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 ile Back of Q(50%),veh/In 0.0 6.8 0.0 0.0 14.0 0.0 0.0 0.0 Ile Storage Ratio(RQ%) 0.00 0.17 0.00 0.00 0.27 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Data Assigned Mvmt 0 12 18 14 16 0 0 0 Lane Assignment T+R T+R T+R T+R Lanes in Grp 0 1 1 1 1 0 0 0 Grp Vol(v),veh/h 0 454 123 176 538 0 0 0 Grp Sat Flow(s),veh/h/In 0 1756 1693 1833 1793 0 0 0 Q Serve Time(g_s),s 0.0 13.3 5.5 7.2 22.7 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 13.3 5.5 7.2 22.7 0.0 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.00 0.34 0.57 0.09 0.22 0.00 0.00 0.00 Lane Grp Cap(c),veh/h 0 926 212 280 605 0 0 0 V/C Ratio(X) 0.00 0.49 0.58 0.63 0.89 0.00 0.00 0.00 Avail Cap(c_a),veh/h 0 926 360 390 605 0 0 0 Upstream Filter(I) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 0.0 12.2 33.0 31.8 25.2 0.0 0.0 0.0 Incr Delay(d2),s/veh 0.0 1.9 3.5 3.3 17.6 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 14.0 36.5 35.1 42.7 0.0 0.0 0.0 1st-Terri Q(Q1),veh/In 0.0 6.3 2.6 3.6 11.2 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.0 0.5 0.2 0.3 3.0 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 1.00 1.00 1.00 0.00 0.00 0.00 ile Back of Q(50%),veh/In 0.0 6.8 2.8 3.9 14.2 0.0 0.0 0.0 ile Storage Ratio(RQ%) 0.00 0.17 0.13 0.46 0.27 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 31.1 HCM 2010 LOS C Notes User approved pedestrian interval to be less than phase max green. HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 j -' • c 4-- k- `\T /` `. • 4/ Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 4,4 1 +1.1 Volume(veh/h) 13 45 23 104 35 34 39 1004 138 61 895 7 Number 7 4 14 3 8 18 1 6 16 5 2 12 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1900 1863 1900 1900 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 20 49 24 155 45 54 57 1046 179 73 952 8 Adj No.of Lanes 0 1 0 0 1 0 1 2 0 1 2 0 Peak Hour Factor 0.65 0.92 0.96 0.67 0.77 0.63 0.68 0.96 0.77 0.83 0.94 0.88 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Tum Influence Yes Yes Yes Yes Cap,veh/h 105 228 97 266 65 70 303 1831 313 116 1753 15 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.22 0.22 0.22 0.22 0.22 0.22 0.17 0.61 0.59 0.07 0.49 0.47 Ln Grp Delay,s/veh 26.4 0.0 0.0 32.6 0.0 0.0 28.8 11.3 11.4 44.1 16.7 16.6 Ln Grp LOS C C CBBD BB Approach Vol,veh/h 93 254 1282 1033 Approach Delay,s/veh 26.4 32.6 12.2 18.6 Approach LOS C C B B Timer: 1 2 3 4 5 6 7 8 Assigned Phs 2 1 4 5 6 8 Case No 4.0 2.0 8.0 2.0 4.0 8.0 Phs Duration(G+Y+Rc),s 42.0 17.7 20.3 8.2 51.4 20.3 Change Period(Y+Rc),s 5 5.0 4.0 4.0 5.0 4.0 Max Green(Gmax),s 37 6.0 24.0 9.0 34.0 24.0 Max Allow Headway(MAH),s 8.5 8.3 6.7 5.2 8.3 6.7 Max Q Clear(g_c+11),s 16.8 4.2 5.5 5.2 18.8 14.3 Green Ext Time(g_e),s 13.2 0.1 3.0 0.1 12.5 2.0 Prob of Phs Call(p_c) 1.00 0.72 1.00 0.80 1.00 1.00 Prob of Max Out(p_x) 0.00 1.00 0.07 1.00 0.00 0.50 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow.veh/h 1774 230 1774 894 Through Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow.veh/h 3597 1052 3025 301 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow.veh/h 30 446 517 323 Left Lane Group Data Assigned Mvmt 0 1 0 7 5 0 0 3 Lane Assignment Prot) L+T+R (Prot) L+T+R Lanes in Grp 0 1 0 1 1 0 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 Grp Vol(v),veh/h 0 57 0 93 73 0 0 254 Grp Sat Flow(s),veh/h/In 0 1774 0 1729 1774 0 0 1518 Q Serve Time(g_s),s 0.0 2.2 0.0 0.0 3.2 0.0 0.0 8.9 Cycle Q Clear Time(g_c),s 0.0 2.2 0.0 3.5 3.2 0.0 0.0 12.3 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 1317 0 0 0 1348 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 1754 0 0 0 1808 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 17.3 0.0 0.0 0.0 17.3 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 5.0 0.0 0.0 0.0 13.9 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.9 Time to First BIk(g_f),s 0.0 0.0 0.0 6.4 0.0 0.0 0.0 0.5 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 3.5 0.0 0.0 0.0 0.5 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 0.22 1.00 0.00 0.00 0.61 Lane Grp Cap(c),veh/h 0 303 0 429 116 0 0 402 V/C Ratio(X) 0.00 0.19 0.00 0.22 0.63 0.00 0.00 0.63 Avail Cap(c_a),veh/h 0 303 0 586 222 0 0 540 Upstream Filter(I) 0.00 0.81 0.00 1.00 1.00 0.00 0.00 1.00 Uniform Delay(d1),s/veh 0.0 28.4 0.0 25.9 36.4 0.0 0.0 29.1 Incr Delay(d2),s/veh 0.0 0.3 0.0 0.5 7.7 0.0 0.0 3.5 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 28.8 0.0 26.4 44.1 0.0 0.0 32.6 1st-Term Q(Q1),veh/In 0.0 1.1 0.0 1.7 1.6 0.0 0.0 5.2 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.4 3rd-Term Q(03),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f B%) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 1.1 0.0 1.8 1.8 0.0 0.0 5.6 ile Storage Ratio(RQ%) 0.00 0.17 0.00 0.24 0.27 0.00 0.00 0.26 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 t • , Data Assigned Mvmt 2 0 0 4 0 6 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 468 0 0 0 0 611 0 0 Grp Sat Flow(s),veh/h/ln 1770 0 0 0 0 1770 0 0 Q Serve Time(g_s),s 14.8 0.0 0.0 0.0 0.0 16.7 0.0 0.0 Cycle Q Clear Time(g_c),s 14.8 0.0 0.0 0.0 0.0 16.7 0.0 0.0 Lane Grp Cap(c),veh/h 863 0 0 0 0 1071 0 0 V/C Ratio(X) 0.54 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Avail Cap(c_a),veh/h 863 0 0 0 0 1071 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.81 0.00 0.00 Uniform Delay(d1),s/veh 14.3 0.0 0.0 0.0 0.0 9.5 0.0 0.0 Incr Delay(d2),s/veh 2.4 0.0 0.0 0.0 0.0 1.8 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.7 0.0 0.0 0.0 0.0 11.3 0.0 0.0 1st-Term Q(Q1),veh/In 7.2 0.0 0.0 0.0 0.0 8.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 0.0 0.5 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 4: NE Sunset Blvd & NE 10th St 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 7.7 0.0 0.0 0.0 0.0 8.5 0.0 0.0 Ile Storage Ratio(RQ%) 0.14 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 12 0 0 14 0 16 0 18 Lane Assignment T+R T+R Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 492 0 0 0 0 614 0 0 Grp Sat Flow(s),veh/hM 1857 0 0 0 0 1772 0 0 Q Serve Time(g_s),s 14.8 0.0 0.0 0.0 0.0 16.8 0.0 0.0 Cycle Q Clear Time(g_c),s 14.8 0.0 0.0 0.0 0.0 16.8 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.02 0.00 0.00 0.26 0.00 0.29 0.00 0.21 Lane Grp Cap(c),veh/h 905 0 0 0 0 1072 0 0 V/C Ratio(X) 0.54 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Avail Cap(c_a),veh/h 905 0 0 0 0 1072 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.81 0.00 0.00 Uniform Delay(d1),s/veh 14.3 0.0 0.0 0.0 0.0 9.6 0.0 0.0 Incr Delay(d2),s/veh 2.3 0.0 0.0 0.0 0.0 1.8 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 16.6 0.0 0.0 0.0 0.0 11.4 0.0 0.0 1st-Term Q(Q1),veh/In 7.5 0.0 0.0 0.0 0.0 8.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 0.0 0.5 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 8.1 0.0 0.0 0.0 0.0 8.6 0.0 0.0 ile Storage Ratio(RQ%)0.15 0.00 0.00 0.00 0.00 0.57 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 17.1 HCM 2010 LOS B HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 a' c 4 k 4\t t \* 1 d Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations 4 +111 ft+II 1 1 Volume(veh/h) 124 1207 82 39 813 7 48 23 27 5 38 106 Number 1 6 16 5 2 12 7 4 14 3 8 18 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1863 1863 1900 1863 1863 1900 1863 1863 1900 1863 1863 1900 Adj Flow Rate,veh/h 146 1271 115 45 913 12 57 44 38 8 58 126 Adj No.of Lanes 1 2 0 1 2 0 1 1 0 1 1 0 Peak Hour Factor 0.85 0.95 0.71 0.86 0.89 0.58 0.84 0.52 0.72 0.63 0.66 0.84 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Tum Influence Yes Yes Yes Yes Cap,veh/h 584 2084 188 79 1207 16 221 192 166 311 109 237 HCM Platoon Ratio 1.33 1.33 1.33 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.44 0.84 0.83 0.04 0.34 0.32 0.21 0.21 0.21 0.21 0.21 0.21 Ln Grp Delay,s/veh 16.5 4.8 4.8 46.4 32.2 31.9 34.2 0.0 26.8 27.9 0.0 30.0 Ln Grp LOS B A A DCCC C C C Approach Vol,veh/h 1532 970 139 192 Approach Delay,s/veh 5.9 32.7 29.8 29.9 Approach LOS A C C C Timer: 1 2 3 4 5 6 7 8 Assigned Phs 2 1 4 5 6 8 Case No 4.0 2.0 6.0 2.0 4.0 6.0 Phs Duration(G+Y+Rc),s 30.0 30.3 19.7 6.6 53.8 19.7 Change Period(Y+Rc),s 5 5.0 4.0 4.0 5.0 4.0 Max Green(Gmax),s 25 14.0 28.0 8.0 31.0 28.0 Max Allow Headway(MAH),s 8.2 8.0 6.3 6.5 8.0 6.3 Max Q Clear(g_c+11),s 20.2 6.2 13.5 4.0 12.1 9.9 Green Ext Time(g_e),s 3.7 2.4 2.2 0.1 16.3 2.5 Prob of Phs Call(p_c) 1.00 0.96 1.00 0.63 1.00 1.00 Prob of Max Out(p_x) 0.00 1.00 0.11 1.00 0.00 0.04 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow.veh/h 1774 1195 1774 1311 Through Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow.veh/h 3577 924 3284 524 Right-Turn Movement Data NI Assigned Mvmt 12 14 16 18 Mvmt Sat Flow veh/h 47 798 296 1138 Left Lane Group Data j Assigned Mvmt 0 1 0 7 5 0 0 3 Lane Assignment Prot) Prot) Lanes in Grp 0 1 0 1 1 0 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 Grp Vol(v),veh/h 0 146 0 57 45 0 0 8 Grp Sat Flow(s),veh/h/In 0 1774 0 1195 1774 0 0 1311 Q Serve Time(g_s),s 0.0 4.2 0.0 3.6 2.0 0.0 0.0 0.4 Cycle Q Clear Time(g_c),s 0.0 4.2 0.0 11.5 2.0 0.0 0.0 3.6 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 1195 0 0 0 1311 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 0 0 0 0 0 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 16.7 0.0 0.0 0.0 16.7 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 8.8 0.0 0.0 0.0 13.5 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 3.6 0.0 0.0 0.0 0.4 Time to First Bik(g_f),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Serve Time pre Blk(g_fs),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 Lane Grp Cap(c),veh/h 0 584 0 221 79 0 0 311 V/C Ratio(X) 0.00 0.25 0.00 0.26 0.57 0.00 0.00 0.03 Avail Cap(c_a),veh/h 0 584 0 405 200 0 0 513 Upstream Filter(I) 0.00 0.69 0.00 1.00 1.00 0.00 0.00 1.00 Uniform Delay(d1),s/veh 0.0 16.3 0.0 33.3 37.5 0.0 0.0 27.8 Incr Delay(d2),s/veh 0.0 0.2 0.0 0.9 8.9 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 16.5 0.0 34.2 46.4 0.0 0.0 27.9 1st-Term Q(Q1),veh/In 0.0 2.0 0.0 1.2 1.0 0.0 0.0 0.1 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 2.0 0.0 1.2 1.2 0.0 0.0 0.2 ile Storage Ratio(RQ%) 0.00 0.23 0.00 0.06 0.12 0.00 0.00 0.01 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 2 0 0 4 0 6 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 0 1 0 0 Grp Vol(v),veh/h 452 0 0 0 0 683 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 0 1770 0 0 Q Serve Time(g_s),s 18.2 0.0 0.0 0.0 0.0 9.9 0.0 0.0 Cycle Q Clear Time(g_c),s 18.2 0.0 0.0 0.0 0.0 9.9 0.0 0.0 Lane Grp Cap(c),veh/h 597 0 0 0 0 1123 0 0 V/C Ratio(X) 0.76 0.00 0.00 0.00 0.00 0.61 0.00 0.00 Avail Cap(c_a),veh/h 597 0 0 0 0 1123 0 0 Upstream Filter(I)1.00 0.00 0.00 0.00 0.00 0.69 0.00 0.00 Uniform Delay(d1),s/veh 23.6 0.0 0.0 0.0 0.0 3.0 0.0 0.0 Incr Delay(d2),s/veh 8.7 0.0 0.0 0.0 0.0 1.7 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 32.2 0.0 0.0 0.0 0.0 4.8 0.0 0.0 1st-Term Q(Q1),veh/In 8.8 0.0 0.0 0.0 0.0 4.6 0.0 0.0 2nd-Term Q(Q2),veh/In 1.4 0.0 0.0 0.0 0.0 0.5 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 2: Edmonds AV NE & NE Sunset Blvd 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 10.2 0.0 0.0 0.0 0.0 5.1 0.0 0.0 Ile Storage Ratio(RQ%) 0.29 0.00 0.00 0.00 0.00 0.33 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Right Lane Group Data Assigned Mvmt 12 0 0 14 0 16 0 18 Lane Assignment T+R T+R T+R T+R Lanes in Grp 1 0 0 1 0 1 0 1 Grp Vol(v),veh/h 473 0 0 82 0 703 0 184 Grp Sat Flow(s),veh/h/ln 1854 0 0 1722 0 1810 0 1662 Q Serve Time(g_s),s 18.2 0.0 0.0 3.2 0.0 10.1 0.0 7.9 Cycle Q Clear Time(g_c),s 18.2 0.0 0.0 3.2 0.0 10.1 0.0 7.9 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.03 0.00 0.00 0.46 0.00 0.16 0.00 0.68 Lane Grp Cap(c),veh/h 626 0 0 359 0 1149 0 346 V/C Ratio(X) 0.76 0.00 0.00 0.23 0.00 0.61 0.00 0.53 Avail Cap(c_a),veh/h 626 0 0 624 0 1149 0 602 Upstream Filter(I)1.00 0.00 0.00 1.00 0.00 0.69 0.00 1.00 Uniform Delay(d1),s/veh 23.6 0.0 0.0 26.3 0.0 3.1 0.0 28.2 Incr Delay(d2),s/veh 8.3 0.0 0.0 0.5 0.0 1.7 0.0 1.8 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 31.9 0.0 0.0 26.8 0.0 4.8 0.0 30.0 1st-Term Q(Q1),veh/In 9.2 0.0 0.0 1.5 0.0 4.7 0.0 3.6 2nd-Term Q(Q2),veh/In 1.4 0.0 0.0 0.0 0.0 0.5 0.0 0.2 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 10.6 0.0 0.0 1.5 0.0 5.3 0.0 3.8 ile Storage Ratio(RQ%) 0.30 0.00 0.00 0.08 0.00 0.34 0.00 0.19 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 17.9 HCM 2010 LOS B Notes . HCM 2010 computational engine requires equal clearance times for the phases crossing the barrier. PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 J *- " c f- k 4\T 1 d Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations I 14,1 14,4,4+ Volume(veh/h) 21 1156 44 66 926 3 37 8 67 8 16 19 Number 1 6 16 5 2 12 7 4 14 3 8 18 Initial Q,veh 0 0 0 0 0 0 0 0 0 0 0 0 Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Parking Bus Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Adj Sat Flow,veh/h/In 1863 1863 1900 1863 1863 1900 1900 1863 1900 1900 1863 1900 Adj Flow Rate,veh/h 28 1284 61 77 1007 8 41 16 89 12 28 32 Adj No.of Lanes 1 2 0 1 2 0 0 1 0 0 1 0 Peak Hour Factor 0.75 0.90 0.72 0.86 0.92 0.38 0.90 0.50 0.75 0.67 0.57 0.59 Percent Heavy Veh,% 2 2 2 2 2 2 2 2 2 2 2 2 Opposing Right Turn Influence Yes Yes Yes Yes Cap,veh/h 466 1634 78 488 1754 14 104 38 132 74 109 104 HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Prop Arrive On Green 0.26 0.47 0.46 0.28 0.49 0.47 0.14 0.14 0.14 0.14 0.14 0.14 Ln Grp Delay,s/veh 22.2 24.8 24.7 22.2 17.1 17.0 34.9 0.0 0.0 31.7 0.0 0.0 Ln Grp LOS C C C C B B C C Approach Vol,veh/h 1373 1092 146 72 Approach Delay,s/veh 24.7 17.4 34.9 31.7 Approach LOS C B C C Timer: 1 2 3 4 5 6 7 8 Assigned Phs 2 1 4 6 5 8 Case No 4.0 2.0 8.0 4.0 2.0 8.0 Phs Duration(G+Y+Rc),s 42.0 24.0 14.0 41.0 25.0 14.0 Change Period(Y+Rc),s 5.0 4.0 4.0 5.0 4.0 4.0 Max Green(Gmax),s 37.0 6.0 24.0 36.0 7.0 24.0 Max Allow Headway(MAH),s 9.2 5.1 5.8 9.2 5.1 5.8 Max Q Clear(g_c+11),s 17.9 2.9 8.9 27.1 4.6 5.0 Green Ext Time(g_e),s 14.2 0.1 1.2 8.3 0.1 1.3 Prob of Phs Call(p_c) 1.00 0.46 0.99 1.00 0.82 0.99 Prob of Max Out(p_x) 0.00 1.00 0.02 0.00 1.00 0.00 Left-Turn Movement Data Assigned Mvmt 1 7 5 3 Mvmt Sat Flow,veh/h 1774 339 1774 157 Through Movement Data Assigned Mvmt 2 4 6 8 Mvmt Sat Flow.veh/h 3599 278 3440 792 Right-Turn Movement Data Assigned Mvmt 12 14 16 18 Mvmt Sat Flow.veh/h 29 963 163 759 Left Lane Group Data Assigned Mvmt 0 1 0 7 0 5 0 3 Lane Assignment Prot) L+T+R Prot) L+T+R Lanes in Grp 0 1 0 1 0 1 0 1 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 Grp Vol(v),veh/h 0 28 0 146 0 77 0 72 Grp Sat Flow(s),veh/h/In 0 1774 0 1579 0 1774 0 1707 Q Serve Time(g_s),s 0.0 0.9 0.0 3.9 0.0 2.6 0.0 0.0 Cycle Q Clear Time(g_c),s 0.0 0.9 0.0 6.9 0.0 2.6 0.0 3.0 Perm LT Sat Flow(s_I),veh/h/In 0 0 0 1364 0 0 0 1309 Shared LT Sat Flow(s_sh),veh/h/In 0 0 0 1837 0 0 0 1847 Perm LT Eff Green(g_p),s 0.0 0.0 0.0 11.0 0.0 0.0 0.0 11.0 Perm LT Serve Time(g_u),s 0.0 0.0 0.0 8.0 0.0 0.0 0.0 4.1 Perm LT Q Serve Time(g_ps),s 0.0 0.0 0.0 3.9 0.0 0.0 0.0 0.0 Time to First BIk(g_f),s 0.0 0.0 0.0 2.4 0.0 0.0 0.0 4.9 Serve Time pre BIk(g_fs),s 0.0 0.0 0.0 2.4 0.0 0.0 0.0 3.0 Prop LT Inside Lane(P_L) 0.00 1.00 0.00 0.28 0.00 1.00 0.00 0.17 Lane Grp Cap(c),veh/h 0 466 0 275 0 488 0 287 V/C Ratio(X) 0.00 0.06 0.00 0.53 0.00 0.16 0.00 0.25 Avail Cap(c_a),veh/h 0 466 0 542 0 488 0 570 Upstream Filter(I) 0.00 1.00 0.00 1.00 0.00 0.89 0.00 1.00 Uniform Delay(d1),s/veh 0.0 22.1 0.0 32.7 0.0 22.0 0.0 31.1 Ina Delay(d2),s/veh 0.0 0.1 0.0 2.3 0.0 0.2 0.0 0.6 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 0.0 22.2 0.0 34.9 0.0 22.2 0.0 31.7 1st-Term Q(Q1),veh/In 0.0 0.5 0.0 3.0 0.0 1.3 0.0 1.4 2nd-Term Q(Q2),veh/In 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.1 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 0.00 1.00 0.00 1.00 0.00 1.00 0.00 1.00 ile Back of Q(50%),veh/In 0.0 0.5 0.0 3.2 0.0 1.3 0.0 1.5 ile Storage Ratio(RQ%) 0.00 0.08 0.00 0.06 0.00 0.22 0.00 0.10 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Assigned Mvmt 2 0 0 4 6 0 0 8 Lane Assignment T T Lanes in Grp 1 0 0 0 1 0 0 0 Grp Vol(v),veh/h 495 0 0 0 660 0 0 0 Grp Sat Flow(s),veh/h/In 1770 0 0 0 1770 0 0 0 Q Serve Time(g_s),s 15.9 0.0 0.0 0.0 25.0 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 15.9 0.0 0.0 0.0 25.0 0.0 0.0 0.0 Lane Grp Cap(c),veh/h 863 0 0 0 841 0 0 0 V/C Ratio(X) 0.57 0.00 0.00 0.00 0.78 0.00 0.00 0.00 Avail Cap(c_a),veh/h 863 0 0 0 841 0 0 0 Upstream Filter(I) 0.89 0.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 14.6 0.0 0.0 0.0 17.6 0.0 0.0 0.0 Incr Delay(d2),s/veh 2.5 0.0 0.0 0.0 7.3 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 17.1 0.0 0.0 0.0 24.8 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 7.7 0.0 0.0 0.0 12.1 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 1.7 0.0 0.0 0.0 PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 2 HCM 2010 Signalized Intersection Capacity Analysis 3: Harrington AV NE & NE Sunset Blvd 9/10/2015 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Ile Back of Q Factor(f B%) 1.00 0.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 8.3 0.0 0.0 0.0 13.8 0.0 0.0 0.0 ile Storage Ratio(RQ%) 0.55 0.00 0.00 0.00 1.38 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Mp Data Assigned Mvmt 12 0 0 14 16 0 0 18 Lane Assignment T+R T+R Lanes in Grp 1 0 0 0 1 0 0 0 Grp Vol(v),veh/h 520 0 0 0 685 0 0 0 Grp Sat Flow(s),veh/h/In 1858 0 0 0 1834 0 0 0 Q Serve Time(g_s),s 15.9 0.0 0.0 0.0 25.1 0.0 0.0 0.0 Cycle Q Clear Time(g_c),s 15.9 0.0 0.0 0.0 25.1 0.0 0.0 0.0 Prot RT Sat Flow(s_R),veh/h/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prot RT Eff Green(g_R),s 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Prop RT Outside Lane(P_R) 0.02 0.00 0.00 0.61 0.09 0.00 0.00 0.44 Lane Grp Cap(c),veh/h 906 0 0 0 871 0 0 0 V/C Ratio(X) 0.57 0.00 0.00 0.00 0.79 0.00 0.00 0.00 Avail Cap(c_a),veh/h 906 0 0 0 871 0 0 0 Upstream Filter(I)0.89 0.00 0.00 0.00 1.00 0.00 0.00 0.00 Uniform Delay(d1),s/veh 14.6 0.0 0.0 0.0 17.6 0.0 0.0 0.0 Incr Delay(d2),s/veh 2.4 0.0 0.0 0.0 7.1 0.0 0.0 0.0 Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Control Delay(d),s/veh 17.0 0.0 0.0 0.0 24.7 0.0 0.0 0.0 1st-Term Q(Q1),veh/In 8.1 0.0 0.0 0.0 12.6 0.0 0.0 0.0 2nd-Term Q(Q2),veh/In 0.6 0.0 0.0 0.0 1.7 0.0 0.0 0.0 3rd-Term Q(Q3),veh/In 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ile Back of Q Factor(f_B%) 1.00 0.00 0.00 1.00 1.00 0.00 0.00 1.00 ile Back of Q(50%),veh/In 8.7 0.0 0.0 0.0 14.3 0.0 0.0 0.0 ile Storage Ratio(RQ%) 0.58 0.00 0.00 0.00 1.43 0.00 0.00 0.00 Initial Q(Qb),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Final(Residual)Q(Qe),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Delay(ds),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Q(Qs),veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sat Cap(cs),veh/h 0 0 0 0 0 0 0 0 Initial Q Clear Time(tc),h 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 HCM 2010 Ctrl Delay 22.5 HCM 2010 LOS C PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 3 HCM 2010 TWSC 5: NE Sunset Blvd & Kirkland Avenue NE 9/10/2015 Intersection Int Delay siveh 4.8 Movement SEL SET SER NWL NWT NWR NEL NET NER SWL SWT SWit Vol,veh/h 0 3 91 11 3 34 69 1185 7 23 910 4 Conflicting Peds,#/hr 0 0 0 0 0 0 0 0 0 0 0 0 Sign Control Stop Stop Stop Stop Stop Stop Free Free Free Free Free Free RT Channelized None None None None Storage Length 100 - - 100 - - Veh in Median Storage,# 0 - 0 - 0 - 0 - Grade,% 0 - 0 - 0 - 0 - Peak Hour Factor 90 90 90 90 90 90 90 90 90 90 90 90 Heavy Vehicles,%2 2 2 2 2 2 2 2 2 2 2 2 Mvmt Flow 0 3 101 12 3 38 77 1317 8 26 1011 4 Major/Minor Minor2 Minorl Majorl Major2 Conflicting Flow All 1877 2542 508 2032 2541 662 1016 0 0 1324 0 0 Stage 1 1064 1064 - 1474 1474 - Stage 2 813 1478 - 558 1067 - Critical Hdwy 7.54 6.54 6.94 7.54 6.54 6.94 4.14 - - 4.14 - - Critical Hdwy Stg 1 6.54 5.54 - 6.54 5.54 - Critical Hdwy Stg 2 6.54 5.54 - 6.54 5.54 - Follow-up Hdwy 3.52 4.02 3.32 3.52 4.02 3.32 2.22 - - 2.22 - - Pot Cap-1 Maneuver 44 27 510 33 27 404 678 - - 518 - - Stage 1 238 298 - 133 189 - Stage 2 339 188 - 482 297 - Platoon blocked,% Mov Cap-1 Maneuver 31 23 510 21 23 404 678 - - 518 - - Mov Cap-2 Maneuver 31 23 - 21 23 - Stage 1 211 283 - 118 168 - Stage 2 267 167 - 363 282 - HCM Control Delay,s 22.9 168.6 0.6 0.3 HCM LOS C F 1M.14 i Capacity(veh/h)678 - - 65 304 518 - - HCM Lane V/C Ratio 0.113 - - 0.821 0.344 0.049 - - HCM Control Delay(s) 11 - - 168.6 22.9 12.3 - - HCM Lane LOS B - - F C B - - HCM 95th%tile Q(veh) 0.4 - - 3.8 1.5 0.2 - - PM 3:00 pm 9/22/2010 2015 Existing Conditions Synchro 9 Report B.Powell Page 1 1 2 3 4 5 4GENERALNOTESAreaSchedule(GSF)Building 1 C 1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED Name Area - schemata OTHERWISE BUILDING 1-LEVEL 1 2,977 SF 2. ALL DIMENSIONS ARE TO FACE OF STUD BUILDING 1-LEVEL 2 _3,060 SF workshop 6,038 SF architect D m // D Schemata Workshop,Inc. . 01 O 4311132 O S 1 O 112 5th Ave NCI)Seattle,WA 9B109 B2 105'-0' I CONTACT:Grace Kim,AIA v(2061285.1589 21'-0' —I 21'-0' I 21'-0' I 21'-0' I 21'-0' I e gracerschemataworkshop.com r owner Renton Housing Authority O 3-BED TH F , r 3-BED TH 3-BED TH C I 2900 tNE 10th St 210 212 )- — — 213 0 Renton,WA 98056 561SF ,. I r--- 3-BEDTH 564SF I 564SF I , r--- 3-BEDTH l , 214 I , CONTACT:Mark Dropper i _ I 564 Sf i 1 Of n '-- 561 Sf I' = v(425)226.1650 0 Al l T ® I No r1 II B1 0 0 L___ 1----,. --I me c• tins] C 1.__=__d :r1-1 CLIlIg> 'O RHA Sunset f _II 0 Court Apartments 0BUILDIN1G-0 1-FLOOR 2 PLAN C2 i/8= 1144-1156 Harrington Ave NE Renton,WA 98056 O O O ® O 0 O O PRIM DATE 1/20/20161036:12 AM B2 105.-0' B 4' 21'-0' 4' 21'-0' 4' 21'-0' 4' 21'-0' 2 t'-0' 3'-3' 8091 B Rang3'0'1 ARCMIECT i Kid I I O aure° `xisHamn 1 r — 4 el - I — —_ _ — .__.. J I42O Ln 42 j DATES r T T T 1 T T V —T _ r g. N PROJECT ISSUER 25,2015 SCHEMATIC DESIGN JANUARY 20.2016 SITE PLAN REVIEW J Al 1L (-T— II TL I' ( fir,\' 11 3-BEDTH o0 3-BEDTH 3-BED I I FEB 01 Z016LI110I —oh 1 I ® I 112 11 113 525 SF I — I 3 BED THark525Sf 114 Mr I J22SF I I01 3- BE1TH1- I I I I }1 M 1 1 LI Lul f 522 SF J 519 SF }-1 1508 r R\ j Author.MK,RS , \, .• n Ni L o Li1 7 u J L 11 _\—, L Checker CP PL 0AJI A2 J A 21'-0' J BUILDING 1 - FLOOR 1 2 PLAN ORIGINAL SHEET SIZE.22x34) 65 A2 BUmBLDING01-FLOOR 1 PLAN ED A 111 1 2 3 4 5 Copyright Schemata Workshop,Inc 1 2 3 - 4 5 GENERAL NOTES Area Schedule(GSF)Building 2 414 1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED Name Area schemata OTHERWISE BUILDING 2-LEVEL 1 2,974 SF 2. ALL DIMENSIONS ARE TO FACE OF STUD BUILDING 2_LEVEL 2 3,060 SF workshop 6,035 SF a1 12rchite5thAvct eN D Schemata Workshop,Inc.O7 p p Mr 12 D B2 T p Seattle,WA 98109 105'-0' CONTACT Grace Kim,AIA v(206)285.1589 21'-0' 21'-0' f 21'-0'_ 421-0' a grace@schemataworkshop.com k j I r O owner I o 3-BERTH_ °° 3-BEDTH 7 Renton Housing Authority O 2900 NE 10th St 220 I ' I 223 I C Renton,WA 98056 561 SF l r--- 3-BED TH 3-BED TH -- I 563SF C r 3-BERTH 1 1 CONTACT:Mark Cropper I— lvi 221 i 222 I , 224 LJ v(425)226 1 650 564 SF t 564 SF 561 SF I. m m.® F!I! LIlIiININI I m c 1L. ji c o ; n i! _O RHA Sunset 4_ l_ I - O Court j J 1 Apartments 10BUILDING 2-FLOOR 2 PLAN 1/e'=1'-0 1144-1156 Harrington Ave NE Renton,WA 98056 OO O m10 11 12 PRINT DATE 1/20/201610:36:13 AM B2 105'-0' Jr21'-0' t 21'-0' - 1 21'-0' +42-0't3'-3'I8001 B 3-g ' REGI000 tm I. lb. maI ro - - : f I.- - 11-0 10,-0. I , ® 1 '1.-4' 0 SpaO wk uv J FE 2 in Li MI III irl__AM 1 .."_111.=. __ 1 Iii E Ei all F.- Ll -7-' 0 f HMI a.J p PROJECT ISSUE DATES 7 On r NOVEMBER 25,2015 SCHEMATIC DESIGN _t \_ AN*0101 1 1[ JANUARY 20,2016_" SITE PLAN REVIEW ., -Al 1- 1 r t TT v 11111 Alli IIIII i ,- i FEB 01 2J.03-BED TH 3-BED TH3-BED iAIL 11111 (11111 23 I I0 1 OF 11111 522 SF I 3-BED TH 3-BED TH 525 SF 3-BED TH B1Jr121122124 i ce? r''' o l; I o I n 1 I II' IM I I I E L0 I L- 522 SF r 522 SF 1 519 SF L,' ,•"I O 1506 i.; . i:. L— Author:MK,RS L- w i.- rr--' t = -- L Wm JI - - Checker:CP A a J I L J I 21.-0' A2 A CO I BUILDING 2 - FLOOR 1 2 PLAN ORIGINAL SHEZE:22x34) cii A2 BUILDING1/a' 1'0' 2-FLOOR 1 PLAN ED Ai 1 1 2 3 4 5 Copyright Schemata Workshop,Inc e e 1 2 3 4 5 ROOF PLAN LEGEND 1124, ASPHALT SHINGLE ROOFING schemata workshop architect Schemata Workshop,Inc.DD 112 5th Ave N Seattle,WA 98109 CT) CD 0 1 vC012NoT6A) 2C8T5:.1G5r8a9ce Ki m,A IA e grace@schemataworkshop corn 0 IC? q r i z I I ownerE1 - 7.:--- I _I _ "/1,M,_ -111/T/1,0 --=- Renton Housing Authority5"/1,0"7_,_-_--—11 1/T/1,0 ----c, i - - 01 2900 NE 10th Stet--___________:___,./_— liewil-m--x Renton,WA 98056 i.e.- — .- -- '' 0 J-- --:...---mm--- ---' _ ___... ...__ ..-.. .. fia-----------2_WIN CONTACT:Mark Gropperis-r.--).-i-,.... a',e•-o"v 1425)226.1850eI=.=. i.,.--.... 7..=_:,-_- _ - r..., III=M\ ----='----- "ar-=----:---- ---I.. y. _ _ -.. =,.. .. __._ WIT - -77_=_, .. i... I MI .,... . •-' - 1 r. --- a.T__ A . - - --..f. Cifi _wwwwwiift 1-- 11 - id -- ---- =-_-=. r ---_-__-- - --- -- 7 1---5, 7 -_ WIM _ w _i 4,,-----_=•-. , _ -7_- Cvf - 1,-- ww - 7- -- . .._.:.-:- ..1111 _=•. - e . VE-7 7-e.--. ---'t' ''. --r_.-----=-=_----_--T-=-7•-------,_-_--- t-a-------,-------- - --- I A_ - -1=-. ---- if 10_ .- - 1 -7 If 0 RHA Sunset z.n.„.______,„._,.___ _ ___„. _-6./1,0-=----.=. 111/7/1,o..111/7/V-0.--• 5''/V-Cf.- I WK--_ 01, Court1. I I I I ENTRY CANOPY,TYP. Apartments 0 Biu/80..702._ROOF PLAN ED 1144-1156 Harrington Ave NE Renton,WA 98056 PRINT DATE 1/20/2016 10.36.15 AM ID 0T4 B 8401 \ 7 \REGISTEREDARCHITECTBT 0 efitz6 ti.F-4.-- r-- wil.,1 .,1,0- : il 1,2",,._0-—41 .—_-_,-- _ -5'1 1.._Cr 1 i IZ/1 PIM 7,--_._ •_v4-----I---: ,M STATEOF461M TIM 11 _1iAl. - 1. k mini. i -u.illimPlooliglIM i)3."-""`e0 si 1.r ,-.. - 011.9101 -- __ art.',. --,' - -_ -''--r=. ... - --.-'!---- = ''.." ' •••••=--. a"__ 1115 -, --..----.w=---,--,====- ---7 , -=...1S------_-_-— 74.......„ es PROJECT ISSUE DATESs=. r--... .. ... 7_ RMIMIZWIff4 . ..,, Ol.... NOVEMBER 25,2015 SCHEMATIC-DESIGN e JANUAHY 20;-201C-*.l__SITE PLA.N REVIEW, R.----- MC"Illio•-•11W1111='''=:- ------ 1W-''------- i 11._.r 1------ •=-=._____--==----—_____ fl._-=----=-- .M.---- A- v------_ ---t_m„------'=c-_--=_=_---- --=------___-! 1.___A —______-_____ • E.B 0 1 nAb2....=_ , 1 -------- --__=--L=__-------=: ir- _ • - -___ ,,Wk.W. .:_-. 27._._,- --7 .. ..----.* _.• -•:,= r-,______.____., r rr-', .t 1, -3 -• -1 ----- •=•-__•= 7- s-. - .-'-'-, ANt.'. -4.W.-.- -- - a/ ,._41! ""-•'-'- --iM.FM= 1508-__' ---__,---- 4k_ ..,_, .___." /__,.. NI •-.„.,=. .. 1._ , . 7..... ....--- •-., IL___,o, _,_.... . ,,, -----___-„, --_..=_ ,_ i 1 r.Is NING aL _ 1112/V-0" 1=5"/1,0— i i 11 1/2"/1'0' __5!'/v:g_ e 0-- - -- - -1 -Author MK, T.:7j, --,=-..=•--_;.-0 Checker.CP I I I I A ENTRY CANOPY,TYP. A BUILDING 1 &2 - ROOF PLAN BUILDING ROOF PLAN ORIGINAL SHEET SIZE:22x34) 1diA113 1 2 3 4 5 Copyright Schemata Workshop,Inc. 1 I 1 2 3 4 5 GENERAL NOTES Area Schedule(GSF)Building 3 12) 1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED Name Area schemata OTHERWISE BUILDING 3-LEVEL 1 5,886 SF 2 ALL DIMENSIONS ARE TO FACE OF STUD BUILDING 3-LEVEL 2 5,887 SF workshop BUILDING 3-LEVEL 3 3,465 SF 15,238 SF architect D D Schemata Workshop,Inc. 112 5th Ave N Seattle,WA 98109 CONTACT:Grace Kim,AIA v(206)285.1589 e grace@schemataworkshop.com owner Renton Housing Authority 2900 NE 10th St Renton,WA 98056 CONTACT Mark Gropper v(425)226.1850 C C RHA Sunset 0 T 3 f) .T O T T 9 10 T 12 13 T 15 I o u rt 178'-0' Al Apartments 1 i fl3O130' 130'13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' - _ 13'-0' 13'-0' 13'-0' 11'-0' L[iliii_LU UP NP I I —I iJ_L1 J_ll ! i _ d 1144-1156 Harrington Ave NE j Renton,WA 98056 r____,.....,, t____o“ ,. I i Ir 1., 1 I z„, I -- i Elt ig__ ___uLJ i V c: t I 0 PRINT DATE 1/20/201610:36:17 AM n L________ __: L,___, _ s 1 n B L _ Al B II( i1 I1 o 1 i onyloo _ I UP • fit A RCI41.r 1 OD,t 60 U E- .. 1 I ' ADA 3-BED R l-" n- LY i' --, m G w^— B3, I 996 SF 30 I d cii, • o I. -- mim 93 s re`OF wsre iomt 1 ___ 1 L ADA 2-BED _2-BED r, _ _ .. „; n, m I 131 I r I 132 I r i fir'I myitr..e Al781 SF 781 SF a ® PROJECT ISSUE DATESIL1I -BEIL 2BFD _ NOVEMBER25,2015 SCHEMATIC DESIGN I 133 I (134 Hir @ MI I Tit I CO JANUARY 20,2016 SITE PLAN REVIEW 1 -I i i 781 SF I , I 781 SF JLJ 3-BED I- o` - i 1 r1+ 135 O ID 1 - VI ? I• 997 SF L - 1 - 1 OI!I lII Al I IL Al-, r 1 I 1508 7— Author:MK,RS Checker:CP A A At BUILDING3-FLOOR 1PLAN BUILDING 3 FLOOR 1 PLAN ORIGINAL SHEET SIZE:22x34) a cii A 1. c.,1 1 2 3 4 5 Copyright Schemata Workshop,Inc. r 1 2 3 4 _ 5 GENERAL NOTES Area Schedule(GSF)Building 3 13 Name Area schemata1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED BUILDING 3-LEVEL 1 5,886 SF OTHERWISE BUILDING 3-LEVEL 2 5,887 SF workshop2. ALL DIMENSIONS ARE TO FACE OF STUD BUILDING 3-LEVEL 3 3,4655E 15,238 SF architect D D Schemata Workshop,Inc. Ave Seattle,WA 98109 CONTACT:Grace Kim,AIA v(206)285.1589 e gracero schemataworkshap corn owner Renton Housing Authority 2900 NE 1Oth St Renton,WA 98056 CONTACT:Mark Dropper v(425)226.1850 C C RHA Sunset 0 0 OEsilln o D 0 0 14 15 Court 7I-O Al 11'-0' } 13• 0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 11'-0' ' Apartments m UP DN DN_ I I, ii a 6 -- moo d 0 11441156 Harrington Ave NE II I a, Renton,WA 98056 • EMI . Ii I P ' ' Lt O = I— V o 0 PRINT DATE 1/20/201610:36:18AM n. 4 I ob Oo I 4 I ', i 0 II 7 a ill B I] _ 1_ I/ ILJi— o l lip!T. pii t DN n` B eoo7AARGda ° 3-BED l l 7 R Y ni p fILAB3LI230IW.r 44 i r__ _ I I B3aetQxar 1 II 996 SF rnk I Id su oFwas rromv 2-BED I 2-BED j, 1 I i. m 231 1---- I 232 r ) 71 1 i o L viv L— i 781 SF I III 781 SF I r IL V :( PROJECT ISSUE DATES IIIIIIIIIIII jj NOVEMBER 25,2015 SCHEMATIC DESIGN H. of 1 Ci D1 o o— I ® I I Fp! 11 11 ir II u O JANUARY2O,2O16/ SITE PLAN REVIEW_ I IL I JA I ,it I I O l II EB ® 120i' Al T R ` O II z7, 1508 C',7Nn C"' L..'-. co.I dl Author:MK,RS- ,i i)'i': •Dl '''-.-'.•:L. Checker:CP A A Al BUILDING3-FLOOR 2PLAN BUILDING 3 FLOOR 2 1/8'=10' ORIGINAL SHEET SIZE:22x34) F 1 32 1 2 3 4 5 Copyright Schemata Workshop,Inc 1 2 3 4 5 GENERAL NOTES Area Schedule(GSF)Building 3 P 1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED Name Area schemata OTHERWISE BUILDING 3-LEVEL 1 5,886 SF 2. ALL DIMENSIONS ARE TO FACE OF STUD BUILDING 3-LEVEL 2 5,887 SF workshop BUILDING 3-LEVEL 3 3,465 SF _ 15,238 SF architect D D Schemata Workshop,Inc. 112 5th Ave N Seattle,WA 98109 CONTACT:Grace Kim,AIA v(206)285.1589 e grace@schemataworkshop.com owner Renton Housing Authority 2900 NE 1Oth St Renton,WA 98056 CONTACT:Mark Gropper v(425)226.1850 C C RHA Sunset 0 O O O Y 6 O O O 10 0 12 13 0 0 Court B Al Apartments111.-0' 13'-0' 13%0' 13'-0' 1 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' y 11'-D' 1 1 I I i I I i 1 i O c DN I o I d I o I I 1 i 1144-1156 Harrington Ave NE e C- r` 7 g Renton,WA 98056 C DN n 1 I sll T i r _ T PRINT DATE 1/20/20,610:36:20AM f; ^fY:may-_ s vro—r-o— o` 8001 CHITECT 0 B3 0REGISTERED 1 1l1 -, I I B3 aFwisli roryi Sim I I L R O STALE it I r. Ili Tilr r 331 1- I W' L 2-BED i i 1 1 I' ',aI' I I e. g— PROJECT ISSUE DATES r 807 SF I Z — I__ Z ' NOVEMBER 25,2OJ 5 CHEMATIC DESIGN JANUARY200 > SITEPIANREVIMIiLJ!! E =i_332 I 333 I Ty a L.- EP 0QDI807SF ' 1W FEB 1 LElON j Ali P,` ..III , .:•. P. O Author: f!V s - _ i Author.MK.RS Checker:CP A A affli BUILDING 3-FLOOR 3PLAN BUILDING 3 FLOOR 3IMF1/8'=I-0' PLAN n ORIGINAL SHEET SIZE:22x341 a AA13333 1 2 3 4 5 Copyright Schemata Workshop,Inc. 1 2 3 4 5 ROOF PLAN LEGEND C4 schemata ASPHALT SHINGLE ROOFING workshop architect D D Schemata Workshop,Inc. 112 5th Ave N Seattle,WA 98109 CONTACT:Grace Kim,AIA v(206)285.1589 e gracalschemataworkshop.com owner Renton Housing Authority 2900 NE 10th St Renton,WA 98056 CONTACT:Mark Gropper v(425)226.1850 C C RHA Sunset 0 0 0 0 0 0 0 e 0 0 0 0 0 0 0 Court Al Apartments f 11'-0' { 13'-0' t 26,-0' t 13'-0' 13•-0' { 26 0' 26;-0' Jr13'-0' Jr13'-0' t 13%0' Jr11I0' Jr E - - -_-1 L Otlille i d--- - I 1 O I IAmmit11441156HarringtonAveNE W-e Renton,WA 98056 1'-0'_- f 1'-0 _e"/1'-0"— /1'-0-1' t'-0-- . A_ I ct— _ A 1. --ice _ _ col - Oc i PRINT DATE 1/20/20161036:21AM s mac= 7,1 r 1.-,, k_ . jT-, _ — _ _ try./` IT-0- . _ -i .-0 B 1 REGISTERED y l"'-. e tL0 ARCHITECT v } i ce N- . f n-0 M-- -- I. c. mil t I a1 a _ y„ PROJECT ISSUE DATES 77... Pel; gam- _- -. _F•- __-A- ,c----. — + '-^- __M. 1 r flit — L —— i — - - NOVEMBER 25 2015 SCHEMAI1C DESIGN yrrIJANUARY20,2016 SITE PLAN REVIEW a o 1 I I I 1 I I 1 I I I r Al 1508 J i O Author:MK,RS Checker:CP A A BUILDING 3-ROOF PLAN 1/8'=1,0' BUILDING 3 ROOF PLAN ORIGINAL SHEET SIZE 22x34) 2a 71 A,..,...A134 1 2 3 4 5 Copyright Schemata Workshop,Inc. 1 2 3 4 5 9 10 A331 1 Y 13 14 15 T T 18 Area Schedule(GSF)Building 4 C ) I Name Area 115'-0' I BUILDING 4-LEVEL 1 6,935 SF schemata T 1 13'-0' L 13'-0' 13'-0' L 13'-0' 13'-0' 13'-0' 13'-0' 13'-0' 11'-0' j BUILDING 4-LEVEL 2 6,791 SF II j¶ BUILDING 4-LEVEL 3 6,553 SF rr t —I_ — — • •— © 77, 20.279 SF rehj architect I I, I I, I I Schemata Workshop,Inc.D 469 __ _ _J _1 I GENERAL NOTES ar. D 112 5th Ave N FF q q h R4 l —`— Seattle,WA 98109 I I I I I I I I 1 1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED CONTACT:Grace Kim,AIA 1 OTHERWISE v(206)285.1589III o I I UP 2. ALL°— • — s a grace@schemataworkshop.com 7 I HI oo .. mil 1 oo eyi _ ( 77 m owner II II 07 IL I— M 3 I a o I Renton Housing Authority I 2900 NE 10th StID _ II I i ® GI D_ • J—— — —° I, r I IU—_ — , L...... =_=_a Renton.WA 98056 Nil, I l `i I ® CONTACT:Mark Cropper u I 111 1=171- —Id i_iII _I i 11-11 I I O v)425)226.1850 I I 1-BED r 1-BED— I 1-BED 2-BED 3-BED I 1 t I I 143 I 7 I 144 op1 ` J I 145 I 146 — it I 147 I I Al 581 SF 582 SF -' , 581 SF 781 SF I I ILJI 1,011 SF o® ` eta1 o ` p_ o 1 JJrtixff - ---- - O RHA SunsetIII1 1 I L 1 1 I 1 I I I 1= 1a I i I o Court 1 i a C2 BUILDING04-FLOOR 1 PLAN-WEST Apartments 1144-1156 Harrington Ave NE 2 O O O Renton,WA 98056 too'-o I I I I I I I I PRINT DATE 1/20/2016 10:36:23 AM 1 11'-0' --, -11'-0' 1.--13'-0' 13'0'— . 13'-0' 13'-0' 13'-0' 13'-0° — — — 1 — — I IIl s'i'P5' PS=Fh B I I IIIII I IIILI,I I J r — I— — — — - UP IIIIfI ,_6,4d-Lilo _ BARCHRECT OFW,S J UP I I I I I 0 W t I I El , 1 rii.AUNDRY ,; -s .. I- I J r:-_-= 00 0o I PROJECT ISSUE DATES 148 I i - 1on II 10' lin U LI n 0 NOVEMBER 25,2015 SCHEMATIC DESIGN 124 SF n I 1 JANUARY 20,2016 SITE PLAN REVIEW U t- 0 r CI G'- i wig' C III CI c_,,,, —' I_ I _u-11 _ "IN., n I ink O Fap ?-'' r 0 Al 3-BED r 5-2-BED I ADA 1-BED 1 ' I 140 I . 0 o I 141 I I 142 I R 1 I1,011 SF I 781 SF 582 SF rjtJ', Y 1508,E I u al 1 1 O r_y r`, , ' • „ CAutyocMK.RS e- I e4iba- I — PL ` ;•1;': Checker:CP r — — III O I I I 1 I 0 BUILDING 4- FLOOR.1 I I I I I I A3 I I 1 1 PLAN I 1 1 01 wle I a ORIGINAL SHEET SIZE:22x34) a IU a) A 1 41OBUILDING4-FLOOR 1 PLAN-EASTA2 0 1 2 3 4 5 Copyright Schemata Workshop,Inc. AM 1 2 3 4 5 s 10 1z 3 4 5 1s n 1B Area Schedule GSF Building4 . g24QOO I Q Q 0 0 0 Q II 115'-0' Name _ Area schemata BUILDING 4-LEVEL 1 6,935 SF 13'-0' I 13'-0'13'-0' I 13'-0' I 13'-0' 13'-0' 13'-0' L 13'-0' I 11'-0' I workshopyye. BUILDING4-LEVEL2 6,791SF I BUILDING4-LEVEL3 6,553SF 20,279SF architect r=F59'P1 rrt1 I I I I I D I{ a ; ,, ,,,,,,II Schemata Workshop,Inc. 1 U 11,1] LtlitlJ I O D 112 W N 1P=— GENERAL NOTES Seattle,WA 98109 I I I I I I I I I. 1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED CONTACT:Grace Kim,AIA I I I I I n I a o I DN UP OTHERWISE v(206)285.1589 Y I I 1 IE O— 2. ALL DIMENSIONS ARE TO FACE OF STUD a graceWschemataworkshop.com 0 oo o0 00 I 6 o• MI . owner VW I ' I L- Oil Ith0. 0 I Imo-. WA 98056 FF I—' o 1 . ____cil _ 0 1 — lJ I 11 11 I 11-11 J f[ [ IL CONTACT:Mark Gropper In il. . O v(425)2261850 I I 1 I. I 1-BED 1-BED 1-BE 2-BED 3-BED I 243 ' 244 1 ® 245 I 246 I 247 Al 0 581 SF 582 SF 581 SF I 781 SF 3 I 1,011 SF J' I 0Ir , I- 4_ D RHA Sunset I I 1 I I I I I I I I w 1 I I I Court l a 0BUIILDING04-FLOOR 2 PLAN-WEST Apartments 1144-1156 Harrington Ave NE Renton,WA 98056ItO2Y456789 ) I 100'-0' PRINT DATE 1/20/20161036:25 AM I 11.-0' I 11'-0' I 13,-0. 13'-0' I 13'-0' 13.-0' I 13'-0' I 13'-0' I B Ill B Ai;airtEcr a I - — I I I I I I I I I sane ea wron i --- UP DN L _ I I I I I I I - r, — I I n 1 p f PROJECT ISSUE DATES oo oo no 7 r"i`"II `\1 NOVEMBER 25,2015 SCHEMATIC DESIGNIao I 242_ °mLrll h J L JANUARY 20,2016 SITE PLAN REVIEW C E r 1 1® E FEB 0 . 2016 0 (2) --- i_ [ CI 1 . II-Ca__ _______,.... _ 0 Al 1 c 3BED1LLK - : - 1-BED I .1 PL . .11 I 240 I I 241 242 I 11 c I rP, I 1508 I 1,011 SF j I I 781 SF 582 SF Author MK,RS 6 111-/' CI Checker CP R _ 01_ 0 .iiiA AL c. r J to I — —i— - I r BUILDING 4 FLOOR 2 I I I I I I A3 I I I I 0 PLAN I y i< ORIGINAL SHEET SIZE:22x34) a 2A2 BUILDING 4-FLOOR 2 PLAN-EAST I" CDA ' /'o o 1 2 3 4 5 Copyright Schemata Workshop,Inc. 1 2 3 4 5 4O10a111z131a151617AreaSchedule(GSF)Building 4 C 115.-0' I 1 1 Name Area Schemata1+ BUILDING 4-LEVEL 1 6,935 SF y - 13.-0' I I 13'-0' y 13'-0' I• 13'-0' I 13'-0' I 13'-0' {I 13'-0' I 13'-0' , 11'-0' i BUILDING 4-LEVEL2 fi.791 SF workshop I I I BUILDING 4-LEVEL 3 6,553 SF 20,279 SF architect D I{'I III IIIII`I I I o Schemata Workshop,Inc. II'I"Ii„",,,,ON I D 112SthAveN CI GENERAL NOTES Seattle,WA 98109Pa— L I I I I I I I I I, II 1. ALL INTERIOR WALLS ARE TYPE B UNLESS NOTED CONTACT:Grace Kim,AIA I I I I _ I DN OTHERWISE v(206)285.1589 V iti _, I aEl _I - - O 2. ALL DIMENSIONS ARE TO FACE OF STUD a grace®schemataworkshop.com El iii owner in ii A MRentinthoriMr2900N_ o L itgI 0_ .. _ l- _ • I Renton,WA 98056 I Y „ I - I I M;I1,1.4.( o 1 CONTACT:Mark-CropperILIIi Q - r v(425)226.1850 I I- m i 0r 1L LL 11 11 _I O oa. 1-BED 2-BED 2-BED a=n Al111-BED 1-BED I 345 I F. I 346 Irl 347 606 SF 807 SF II_ 802 SF OJL:5Fii !: i II- !i:i o) I Ilea- - --T= - I I I I I I I N CI Sunset pia L 1 I- 1 1 CourtN1a Ala C2 BUILDING 4-FLOOR 3 PLAN-WEST 1 1 / Apartments r• y/ 1144-1156 Harrington Ave NE z 3 Oa O Renton,WA 98056 1--) 1oo'-o' I I fi T I 11'-0' 1 11'-0' I 13'-0' 13'-0' I 13.-0' I 13.-0' I 13-0' I 13'-0' I PRINT DATE 1/20/201610:36:27 AM B I Mt B nl l e- O OWi.=-- I I I I I I I I I iv i.ON e o_ ._ I n I I' - sureoFws xrron El p I I I 00 I 00 00 I PROJECT ISSUE DATES per - f o BEE I I fL NOVEMBER 25,2015 SCHEMATIC DESIGN 1 MI 340 1 h 1 ANUARY20 2016 SITE PLAN REVIEW11- 1-11-1111h4lii r COw. I Cr 2-BED 1 ;iik :-1'- -e 2-BED 1-BED NO — r tr,7 ' I S—— r_J 3q0 r i I! L 3a1 I fl 3az v ft l'•'- ply SiC)N 1508 III P- Author:MK,RS802SF `I L 807 SF 607 SF f 1`..''1V I Checker:CP 0 BUILDING 4- FLOOR 3A3 I. I I I PLANIDIILi]a c,1 a ORIGIORIGI NAL SHEET SIZE:22x34) a NIL 63 O B BLDIN-0-FLOOR 3 PLAN-EAST 43o 1 2 3 4 5 Copyright Schemata Workshop,Inc 1 2 3 4 5 ROOF PLAN LEGEND T 10 A331 11 12 13 14 15 i6 17 18 115'-0' ASPHALT SHINGLE ROOFING schemata i 13'-0' 261-0' 26I-0' 13'-0' 13'-0' 13'-0' 11.-0' j workshop architectIarhit I o Schemata Workshop;Inc. D j O D a l_ 112 5th Ave N e _— = -.,— —_ Seattle.WA 98109 e s Z7I CONTACT:Grace Kim,AIA 1 v 1206 2851589 1 a. % . egrace@schemataworkshop.com a 1- . r r-o• r r-0^ 1 Fes-.,—0,r t-a' aIra1e ter--.i 11_..-- L r'— S owner r. Renton Housing Authority T^_ - F _ar-- Renton,WA 98056 2900 N th St errr... ..... ..... . .. .... "''',. "..'' I.- .. 3. i.. upperCONTACTMarkGropper r` v(425)226.1850 r 1 a Z - J_S r.. -s...s L."r err • a r a Al f 41mu____ O RHA Sunset I I I I I I I I I I I O w'I I 1— I 1 . I Court c(a yia 0 BUILDING 4.-ROOF PLAN-WEST CD Apartments 1144-1156 Harrington Ave NE OO O O 6 7 0 Q Renton,WA 98056 100'-0• 1 I I I I I 1 1 I I PRINT DATE 1/20/201610.36 28 AM 1 V-0' 11'-0' 13'-0' 13'-0' 13'-0' 26'-0' 13'-0' I I I IIIEl 8001 g t O 8 i \ G i, 7„.I IV=TON T- oe i m 1r C PROJECT ISSUE DATES 1, JANUARY20,201065 SCHEMATIC DESIGN SITEPLANREVIEW 4— .—a - T—.,ra — i g ` '1 '''- 1 T s - ' r i 7 O r Y ' r Al f--`-- = 4. FEB 0 _ 2 mr.' ca B}-- - - - - _ c_r, •- --- C 7 r u '" i 'r Niuthor:MK,RSA yr—_ O r':J- .Y checker CP I _ P `NN11VG DI./.c:UR1 ram I A i I A3 I I CO BUILDING 4 ROOF I 0 wli PLAN w I ORIGINAL SHEET SIZE'22x34) WIC OBUILDING4-ROOF PLAN-EAST c 1 4 4LE 1 2 3 4 - 5 Copyright Schemata Workshop,Inc. schemata workshop January 19,2016,revised September 27,2016 Urban Center Design Overlay District Report to Matthew Herrera City of Renton Community&Economic Development Planning Division 1055 South Grady Way Renton,WA 98057 from Grace Kim r r.r=j i) Schemata Workshop,Inc. 172012tAvenue Seattle,WA 98122 D 120i.( 3 206.285.1589 subject Site Plan Review—Urban Center Design Overlay District Report project name RHA Sunset Court Apartments Pedestrian building entries Guidelines:Developments shall enhance the mutual relationship of buildings with each other,as well as with the roads,open space,and pedestrian amenities while working to create a pedestrian oriented environment.Lots shall be configured to encourage variety and so that natural light is available to buildings and open space. The privacy of individuals in residential uses shall be provided for. Guidelines-Primary entries shall face the street,serve as a focal point,and allow space for social interaction.All entries shall include features that make them easily identifiable while reflecting the architectural character of the building. The primary entry shall be the most visually prominent entry.Pedestrian access to the building from the sidewalk,parking lots,and/or other areas shall be provided and shall enhance the overall quality of the pedestrian experience on the site. Buildings 1,2 and 4 are oriented towards Harrington Avenue NE or vacated Glennwood Avenue NE with pedestrian entries to the buildings all directly accessed off of entry walks that pass through front yards and directly connect to sidewalks along the ROW. Entries are easily identifiable by being recessed and provided with weather-protection overhangs.Building 3 is oriented to a landscaped pedestrian only central courtyard Transition to surrounding development Guidelines:Careful siting and design treatment shall be used to achieve a compatible transition where new buildings differ from surrounding development in terms of building height,bulk and scale. Buildings are articulated to divide larger architectural elements into smaller increments and roof lines are designed to reduce apparent bulk.Building's 1 and 2,which front Harrington Avenue NE are lower in order to transition to smaller scale residential buildings to the west and north. Location and design of parking Guidelines-Surface pa)king shall be located and designed so as to reduce the visual impact of the parking area and associated vehicles.Large areas of surface parking shall also be designed to accommodate future infill development. schemata workshop inc 1172012th avenue,seattle wa 98122 www.schemataworkshop.com v 206.285.1589 f 206.285.2701 schemata workshop Surface parking is located at the south edge of the property across from the neighboring site's carport,and at the east side of the property,across from the back side of a large retail building.Both parking areas are.screened by 10-foot bioretention landscaping areas at the property line Vehicular access Guidelines:Vehicular access to parking garages and parking lots shall not impede or interrupt pedestrian mobility. The impacts of curb cuts to pedestrian access on sidewalks shall be minimized. Resident and visitor access to parking.is at the SW corner off of Harrington Avenue NE.Alleys are not available.The number of curb cuts along Harrington Avenue NE.is reduced from three to one. Emergency vehicle access to the site is at the SW corner off of Harrington Avenue NE as well as the NE corner off of 11th Avenue N.The drive'aisle at the NE corner off of 11th Avenue N is restricted with an automated gate for use only by emergency vehicles.The surface of the restricted;portion of the drive is grass crete,for a more pedestrian friendly experience where it meets the sidewalk. Pedestrian circulation Guidelines:The pedestrian environment shall be given priority and importance in the design ofprojects. Sidewalks and/or pathways shall be provided and shall provide safe access to buildings from parking areas.Providing pedestrian connections to abutting properties is an important aspect of connectivity and encourages pedestrian activity and shall be considered.Pathways shall be easily identifiable to pedestrians and drivers Numerous pedestrian pathways are provided within the site,linking all buildings,parking areas,amenity spaces,and service areas.Interior site pathways have clear sight lines and also link buildings to existing sidewalks in the ROW. Actual pathways within the parking areas are differentiated visually and materially.A mid-block pathway is provided from the sidewalk along Harrington Avenue NE to the central courtyard. Elevated exterior pedestrian walkways at buildings 3 and 4 are oriented towards the central courtyard with the intent of encouraging community and increasing safety.Nooks on the exterior walkways are intended to encourage informal gathering. Common space Guidelines Developments located at street intersections should provide pedestrian-oriented space at the street corner to emphasize pedestrian activity.Recreation and common open space areas are integral aspects of quality development that encourage pedestrians and users. These areas shall be provided in an amount that is adequate to be functional and usable;they shall also be landscaped and located so that they are appealing to users and pedestrians. Within the central courtyard,recreation space is set aside for children.Rather than use off-the-shelf play structures,the client has requested the reuse of boulders and logs to serve as natural play structures. Bike parking and a barbecue area are also proposed. Building character and massing,rooflines,and materials Guidelines:Building facades shall be modulated and/or articulated to reduce the apparent size of buildings,break up long blank walls,add visual interest and enhance the character of the neighborhood.Articulation,modulation,and their intervals should create a sense of scale important to residential buildings On buildings 1 and 2,modulation occurs at entries and typically at walls between units,resulting in facades that modulate every ten feet.On buildings 3 and 4,which do not face a public ROW,modulation is typically at 13 or 26 foot modules.Since building 4 is longer than 160'in length,it is also modulated vertically at the ends of the building to help reduce the overall bulk of the structure. Numerous discussions between the city and design team occurred during the fall of 2015 addressing concerns that the design of the buildings were too stark for Renton.The design team also met with community members on November 12,2015 to engage current RHA residents and elicit their feedback. schemata workshop January 19,2016,revised September;27,2016 project narrative to Matthew Herrera City of Renton Community&Economic Development Planning Division 1055 South Grady Way Renton,WA 98057 rT- \/ D from Grace Kim OCT U Schemata Workshop,Inc. 1720 12th Avenue 17.VF Seattle,WA 98122 PLANK. . 206.285.1589 I subject Site Plan Review Project Narrative project name RHA Sunset Court Apartments I project size Lot size=83,657 SF minus 1,901 SF ROW dedication=81,756 SF(1.88 acres). Proposed new construction=47,589 total gross SF project location 1104 Harrington Ave NE,1144 Harrington Ave NE,1156 Harrington Ave NE,Renton WA 98056 required land use permits Administrative Site Plan Review zoning designation: Center Village(CV);adjacent properties are also zoned CV. Urban Design District: District D current use The site is comprised of four parcels.Two of the lots contain one duplex each,both of which will be removed.One lot is vacant and one lot is currently used as Sunset Court Park. special site features The site of the Sunset Court Apartments is primarily flat,sloping down roughly four feet from Northeast to Southwest across the site.There are nine existing trees at the north end of the property. soil type&drainage The soils at the site include about one foot of topsoil underlain by a layer of sand with gravel that extended 2 to 6 feet below the topsoil.The sand and gravel layer is in turn underlain by glacial till.At test pits between the existing park and Harrington Place NE revealed a few inches of gravel but no topsoil.Per the geotechnical report;infiltration testing at test pits 1 and 5 measured infiltration rates of 60 inches per hour and 96 inches per hour respectively. proposed use The proposed use is 50 units of residential affordable replacement housing for the Renton Housing Authority divided amongst 4 buildings. (10)units will be 2 story,3-bedroom units,distributed between Buildings 1 and 2. (8)3-bedroom flats,(20)2-bedroom schemata workshop inc 11720 12th avenue,seattle wa 98122 www.schemataworkshop.com v 206.285.1589 f 206.285.2701 schemata workshop flats and(12)1-bedroom flats will be distributed in Buildings 3 and 4.(1)3-bedroom,(1)2-bedroom and(1)1-bedroom will be Type A accessible units. We are proposing parking areas at the south and east portions of the property to accommodate 50 parking spaces on the property. Two trash and recycling enclosures will also be located on the property,as will bike parking structures. The site stormwater management requirements will be fulfilled through the use of bioretention facilities and pervious concrete access Currently,there are three curb cuts along Harrington Ave NE.There is also direct access to the property along the vacated Harrington Place NE along the eastern edge of the property.The proposed parking lot access will be from Harrington Ave NE at the SW corner of the site.An additional emergency vehicle only access point will be from the corner of Harrington Place NE and 11th Avenue N at the NE corner of the site. street closure Once the Contractor is selected,construction staging plans will be discussed with the City. design modifications See attached request. proposed off-site improvements A 5 foot sidewalk,will be set beyond a landscape planting strip along the north edge of the property.New portions of pervious sidewalk will be installed along Harrington Ave NE to match recently constructed improvements.Storm water bioretention planters filled with native vegetation will be provided at the east and south edges of the property. estimated construction cost The construction cost for the proposed buildings and site work has been estimated to be approximately$10,003,000. trees removed There are currently 21 trees on site. 15,existing trees will be removed from the property.6 existing trees to remain. dedicated land 1,901 SF of land along the north edge of the property will be dedicated to City to accommodate an 8-foot planting strip and 5-foot sidewalk. A street dedication will be filed with the City. proposed job shacks The project is being publicly bid,and upon selection of a general contractor any proposed job shacks and their location will be submitted for approval by the City of Renton. distance from ordinary high water mark There is no ordinary high water mark near the property. obstructed view of residential units Two of the proposed buildings are below 30 feet above average grade level.The tallest proposed building is a maximum 38 feet above the average grade level of the site and should not obstruct any views of surrounding residences. schemata workshop • September 28,2016 Matthew Herrera City of Renton Community&Economic Development Planning Division 1055 South Grady Way Renton,WA 98057 SUBJECT: Revisions to Sunset Court Apartments Site Plan City file#LUA161000068,SA-A,V-A Dear Matthew: The Sunset Court Apartments Land Use application has been revised in response to the"On Hold"notice issued on March 29, 2016.Based on conversations with the Renton Fire Department and a meeting with the City of Renton on September 6th,the access entrance at the north end of the property has been redesigned for limited use by emergency vehicles only. A hammerhead turn-around has been paired-with an automated gate to Renton Fire Department standards. The emergency vehicle driveway is set 5 feet away from the adjacent property and is high strength grasscrete to reduce visual competition with the existing sidewalk along Harrington PI NE. Select panels of the existing sidewalk are sloped to meet the grade of the grasscrete driveway. Once complete,the driveway and automated gate will be clearly marked to prevent confusion and unsafe use of the vacated right of way on the neighboring parcel. In response to a concern brought up via email(attached),the water main has been relocated at the north side of the property to avoid other utilities and existing trees designated to be preserved. Additionally,exterior elevations for Building 3&4 have been developed further to fit the larger massing. Specifically,the siding type has been changed in various locations from fiber cement shingles to fiber cement board and batten.The rhythm of fenestration has also been revised. Attachments and revisions(revised items are in bold text) The following list is per the 02/2015"Site Plan Review Submittal Requirements"in effect at time of submittal: 1. Pre-Application Meeting Summary: No changes.Retain original submittal. 2. Waiver Form: No changes;Retain original submittal. 3. Plat Certificate or Title Report: No changes.Retain original submittal. 4. Land Use Permit Master Application: No changes.Retain original submittal. 5. Environmental Checklist: No changes.Retain original submittal. 6. Project Narrative: Attached are 12 copies to replace original submittal 7. Variance Justification: No changes.Retain original submittal. p IC'[ 8. Draft Legal Documents: N/A L. C l! 'kff 9. Urban Center Design Overlay District Report: Attached are 5 copies to replace original submittal ,r 10. Construction Mitigation Description: No changes.Retain original submittal. LT u 2n i 11. Fees: No changes.Retain original submittal. 12. Density Worksheet: No changes.Retain original submittal.Or ' e,J,y'c=%r 3 13. Neighborhood Detail Map: No changes.Retain original submittal. PLANNING DIVISION 14. Overall Site Plan: No changes.Retain original submittal. 15. Site Plan: We have revised the site plan to show a hammerhead and limited use access drive at the NE edge of the property.Attached are(12)11x17 copies to replace the original submittal. 1,6. Conceptual Landscape Plan: No changes.Retain original submittal. 17. Architectural Elevations: Attached are(5)22x34 copies of sheets A231-A242 to replace original A231-A242 18. Floor Plans: No changes.Retain original submittal schemata workshop inc 1172012`h avenue,seattle wa 98122 www.schemataworkshop.com v 206.285.1589 f 206.285.2701 schemata workshop 19. Topography Map: No changes.Retain original submittal 20. Tree Retention/Land Clearing Plan: No changes.Retain original submittal 21. Arborist Report: No changes.Retain original submittal 22. Tree Retention Worksheet: No changes.Retain original submittal . 23. Landscape Analysis: No changes.Retain original submittal • a 24. Wetland Assessment: N/A 1115 25. Standard Stream or Lake Study: N/A 26. Habitat Data Report: N/A 27. Flood Hazard Data: N/A 28. Utilities Plan: The water main and accompanying 15'easement have been relocated at the north end of the property to avoid other utilities as well as a group of three red oaks that are slated to be preserved.Attached are(5)22x34 copies to replace the original submittal. 29. Geotechnical Report: No changes.Retain original submittal 30. Conceptual Grading Plan: No changes.Retain original submittal 31. Drainage Control Plan: No changes.Retain original submittal 32. Drainage Report: No changes.Retain original submittal ' 33. Traffic Study: No changes.Retain original submittal 34. Plan Reductions: One 8 Y"x 11"of each revised plan sheet Site Plan Architectural Elevations Utilities Plan 35. Digital.Copy: Digital copy of each revised item: Project Narrative Urban Center Design Overlay District Report Site Plan Architectural Elevations Utilities Plan 36. Colored Maps: One colored copy of each revised p' Site Plan AGArchitecturalElevations1' If you have any questions regarding these revisions,pleae Sincerely, Christopher Palms Senior Architect i r-•., rrnit:rurrrt nesei.eur r DEPARTMENT OF COMMUNITY C p 7. , ', AND ECONOMIC DEVELOPMENT i I JErtr 1,41 •-"J,e) . vi Planning Division LAND USE PERMIT MASTER APPLICATION IPROPERTY OWNER(S) I I PROJECT INFORMATION NAME:Renton Housing AuthorityPROJECT OR DEVELOPMENT NAME: Sunset Court Apartments 2900 NE 1 Oth Street PROJECT/ADDRESS(S)/LOCATION AND ZIP CODE: ADDRESS: 1104 Harrington Ave NE, Renton WA 98056 1144 Harrington Ave NE, Renton,WA 98056 1 1156 Harrington Ave NE,Renton,WA 98056 CITY: Renton ZIP: 98056 KING COUNTY ASSESSOR'S ACCOUNT NUMBER(S): TELEPHONE NUMBER:(425) 226-1850 722780-1660, 722780-1665, 722780-1780, I APPLICANT (if other than owner) I 722780-1781 NAME: (property owner) EXISTING LAND USE(S): I PROPOSED LAND USE(S): COMPANY(if applicable): 50-unit multifamily housing EXISTING COMPREHENSIVE PLAN MAP DESIGNATION: ADDRESS: I Commercial Mixed UseI I PROPOSED COMPREHENSIVE PLAN MAP DESIGNATION CITY:ZIP: if applicable) N/A EXISTING ZONING: TELEPHONE NUMBER: Center Village (CV) CONTACT PERSON PROPOSED ZONING(if applicable): N/A SITE AREA(in square feet): NAME: Grace Kim 83,657 SF SQUARE FOOTAGE OF PUBLIC ROADWAYS TO BE COMPANY(if applicable):Schemata Workshop DEDICATED: 1,901 SF 112 5t h Avenue North SQUARE FOOTAGE OF PRIVATE ACCESS EASEMENTS: ADDRESS: 0 SF PROPOSED RESIDENTIAL DENSITY IN UNITS PER NET CITY: Seattle ZIP: 98109 ACRE(if applicable) 26.64 TELEPHONE NUMBER AND EMAIL ADDRESS: NUMBER OF PROPOSED LOTS(if applicable) One 206-285-1589, NUMBER OF NEW DWELLING UNITS(if applicable): grace@schemataworkshop.com i50 1 RE E1\./EE/ c"--;h lVEI I H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Master Application,doc FEB 01 2016 FC 4 Rev:02/2015 erf m -fi:ir OF RENTON PI 4.NIN u.:^ „,- I 'ti•`!NING DIVISION PROJECT INFORMATION (continued) NUMBER OF EXISTING DWELLING UNITS(if applicable): ' PROJECT VALUE: 4 10,003,000 SQUARE FOOTAGE OF PROPOSED RESIDENTIAL IS THE SITE LOCATED IN ANY TYPE OF BUILDINGS(if applicable): 47 589 S F ENVIRONMENTALLY CRITICAL AREA, PLEASE INCLUDE SQUARE FOOTAGE(if applicable): SQUARE FOOTAGE OF EXISTING RESIDENTIAL BUILDINGS TO REMAIN(if applicable):0 SF AQUIFIER PROTECTION AREA ONE SQUARE FOOTAGE OF PROPOSED NON-RESIDENTIAL AQUIFIER PROTECTION AREA TWO BUILDINGS(if applicable):0 SF i r FLOOD HAZARD AREA sq.ft. SQUARE FOOTAGE OF EXISTING NON-RESIDENTIAL BUILDINGS TO REMAIN(if applicable): O SF GEOLOGIC HAZARD sq.ft. NET FLOOR AREA ON NON-RESIDENTIAL BUILDINGS(if HABITAT CONSERVATION sq.ft. applicable): N/A 1 U SHORELINE STREAMS&LAKES sq.ft. NUMBER OF EMPLOYEES TO BE EMPLOYED BY THE NEW PROJECT(if applicable):NSA WETLANDS sq.ft. LEGAL DESCRIPTION OF. PROPERTY Attach legal description on separate sheet with the following information included) SITUATE IN THE NW QUARTER OF SECTION 9 ,TOWNSHIP 23 , RANGE 5 , IN THE CITY OF RENTON, KING COUNTY,.WASHINGTON AFFIDAVIT OF OWNERSHIP' Mark Gropper declare under penaltyof perjury under the laws of the State ofI,(Punt Name/s) P J rY Washington that I am(please check one)n the current owner of the property involved in this application or 0 the authorized representative to act for a corporation(please attach proof of authorization)and that the foregoing statements and answers herein contained and the infor i ation herewith are in all respects true and correct to the best of my knowledge and belief. Ai, fr/SrA...w!_ 1A.01.1.9.2016 Signatu-- o•owner/- se •:ti••-. Date Signature of Owner/Representative Date l STATE OF WASHINGTON ) , SS COUNTY OF KING I certify that I know or have satisfactory evidence that A krk C-c(O J k signed this instrument and acknowledge it to be his/her/their free and voluntary act for the uses and purpose mentioned in the instrument. OZ-1/ p d Notary Public in and forth fate of Washington O(tA of...........F/ . N bbra J• 'Fis I't e r e' 1 O Notary(Print): NOTARk t1: _ 1Myappointmentexpires: 4 _ai+t/ae-y 19 0 I bd PUBLIC r li .?. 79-204;<0: 2i//iFOic WASOW,\ H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Master Application.doc Rev:02/2015 DEPARTMENT OF COP IUNITY City ofd AND ECONOMIC DEVELOPMENT WAIVER. OF SUBMITTAL REQUIREMENTS FOR LAND U.SE APPLICATIONS Planning Division 1055 South Grady Way-Renton, WA 98057 Phone:425-430-7200 Fax:425-430-7231 LAND USE PERMIT SUBMITTAL REQUIREMENTS: WAIVED MODIFIED COMMENTS: BY: BY: Arborist Report a Architectural Elevations 3AND4 Biological Assessment a Calculations) Colored Maps for Display a Construction Mitigation Description 2 AND 4 Deed of Right-of-Way Dedication 1 Density Worksheet a Drainage Control Plant Drainage Report 2 Elevations,Architectural3 AND 4 Environmental Checklist a i 1/ /Sec e?e6W 4,,%1 Existing Covenants(Recorded Copy)lAND Existing Easements(Recorded Copy) IAND4 Flood Hazard Data a Floor Plans 3 AND a AO Geotechnical Report2AND3 1; h Grading Elevations&Plan,Conceptual Z FEB .0 2016 Grading Elevations&Plan, Detailed Z j Habitat Data aReport D- P PI ANNING DIVISION Improvement Deferral 2 Irrigation Plana PROJECT NAME: i.t- A1 &'4Z fP4441 O 1 DATE:9 J 1 • H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Waiversubmittalregs.docx Rev:02/2015 j LAND USE PERMIT SUBMITTAL REQUIREMENTS: WAIVED MODIFIED COMMENTS: BY: BY: Wetlands Report/Delineation 4 Wireless: f Applicant Agreement Statement 2AND3 Inventory of Existing Sites ZAND3 Lease Agreement, Draft 2AND3 Map of Existing Site Conditions 2AND3 Map of View Area 2 AND 3 Photosimulations 2AND3 This Requirement may be waived by: 1: Property Services 2 Development Engineering Plan Review 3 Building 4 Planning H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Waiversubmittalregs.docx .Rev:02/2015 4 4 ph, City del DEPARTMENT OF COMMUNITY u MatOra AND ECONOMIC DEVELOPMENT e r MEMORANDUM I DATE: June 15,,2015 TO: Rocale Timmons,Planner RErRivEat FROM: Jan Illian, Plan Review pe.a FEB 01 2016 SUBJECT:Sunset Court Apartments CI °I Cr 27,70M 1144—Harrington Ave NE PLANNING DIVISION PRE 15-0100383 NOTE:The applicant is cautioned that information contained in this summary is.preliminary and non- binding and may be subject to modification and/or concurrence by official city decision-makers. Review comments may also need to be reviseld based on site planning and other design changes required by. City staff or made by the applicant. I have completed a preliminary review for the above-referenced proposal. The following comments are based on the pre-application submittal made to the City of Renton by the applicant. Water 1. The proposed development is within the City of Renton 565-pressure zone water service area. There is an existing 12-inch water main located in Harrington Ave NE (refer to City project plan no. W-3635) which can deliver a maximum flow,capacity of 2,350 gallons per minute (gpm). The static water pressure is about 93 psi at ground elevation of 350 feet. There is an existing 1-inch domestic water meter serving the existing house on the subject property(utility billing account reference no. 140092). 2. Based on the information submitted by the applicant, the City's Fire Prevention Department has determined the preliminary fire flow demand for the development is 2,750 gpm including the use of an automatic fire sprinkler system. 3. On-site and off-site water mains improvements are required to provide water service for fire protection and for domestic uses per City Code and development standards(RMC 4-6-010B) 4. In order to provide the required fire flow demand of 2,750 gpm, additional off-site water main extension of about 330 feet of 12-inch water main will be required along NE 10th Street from the existing 12-inch main in Harrington Ave NE to an existing 12-inch main (see plan no. W-3752)that ends at the intersection of NE 10th St and Sunset Lane NE. 5. Please note that the City of Renton is currently working on the design of roadway alignment and improvements including utilities improvements in NE 10th St and in Sunset Lane NE in conjunction with 1 Sunset Court Apartments PRE15-000383 Page 2 of 3 June 17,2015 the Sunset Neighborhood Park Master Plan. At"this time, the schedule for the construction of the improvements is not known. 6. Since the fire flow demand of the development exceeds 2,500 gpm, an on-site and looped 12-inch water main around the buildings is also required. A 15-foot wide utility easement is required for the on- site water main. No buildings, structures or vaults shall be placed within the easement area and within 10 feet of the water main. 7. Installation of fire hydrant(s) as required by Renton Fire Prevention. The number and location of the hydrants shall be determined based on the City's review of the final building plans and site plan. 8. Installation of a separate fire sprinkler stub to each building with a detector double check valve assembly (DDCVA) for backflow prevention. The DDCVA shall,be installed in an outside underground vault or in the building sprinkler rooms if it meets.the conditions as shown on City's standard plan for the interior installation of a DDCVA. 9. Installation of a separate domestic water meter for each building with a double check valve assembly DCVA) behind each meter. The sizing of the domestic water meters shall be done in accordance with Chapter 6 of Uniform Plumbing Code. A pressure-reducing-valve (PRV) is required behind each water meter because the water pressure is over 80,psi. 10. Installation of a landscape irrigation meter and double check valve assembly(DCVA), if applicable. 11. The development is subject to applicable water system development charges and of meter installation fees based on the size of the meters for domestic and for fire sprinkler system. A water system redevelopment credit will apply for the existing domestic water meter if it is abandoned. The development will be subject to a future special assessment district if the off-site water mains are installed by the City as part of the Sunset Lane and NE 10th St improvements. Sanitary Sewer 1. There is an 8-inch sewer main in Harrington Ave NE and an 8-inch sewer main at the north end of the project site inside the 10 foot right of way. 2. Sewer system development fees are based on the size of the new domestic water. Credit will be given for existing water meters serving the site. This is payable prior to issuance of the construction permit. See fee schedule attached. 3. Sewer will be required to be extended onsite. , 1 J Storm Drainage 1. There new storm drainage improvements in Harrington Ave NE. 2. A drainage plan and drainage report will be required with the site plan application. The report shall comply with'the 2009 King County Surface Water Manual and the 2009 City of Renton Amendments to the KCSWM, Chapter 1 and 2. All core and any special requirements shall be contained in the report. Based on the City's flow control map, this site falls within the Peak Rate Flow'Control Standard, Existing Site Conditions. The drainage report will need to follow the area specific flow control requirements under Core Requirement#3.Water quality treatment would be required. p M Sunset Court Apartments PRE15-000383 Page 3 of 3 June 17,2015 3. A geotechnical report for the site is required. Information on the water table and soil permeability with recommendations of appropriate flow control BMP options with typical designs for the site from the geotechnical engineer shall be submitted with the application. 4. Surface Water System Development fees of $0.540 per square foot of new impervious surface will apply. This is payable prior to issuance of the-construction permit. Credit will be given for existing impervious surface areas. 5. Applicant will be required to submit separate structural plans for review and approval under a building permit for a stormwater vault.Special inspection from the building department is required. 6. A Construction Stormwater Permit from Department of Ecology is required if clearing and grading of the site exceeds one acre. Transportation/Street 1. All adjacent right-of-ways need to ibe fully improved in conformance to the current street standards. This may include dedication of additional right-of-way. Required improvements are as follows: Harrington Ave NE-Existing right of way in Harrington Ave NE is 60 feet. Harrington Ave NE is classified as a residential street. New frontage improvements along the east side of Harrington are currently being installed as part of the City's Surface Water LID improvement project. No additional right of way is needed. Glenwood (vacated East of Harrington)-Existing right of way is 10 feet in width. Frontage improvements for this street will require an installation of a new curb,an 8-foot planting strip and a'5 foot walk This will require dedication of an additional five feet of right-of-way. 2. A traffic impact analysis is required when estimated vehicular traffic generated from a proposed development exceeds 20 vehicles per hour in either the AM (6:00-9:00)or PM (3:00—6:00) peak periods.A peak hour volume of 20 vehicles per hour would relate to daily volume of approximately 200 vehicles per day. Generally this includes residential plats of 20 lots or more and commercial sites that generate 20 vehicles per hour. 3. Decorative LED residential street lighting will be required as outlined in RMC 4-4-0601. 4. Traffic impact fees for the multifarinily use will be based on the number of units. The current rate is 1,454.20 per unit. Fees are scheduled to increase to $ 1,923.83 per unit in January, 2016. Impact fees are due at time of building permit issuance. 5. Corner properties will require a minimum dedication of a 25 foot radius. General Comments 1. All construction utility permits for drainage and street improvements will require separate plan submittals. All utility plans shall conform to the Renton Drafting Standards. Plans shall be prepared by a licensed Professional Engineer. 2. When the utility plans are complete, please submit three'(3) copies of the drawings,two (2) copies of the drainage report, permit application, and an itemized cost of construction estimate, and application fee at the counter on the sixth floor. schemata workshop January 19,2016 project narrative to Rocale Timmons City of Renton Planning Division 1055 South Grady Way Renton,WA 98057 from Grace Kim R c FP``r Schemata Workshop,Inc. 112 5th Avenue South FEB 0 i; 7 i Seattle,WA 98109 206.285.1589 CE PLANNING DIVISION subject Site Plan Review Project Narrative project name RHA Sunset Court Apartments project size Lot size=83,657 SF minus 1,901 SF ROW dedication=81,756 SF(1.88 acres). Proposed new construction=47,589 total gross SF I project location 1104 Harrington Ave NE,1144 Harrington Ave NE, 1156 Harrington Ave NE,Renton WA 98056 required land use permits Administrative Site Plan Review zoning designation: Center Village(CV);adjacent properties are also zoned CV. Urban Design District District D current use The site is comprised of four parcels.Two of the lots contain one duplex each,both of which will be removed.One lot is vacant and one lot is currently used as Sunset Court Park. special site features The site of the Sunset Court Apartments is primarily flat,sloping down roughly four feet from Northeast to Southwest across the site.There are nine existing trees at the north end of the property. soil type&drainage C The soils at the site include about one foot of topsoil underlain by a layer of sand with gravel that extended 2 to 6 feet below the topsoil.The sand and gravel layer is in turn underlain by glacial till.At test pits between the existing park and Harrington Place NE revealed a few inches of gravel but no topsoil.Per the geotechnical report;infiltration testing at test pits 1 and 5 measured infiltration rates of 60 inches per hour and 96 inches per hour respectively. proposed use The proposed use is 50 units of residential affordable replacement housing for the Renton Housing Authority divided amongst 4 buildings. (10)units will be 2 story,3-bedroom units,distributed between Buildings 1 and 2. (8)3-bedroom flats,(20)2-bedroom 1720 12th avenue#3,seattle wa 98122 www.schemataworkshop.com v 206.285.1589 f 206.285.2701 schemata workshop flats and(12)1-bedroom flats will be distributed in Buildings 3 and 4.(1)3-bedroom,(1)2-bedroom and(1)1-bedroom will be Type A accessible units. The project may be built using factory assembled modular units per the 2012 IBC and other applicable codes. The units will be inspected by Washington State Labor and Industries for all applicable codes,craned onto a site built foundation and crawlspace. The roof,awnings and exterior walkways of the project will be built on site as will all siding and exterior trim work. Minimal amount of work will be needed after the modular units are set to tie utilities together and patch the finishes between module lines. We are proposing parking areas at the south and east portions of the property to accommodate 50 parking spaces on the property. Two trash and recycling enclosures will also be located on the property,as will bike parking structures. The site stormwater management requirements will be fulfilled through the use of bioretention facilities and pervious concrete access Currently,there are three curb cuts along Harrington Ave NE.There is also direct access to the property along the vacated Harrington Place NE along the eastern edge of the property.The proposed parking lot access will be from Harrington Ave NE at the SW corner of the site and from the corner of Harrington Place NE and 11`h Avenue N at the NE corner of the site. street closure During the construction period,if modular construction is pursued,a crane will be employed to set the factory-built residential modules on the site-built foundations. Given the size of the site,it is likely that this could be accomplished from within the site itself.Once the Contractor is selected,construction staging plans will be discussed with the City. design modifications See attached request. proposed off-site improvements A 5 foot sidewalk,will be set,beyond a landscape planting strip along the north edge of the property. New portions of pervious sidewalk will be installed along Harrington Ave NE to match recently constructed improvements.Stomwater bioretention planters filled with native vegetation will be provided at the east and south edges of the property. estimated construction cost The construction cost for the proposed buildings and site work has been estimated to be approximately$10,003,000. trees removed There are currently 21 trees on site. 15 existing trees will be removed from the property.6 existing trees to remain. dedicated land 1,901 SF of land along the north edge of the property will be dedicated to City to accommodate an 8-foot planting strip and 5-foot sidewalk. A street dedication will be filed with the City. proposed job shacks The project is being publicly bid,and upon selection of a general contractor any proposed job shacks and their location will be submitted.for approval by the City of Renton. distance from ordinary high water mark There is no ordinary high water mark near the property. obstructed view of residential units Two of the proposed buildings are below 30 feet above average grade level.The tallest proposed building is a maximum 37 feet above the average grade level of the site and should not obstruct any views of surrounding residences schemata workshop January 19,2016 Construction Mitigation Description9p to Rocale Timmons City of Renton Planning Division 1055 South Grady Way. Renton,WA 98057 from Grace Kim Schemata Workshop,Inc. 112 5th Avenue South Seattle,WA 98109 206.285.1589 subject Site Plan Review Construction Mitigation Description project name RHA Sunset Court Apartments Proposed construction dates: September 2016- August 2017 Hours and days of operation: Typical times per Renton Municipal Code Proposed hauling/transportation routes: To be determined Measures to be implemented to minimize dust,traffic,transportation impacts,etc.:To be determined in consultation with city's TESC requirements and mlunicipal code requirements. Any special hours proposed for construction or hauling: None proposed at this time Preliminary traffic control plan: To be provided by General Contractor 1 FEB O 1 2015 PLANNING DIVISION 1720 12th avenue#3,seattle wa 98122 www.schemataworkshop.com v 206.285.1589 f 206.285.2701 schemata workshop January 19,2016 C4Urban Center Design Overlay District Report to Rocale Timmons City of Renton Planning Division 1055 South Grady Way Renton,WA 98057 from Grace Kim Schemata Workshop,Inc. 112 5th Avenue South Seattle,WA 9,8109 206.285.1589 subject Site Plan Review—Urban Center Design Overlay District Report project name RHA Sunset Court Apartments Pedestrian building entries Guidelines:Developments shall enhance the mutual relationship of buildings with each other,as well as with the roads,open space,andpedestrian amenities while working to create a pedestrian oriented environment.Lots shall be configured to encourage variety and so that natural light is available to buildings and open space. The privacy of individuals in residential uses shall be provided for Guidelines:Primary entries shall face the street,serve as a focal point,and allow space for social interaction.All entries shall include features that make them easily identifiable while reflecting the architectural character of the building. The primary entry shall be the most visuallyprominent;entry.Pedestrian access to the building from the sidewalk,parking lots,and/or other areas shall be provided and shall enhance'the overall quality of the pedestrian experience on the site. Buildings 1,2 and 4 are oriented towards Harrington Avenue NE or vacated Glennwood Avenue NE with pedestrian entries to the buildings all directly accessed off of entry walks that pass through front yards and directly connect to sidewalks along the ROW. Entries are easily identifiable by being recessed and provided with weather-protection overhangs.Building 3 is oriented to a landscaped pedestrian only central courtyard Transition to surrounding development Guidelines:Careful siting and design treatment shall be used to achieve a compatible transition where new buildings differ from surrounding development in terms of building height,bulk and scale. Buildings are articulated to divide larger architectural elements into smaller increments and roof lines are designed to reduce apparent bulk.Buildings 1 and 2,which front Harrington Avenue NE are lower in order to transition to smaller scale residential buildings to the west and north. Location and design of parking Guidelines:Surface parking shall be located and designed so as to reduce the visual impact of the parking area and associated vehicles.Large areas of surface parking shall also be designed to accommodate future infill developmet. `y jDkuF'G FEB 01 2016 e . 172012thiavenue#3,_seaittle•wa 98122 i anal)iN www.schemataworkshop.com v 206.285.1589 f 206.285.2701 schemata workshop Surface parking is located at the south edge of the property across from the neighboring site's carport,and at the east side of the property,across from the back side of a large retail building.Both parking areas are screened by 10-foot bioretention landscaping areas at the property line Vehicular access Guidelines:Vehicular access to parking garages and parking lots shall not impede or interrupt pedestrian mobility. The impacts of curb cuts to pedestrian access on sidewalks shall be minimized. Access to parking is at the SW corner off of Harrington Avenue NE and the NE corner off of 11`h Avenue N.Alleys are not available.The number of curb cuts along Harrington Avenue NE is reduced from three to one.Sidewalks are not currently located at the NE corner of the property where the driveway is proposed. Pedestrian circulation Guidelines:The pedestrian environment shall be given priority and importance in the design ofprojects. Sidewalks and/or pathways shall be provided and shall provide safe access to buildings from parking areas.Providing pedestrian connections to abutting properties is an important aspect of connectivity and encourages pedestrian activity and shall be considered.Pathways shall be easily identifiable to pedestrians and drivers Numerous pedestrian pathways are provided within the site,linking all buildings,parking areas,amenity spaces,and service areas.Interior site pathways have clear sight lines and also link buildings to existing sidewalks in the ROW. Numerous traffic calming speed bumps in the parking drive aisle are intended to make surface parking more pedestrian friendly. Actual pathways within the parking areas are differentiated visually and materially.A mid-block pathway is provided from the sidewalk along Harrington Avenue NE to the central courtyard. Elevated exterior pedestrian walkways at buildings 3 and 4 are oriented towards the central courtyard with the intent of encouraging community and increasing safety.Nooks on the exterior walkways are intended to encourage informal gathering. Common space Guidelines:Developments located at street intersections should provide pedestrian-oriented space at the street corner to emphasize pedestrian activity.Recreation and common open space areas are integral aspects ofquality development that encourage pedestrians and users. These areas shall be provided in an amount that is adequate to be functional and usable;they shall also be landscaped and located so that they are appealing to users and pedestrians. Within the central courtyard,recreation space is set aside for children.Rather than use off-the-shelf play structures,the client has requested the reuse of boulders and logs to serve as natural play structures.Bike parking and a barbecue area are also proposed. Building character and massing,rooflines,and materials Guidelines:Building facades shall be modulated and/or articulated to reduce the apparent size of buildings,breakup long blank walls,add visual interest,and enhance the character of the neighborhood.Articulation,modulation,and their intervals should create a sense of scale important to residential buildings On buildings 1 and 2,modulation occurs at entries and typically at walls between units,resulting in facades that modulate every ten feet.On buildings 3 and 4,which do not face a public ROW,modulation is typically at 13 or 26 foot modules.Since building 4 is longer than 160'in length,it is also modulated vertically at the ends of the building to help reduce the overall bulk of the structure. Numerous discussions between the city and design team occurred during the fall of 2015 addressing concerns that the design of the buildings were too stark for Renton.The design team also met with community members on November 12,2015 to engage current RHA residents and elicit their feedback. A •T 4 f/ schemata workshop September 19,2015 I J R II 49'4 variance justification FEB ® ZGCifY subject Site Plan Review Application—Variance Justification PLANNING DIVISION project title Sunset Court Apartments Sunset Court Apartments is a proposed low-rise development,with a mix of one-,two-,and three-bedroom units located in four-buildings which encircle a central landscaped commons.The existing site is flat and measures 81,756 SF(1.88 acres).All existing structures will be demolished and 47,589 SF of new housing is proposed;which ' will accommodate 50 apartment units.The zoning designation for this site is Center Village which requires structured parking per Renton Municipal Code 4-2-120A.The project owner,Renton Housing Authority(RHA), requests a variance to provide 50 at-grade surface parking stalls in lieu of providing the code required structured parking.As an affordable housing development intended to provide housing for individuals and families earning below 60%of area median income,surface parking is a cost-effective approach to meeting the parking demands of the RHA's tenant base and construction financing limits while also maintaining some of the park character for which the project is named. RHA has learned through ownership of public housing for more than 50 years that when possible,families are better accommodated in townhouse style units with private ground-related entries and on-site open space for children-a feature residents have enjoyed at the Sunset Terrace public housing project forthe past seven decades. For that reason;the Sunset Court Apartments project includes a mix of townhome units along with stacked flats served by surface parking lots.The design currently includes protection of several large,mature trees.The courtyard will feature a landscaped play area for children.The low-rise buildings proposed for the site will set a higher standard for density in this neighborhood where duplexes predominate,but will still maintain a character and scale suitable for families. The project will have three accessible units;(1)1-bedroom,(1)2-bedroom and(1)3-bedroom.The accessible units are proposed to be closest to the accessible parking spaces.Two units will be set aside for large families. Construction is currently planned to be conventional wood frame structures with 2 on-site trash enclosures and a common laundry room. The proposed concept will create a village-like community,with ready access to open space for families who will live at Sunset Court,and will provide an open,welcoming street presence along Harrington Ave NE.Vehicle access via driveways will be provided at the SW and NE corners of the site.The at-grade parking is proposed to be located on the southeast side of the property,and will be screened from existing and proposed right-of-ways surrounding the project by buildings and landscaping;consistent with the Urban Design Guidelines for District D per the Renton Municipal Code.Two-story townhome units,with ground related entries,will be the visible,street- facing presence of this project along Harrington Ave NE and three-story apartment buildings will line the north property line,which may in the future become a continuation of Glennwood Ave NE.While parking will not be visible from the street,the entrances to the parking area will be visible but will look like residential driveways. In addition to more rental units,the remaining project will feature large landscaped areas-including some existing trees that will be preserved and protected.The surface parking lots will be designed with traffic control bumps and coordinated landscaped islands to provide a slow lane of traffic through the parking area and variation in the shape schemata workshop inc 11720 12th avenue,seattle wa 98122 www.schemataworkshop.com v 206.285.1589 f 206.285.2701 schemata workshop and contour of the vehicular route.These features will allow the parking area to double as hardscape for children to ride bikes, play ball,and other engage in other play activities. The Renton Housing Authority wishes to maintain a park-like setting for Sunset Court Apartments,because this is consistent with the Renton Municipal Code Urban Design Guidelines and because RHA knows that large families are most successful in units with direct access to outdoors. Surface grade parking willenable the project to meet the following Renton Municipal Code 4-3-100 Urban Design Regulations: E.SITE DESIGN AND BUILDING LOCATION intent is to o "ensure that buildings are located in relation to streets and other buildings so that the Vision of the City of Renton can be realized for high-density urban environment,.so that businesses enjoy visibility from public rights-of-way,and to encourage pedestrian activity throughout the district" o "make building entrances convenient to locate and easy to access,and ensure that building entries further the pedestrian nature of the fronting sidewalk and the urban character of the district" o "shape redevelopment projects so that the character and value ofRenton's'long-established neighborhoods are preserved. This will be a transitional project to help bridge the existing neighborhood to the potential higher density build out allowed on the adjacent properties.This project will establish a benchmark for development that preserves the character of the neighborhood while dramatically increasing density.The proposed project has been designed to have a significant number of street facing residential units-21 of the 50 units will have residential entrances along Harrington Ave NE and Glenwood Ave NE.The remaining units have exterior doors opening onto the common open space—whether at grade or accessed from exterior walkways and stairs.The site and buildings have been designed to provide for very visible pedestrian activity within and around the site.There is also pedestrian access at the NE corner of the site that will provide a convenient path to the nearby commercial district. If the project were required to have structured parking,it is likely that there would be fewer at grade residential entries and a much reduced pedestrian environment.A larger apartment building with structured parking would have more interior circulation,very different from the proposed exterior circulation of this project.The proposed village like concept of the design is in keeping with the character of the existing neighborhood that is primarily comprised of duplexes with street related entrances. F. PARKING AND VEHICULAR ACCESS intent is to 'maintain active pedestrian environments along streets by placing parking lots in back of buildings". The project is consistent with both of the Surface Parking requirements: 1. Parking shall be located so that no surface parking is located between: a.A building and the front property line;and/or b.A building and the side property line(when on a corner lot,). 2. Parking shall be located so that it is screened from surrounding streets by buildings,landscaping, and/or gateway features as dictated by location." The proposed parking lot area will be obscured by landscaping and buildings,and will not be located along nor is the primary visual feature of either Harrington Ave NE or Glennwood Ave NE.There is a proposed ten foot landscape buffer between the parking and south property line. G. PEDESTRIAN ENVIRONMENT intent is to "provide safe and attractive pedestrian connections to buildings,parking garages,and parking lots" The village concept of Sunset Court Apartments includes a network of clear pedestrian pathways connecting each of the five buildings to the outdoor common space in the center of the site,the parking lot,as well as to Harrington Ave NE and Glennwood Ave NE. If the project were required to provide enclosed,structured parking,the layout of the site would be required to change and an interior common open space would no longer be possible.The pedestrian circulation on site would not allow for the same level of clear,open views from one side of the site to the other but would be obstructed with interior schemata workshop buildings to accommodate the increase in dimension of unit,or to accommodate an additional parking structure. H. LANDSCAPING/RECREATION AREAS/COMMON OPEN SPACE intent is to provide visual relief in areas of expansive paving or structures;define logical areas ofpedestrian and vehicular circulation;and add to the aesthetic enjoyment of the area by the community. To have areas suitable for both passive and active recreation by residents, workers,and visitors;provide these areas in sufficient amounts and in safe and convenient locations;and provide the opportunity for community gathering in p/aces centrally located and designed to encourage such activity" The proposed site design with surface parking allows for a large central common open space surrounded by the proposed buildings.The'open space is intended to be the focus of the site,while the proposed parking area is obscured from view from the open space by the residential buildings.The open space will be designed to allow for recreation areas for both children and adults.All 50 proposed residential units have entrances facing the common open space. Programmatically,the interior of all the units have the kitchens facing the common open space.These planning strategies allow for the most eyes on the public open space for safety. I. BUILDING ARCHITECTURAL DESIGN intent is to "encourage building design that is unique and urban in character, comfortable on a human scale,and uses appropriate building materials that are suitable for the Pacific Northwest climate" The proposed site design with surface.parking allows for five smaller human scaled buildings that are more in keeping with the surrounding existing context of the neighborhood.The buildings maintain a strong frontage on the primary streets surrounding the site and are consistent with creating a more urban character to the neighborhood.The materials will be of a residential project scale including lap and panel siding. The zoning code requirement for residential uses in the Center Village zone per RMC 4-2-120A is: Required parking shall be located underground or under building(on the first floor of the structure),or in an attached or detached structure.Any additional parking may not be located between the building and public street unless located within a structured parking garage." The City of Renton may issue a variance to allow for surface parking at this site without negative impact to neighboring uses.The existing four parcels that make up the proposed project site are currently a city park,an empty parcel and two parcels each with a duplex apartment building. Maintaining the park-like environment at this site is a more aesthetically pleasing and programmatically beneficial alternative to a large 50-unit single apartment building with interior parking and fewer pedestrian entrances.The design of the five-building low-rise village community is not overwhelming to the surrounding neighborhood and will provide for greater sightlines to and through the property from the adjacent rights of way.As illustrated in the bulleted arguments above,the proposed design meets the intent of the Renton Design Regulations and the Renton Municipal Code without structured parking. REEVALUATION / ADDENDUM Renton Sunset Terrace Redevelopment December 2015 Prepared By:BERK Consulting in association with CH2MHill,CRC,Mithun,Perteet,and Weinman Consulting LLC 1.0 background/Need for Reevaluation 2 2.0 Sunset Area Alternatives 6 2.1 Study Area 6 2.2 Land Use Proposals 11 2.3 Development Standards 16 2.4 Facility and Infrastructure Proposals 17 2.5 Updated Land Cover/Impervious Analysis 17 2.6 Master Plan and Other Discretionary Applications 19 2.7 Phasing 19 3.0 • Environmental Analysis 22 3.1 Land Use 22 3.2 Aesthetics 22 3.3 Cultural Resources 22 3.4 Transportation 22 3.5 Parks and Recreation 22 3.6 Public Services 23 3.7 Utilities 23 3.8 Other FEIS Topics 25 3.9 Monitoring and Review 25 4.0 Conclusions 29 Attachments Attachment A—Cultural Resources Report Attachment B—Traffic Impact Analysis—Sunset Court j RECEIVED J FEB 0 1 2016 u:vf!0, December 2015 1 J RENTON SI T COMMUNITY AREA REEVALw ,ON AND ADDENDUM 1.0 BACKGROUND/NEED FOR REEVALUATION The City of Renton, along with the Renton Housing Authority (RHA), King County Library System, and Colpitts Development, and community partners, is redeveloping the Sunset Terrace public housing community, an approximately 7-acre site within the larger Sunset Area Community Neighborhood in northeast Renton. The Sunset Area Community Neighborhood is shown in Exhibit 1.Sunset Terrace is the central approximately 7-acre property in the Potential Sunset Terrace Redevelopment subarea of the Sunset Area Community Neighborhood in Exhibit 1.The Potential Sunset Terrace Redevelopment subarea includes Sunset Terrace plus some peripheral sites that have been master planned for redevelopment along with Sunset Terrace for a total of about 12.4 acres. Redevelopment of this area envisions Sunset Terrace as a mixed-use, mixed-income community anchored by a new public library and a new park. Mixed-use sites will have both market rate and affordable rental housing in multi-story, multi-family townhomes and apartments,along with commercial and retail space. In order to meet,National Environmental Policy Act (NEPA) and State Environmental Policy Act (SEPA) requirements,the City of Renton issued the Draft Environmental Impact Statement(DEIS)for the City of Renton Sunset Area Community Planned Action on December 17,2010 and the Final Environmental Impact Statement(FEIS)for the City of Renton Sunset Area Community Planned Action on April 1,2011.1 The City served as the Responsible Entity(RE)for NEPA compliance,and the lead agency for SEPA compliance. In May 2011,the City of Renton completed a Record of Decision (ROD) in accordance with NEPA; and in June 2011 adopted a Planned Action Ordinance in accordance with SEPA for redevelopment of the Sunset Terrace area. Under SEPA, adevelopment application for a site-specific Planned Action project located within the Sunset Area will be designated a Planned Action if it meets the criteria in the adopted Planned Action Ordinance,as well as laws,codes, development regulations and standards of the City of Renton. The ROD and Planned Action established a range of growth and associated facility and infrastructure investments(e.g.,park,library,"green streets,"etc.)for the Sunset Area Community Planned Action Study Area,for the neighborhood as a whole and for the Sunset Terrace Redevelopment,a site then fully owned by the Renton Housing Authority (RHA). Redevelopment efforts have continued since 2011, including " issuance of a Demolition and Disposition permit for a Mixed Use Library redevelopment on a portion of the property and a purchase and sale agreement with a private developer. This was followed by a Demolition and Disposition permit for the balance of the Sunset Terrace property, which includes both market rate and affordable dwellings.There would be no net loss of affordable units; RHA has developed plans or has constructed units in the Sunset Area that could serve as replacement units for Sunset Terrace when redeveloped. J In 2014,the City, RHA and Colpitts proposed a revised Master Plan based on the selected alternatives of the ROD to promote coordinated development among the property owners.See Exhibit 2.The City studied changes to total dwellings,setbacks,and building heights,and also reclassified some local streets serving the Sunset Area to allow a more efficient roadway cross-section while still facilitating circulation. The changes to the development proposal to add more units and height,and to address street standards,was evaluated in a NEPA Reevaluation, pursuant to Section 58.47 of US Department of Housing and Urban Development's (HUD's). NEPA regulations, and a SEPA addendum (WAC 197-11-706). The combined Reevaluation and Addendum demonstrated that the Master Plan did not alter the original conclusions of 1 CH2MHill and ICF International.2011.Sunset Area Community Planned Action NEPA/SEPA Environmental Impact Statement. Final.April. (ICF 00593.10.) Bellevue and Seattle,WA. Prepared for City of Renton and the Renton Housing Authority, Renton, WA. December 2015 2 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM the SEPA/NEPA FEIS; no new or different impacts would occur as a result of the modified plan. The Reevaluation and notice of Revised ROD were issued on December 8,2014. Following the December 2014 NEPA reevaluation, the City approved a Master Plan including a new Conceptual Plan for Sunset Terrace pursuant to Renton Municipal Code(RMC)Title IV.The revised Master Plan included additional dwellings,alternative building locations,height,and street reclassifications in the Sunset Terrace area.This Master Plan will facilitate the preparation of detailed Site Plans in phases over time; provides a point of consistency with applicable regulations;and provides more certainty regarding future development for members of the public and private developers. An amended Planned Action Ordinance-was adopted on December 8,2014. At this time,the City and RHA are considering amended plans that would develop replacement housing for the Sunset Terrace redevelopment on five parcels located outside but abutting the 2014 Master Plan area—three parcels would be added to the Sunset Court Park site and developed with 50 apartments and townhomes, and two parcels would be added to properties north of the "loop road" in the Harrington Park development providing 19 townhomes.See Exhibit 3. December 2015 3 RENTON S :T COMMUNITY AREA ` REEVALum i iON AND ADDENDUM Exhibit 1. Planned Action Area: 2011 s City Limits o xN.ri215T STA , _ r_. - Planned ActionStudyArea - E.NE 1, WEI A t , t Subarea f it ,11 . *o r. W*A NE215TSTi central i E , r r* Z 4 , 1 ._c'ti.1;'„ans- 0 North r .*':-rz • L ;1'South•s3 r.CAr NE 19TH3i 4 r•V.-, J l Sunset Mixed Use r ( t„ axe^ r y Potential Sunset 1 r'•k:. r ,0. , y., j <. r al j r- Terra&Redevelopment I-.1" •1, Is] 41 t ., 3•° oP - . 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CZ Y.%. ® , , lA: F iwrmg, o.i Tiro. mow -dui lo FeaFt:4161-akk: [arIQS tapI=Nee'rff sr we NV label , y. 4- zt ,zsii. giH`... um • nuts!, i .! 413E i 41 m ilia 1 M Ns i Plum ' * .e' aill ` k1. liiiii Ear +rk_ an I ti z'ZIw o rt II apg ' um wwwWO1 F t AV-1- t S A--_, -' E e7l"!P( r a i fi G 'p NE 7TH. r. ll nLron;KiK county I° r• AV' ra_Et-,... -- ..I., `" i;- Bari y ` ( NiNG•titiN o ';, L k: .:reJI(•roV ti ' . -• ,a. rt "' r,'_ , _ NE1174PL , Planned Action Study Area Sunset Area Community Planned Action Final NEPA/SEPA EIS December 2015 4 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM Exhibit 2. Renton Sunset Terrace Master Plan: 2014 ueG _ Ew il Q Ba ! m v 4 N..\ ` t, :i ---'1-- , i I ..,.]g Fiiii5— , / 7.,,,,/1.AiY112(L / / NN y 471 N, I . cy. r fViN e?,, I`-*'“Nad a S rr ss' Q n • r V31•, E7J.."-: .y J --, n r KEY Imo' 1. RESIDENTIAL 17 I newt, 1 - i• }[ _ MIXED USE t Cl I I____,_,----- a-...„ VVV t'.,/,;;,•'. fa' MN COMMUNITY mil A' 3,' SITE AREA b A i RI \ 4 v en xu m j RENTON SUNSET AREA MSP 1EfrFmm.2014 M I TH U N Source:Mithun 2014 Exhibit 3.Sunset Terrace Master Plan and Added Parcels:2015 Sunset Terrace Master Site Plan I " 411---- . '.—w--1 rif i 7 r- iii,) / ,.. .'N. yy i' r ry rt El 11 1 E I NI E J 1_ .1I 1 -1 .. ' / //' gip Jam >•,\ 1 , y yI, •_7 om tt-se ; Ch- r A p.- li rf y i 1 WI \i''' , /7.71:1.4 ':'. --,›I i KEY RESIDENTIAL eWa, 172 ''•7'` i• am NM MIXED-USE I I COMMUNITY SfTE AREA 1I I o iou= ara RENTON SUNSET AREA MSP DECEMBER08,2015 Source:Mithun 2014;Master Plan Amendment Area—conceptually drawn by City of Renton 2015 J December 2015 5 RENTON S ET COMMUNITY AREA REEVALUA i ION AND ADDENDUM With the 2015/currently proposed revisions to the Master Plan,and addition of the abutting parcels,there would be no net increase in the total number of housing units in the Master Plan area or in the Sunset Area neighborhood. However, consistent with the flexibility allowed by the adopted Master Plan, some units would be redistributed.The proposed developments would meet City standards for density, height, setbacks, transportation levels of service, connection to utilities, and would be subject to City parking codes, including procedures for modifying applicable standards. The new developments would be incorporated into an amended Master Plan pursuant to RMC Title IV. Also, the SEPA Planned Action Ordinance could be amended to include the revised Master Plan concept. As with the changes previously evaluated in 2014,the revisions proposed to the Master Plan at this time require a NEPA Reevaluation and SEPA Addendum to provide additional information about the proposal, to determine whether the proposed changes would result in any new or substantially different environmental impacts, and to assess whether the conclusions of the original EIS are still valid. This analysis would also provide the basis for amendments to the ROD and/or Planned Action Ordinance, if any.This Reevaluation and Addendum document is structured as follows: 1. Introduction 2. Sunset Area Alternatives 3. Environmental Analysis 4. Conclusions 2.0 SUNSET AREA ALTERNATIVES 2.1 Study Area The primary redevelopment area is the Sunset Terrace site illustrated on Exhibit 4. The Sunset Terrace primary redevelopment area includes sites H through O. Replacement housing sites include A through G,where units that meet the affordability and size requirements to house former Sunset Terrace residents or new residents are located. Site D was part of the original Sunset Terrace public housing site.Site D will provide replacement housing for existing dwellings on Sites H through O. It should be noted that Sites A and B have already developed and thus are not included in the Master Plan. The Master Plan completed in 2014 provides a coordinated plan of development for both the Sunset Terrace and Replacement sites C through 0. The proposed 2015 Master Plan amendment would add properties to sites E and F into the Master Plan,and redistribute some dwelling units, but would develop the same overall number of units as approved by the 2014 Master Plan.See Exhibit 5. All sites on Exhibit 5 were evaluated in the 2011 EIS for the Sunset Area Community Planned Action Area shown in Exhibit 1 and Exhibit 6. Most of the Master Plan Sites being reviewed in this document were previously considered in the Potential Sunset Redevelopment'Study Area (shaded in purple on Exhibit 1) or were considered"swap sites" (where housing replacement could occur) as shown in Exhibit 6. Three additional parcels abutting Sunset Court Park(site"F",a 2011"swap site")are-added to the Master Plan, and two additional parcels are added to the Redevelopment area (site "E"). See Exhibit 5 and Exhibit 7. The 2014 Master Plan area totaled about 12.4 acres. Sites E and F are extended in the amended 2015 Master Plan.See Exhibit 5.The updated 2015 Master Plan area would then equal about 14 acres: December 2015 6 1 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM Exhibit 4. Revitalization Projects:2014 I a NS1U.N,SET TERRACE REDEV EL_OPMENT % - - SUNS_E-T AREA COMMUNITY REVITALIZATION PROJECTS, NF_21STST - I - I ` 1 4 - NE 20TH ST 0 250 51X1 I. 1. NE 18TH ST "--' y, i I (i G AMe ffgFfw , i NE 17THp: 1 - k isrtwr P P a 1,4--„-, /' , s NE 17TH,ST i .. r -^• 1 i c31 E i ce,!i -! ;- `-1 i aim I .1 . 7 ,! ii_ z' r 0 j, Ir-L••. g I R, i (. v . U w y A —! fit? ,,4Lj11 w w E 1-_ , ± a2/NE 71THPL u •> IL J 1 9/ i 1 1 a eNew..eeAm esm.K,rrA, E J Ii if,31r:dTef1¢efNldrCHwm,g Boundary i I `` l l ,, I; 1 !`/'/•, j .' I i mwS NTensameelAteaa mntemAvawtlel g C ' t/ IIMA.Glnmmlra•dve- i-- - Xr • i 8•ro wA c.ro.enmo I c-Emnawfap l eaef I.i f I. ...... NE ro Iillli D.Edran.AP .NF NE iin•HALr ! mg-0I , k f rhS P.. Y `..+ .., I E-PuvtTanm TwMwa T r J!i. 74-- f a'1'$ ' 4 1' 1 ! F-EInWeoaticwhoma C.! tOTHALYI -- O I:`• I c-PmTmm mre ananlmmxm. i,-- f Lt II_ i \c I I am SunmhnacePovea.a Priv.Pwjaa W i t I j'-7_ /NE' `.. il ICI 1.11 H-WMtNatlwld M3HVseA 2 L S'T. 1-Poyda ReastAbll6rodOfe0 w j Q 2 I i 1 (— i illlll®l`J-Gr/b/s R.ulaAtDC O, O- I rc-flemmN4+fn mlmrny Hgh(tds Park o ' i andNeich6omood LI! NE8SNPL ililill1L-epadPsfrrtantaFedey Cu0e1 ql llilllii k-Swva Pni 1 1 - I N-b1mNLneluWlmpowmml I.'2'`•` i IN 0-PEI01bJbeeiEAeasimhnprwmade A SonsefAmaPnbr P,ajefn No-N'T SI Mill P-4irodar OarEalyLaunYgCmkf Aare SunsetAreaPoNe PnjeY cacao•-Hm+aoonn,arlEr ea,caan.a.e.srom.ae ee,ma Prowl Camnuedty,&koncmlcDevelopment •, t,j.}3-H.ydv,mloLaNgPPPOP,Cmnedm u-oww.,N. M . r:. • Olbn Rmipu)6mogAmtmy Oaaednoway S el / i ill09a Rehm Hwang katady Caned Property X-Lace%See OM) December 2015 7 RENTON SI' -,T COMMUNITY AREA REEVALL'im fiON AND ADDENDUM Exhibit 5. Revitalization Projects: 2015 , SUNSET TERRACE REDEVELOPMENT L.77 SUNSET- AREA COMMUNITY REVITALIZATION PROJECTS NE 21STST • • 1 NE 207N Sr N ir-20,-1-1-1.--,-11-I 1 f-/‘`\.... 2. . •7,,,, zi is\ I. . iVi•ANw-....---E7.00 o —. , • L. c‘i:; s i cr=r6eig sr ir-1?-, > '• ' [ 2 j 'r ----4:: I.- 0- - li ,N3c) 71-1 4' , 1....1, 3 i NE MN ST 1 1 1-4•"7,!•, I. 11-! ;-i-- 0 • . „ ,.. .-- 1 L---, ' _ 'ftl',...., • . -- 1 NE 777N( k... \ ..„...„- ___14( 4s, tcmostaccof. Ca. .,.. . f.--"\'$1114 ',... -. 4/'' s- .--•••<1 I.2. 1 NE 171N ST ) r, -it.inti.. ,,,;•,4 — ., i 4-, f, I 1 ..._ . P' 42:1c,21-4:)‘.\\I l'111_111-1• 1---- 1-il-,61,,Q.''''':---:-::° ..,...._.I1t ---I. F:--''-- ---1-- T3. ytt. II n -' - ---- H r: II L / w nag. FLU L ,/'-7 . Al , 1 1 a ti : ___,,,/1--_----- - ,-,- • • —A712THAT --- ' —----. ry 71; li11 ,_.,,..,.a.. p..._.., ,, ,., 1' '.IC 1 \Y ,>j'''d i:t 10 f) 4 ,--,' Y / "-, -I i 11 g ai ,- ,.., ••-,--.. i> 4 .7a%...',/ r-----L jj Nii rii m.E 4 4•"''',// '10' -1 NEIITHST T. a 4V I, L \ 'la.;:,,,,---..k---, 7 ,s•/ .T,-- P Ili-' ,,..° '/ - - ,-11 Suoscaerrace Pak ticammil 13...d.v j RIASansetTeocareSansetkeziRepixecentecallifloastleilcasug MN A-aeffenorramalloas f 5., AL",„/ . f--II6„„ - , ./ --, 7 ----i 111111 B-'Wand Pan tray.hopes n.P. `..4.,'MI C.Exthcad~oments IL,LrcL_ -,--... mr_<•-•\ 11•••.____1 ,07.„ mil D•CumeliormAcric Ark NIT ti ALY :r--"F 9 rti•- --- — \ \ 4' .-.L.- 6t MIN E-Soul TaPosTarinasses1r.:4-'--'b ;,..--; —'- z'\,- I i--74-ZrztL.,;. :-- ----z-1 1 I ,i MI i-£m.CaseToomans• On!ALI, r-77-111--t-- i---7--d ‘ i 111111 G.P2oTomespea araMpartimts Ct I I ____.t 1 i Olber Sweet hrtacePottcaad PrsdePoojecgs z ! 7-Th—ri :j_ 1 i--/s-04101.1PatmenfaitimsdUseiti l' "1 i I 11 Mill J.Car&litorAdatICC. . 4 z z i . I ME K.ReatoiliVlandstibmy 7,1 i - Hthlated;Palk and Neightrofhood ( —NE 81H Pt. NE I:Nowa Celorms.to 444 I . _CellgOf i I .nil U-Hunsm Payk 1 7 - mii!I-SunstiLtes 1..v.pkrpo,..-trect IS.)/,:-‘,..c.^ I ES 0-HE ICIPC.tioel Extmum tw../.....ts Aar.)Surtsetilm Pat&Projects 1 i.' '1,. j' - 1 n.1 SI 01'111111 P-Litexlm deaf Eatlyleadmg Collat ER- Att.Sunset Ago Pabrw Ptclects 40.30•.Hatmacalkve ItEncvntormeitcosSloomocla RctoldP*Icct 2P Cominutuly&Economic Dealopment CLCC...)s•kahlanastoLvdel9PeefeltaaCcarrodrn 1,04,...10 .4.../a......./.9 • atm Rental lixstsplinhorayamedPnapeny cy NE Wm Ream Cloostnahlholty0anoll,*NdY X-Limn Ste(20131 December 2015 8 may RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM Exhibit 6. Renton Sunset Terrace Redevelopment Area and Swap Sites: 2011/2014 li1'1Y1r1-.f.-4-T`i 1.u. 1 )1I:— - ' y r-_ r 4 1, ,s C tr QLand Swap/Housing Replacement Sites It. I J NE 1ST Sib { 4 city limits ST, L L#i I /A Y1¢1 Study Area 1-.. !<1. ,1''. —, . ,,--5 T' NE11ST Potential Sunset ti i`'ryes a l Terrace Redevelopment 1'T d ai p j 6. Y !;:i : 1 . , 11 A 4s it o Soo 1pW t Ila et J .. t -y f r :>1 ' 'I] p.i +".. ' . 17TH PL . h. m,"gw_ `i a' n"' ill' fi t" . I F Y yNE 17TH ST xj.. Q 1 Y.. DI*..' i „'NE 15TH ST. 1. file, 1n.- ei r J Z• ° ? f r P1 1-ql- ^--' ip.- 7 a f. W ' W F . " •>s---4. '4' " '' ( " -E a ' E r Atli TI r••--r, F1 Y j]A ST r O ATE um Si r 4 Ll_ l ,( e"' 17 • Y Z 1ji- W• 't ( I Ip.'-I i I_, I I ,' yt -/j*.'.-W.® ifs Y _ 1 CTOY V H Si. lir 1.) r-,er' 1 rIpt iS.. - NE,2TN ST 3S I• t il- LJ 9fr 3 dNTH Y;. r1 s Lt=Q 4.,.. tom} Z ' ,r 7, _ 7 LI.t »'t z'e ..p a(, y y ry ,x `-- ;. a NE a -- a t i e y d',. e I W CA I f IL_ 1 y• 4, .\ i'l Ni NEE1OTH PL , I JJit:{ir ,, .1 i NET 1 ti, vk , l j1 t,'S 3 a'`t7 yid[ 113 .0 --v !• ' Z y* i'' i..i - ,W h- - sa , ' i w/ 7 i . .NE H PO. t ®W d W „ li."t' t ® + E1p 44Ma . j , r,. ' ' F t I n I v:0 ,-- i"'3., Q 1 LI Q z lei 72.`NFTg Nst/j ffl brio,o - j' , am o ° r I C i, an Ct - 'f„ tak. ' W z. I w z .r— t Qom' tee: 7. 4 L G3Ww yp W u+ ,•,,, i,x IR Z®. } ENE Ai•L 13 Ina u../ E. ,. -Z t t. n « ,,2 l +=+` i. .. 3 orris, s l I,' • MI,.' r 1 i'p Zl li. ' S IW .' W t 4+ `' R„' iQ; I L 'b NE•. H'S,+e' ..ic .I '' A" i 44F, F A.w 111 LI$ 1 h f al 1 5 v.- - 1111 I i dZ K fitE6 - Il.I a NE7',y`" t•s.e, r \N j• O NE7TH5T :-. I T` NE jrClR-- f Z.'ai T'l„- 1 l iS`I ti m 4 r 1tvIN 1 ti'' 1 .. 04 T; f t 4. y;a! P «t.r ,•g, i taw:: I 1 G Bourn:Oty of Renton;King County,,>•ty, yAy T „k 44.. ..'.' i...„ '. `'e 13 U..i t L''l I c 3s klit .en i . Ry E _H PLr :: Attachment A CF Sunset Terrace Redevelopment Area and Land Swap/Replacement Housing Sites IMEflelArlONAL Sunset Area Community Planned Action Draft NEPA/SEPA EIS I December 2015 9 1 RENTON SI ,T COMMUNITY AREA REEVALuAt iON AND ADDENDUM Exhibit 7..Renton Sunset Terrace Redevelopment Area and Swap Sites: 2015 SUNSET TERRACE REDEVELOPMENT AREA AND LAND SWAP/.REPLACEMENT HOUSING SITES 4 G -L MEM rye`•^A mmizo 1 ' NE 20th St r S' A , t. Pl. - F•. ' 4- ' a •e I 1 Sil•1 1 y' •: I t) r err' . t+_, ' NE 19th St V. J 1 m. , - - .., NE18IhSt 4 L ,2s,' iCK) 'r`_t' w,'. l TY t, f.r 7 U N.". •11 i.' '1" N • 1 I r C 1f Is 1 4 y -., .,` i'. •,-,' 4:, ... F. r '-If,r' jl Try .;Q-' A k 4 1 i II % r sa i;`: NE13h PI 14 ' t ft` t'.._ f'.i.1L.4 _ yr ra yy NE Park Or , z ., lt" 9 11Q C,24, A i. q ti NE11thPiet 1... t:, y a_ 4 r`'• ` i r e r 1, `S, JR jx do ,•^, ` q, y'yl \ C7 b_ NE 10th P1 1 , •i wr'1 lu 'y,, 7_ 'j",.iy '',. \ A {,•, ti sOtS µ )..ji . - -', F r : i..,; ',,I,-Csw`''• t;-- 1 1 NE 10in St..` rb" >\°•' _. 3' ; 'F7/hs. >9F ' ,. 4 " -f_ },' e' a NE 10th Aly 1 1'NE 9th PI _ r' 1 . fix i y`_, y. t , r t - 'r .,.y„I' t 9t'`-sue..-".y;_.. r J pI G" NE 9Ih St.n is - r ' II,)''_rr • :ILA nt 1. r 111-• - • d a f x9 1y a+'3= j y} J, r t I••••• ,i Cf „_ff' al. j , I1r 1 t. ti:t' tt Potential Sunset Terrace a?k i, r t' r 1 f ,,,r`Redevelopment 1 , rr,; iy f1 _',1 +k .- iVi •I .`:-1l. .- ;r Land Swap/Housing yr. q 1 t 1 1 E,' TJI y l„Replacement Sites i v 1 err Y,^' j*_p e>! i.. •', yJ t`J1` 1 D Study Area 1 1c4ti' r h ih:4-' ' •, w ii. fit r \\•} r-''r1 .- `' i. y. 1 — I, - ..•Master Plan Addition H` i ,1y,'. _.i ti x1` '_.. ^' b i- ,* i, I— 0 500 1,000 N. r intany 4, `1 all 714-6 a4 A'•"sr• ' , 1,, iilit `" • I t Feet A -- 1:. Z*' t —1_ L l.:1S .! . + c h.rv . 11UI BERK Date:September n Source:City of Renton,King County eERK 2015 December 2015 t 10 J RENTON SUNSET COMMUNITY AREA REEVALUATION.AND ADDENDUM 2.2 Land Use Proposals In total,722 dwelling units are being proposed in the study area, which is:to the same as the number of units considered in the 2014 Reevaluation.See Exhibit 8. Exhibit 8.Summary of Total;Units Proposed for Study in Reevaluation' Land Area Total Land Area Total Commerci Dwelling Dwelling al Square Location acres): acres): Units: Units: Feet:2014 2014 2014 2015 2015 and 2015 Master Plan Sites Sunset Terrace and Replacement Sites:C through 1 7.63 671 9.23 671 4,500- 39,500 Library(Site K) 15,000 Sunset Park and Regional Stormwater Facility(Sites L 3.20 3.20 and M) NE 10th and Sunset Lane Loop(Site N and 0) 1.61 1.61 t Total Master Plan Sites 12.44 671 14.04 671 5455 0 Other Sunset Terrace Study Area Sites:Glenwood 0.65 8 0.65 8 Site A)-Developed Swap Sites:Kirkland Avenue(B)-Developed,Library 2.18 43 2.18 43 Site for Future Surplus(X) Other Employment potential in Sunset Terrace and 4,500 Replacement Sites Total All Sites s 15.28 722 ' 16.88 722 19,500 59,000 Source:King County Assessor;ICF Jones&Stokes et al.2011;BERK Consulting 2015 Two alternatives were addressed in the NEPA Record of Decision(ROD)and the Planned Action Ordinance as"selected"alternatives:Alternative 3 and a Preferred,Alternative.See Exhibit 9 for a list of net dwelling units. These alternatives represented the higher growth levels studied in the EIS. The mitigation documents contained in the ROD and Planned Action Ordinance were based on the-range of growth of the two Selected Sunset Area Alternatives. Exhibit 9. Comparison of Net Growth in Sunset Terrace and Neighborhood Alternatives Net New Growth FEIS Preferred Reevaluation Reevaluation FEIS Alternative 3 Alternative Alternative:2014 . Alternative:2015 Dwelling Neighbor- Sunset Neighbor- Sunset Neighbor- Sunset Neighbor- Sunset Units/Jobs hood Terrace hood Terrace hood Terrace hood Terrace Dwelling units ' 2,506 479c , 2,339 266a 2,506 554b 2,506 519b Population 5,789 1,106' ' 5,403 614a 5,789 , 1,279 5,789 _ 1,199 Employment SF 1,310,113 59,000 1,247,444 38,100 1,310,113 19,500- 1,310,113 19,500- 59,000 59,000 1,259,944 Jobs 3,330 182 3,154—117 3,330 60-182 3,330 60-182 3,192 a Does not include approximately 90-100 units to be developed on land swap/housing replacement sites. b Similar to the FEIS,includes the sites shaded purple in Exhibit 1 and Exhibit 6,considered Potential Sunset Terrace December 2015 11 RENTON S', :T COMMUNITY AREA REEVALUM iSON AND ADDENDUM Redevelopment subarea.This equates to Master Plan sites C,D,E,G to 0,plus site A. Sites B,F,and X considered swap sites and included within neighborhood dwelling units. c Does not include swap sites B,F and X. Source:FEIS 2011,BERK 2014 The purpose of identifying two "Selected Sunset Area Alternatives" in the FEIS was to define a range of acceptable growth and designs considering the conceptual nature of the Sunset Terrace redevelopment plans in 2011,as well as the 20-year horizon of the broader neighborhood planned action. The Preferred Alternative was similar to Alternative 3 with slightly lower growth and a reconfiguration of park space and road network. The two alternatives were similar in terms of potential beneficial and adverse impacts and required mitigation measures. Since the original FEIS analysis, additional site planning for Sunset Terrace and other properties has occurred and some changes in the number or location of units have been considered. In 2014, 90 units were added to in the Sunset Terrace Master Plan area (sites C-O), compared to Alternative 3 in the FEIS, but the total number of units in the overall Sunset Area neighborhood remained the same._As well,other site planning considerations were addressed regarding building height, etc. as described above. The NEPA/SEPA Reevaluation conducted in 2014 showed-no substantive changes in impacts or required mitigation were needed as a result of the revised alternative, which is termed the "Reevaluation Alternative." Per the approved 2014 Master Plan, dwelling units may be redistributed among sites provided the Reevaluation conclusions are maintained. While the net units in Sunset Terrace are lower in 2015 than in 2014 per Exhibit 9,this is a reflection of the boundaries of the 2011 Potential Sunset Terrace Redevelopment Area (sites shaded purple in Exhibit 1 and Exhibit 6)that included sites A, C through,E,and G to 0 but did not include site F.Site F is included _ in the neighborhood units. Some potential dwelling units are proposed to be transferred among three individual Master Plan sites; these are identified with the "box" on Exhibit 10. However, the total number of units that could be developed in the Master Plan area would remain the same. December 2015 12 1 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM Exhibit 10.Summary of Total Units Proposed for Study in Reevaluation Total Units - Total Units Site Name EIS Study Area Status Acres: Reviewed in Acres:2015 Reviewed in 2014 Reevaluation:Reevaluation: 2014 2015 A Glennwood Townhomes Sunset Terrace Redevelopment Constructed RHA 0.65 8 0.65 8 B Kirkland Avenue Townhomes Swap Site,North Study Area Constructed RHA 0.77 18 0.77 18 C "Edmonds Apartments Sunset Terrace Redevelopment Part of MasterSite Plan • • " ' - 1.70 112 1.70 . 68 i D Sunset Terrace Apartments Sunset Terrace Redevelopment • Part of Master Site Plan 0,51 . 54 0.51 _ , - Si E Sunset,Park Wesf Townhomes 2014/Harrington Park 2015 " Sunset Terrace Redevelopment Part of MasterSite Plan;Amended f 0.55 10 1.06 . •-19 F Sunset Court Townhomes 2014./Sunset Court Apartments 2015 Swap'Site,Central Study Area Part of MasterSite Plan;Amended 0.88 15 1.95 _ ,50 G . Sunset Park East(Pi ha)Townhomes&Apts Sunset Terrace Redevelopment' Partof MasterSite Plan - - - 1.09 57 1.09 57 H ••Sunset Terrace Dev:BuildingA Sunset Terrace Redevelopment Part of Master Site.Plan 0.99 117 0.99 117 I ' Sunset Terrace Dev.,Building'B, _ Sunset Terrace Redevelopment ",Part of MasterSite Plan 1,18 196 . 3.18 J Sunset TerraceDev.Building C Sunset Terrace Redevelopment Part of Master Site Plan 0.74 110 0.74;110 K Renton Highlands Library Sunset Terrace Redevelopment Part of MasterSite Plan ' See H. 'See H L Regi onal StormwaterFacility SunsetTerrace•Redevelopment Part of Master Site Plan See M. ' See M' M Sunset Park_ Sunset Terrace Redevelopment Part of Master Site Plan-. , 3.20 N Sunset Lane Loop Improvements • Sunset Terrace Redevelopment Part of Master-Site-Plan 1.41 - _ 1.41 ' • O NE 10th Street Extension improvements Sunset Terrace Redevelopment Partof MasterSite Plan 0.20" 020 X LibrarySite(2013) Swap Site,Central Study Area Future Development 1.41 25 1.41 25 i '.. Total-Master Plan Sites , -12.44' - 671 • - 14.04 ' 6711 Total-All Sites 15.28 722 16.88 722 Sources:Veer,Schemata,Colpitts,City of Renton,Renton Housing Authority,Mithun,BERK 2014 December 2015 13 RENTON S, :T COMMUNITY AREA REEVALUATION AND ADDENDUM The 2015 Reevaluation alternative is similar to the 2014 Reevaluation alternative in almost all respects, but potential dwelling units would be transferred from Site C to Sites E and F. Site C would be reduced from 112 units to 68 units(a reduction of 44 units)and the units redistributed by 35 to Site F(an increase of 15 to 50)and by 9 to Site E(an increase of 10 to 19 units). In 2011, the Sunset Court Apartment concept (Site F) was considered as a "swap site" within the-larger project,whereby an existing park and parcels would be consolidated for a larger park. On Site F,the "swap site" is designed with the proposed Sunset Court Apartments.This will be a 50-unit multi-family housing project situated on four tax parcels.Tax parcel numbers(and addresses)are:722780- 1660(1144 Harrington Avenue NE);722780-1665 (1156 Glenwood Avenue NE); 722780-1780(vacant lot on Harrington Place NE); and,722780-1781(City park on Harrington.Place NE).The three additional lots are now included to make the design more conducive to the overall revitalization plan. On Site E, part of the Sunset Area Redevelopment in 2011, two parcels are added: 722780-1315 (1062 Glenwood Avenue NE) and 722780-1290 (1081 Harrington Avenue NE). The two parcels abut two other previously studied parcels in the Sunset Area Redevelopment. Collectively these are called Harrington Park. Approximately 19 townhomes and flats would be constructed on the sites. Six of the parcels (two lots that are part of the Sunset Court Apartment project and all four lots that are part of the Harrington Park project)contain one-story duplex residences that would be demolished. The Master Plan concept approved in 2014 would be revised per the 2015 Reevaluation Alternative shown in Exhibit 11 below. December 2015 14 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM Exhibit 11. Reevaluation Alternative: Master Plan Sites Sunset Terrace Master Site Plan II 12TM AVG NG 14Iii.,-• 3 III; 3it I ,I in. in a Ili ' zi N. i el 17T , P r,-Ih L_,_ _._ 1 ,', D ,,,i 5? 2 hi.' 1.\) ,\\ , J Zi la 4 7' ' ' - N, / / f I 4,,,,„\ c\----) , ___ 2 ma ". 0 0 111--1Eli \ r.' . -::-...: 1--7.--:'V . ,d1 is NE1f3ki9n •• • t KEY I all iiiRESIDENTIAL III i 0 1111 iMINMIXED-USE d r 0 1D COMMUNITY I i SITE AREA 1 ` -_i II \ 4 a *Crsoa MO' " RENTON SUNSET AREA MSP DECEMBER 08,2015 Source: Mithun 2014;Master Plan Amendment Area—conceptually drawn by City of Renton 2015 December 2015 15 RENTON S ET COMMUNITY AREA REEVALuA I ION AND ADDENDUM 2.3 Development Standards Sites C, E and F proposed for the unit reallocation in the 2015 Reevaluation proposal are addressed in this section. No changes to the sites considered in the 2014 Reevaluation, and approved in the currently adopted Master Plan are anticipated. All environmental impacts were addressed in the 2014 NEPA/SEPA Reevaluation. Building Height All three sites, C, E, and F for the Edmonds Apartments, Harrington Park Apartments, and Sunset Court Apartments would be designed to meet allowable heights of their respective zones. Sites C and F are zoned Center Village with a maximum height of 50 feet (60 feet is allowed if there is ground floor commercial).Site C has been conceptually included in the Master Plan with no change to the maximum height; detailed site plans have not been prepared for the property at the time of this writing. Preliminary site plans prepared by RHA for Site F propose up to 40 feet in height under the maximum heights of the zone. Site E is zoned R-14 with a maximum height of 30 feet with proposed heights in preliminary site plans prepared by RHA proposed below that maximum. Density Sites C, E and F are consistent with the density requirements of the zones. See Exhibit 12. Density Standards and Results. Exhibit 12. Density Standards and Results Zone Revised Units Per Maximum Site Acres Units Acre Density C Edmonds Apartments CV 1.70 68 40 80/120 E Harrington Park R-14 1.06 19 17.9 14/18/30 F Sunset Court Apartments CV 1.95 50 26 80/120 Notes: R-14 zone allows a bonus density: A maximum density of eighteen(18)units per net acre,for assisted living,may be allowed subject to conditions of RMC 4-9-065,Density Bonus Review.Affordable housing bonus in the R-14 zone:Up to thirty(30) dwelling units per net acre may be permitted on parcels a minimum of two(2)acres in size if fifty percent(50%)or more of the proposed dwelling units are affordable to low income households with incomes at or below fifty percent(50%)of the area median income.Per 4-9-065 Density Bonus Review:Up to 4 additional dwelling units per net acre.Densities of greater than eighteen(18)units per net acre are prohibited. CV Zone:Assisted living bonus:1.5 times the maximum density may be allowed subject to conditions of RMC 4-9-065. Source:City of Renton Municipal Code;BERK Consulting 2015 Parking Subject sites will be required to meet City parking standards.The standard for parking is as follows: Attached dwellings in RM-U, RM-T, RM-F, R-14 and R-10 Zones:A minimum and maximum of 1.6 per 3 bedroom or large dwelling unit;1.4 per 2 bedroom dwelling unit;1.0 per 1 bedroom or studio dwelling unit. Attached dwellings within all other zones:1 per dwelling unit is required.A maximum of 1.75 per dwelling unit is allowed. Attached dwelling for low income:A minimum of 1 for each 4 dwelling units is required[0.25J.A maximum of 1.75 per dwelling unit is allowed. The sites propose parking consistent with the standards for low-income attached dwellings which may range from 0.25 to 1.75 per dwelling unit: December 2015 16 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM Harington Park: 19 units,3 bedrooms, 25 stalls: Rate of 1.3 stalls per dwelling Sunset Court Apartments:50 units (1 bedroom (12);2 bedroom (20);3 bedroom (18): Rate of 0.98 Site C has not yet been the subject of a preliminary site plan, butrwill follow City codes as appropriate at the time such plans are submitted. Onsite Open Space In the CV zone,common open space is required to be provided at a rate offifty(50)square feet per unit. The City may allow substitutions in light of the public park provided adjacent to the properties. See RMC 4-1-240 for Common'Open Space Substitutions. This would likely require payment of a Fee in Lieu of Common Open Space.This would be addressed in future Site Plan Review applications. The Sunset Court Apartments have a central common space of over 7,750 square feet, larger than the minimum 2,500 square feet required (west of Buildings 3 and 4). The Harrington Park development has a common space of about 4,000 square feet(a larger common area between buildings 1 and 2 and a smaller common area between buildings 3 and 4), more than the minimum 950 square feet required. Private open space is required to be provided for each dwelling unit. Site plans show ground floor units with patio space and upper floors with balconies. At the time of Site Plan Review, the Director may approve modifications such as a percentage of units that may have alternative private open space standards if meeting the overall intent of design standards and other criteria at 4-3-100(F)and RMC 4-9- 250(D). I Setbacks Based on the Renton Municipal Code (RMC)zoning standards, 15 foot setbacks are needed from streets in the R-14 zones and 4-foot setbacks are required for unattached side yards. A maximum 15 foot street setback is required unless parking is accessed from an alley in which case the setback can be 10 feet. Further the parking would need to be located 20 feet from the street. The CV zone setback requires a minimum 10 foot setback which may be reduced to 0 feet as part of the site plan development review process, provided blank walls are not located within the reduced setback. The proposed Harrington Park street setbacks are 10 feet from NE 10th Street,and otherwise 15 feet from other streets.This is based on the parking being located behind the townhomes and accessed at least 20 feet away from the street. ' The Sunset Court Apartments site plans show units meet the required setbacks of 10 feet from streets. 2.4 Facility and Infrastructure Proposals Detailed infrastructure plans have not yet been submitted for the proposals. However,the Sunset Court Apartments and Harrington Park Apartments will be required to meet City standards for utility hookups, fire flow pressure,and stormwater standards. 2.5 Updated Land Cover/ Impervious Analysis The FEIS included an analysis of changes in impervious surfaces. Additionally, consistent with the requirements of Section 7 of the Endangered Species Act(ESA),the original 2011 proposal was evaluated with respect to potential effects ,on species listed or proposed for listing under the ESA.A biological assessment was prepared and submitted to the National Marine Fisheries Service (NMFS) in December 2010 for its concurrence with a finding that the proposal may affect, but is not likely to adversely affect, December 2015 17 RENTON S. ,iT COMMUNITY AREA REEVALw i iON AND ADDENDUM anadromous fish protected under the ESA,and would have no effect on any ESA-protected species under U.S. Fish and Wildlife Service jurisdiction. The City and NMFS corresponded in January, February, and April 2011 on.NMFS questions. The City received a letter of concurrence in May 2011. Exhibit 13 shows the land cover analysis associated with the 2011 FEIS Alternative 3,and Exhibit 14 shows the analysis associated with the Preferred Alternative; both were addressed in the FEIS, ROD and NMFS correspondence. Exhibit 13. FEIS Alternative 3 Land Cover Analysis • Total Total Total Effective Total Area Impervious Pervious Area Total PGIS Untreated Impervious Location acres) Area(acres) (acres)acres) PGIS(acres) (acres) Potential Replacement Sites 3.06 2.28 0.78 0.62 0.26 2.14 Potential Sunset Terrace 12.64 7.04 6.02 2.43 0 • 4.22 RedevelopmentSubarea Total 15.70 9.32• - 6.80 3.05 0.26 6.36 Source: CH2MHill,April 29,2011,memo to Erika Conkling,City of Renton,Summary of Sunset Terrace Land Coverage Analysis in Response to NMFS Comments Exhibit 14: FEIS Preferred Alternative Land Cover Analysis Effective Total Area Total Impervious Total Pervious Total PGIS Total Untreated Impervious Location , acres) Area(acres) Area(acres) (acres) PGIS(acres)acres) Potential Replacement Sites 3.06 2.57 0.49 0.41 0 2.39 Potential Sunset Terrace 12.64 6.1 6.54 1.7 0 3.66 Redevelopment Subarea - Total 15.70 8.67 7.03 2.11 0 6.15 Source: CH2MHill,April 29,2011,memo to Erika Conkling,City of Renton,Summary of Sunset Terrace Land Coverage Analysis in Response to NMFS Comments The following table shows an updated analysis of the 2015 Reevaluation Proposal,indicating that the total impervious area, PGIS and effective impervious area is less than FEIS Alternative 3. Exhibit 15. Reevaluation 2015 Land Cover Analysis Total Total Total Total Total Effective Location Area Impervious Pervious PGIS Untreated Impervious PGIS acres) Area(acres) (acrres) (acres) ( acres) acres)* Potential Replacement Sites 4.14 1.14 3.00 0.29 0.26 0.68 Potential Sunset Terrace Redevelopment Subarea 12.73 7.03 5.70 1.27 0 4.22 Total 16.87 8.17 8.71 1.57 0.26 4.90 Source:Sources:Veer,Schemata,Colpitts,City of Renton,Renton Housing Authority,CH2M Hill,BERK 2014;Schemata,Renton Housing Authority,BERK 2015 Notes: Per FEIS&BA,assumes that 40%of the impervious area in the site would be mitigated with flow control BMPs. Assumes that 35%of the 3.2 acre park site would be impervious. In comparison to Alternative 3,the preliminary analysis indicates•that total acres within the study area as a whole is higher due to the added properties for replacement housing, but total impervious area is lower December 2015 18 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM due to the proposed designs of the sites, lesser Sunset Terrace Right-of-Way and the larger park.There are also less pollutant generating impervious surfaces (PGIS) as there is less surface parking in the preliminary site plans for the 2015 Reevaluation proposal than in Alternative 3; RNA has also indicated use of pervious parking and sidewalks for its developments similar to designs accomplished in the already constructed Kirkland Townhomes. Effective impervious area is also a little lower overall than Alternative 3.Therefore the 2015 Reevaluation Alternative is in the range of the prior analysis and no further analysis or conditions are needed in association with the proposal. The City communicated with NOAA and received confirmation that no new formal consultation is needed with regard to the ESA as the results are within the range previously received in the 2011 letter of concurrence. (pers corn,Janet Curran, NOAA to Rocale Timmons, City of Renton,October 30,2015) 2.6 Master Plan and Other Discretionary Applications The City intends to amend the Master Plan per RMC 4-9-200 to add in the five new parcels (three surrounding Sunset Court Park and' two added north of the loop road with the Harrington Park development). For each Master Plan site, a number of current and future permits are also anticipated. See Exhibit 17.This Reevaluation and Addendum for the revised proposal will also result in minor revisions of the ROD and Planned Action Ordinance to reflect the revised Master Plan. Other development permits and,approvals would also follow, such as lot line adjustments/subdivisions, right-of-way dedications and easements, phased/detailed site plans and associated design modifications where appropriate. Lastly, building and construction permits would be sought. 2.7 Phasing The redevelopment of the study area and broader neighborhood was anticipated to occur over a number of years.The Master(Plan sites will generally be phasedLover a 10 year period in approximately 5 phases. See Exhibit 16. December 2015 19 RENTON S ?T COMMUNITY AREA REEVALUH!iON AND ADDENDUM Exhibit 16.Site Phasing Phasing RHA Sunset Terrace-Sunset Area Replacement and Affordable Housing Units A Glennwood Townhomes Completed B Kirkland Avenue Townhomes Completed Edmonds Apartments Phase 5amen Sunset Terrace Apartments Phase 4 E Harrington Park Phase 5 Sunset Cour._t Apartments. Phase G: Sunset Park East(Piha)Townhomes and.Apartments Phase 5 Other Sunset Terrace Public and Private Projects H Sunset Terrace Dev. Building A . Phase 1 Sunset Terrace Dev: Building B Phase,2 IJ Sunset Terrace Dev. BuildingC , phase K Renton Highlands Library Phase 1 iL Regional Stormwater Facility Phase 2 M Sunset park Phase 4 N Sunset Lane Loop Improvements Extended with Utilities NE 10th Street.Extension; Improvements - Extended with Utilities CX LibrarySite Phase 5 . ` Sources:Veer,Schemata,Colpitts,City of Renton,Renton Housing Authority;BERK 2015 December 2015 20 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM Exhibit 17. Matrix of Permits Permit Matrix Approvals and Permits Summer 2014 Future Permits Permits with Site Plan Review e O. g .d,-o eg -01at C O e 7 c t', . c co c E.u u c vaWi '" a ° w c aei ^ ° y A 3 c a y 2 — m iv i c c :! ¢ m o o E 5 'y E a , ? O wi o a m m c a E j,00 01 O. ` e . O. p• cr 0/ O N . CC it .." 01 Y 9 a 2 , -0 2 9 l N '5 p 'N C 01 w W y p Q J 7 a 'O C O e O O 5 CO O.as II'a+ a ._ Z w O < v of o W '^ i 2 F 2 m Site Project Name E o H z RHASunsetTerrace-Sunset Aria ReplacernentandAffordableHousingUnits _ c- D Sunset Terrace Apartments X X X X X X X X E Harrington Park Apartments . X X X X X X X X F Sunset Court Apartments X X X X X X X G Sunset Park East(Piha)Townhomes and Apartments X X X X X X Other Sunset Terrace Public and Private Projects " - . H Sunset Terrace Dev.Building X X -X X . X C- -- X— — X —X X X X I Sunset Terrace Dev.Building B X X X X ' X X X X X X X X J Sunset Terrace Dev.Building C X X X X X X X X X X X X K Renton Highlands Library X X X X Not Applicable:Already approved L Regional Stormwater Facility X X X X M Sunset Park X X X - X X N Sunset Lane Loop Improvements X X X X O NE 10th Street Extension,Improvements X X X X Sources:Veer,Schemata,Colpitts,City of Renton,Renton Housing Authority,BERK 2015 Notes: Does not include Site C. l i December 2015 21 RENTON S' lET COMMUNITY AREA REEVAL:;,,, ION AND ADDENDUM 3.0 ENVIRONMENTAL ANALYSIS The analysis of each element of the environment below compares the conclusions from the FEIS regarding Alternative 3 and the Preferred Alternative to the 2015 Reevaluation Alternative. It concludes that the revised Master Plan would not change impacts significantly from those identified in the FEIS. 3.1 Land Use The Land Use analysis in the FEIS concluded that the Sunset Area subarea would advance the purposes of the Comprehensive Plan and Center Village (CV) zoning district. It would serve as an incentive for other redevelopment opportunities near the study area. Anticipated growth would also help the City meet its 2031 housing and employment targets. These conclusions are still valid for the 2015 Reevaluation Alternative which proposes housing uses consistent with zoning and developed in coordination with the Master Plan. 3.2 Aesthetics As described in Sections 2.2 and 2.3, the Reevaluation Alternative will reallocate dwelling units among sites, but all sites will meet zoning densities, building heights and setbacks, open space, and landscaping. Design standards will apply. 3.3 Cultural Resources Three parcels were previously studied for potential cultural resources (Sunset Court Park and two Harrington Park lots on the south of the property) and a determination of "no effect" upon,historic properties was issued by the Washington State Department of Archaeology and Historic Preservation. For this 2015 Reevaluation,the added lots with duplexes were studied for potential historic resources and, the park studied again for potential archaeological resources.The report prepared by CRC(Attachment A) shows a new determination of"no effect"as of September 22, 2015. 3.4 Transportation Based on the results of the 2014 Reevaluation traffic analysis, overall transportation conditions are expected to operate similarly to the FEIS Preferred Alternative and Alternative 3.The intersection LOS at each study location is expected to be the same for all of the alternatives, in both 2015 and 2030. The difference in average vehicle delay at intersections studied in the 2014 Reevaluation Alternative is expected to be negligible compared to the delay with Alternative 3 or the Preferred Alternative. Similar mitigation measures as identified in the FEIS would still be required. The 2015 Reevaluation proposal retains the same level of neighborhood growth per the 2011 range of alternatives and the total number of housing units would remain the same neighborhood wide.A traffic impact analysis was prepared for the Sunset Court Apartments to confirm the relocation of units to the site (from 15 to 50 units) would not result in traffic impacts. No significant impacts were identified and the City's level of service standards would be met.,See Appendix B. 3.5 .Parks and Recreation The Sunset Court Park(Site F) is being relocated to a central larger park with the Sunset Terrace property redevelopment consistent with the adopted master plan. There is no change to the 2014 Reevaluation and FEIS results. December 2015 22 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM 3.6 Public Services The overall conclusions of the FEIS for Selected Alternatives is expected to be similar for the Reevaluation Alternative since growth is the same as projected for the overall neighborhood and is similar to the 2014 Reevaluation proposal. 3.7 Utilities Water In the 2014 Reevaluation,a conceptual water main improvements layout for the proposed developments identified in the conceptual master plan was presented in Exhibit 1820 and remains valid for the 2015 Reevaluation. The City will require 12-inch water mains in all new public streets(Harrington Avenue NE,Sunset Lane NE, NE 10th Street, Glennwood Avenue NiE) to provide the estimated fire flow demand ranging from 3,000 gallons per minute (gpm) to 4,000 gpm based on the City Fire Prevention's review of various pre- application submittals. Portions of the water mains in SR 900'were installed by prior projects in the area. The section of the 12-inch main in Harrington Ave between Glennwood Avenue NE and NE 10th street was scheduled for implementation by the City in 2015 as part of the Harrington Ave Green Connection stormwater and water improvements project.Another section will be installed by the KCLS library project in NE 10th Street and in Sunset Lane NE up to the west property line of the KCLS project. A developer's extension of the section of 12-inch water main in SR 900 will be required to be a looped water system. The location of the new water main in SR 900 west of Harrington,whether it will be installed in the existing roadway pavement or in the future unimproved right-of-way must be carefully evaluated as part of the pre-design/design of the roadway improvements projects, and consider the need to accommodate existing and future public and private utilities, rockery/retaining walls,street trees, etc. Adequate horizontal separation (5-ft minimum and up to 10-feet) must be provided between the new water main and other utilities,structures,or trees. December 2015 23 RENTON Sl' ET COMMUNITY AREA REEVAlirkIION AND ADDENDUM Exhibit 18.Water Main Improvements Conceptual Watermain Improvements Layout • for Conceptual Master Plan Project I Renton Sunset Terrace Redevelopment by AbdoW Gafour-City of Renton Water Engr.Manager-6112H4 1 :EXIST.8-INCH IWATERMAINS NE 124" GI% J l — w EXIST.12-INCH ' WATERMAINS 1 I IJ i 0,..•;=....... al, 12,__..... If , 0 uir....„.. ,.., , ,,,,.:., , .. .,, i0 12 fp....,4,iz , . . , ., „... ,,, i f , i i. Ci ti 1_,III l1' ) NEW 12-INCH WATERMAIN 1 I by City's Harrington Ave Project a, 14, .....1 c r I t. in Summer/Fall 2014) Nss....„,„ 4111711* 4:1 (,,. 1 Pi,ria„,-- 1 tilItia• 9R , / y i 1 !, . ii-i t , tilt},____,___ 1310\RC;r10'b(er ii 1-4" ..e RMAIN TO /i Ai SII` s.r. 9' p VA a-"BE INSTALLED BY /,I. l.i"`•I11,4o KCLS PROJECT 4' 1 '4ae•: '-! fi , or if. ,;,s c1 ' T i\N\= h FUTURE 12-INCH •_" 0 1I1; a WATERMAINS a\, ` ; i ` ,(BY DEVELOPERS) f' 7w5 ' J 1. 0 o FUTURE 12-INCH WATERMAIN pp\` \,c\ 0.\ BY-DEVELOPERS) t ! Looped watennain(s)required OTERMAsi.,.....= ----• Lit N RENTON SUNSET AREA MSP n",wm. 4. 1 I i.-'lTt 0' 100' 200' 300' . 40C I Note: See Exhibit for approved Master Plan.While the Master Plan has been updated since the above base map was prepared,the concept for water mains remains intact. 1 December 2015 24 RENTON SUNSET COMMUNITY AREA , REEVALUATION AND ADDENDUM Sewer Sites plans will be required to show the location of the existing sewer system in order to determine the potential re-use of existing sewer(conditioned on lining the existing sewer mains and manholes)provided the location does not interfere with the ultimate roadway/building alignments. 3.8 Other FEIS Topics Generally, regarding natural environment topics (earth,air quality,water resources, plants and animals), there are no anticipated changes to the overall conclusions or mitigation measures identified in the ROD and Planned Action EIS since the proposed mixed use development activities are essentially occurring within the same footprint and the impervious estimates in the FEIS and ROD will be maintained. Conditions, mitigation measures, andl conclusions regarding Environmental Health and Historic/Cultural Features are likewise unchanged. No environmental health conditions or cultural resources features are known in the Potential Sunset Terrace Redevelopment Subarea, but in case such features are uncovered. mitigation measures would apply. Built environment topics that are more suited to analysis under cumulative growth conditions include air quality and energy. The level of potential greenhouse gas emissions and energy use may be slightly higher in the Potential Sunset Terrace Redevelopment Subarea, but not in the neighborhood as a whole, and overall FEIS conclusions and mitigation measures are still applicable. Lastly, regarding socio-economics, housing, and environmental justice, it is anticipated that the overall conditions and impacts.regarding the potential for change in the neighborhood, need for relocation assistance, etc. identified in the FEIS are still valid, as the study area would still redevelop from present conditions to a mixed use,amenity-rich environment. 3.9 Monitoring and Review The Planned Action Ordinance includes monitoring and review measures to be considered within five years of the ordinance adoption;some measures are t-o be considered at the time of a NEPA Reevaluation compliance with neighborhood goals and Leadership in Environmental and Energy Design rating system for Neighborhood Development [LEED-ND] criteria or equivalent), though monitoring and review are directed to the Planned Action area as a whole. The City conducted a review in the 2014 Reevaluation. The next 5-year milestone, based on the effective date of the amended ordinance in 2014, would occur in 2019.At that point more development in the area would have occurred and there would be results to monitor. Nevertheless,this Reevaluation provides a review of the Planned Action Study Area Goals and Objectives and to the LEED-ND criteria in relation to the Reevaluation Alternative to contribute to the City's future 5-year review effort.See Exhibit 20 and Exhibit 20.In general,the 2015 Reevaluation Alternative continues to promote a public and private effort to create a mixed use, mixed income neighborhood supported by park, library, road,and stormwater improvements that increase quality of life. Exhibit 19.Goals and Objectives Ree ialuation FEIS Goals and Objectives Reevaluation Alternative:Potential Sunset Terrace Redevelopment Subarea Transformation of private and public properties in the The Reevaluation Alternative is based on the prior Planned Action Study Area...is expected to meet the studied alternatives and continues to promote a mixed Sunset Area Community vision,as expressed in the income,mixed use development with parks,library,and Highlands Phase II Task Force Recommendations(City of greenstreets to promote an affordable,connected, Renton 2008a)and the CIS(City of Renton 2009b). December 2015 25 RENTON S I ET COMMUNITY AREA REEVALOA1 ION AND ADDENDUM FEIS Goals and Objectives Reevaluation Alternative:Potential Sunset Terrace Redevelopment Subarea The Highlands is a destination for the rest of the city walkable,and attractive area for residents and and beyond. businesses. The neighbors and businesses here are engaged and involved in the community. Neighborhood places are interconnected and walkable. The neighborhood feels safe and secure. Neighborhood growth and development is managed in a way that preserves quality of life. The neighborhood is an attractive place to live and conduct business. The neighborhood is affordable to many incomes., The neighborhood celebrates cultural and ethnic diversity. For each of the major components of the proposal,the The Planned Action Ordinance,as amended in 2014, following specific goals and objectives were developed to remains in effect.The City may update the Planned Action be consistent with this vision. Ordinance with the revised 2015 Master Plan results. 1.Through designation of a Planned Action and The Reevaluation/Addendum demonstrates that the infrastructure investments,support and stimulate public Planned Action EIS conclusions remain valid.City and private development. infrastructure investments for the planned action area continue.For example,regional stormwater and greenstreets are expected to be accomplished in earlier phases.A loop road would be implemented as development occurs and utilities are extended,with the Library site an early phase of that investment.The proposed park is enlarged and would be implemented when funding is secured. 2.Ensure that redevelopment is planned to conform to The Reevaluation Alternative furthers the intent of the CV the City's Comprehensive Plan. zone for a mixed use center,providing housing,civic, retail,and park uses. 3.Through the Planned Action and early environmental See Response to#1.A Demolition and Disposition permit review,accelerate the transformation of the Potential was obtained for the Library site and a second permit was Sunset Terrace Redevelopment Subarea with mixed-obtained for the balance of the site. income housing and mixed uses together with places for community gathering.This will also be accomplished in part by using this EIS to achieve a NEPA Record of Decision,which will enable RHA to submits HUD Demolition and Disposition application in 2015. 4.Ensure that the Planned Action covers environmental See Response to#1.The total amount of growth studied review of Sunset Area roadway,drainage,parks and across the Planned Action study area remains unchanged recreation,and other infrastructure improvements,and under the 2015 Reevaluation Alternative;redistribution analyze impacts of anticipated private development in of some units was evaluated in 2014 and 2015.Both addition to Sunset Terrace. public and private development is promoted in the Potential Sunset Terrace Redevelopment Subarea as well as the broader neighborhood. December 2015 26 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM FEIS Goals and Objectives Reevaluation Alternative:Potential Sunset Terrace Redevelopment Subarea 5.Build on previous City,RHA,and Renton School District The Reevaluation Alternative continues to further the efforts and current projects.Leverage relationships and prior planning efforts.The library is under construction. partner with existing community outreach activities and The parks plan has been adopted,and the subject park resources.Recognize community desires documented in: site in the subarea is larger than in prior alternatives.The Report and Recommendation of the Highlands Area subarea will have a mixed income,mixed use Citizen's Zoning Task Force(City of Renton 2006), development as anticipated in the Community Investment Report and Recommendation of the Highlands Phase II Strategy. Task Force(City of Renton 2008a), Elsewhere in the neighborhood an early childhood Highlands Action Plan(City of Renton 2009c), education center has been redeveloped and expanded in ' Sunset Area Community Investment Strategy(City of partnership with the School District Renton 2009b), Renton Trails and Bicycle Master Plan(City of Renton 2009d), Renton Parks,Recreation,Open Space and Natural Resources Plan(estimated completion date September 2011), Utility system plans,and Library replacement(in process). 6.Create a Great Street on NE Sunset Boulevard,as The Reevaluation Alternative master plan concept described in the CIS.Implement the City Complete Streets anticipates and recognizes the multimodal design of NE policy for the NE Sunset Boulevard corridor and the Sunset Boulevard by matching the future right of way Sunset Area green connections. Extend conceptual design boundary studied in the Final EIS. of improvements between the Interstate 405 limited access right-of-way and Monroe Avenue NE,and include them in the Planned Action effort. 7.Encourage low-impact stormwater management I The Reevaluation Alternative would be developed methods and area-wide solutions as part of a master consistent with the Sunset Area drainage plan.Regional drainage plan to support development. stormwater in the central park and greenstreets(e.g. Harrington Avenue NE)are expected to be accomplished in earlier phases;some are under construction as of 2015. 8.Engage the community in a transparent process using The Reevaluation Alternative is similar to prior studied available outreach opportunities and tools successfully alternatives that were developed with public engagement used in prior planning efforts. opportunities.The Planned Action Ordinance amendments are subject to additional public review opportunities. 9.Optimize funding strategies by leveraging partnerships, The Reevaluation Alternative has resulted from a innovation and sustainable development for a healthy public/private Master Plan coordination effort.See community.Recognize the importance and timing of response to#1 regarding infrastructure and civic integrating housing,transportation,infrastructure, investments. expanded economic opportunity,parks and recreation, and the environment. Source:Final EIS,Appendix A,2011;BERK 2014 The official 2009 LEED ND project scorecard2 published by the U.S. Green Building Council is used as a guide to address green design issues in relation to the proposed redevelopment. For each criteria group on the scorecard,a brief discussion of how the proposed redevelopment is consistent with the principles of LEED ND is provided in Exhibit 20. 2 See:LEED for Neighborhood Development(LEED-ND),available:http://www.cnu.org/leednd.Accessed:August 25,2014. December 2015 27 RENTON Si' ET COMMUNITY AREA REEVAL'j,j i'ION AND ADDENDUM Exhibit 20. LEED for Neighborhood Development Criteria Summary of Criteria Reevaluation Alternative:Potential Sunset Terrace Redevelopment Subarea The intent of the Smart Location and Linkage criteria of The Sunset Terrace site is located along a major the LEED ND rating system is to encourage development transportation and transit corridor within the City of to occur within and near existing communities and Renton. Redevelopment of the site under the established public transit infrastructure,as well as reduce Reevaluation Alternative would contribute to a mixed- vehicle trips. Development in smart locations also use,mixed-income development already served by the encourages a greater degree of walking of bicycling, - full range of public services on a previously developed which has personal health benefits. infill site on a major transit corridor-a"smart location." The master plan concept anticipates and recognizes the multimodal design of NE Sunset Boulevard by matching the future right of way boundary studied in the Final EIS. The intent of the Neighborhood Pattern and Design The master plan furthers the intent of the CV zone for a criteria of the LEED ND rating system is to promote safe, mixed use center,providing housing,civic,retail,and park diverse,walkable,compact neighborhoods with high-uses.The neighborhood is compact,and furthers quality design with a mix of land uses.walkability'and quality design with a loop road, greenstreets,and a new park and library. The intent of the Green Infrastructure and Buildings ' The Reevaluation Alternative as expressed in the criteria is to encourage development that implements amended master plan would implement Final EIS green building practices or introduces green mitigation measures and retain green features of prior infrastructure. This includes using certified green studied alternatives,including: building techniques,increasing building water and energy • Construction Emission Control:The Final EIS efficiency,controlling pollution from construction recommends that the City require all construction activities,implementing adaptive reuse of historic contractors to implement air quality control plans for buildings,and using green methods of stormwater construction activities in the study area,including management. measures for reducing engine emissions and fugitive dust. Green Connections for Stormwater Management:The Reevaluation Alternative would include public investment in Green Connections,a regional stormwater facility,and would comply with a drainage master plan for the study area. Energy Efficiency:The Final EIS recommends that the City encourage or require implementation of energy and.greenhouse gas reduction measures in the study area such as compliance with the Northwest ENERGY STAR Homes program and the Seattle Energy Code for non-residential buildings. Source:Final EIS,Appendix A,2011;BERK 2014 December 2015 28 RENTON SUNSET COMMUNITY AREA REEVALUATION AND ADDENDUM 4.0 CONCLUSIONS The City of Renton(City)is the Responsible Entity and lead agency for NEPA purposes. In accordance with specific statutory authority and the U.S. Department of Housing and Urban Development's (HUD's) regulations at 24 Code of Federal Regulations(CFR)part 58,the City is authorized to assume responsibility for environmental review, decision-making, and action that would otherwise apply to HUD under NEPA. Additionally,the City is the lead agency and proponent of the broader Planned Action for the Sunset area which has had environmental'review:under Washington State Environmental Policy Act (SEPA) Revised Code of Washington [RCW]43.21(C). The City has performed joint NEPA/SEPA environmental review in cooperation with the Recipient, the Renton Housing Authority(RHA). Accordingly,the City prepared a Draft and Final EIS to analyze potential impacts of redevelopment of the Sunset Terrace public housing community. The Final Environmental Impact Statement(FEIS)supporting both milestones was issued April 1, 2011. The City initiated consultation with agencies and tribes regarding permit requirements and to identify any areas of concerns regarding the Sunset Terrace public housing redevelopment as'well as the overall Planned Action. Federal and state agencies were notified of comment opportunities through the scoping process, and were offered comment; opportunity on the Draft EIS. Two agencies were particularly consulted consistent with NEPA,the National Historic Preservation Act(Section 106),and the Endangered Species Act(Section 7). As.documented in the ROD and Environmental Review Record,the City received a letter of concurrence from NMFS in May 2011. The Biological Assessment and NMFS memoranda are included in the Environmental Review Record.The City also completed Section 106 consultation for Sunset Terrace redevelopment and all properties fronting NE Sunset Boulevard as documented in the ROD and Environmental Review Record. In addition,consistent with the federal Coastal Zone Management Act,the City received a letter of consistency from the State of Washington Department of Ecology(16 U.S.C. 1451- 1464). In May 2011,the City of Renton completed a ROD in accordance with the National Environmental Policy Act,and adopted a Planned Action Ordinance in accordance with the State Environmental Policy Act. The ROD and Planned Action Ordinance identified mitigation measures from the FEIS. The Record of Decision (ROD) concluded that."[w]ith the application of City-adopted development regulations and recommended mitigation measures,' and application of other federal and state requirements, no significant unavoidable adverse impacts are anticipated. Pursuant to 40 CFR 1505.3, this decision to proceed with Sunset Terrace and actions in the broader area will be implemented 'and mitigation measures imposed'through appropriate conditions in any land use or related permits or approvals issued by the City of Renton and through conditions of federal funding." This Reevaluation and Addendum maintains the mitigation measures from the EIS, ROD and Planned Action and identifies where the application of such mitigation measures (e.g., design guidelines) is particularly relevant and could be included in permit conditions. The.City finds by this re-evaluation, after considering the effects of the revised Master Plan, as well as existing and supplemental environmental documentation, that no substantive change to the findings in the ROD would occur.The Sunset Area Community Planned Action NEPA/SEPA EIS adequately examines the impacts of the overall project, and the proposed changes in the Master Plan would not result in modification to those.conclusions. No new or significantly different impacts to the environment would occur. Mitigation measures incorporated in the proposal and identified in the EIS, and additional consultation and mitigation documented in the ROD, represent reasonable steps to reduce adverse _ environmental effects of the proposed project. Together, these measures and would reduce effects to December 2015 29 RENTON S' ET COMMUNITY AREA REEVALUM ION AND ADDENDUM acceptable levels. No additional mitigation is warranted as a result of changes proposed in the Master Plan. Responsible Entity Certifying Officer City of Renton Environmental Review Committee(ERC) Date: Signature: Signature: Signature: Signature: December 2015 30 I Print Form Reset Form DEPARTMENT OF COMMUNITY Cityof` j AND ECONOMIC DEVELOPMENT e11 r !' 1 1- 11rTENSIYWORKSHEEfl Planning Division 1055 South Grady Way-Renton, WA 98057 Phone:i 425-430-7200 Fax: 425-430-7231 1. Gross'area of property 81,756 square feet 2. Deductions: Certain areas are excluded from density calculations. These include: Public Streets* square feet Private access easements*square feet Critical Areas** square feet Total excluded area:0 square feet 3. Subtract line 2(total excluded area)from line 1 for net area 81,756 square feet 4. Divide line 3 by 43,560 for net acreage 1.8769 acres 5. Number of dwelling units or lots planned 50 units/lots 6. Divide line 5 by line 4 for net density 26.6402 dwelling units/acre Alleys(public or private)do not have to be excluded. Critical Areas are defined as "Areas determined by the City to be not suitable for development and which are subject to the City's Critical Areas Regulations including very high landslide areas,protected slopes, wetlands, or floodways."Critical'Areas buffers are not deducted/excluded. L.. FEB 01 2016 P.LP.NNING DIV'S-ON 1 H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\density.doc Rev:02/2015 Print Form Reset Form Save Form DEPARTMENT OF COMMUNITY clry OF AND ECONOMIC DEVELOPMENT Renton TREE RETENTION WORKSHEET Planning Division 1055 South Grady Way-Renton,WA 98057 Phone:425-430-7200 I www.rentonwa.gov 1. Total number of trees over 6" diameter 1, or alder or cottonwood trees at least 8" in diameter on project site 21 trees 2. Deductions: Certain trees'are excluded from the retention calculation: Trees that are dangerous2 6 trees Trees in proposed public streets 0 trees Trees in proposed private access easements/tracts 0 trees Trees in critical areas3 and buffers 0 trees Total number of excluded trees: 6 trees 3. Subtract line 2 from line 1: 15 trees 4. Next, to determine the number of trees that must be retained'', multiply line 3 by: 0.3 in zones RC, R-1, R-4, R-6 or R-8 0.2 in all other residential zones 0.1 in all commercial and industrial zones 3 trees 5. List the number of 6" in diameter, or alder or cottonwood trees over 8" in diameter that you are proposing5 to retain4: 0 trees i 6. Subtract line 5 from line 4 for trees to be replaced: if line 6 is zero or less,stop here.No replacement trees are required)3) trees 7. Multiply line 6 by 12"for number of required replacement inches: 36) inches 8. Proposed size of trees to meet additional planting requirement: Minimum 2"caliper trees required) 3 inches per tree 9. Divide line 7 by line.8 for number of replacement trees6: If remainder is.5 or greater,round up to the next whole number) 12 trees Measured at 4.5'above grade. 2 A tree certified,in a written report,as dead,terminally diseased,damaged,or otherwise dangerous to persons or property by a licensed landscape architect,or certified arborist,and approved by the City. 3 Critical areas,such as wetlands,streams,floodplains and protected slopes,are defined in RMC 4-3-050. 4 Count only those trees to be retained outside of critical areas and buffers. 5 The City may require modification of the tree retention plan to ensure retention of the maximum number of trees per RMC 4-4-130H7a. 6 When the required number of protected trees cannot be retained,replacement trees,with at least a twoi;irith12,');Taliper"oranevergreen at least six feet(6')tall,shall be planted.See RMC 4-4-130.H.1.e.(ii)for prohibited types of replacement trees. L1 1 FEB 01 2016 H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Tree Retention Worksheet.docx 08/2015 PL,'.:.NI Minimum Tree Density A minimum tree density shall be maintained on each residentially zoned lot(exempting single-family dwellings in R-10 and R-14).The tree density may consist of existing trees, replacement trees, or a combination. Detached single-family development':Two (2)significant trees8 for every five thousand (5,000) sq. ft. of lot area. For example, a lot with 9,600 square feet and a detached single-family house is required to have four(4) significant trees or their equivalent in caliper inches(one or more trees with a combined diameter of 24"). This is determined with the following formula: • Lot Area 1 x 2 = Minimum Number of Trees 5,000sq.ft.J Multi-family development(attached dwellings): Four(4)significant trees8 for every five thousand (5,000) sq. ft. of lot area. Lot Area x 4 = Minimum Number of Trees 5,000sq.ft. Example Tree Density Table: Lot Lot size Min significant New Trees Retained Trees Compliant trees required 1 5,000 2 2 @ 2" caliper 0 Yes 2 10,000 4 0 1 tree (24 caliper Yes inches) 3 15,000 6 2 @,2" caliper 1 Maple—15 Yes caliper inches 1 Fir-9 caliper inches. Lots developed with detached dwellings in the R-10 and R-14 zoned are exempt from maintaining'a minimum number of significant trees onsite, however they are not exempt from the annual tree removal limits. 8 Or the gross equivalent of caliper inches provided by one(1)or more trees. 2 H:\CED\Data\Forms-Templates\Self-Help Handouts\Planning\Tree Retention Worksheet.docx 08/2015 r: ^jt f% SUE NICOL Horticulturist ISA Certified Arborist LEED Accredited Professional August 26, 2015 To: Mark Gropper Renton Housing Authority Regarding:' Arborist's Report for Sunset.Court Apts. Project• Assignment and Methodology This report documents an arborist's assessment of 2I trees on the above property per City of Renton Conditional Use Permit Submittal Requirements. Data was collected on August I I. Attached to this report'are thelfollowing: List of Trees with tree data, specific observations and recommendations Survey map with'numbers showing tree locations. The scope of work included a detailed assessment of the canopy form, foliage color and density, visible wounds and cavities, and other observable issues that may affect preservation and design decisions.TI a trees were inspected from all sides of the trunk while standing on the ground and were not probed during the assesment.The assessment consisted of the following steps: Trunk diameter was measured at 54"above the ground (DBH, Diameter at Breast Height) except in the case of trees with multiple trunks emerging at grade. If multiple leaders emerge at grade, individual leaders were measured at 4.5 feet above grade. If there is a single trunk under the crotch at or below 4.5 feet,then the single trunk was measured below the crotch. Observations of visible characteristics leading to conclusions about health.Tree condition was given a range from poor (P)to fair (F)to good (.G) to excellent(E). Identification was to species unless impossible to identify to that level without flowers and/or fruit. Concerns were noted on(structural defects including but not limited to decay, poor crown confirmation, co-dominant stems, dieback, dead wood, and fungal conks. Trees were given metal number tags to aid in communication.Tree numbers are listed on the attached List of Trees. Tree numbers are placed on the attached site map.The four Landmark Trees are identified on the map with "LM" placed next to them. The following conclusions and findings are based upon a site visit, current arboricultural best management practices, and my education and professional knowledge gained during 34 years of tree and landscape management in the Puget Sound area. Observations and General Recommendations Red,oak#6I, and Douglas firs#71 and 72 meet the City of Renton's size and health requirements to be considered Landmark Trees. These are the#1, priority for preservation. In addition,the seven oaks, numbered 60 to 66, are considered a grove with one continuous RFCF4310SunnysideAvenueN. 206-545.1726 v' I no Seattle,,Seattle,WA 98103-7661 206.280•9740 cell susammnicol@grilail•com JAN 2 6 2016 -- PLANNING DIVISION canopy.Trees 61 to 66 are mature, magnificent, healthy, and a real asset to the City of Renton's tree canopy. I highly recommend that all efforts be made to preserve them as a grove. In short, Landmark Trees#6I, 71, and 72, and the rest of the oaks are the highest priority for. preservation.Though the 34 inch diameter of Cottonwood #56 gives it Landmark Tree status, its preservation value is much reduced if it is over a structure, parking lot, or walkway where people are likely to frequent. This is due to the species' propensity for sudden limb drop at all times of the year. If a choice has to be made between preserving the cottonwoods or preserving the oaks, I recommend the oaks. Two young deciduous trees,#59 green ash and#60 red oak,are small enough to be moved with a tree spade if they cannot be preserved in place. The rest of the existing trees on this property have lesser preservation value. Several are reasonably healthy so preserve them if possible. Limits of Disturbance Tree protection fence locations shall be determined in either of two ways-- Drip Line Radius DLR) or Critical Root Zone (CRZ) based on trunk diameter. DLR was based on the distance from the center of the trunk to an average of the farthest branch tips.'CRZ was based on one foot of distance for every inch of trunk diameter at 4.5 feet above grade.Tree protection fencing shall be located using either the DLR or CRZ,whichever is reasonable given placement of future hardscape and structures. I have provided both on the attached List of Trees. Supplemental Trees Additional landscaping should include a variety of tree genera and species. I suggest using the City's Approved Street Tree List for suggestions. It is located at the link below: https://rentonwa.gov/uploadedFiles/Business/CED/FORMS/treeslist_march20 10.pdf Here are additional recommendations: Do not plant Fraxinus species since the Emerald Ash Borer may arrive in the next decade and kill members of the genus. Do not plant birches since the Bronze Birch Borer is currently killing birches in western Washington. Plant few maples, since this genus is now over-used locally. Plant a mix of deciduous and coniferous trees. Avoid using hemlocks, redbuds, poplars,willows, and alders. Planting and Maintenance Specifications Tree planting specifications shall conform to those recommended by the Urban Tree Foundation,found at this link: http://www.urbantree.org/details specs.shtml Tree maintenance specifications shall conform to best management practices as written in the International Society of Arboriculture's Best Management Practices booklets for pruning, soil management,tree and shrub fertilization, integrated pest management,watering,etc. 2 Tree Protection,Measures (to,be placed on Tree Protection or Site Plan) A Tree Protection Zone will be established for all trees to be preserved, and no grading, site work, or storage of materials or equipment shall be allowed within this zone. All herbicides used around and under paving shall be labeled as safe for use near trees. Prior to the start of construction,the consulting arborist shall meet with the contractor to review the location of tree protection fencing and work procedures. All trees to be retained shall be fenced to completely enclose the tree protection zone prior.to work starting on the site. Fencing shall meet requirements as written in 4-4- 130, Tree Retention and Land Use Clearing Regulations:"Six foot(6') high chain link temporary construction..1" Fencing shall be placed at the edge of the tree protection zone. Fences are to remain until all grading and construction is completed. Understory trees and shrubs shall be retained within the protection zone.These plants contribute to the root health of the retained trees. If contractor wishes to clear out debris, place equipment outside the drip line and reach in to scrape the surface.Avoid ' excavating beneath tree canopies. No grading, construction, demolition, or other work shall occur within the tree protection zone. Modifications to this zone must be approved in advance by the Consulting Arborist and/or City of Renton. Roots encountered during excavation shall be severed cleanly with lopper or saw,which should be on site for the duration of construction. Injuries occurring to any tree shall be immediately evaluated by the Consulting Arborist to determine appropriateitreatment methods. Pruning needed for clearance during construction shall be performed by a Certified Arborist, or under the di iection of a Certified Arborist. Long-term maintenance of preserved trees shall be as required by the City of Renton but shall include deep but'infrequent watering and pruning to remove-dead and cracked branches. 1 Assumptions and Limiting Conditions: 1. Field examination of the site was made on August I I, 2015. Observations and conclusions'are as of that date. 2. Care has been taken to obtain all information from reliable sources.All data has been verified insofar as possible; however, the consultant can neither guarantee nor be responsible for the accuracy of information provided by others. 3. There is no warranty or guarantee, expressed or implied, that problems or deficiencies, ofthe subject trees may not arise in the future.All trees possess the risk of failure. Trees can fail at any time, with or without obvious defects, and with or without applied stress. Report Submitted by, ie._- l G ISA Certified Arborist#PN 5979A Tree Risk Assessment Qualified 3 List of Trees-Renton Housing Authority Sunset Court.Apts. Prepared by Sue Nicol,Consulting Arborist 4310 Sunnyside Avenue North,Seattle,WA 98103 Phone 206-280-9740 Critical Root Tree DBH* Drip Line Condition** Species Zone Observations,Comments,Recommendations Number Inches) Radius(Feet) E,G,F,P Feet) Cottonwood Widow-maker&minor dead wood in canopy.No visible trunk wounds or decay.Worth preserving if no structures, 55 17 19 17 G parking lots,or walkways are nearby.Cottonwoods have a high propensity for branch failure and are a poor choice forPopulustrichocarpa urban neighborhoods. Cottonwood Landmark Tree.Widow-maker&minor dead wood in canopy.No visible trunk wounds or decay. Worth preserving 56 34 25 34 G if no structures,parking lots,or walkways are nearby.Cottonwoods have a high propensity for branch failure and are aPopulustrichocarpo poor choice for urban neighborhoods. 57 Cottonwood 12 16 NA P Tree has been topped and canopy is in poor form,growing into the chain-link fence.Excessive water sprouts. Populus trichocarpa Recommend removal due to topping and high probability of future branch failure. 58 Ornamental Cherry 20 17 20 F Has typical cherry diseases(shothole,brown rot,and gummosis)but canopy is dense with foliage.Tree is double Prunus sp. trunked above graft union,grafted at 3'6".Tree is in conflict with proposed new parking lot,so will be removed. Green Ash This is a young vigorous ash tree in good form with a healthy canopy.Two gashes from an axe have damaged 8 inches 59 7 10 7 G of the 22"trunk circumference at 40"above grade,but tree is compartmentalizing both wounds well.RecommendFraxinuspennsylvanica preserving this young tree. Red Oak This is a young vigorous Red Oak in good form and healthy canopy.Its canopy is one-sided due to nearby much larger 60 7 12 7 E oaks.It is at the end of the existing oak grove.Recommend preserving the entire grove,or relocating this tree with a Quercus rubra tree spade if proposed construction will impact it. Red Oak Landmark Tree.Magnificent red oak with vigorous healthy canopy.Good root flair.Minor root damage where lawn 61 36 41 36 E mower has scraped bark on surface roots at edge of turf.Minor dead wood in canopy should be removed.This is part Quercus rubra of the oak grove.I recommend preservation of the entire grove. Red Oak Vigorous red oak with good form and healthy canopy.Good root flair.Minor root damage where lawn mower has 62 25 39 25 E scraped bark on surface roots in turf.Minor•dead wood in canopy should be removed.This is part of the oak grove.I Quercus rubro recommend preservation of the entire grove. Condition downgraded to Good due to four girdling roots impacting the root crown.Otherwise,this tree is vigorous 63 Red Oak 25 47 25 G ` and has a healthy canopy and good form.Good root flair.A couple widow-makers.This is part of the oak grove.I Quercus rubra recommend preservation of the entire grove.I recommend removal of at least some of the girdling roots if this tree is preserved. 64 Red Oak 20 29 20 E Vigorous red oak with good form and healthy canopy.Good root flair.Surface roots are visible but not damaged.Minor Quercus rubra dead wood in canopy should be removed.This is part of the oak grove.I recommend preservation of the entire grove. 23 Dense twiggy growth typical of pin oaks.Approx 25%of lower branches are dead,due to shading from nearby oaks. 65 Pin Oak 15 15 F Upper canopy is vigorous and has much less dead wood.Surface roots are visible but not damaged.No visible trunk Quercus palustris wounds,pests,or diseases.I recommend preservation of the entire grove,including this tree.It should be crown cleaned to remove crossing branches and dead wood. 66 Pin Oak 20 27 20 G Dense twiggy growth typical of pin oaks.Should be crown cleaned to remove crossing branches and dead wood.Minor Quercus palustris girdling roots.Otherwise healthy and vigorous and I recommend preservation along with the rest of the grove. 4 J 1 List of Trees- Renton Housing Authority Sunset Court Apts. Critical Root Tree DBH* Drip Line Condition** Species Zone Observations,Comments,Recommendations Number Inches) Radius(Feet) E,G,F,P Feet) 67 Mountain Ash 2@2" 9 9 F Multi-stemmed tree has rotten base where former trunks were cut though canopy is in reasonable health.Trunk Sorbus aucuparia 2@3"I wounds in 3 of the 4 existing trunks.I recommend removal due to poor form and decay. Apple 2@5" 68 16 13 F Old multi-stemmed apple tree still producing fruit.Vigorous canopy.Low to moderate preservation value.Malus domestica I @3" Prune-Plum Cultivar 69 7 I0 7 F Old plum still producing fruit.Vigorous canopy.One broken branch.Low to moderate preservation value.Prunus domestica Cv. Vigorous healthy canopy belies the four conks of Ganoderma applanatum,a white rot decay fungus at the base of theBlackLocust 70 30 19 NA P tree.One conk is 19 inches across,indicating that the fungus is well advanced in the tree.Recommend removal due toRobiniapseudoacado advanced trunk decay. 71 Douglas Fir 35 19 35 G Landmark Tree.Double-trunked at approx.7 feet.Vigorous tree with'dense dark-green-healthy foliage.Resinosis at Pseudotsuga menziesii stress points but no visible evidence of pests or diseases in this tree.I recommend preservation. Landmark Tree.Double-trunked at approx.9 feet.Vigorous tree with dense dark green healthy foliage.Resinosis atDouglasFir 72 30 15 30 G stress points but no visible evidence of pests or diseases in this tree.I recommend preservation and removal of deadPseudotsugamenziesii branches low in the canopy. 73 Apple 19 16 19 G 6 leaders emerge at 18 inches above grade.Tree was measured below the crotch.Vigorous apple is still producing.One Malus domestica old leader is decaying,but otherwise tree is thriving.Preservation value is moderate. 74 Seedling Cherry 7 12 NA P Single trunk is significantly decayed at 3 feet.Canopy has approx.60%dead wood.I recommend removal of this tree Prunus sp. due to poor health. 75 Seedling Cherry 9 stems 10 NA P Several seedling cherries are growing along a fence line.Approx.50%dead wood in canopy.I recommend removal of Prunus sp. 4"to 6" these trees due to poor health.I Notes: DBH: Diameter at Breast Height,or 4.5 feetabove grade , t'+`Condition: E=Excellent G=Good F=Fair P=Poor Prepared by Sue Nicol,Consulting Arborist 8/26/2\015 5 f + T X•I,_- I 1162 HAROTIGTO:AVE NE J LEGso WATERENv SET 5J8•REBAR WI PLASTIC CAP AS NOTED.I ' 6 PARCELS 72278 LLC b HYDRANT UNLESS OTHERWISE STATED.21r4PE IP RED L PARCELi 7 22 78 0-16 7 0 I 2825 NE 12TH 51 Q 10 WA7FJ2 METER 0 MONUMENTS AS NOTEDmumRUM*AUTHORITY Ins NARIDIGTCN R NE C FOUND TACK IN LEAD PLUG AS NOTED.Giennwood Ave NE n IV PAAOLi 722780 2015 ` J HMRNGTCx PLACE CO CO 0 MANHOLES(SS/SD) Y RIC HARD HOUGEroN ,D PARC41.i 311200-FOOD CO UNLESS OTHERWISE STATED. N.OR AREAS.: MEASURED DIMENOONCALCRAT-flAY DE S40I H91. pR•N 22ss 6K 23 PC.220 MAY 1980 C.4 POWERNTIUTY POLE P.OR PLAT: INDICATES RECORD PLAT DIMENSION PER FIAT-VAY NOT FlT E 811-5.1}58y I w a4" 9 a RECi 800129900E 7 MIER SURVEY VD GUY ANCHOR dfGi-Navuymrs TO V. o, f EX.28 PG.BS SEPT.NEC A POWER TRANSFORMER CALCULATED DDAEN;IONCIe •.` I\ I - • aEG18109099002 C.OR OR PRORATEDINDICATES A58859'2110 15200' I t QN8916.37'W 67.3T I. POWER VAULT PLAT PER ME,.SUR.AE?1T5 MADE 41_ 1APOWER METER T ff LIST'-NE4345S STYM ldy.150.72 / 0 TELEPHONE/TV RISER E 611.347.a/- m GAS VALVE _ 4:5 I 6' N8859.211v 75200'WAT I f&C ri_ -- b-1._ E GS=3455r/- GAS METERf •7,D• r. ! 10'SEVER ESML (I25.12'TENPIN BARS)of. w N8859'S7'W SA86' wE 12•M+3455tt/ I E 121E=3L5.19 a30; L PER PUT&RFLi f q a Q STREET uGHr. I 6Q7621&6647013 y 1 1 OAK • M'OM( i8 g9 1 eg 69, 1(Nq'''l B,, f 4L x SPOT ELEVATION II cae ! o"V //r<Q E6E-x•s4os io scN 1 w ROCKED% I„ j IO'EWERESNI. y\ CI // t TOUT R 349.3 6 CYLl3 ROCKERY 1 PER PUT&fECi CO?BFERrO TREE I • \ I J .."2,--' 6471624&66Q013 Sh p W/APPROWIAATE DRIP LONE) i J i g CHERRY,MAP=MAPLE,DEC-UNKNOWN DECIDUOUS)I o 5;, DECIDUOUS TREE CHRY 24 4, M W/APPROXIMATE DRIP LANE) Iy a O`y ' 3 1 0 PAO O-' Ski..-)i(4, • SUBDIVISION UNES Si- e, J' 7 N. CENTER ONESSi I 0 C 41•}PJiy •(1 t PROPERTY LCIES I 11'S GIEWA µAYE NE ./ 6( \l 7 M r• V..3 4 y !p Ch RIGHT-OF-WAY WAY USES ei a .+ PARCEi 7I2780-1685 O'il+ C 110" 1 Y1 4. Q' 6v IY' r0\'r4r, q LOT LANESWlo, y 9 WATER uNE AAi 1J1 fI\ I<'D,V v. jG s p'/ 2. r 7f'/PC' J', I t _ ry`P IL 9 STORM ORaNSANITARY UNEtERUNElb. I \ ' J RR `G t r L GAS UNEIy a. J 0 5 1 iELANDSCO PJb35O55 4". va UNES SPY C l7 Y I 4)/ 906 PARCEL g 22780-1780 4 O/ E 6N.3t9.0 ( T UNDERGROUND TELEPHONEONE USES I z, r'!, r I Y%ON UNDERGROUND CABLE IV USES SLWSE7 NORTH CONDO SURVEI' / _. __ n• I` I / f 1L 1 AP J %,/‘, o a- OVERHEAD URUTY LINES Bk.147 PG.64 APRIL 199E = L{ REC.!980aTfi0689 z-- J ESIRED // J/ J• g w o-- - -x-x- RENFENCE FENCE G ....r NK D-0-a-0- WOOD iII4CE I J J` NOTES:t S N862/'ITA Sr HORIZONTAL MERIDIAN:NA083/91I1- _ 12Z-1'plat&UM V ANDBASIS OF BEARING: 88542TE EETWEEN CITY OF RENTON MONUMENT NUMBERS 57 •J Q• 49,, , AND 11343 ALONG NE 12LN ST. - a 7 POP 1 J j MN MM.352.75 VERTICAL DATUM: NAND 88 PER CITY OF RENTON CONTROL NETWORK M Q' IE 1 343.45 //'-' HA 4,Cpq CONTROLUNG BENCHAARIN CITY OF RENTON MONUMENT NO.57:S BRASS DISC'N/•X•IN CASE AT INT.OF NE 12TH ST.&EDMONDS AVE NE.I Uy55 I CO Y.. % d ELEVATION-326.43'(90.496 METERS) e / 8 J \ A4{ p- J`OP 1 - /_ y TOTAL SITE AREA: 52,88E 50.FT.,OR 1.214 ACRES IIf J J v j/ ' j J (/U, J //-/L TAX ACCOUNT NUMBERS: 722780-1EE1&722780-1660 i L9 11 Q. 4 • Jij rT"'p / 67 NO TITLE REPORT PROVIDED.EASEUFNiS,IF ANY.ARE NOT SHOWN. I vOOI r1 2a'FlR • / J j REFERENCE SURVEYS: LU i t CORRECTED PLAT OF RENTON HIGHLANDS NO.2 C 1144 NMRNGTOIL AYE SE1 ( 6)5• APPLE J R-I: 7982 OYLER SURVEY,LLA OD3-82.Bk.31.Pg.235E REGp 8204219003 A' SCOTT WI 1 R-2: 1983 OYLER SURVEY.LLA 007-83.BR.35.Pg.205,RECO 8304119003 PaaCii 722780-I660 j _ 1 4' R-3: 1983 OYL£R SURVEY.LEA 075-83. . 37,Pg.190E RECi 8309299002 7 R-4: 1983 D.E.A.SURVEY.Bk.89.Pg.248.REC6 9210149004 I 1 Q J THE LOCANCN AND DBASE PDON OF ALL SURVEY MARKERS AND TOPOGRAPHY1V,. r ASRALI SH045N HEREON ARE BASED ON FIELD OBSERVATIONS TAKEN IN DECELIBER 2014 I 8 7 J J AND JANUARY 2015.UNLESS OTHERWISE INDICATED. E 4-A w C•1.. 'T,: J WORK PFRFORb1ED LN CONJUNCTION EITH MI5 SURVEY TRONIC THE STASCNGSnn j 4 EOUIPMEN7 AND PROCEDURES: (A)LEICA TCA1103 ELECTRONIC TOTAL-125-1.S 4E 6v yam MAINTAINED TO ME MANUFACTURER'S SPECHICATIONS PER W.A.C.J32-130-100. g B)FIELD TRAVERSE,EXCEEDING RECUIRENENTS SET FORTH IN w,0.C. L I cG. o$' C S 3]2-f30-OBOE i L. 5 wJ,' LEGAL DESCRIPTION: l 4 r PAL THS SURVEY DRAWWG PRESENTS SURFACE FEATURES LOCATED DURING MEIry - --- - - i'•; / _ _ -• - TOTAL PARCEL- --- - 1'/" THAT PORTION Cr P1NR1L USE AREA ADJACENT m TRACT 460 w 10.0CK 46 a CORRECTED PLAT a COURSE OF THIS SURVEY. UNDERGROUND UTILITIES SHOWN HEREON(IF ANY)ARE 7' ROUGH HOLADDS N0.2 AN ADDIIICN TO 11[Ott C RDNIOt1.ACCCAC:NO D ME PLAT BASED SOLELY UPON INFORMATION PROVIDED BY OTHERS AND BENCHMARK u al e/i/ t` 52.887E SOFT. RECOFmty_Ly_vpLyE g7_[i LV.ATS,-PAG(5-92-m.90.DK11J91£-RECORDS Cr-COUNTY OFK9.'0--- SURVEYING LLC DOES NOT.ACCEPT RESPONSIBILITY OR ASSUME UABNTY FOR ME 1F'". - I I214'AC:-- J A a'• ASI•ILOK LYNC SOUIN Oi A 18R Df .D A9 FOLL011i ACCURACY OR COMPLETENESS. I yj 6 YPD 1104 HARRNGTON AYE NE O UMW AT SE 5CR1EAST CORER CF LOT 21.RUCK 48 Cf SAID PUT: CONTRACTOR/ENGINEERS/OWNERS/ARCHITECTS AND ALL OTHERS SHALL VERIFYIr e, 1 /• O On OF RDNON J a j. RIFNCE E/ST ro THE SCITR95SE CORNER of TRACT 46A ff sND PUa EXACT SIZE AND LOCATION PRIOR TO CONSTRUCTION. •11 ,V -/ PARW.*722780-1781 p ! 11` / S AND LING NORTH 6 THE MIMING DESCRIBED 19(1 CALL FOR LOCATE: UTILITY LOCATION SERVICE: 1-800-424-5555. I r • .' BE(i0®!G AT THE SOUIMIEST COWER OF 101 TO.ROIX IB Cr BAD PUT: l .-I cal UNDER Ti j p3 Dmta SOUTH 033547E NEST 255E FEET RNA ME SOUTHIST CORDER OP SAD LOT 19: SURVEY NOTE ' C0NS1RUC71DN I J J, THENCE SOUBI 6634'36'EAST 260.60 FEET TO INN TSNTERINE K VACATES NARRNGTON P{Afl I 0 0 ji G J NORTHAST AND 11E MOMS Cr SAD 10(1 TIE CORRECTED PUT OF REIITCI 18COAt05 N0.4 GRIMLY _f Q, /•l i s01E K TIE ROAD AUCKOENT GEOKRY CLOSED wTIIDII 1 I I 1.-:4/ //•' b 4k BCTREn1 LOTS 20 1A ID 21 01 SAID BLOCK 46. nV@I TRACTS a6A AND 46B 6 9!D RAT AND ro FULL OF GROSS ET6tORS TRN19'lL9TNl6 um Y6-CILO.LNS9SMm,uY NONE THE LOTS ADD EMIG NOTED ON DC FLAT NEEDED CLOSE EIIMEIAIDN AS 11E 'CORRECTED PUT'APPEARS I 4I/ / / /•// Ae s' PARCEL C-1: ASS1125WEEEL TICOTT AS HOTD Y DO TIC IAMAMUIX 5101(11m DIROR F1id1AEMOO 11 Po9 ON'HOT SNUCEIr _ -- _-J OKAY p* OR. ,."Y/ j ggg POWER Of TRACT 468 OF RARE A6 El CORFSCTED 7'UT Or ROOM Nfi9AID5 Ho.2 AN Aram HMI 695 FENDED,gEARpm FOR N THE MD AID 1®NIO TIE1YYYI I // j n fa m THE COY OF RENTON.ACCCDFIG TO THE PUT RECORDED N WJK 57 or RATS PACKS 92 m RATE(4TIT v SE AND I.5 005E1 98 I102111 E RECORDS C'COMET 6 IB.•A9NGTOL AND TWIT 1'DRTE.,OF VACATED C'nEll W OTHERSBEEN OFSWOIID BY VAWO15 CON57PUCAlY1 NE?01 s.SCE flT MU AND'AE IE1Dj , 2806 SUNSET BCW NE AND A FEY 681(8Ku SEV28AL FEET OFF a'RECORD SAUCY DATA I!$IORD mLY`ANDIPAAGREATERFNIAtNp$LLC IufWNGTON PUCE NORTHEAST(FORMERLY 12TH PLACE),DESCOBED AS FOUON& REI NPSIC COWER NON GENTS HERE WW2 FOR TIC BOADAR?O'SIMET COURT ALONG NTH ID r4Js-°' J /// PARCL/722780-1235 PLATED DDE1 11€Z.?'BIGNEIG AT 11E LAND COVEN O'LEE 1E.SIDNLY LK Cr TRACT 468 AID THE NORTHERLY TINE OF A FOR BLOC(41.DE 2 RELLNAN BOLT YONUIENTS CH CIIN•DCD AYE 06AGREE Toni RAT ROADZ.? WN'p' == 50 FOOT STRIP OF LAND DEEDED IN AUDIMR'3 FIE NO 647164 P191ON BY ABOUT 47 FEET AID NEW NEED FOR 001ECENERUHE AUOEENT AND NW-TANLONT PONTTHENCENORTH3215'58'EAST ALONG SAID*ESTERO'ADE 2180E FEET To 11E TRUE P0911 Cr OF CURWATORE TO ITC SOIM LOT CORNER NINI/ODITS MAD TITRE GENERALLY MELD ALONG NTH Q BEG99iIG; PHYSICAL REAMING N CL STALES NOSE TO FUT C1ELl9OS AND 1MTC ARG FAIRLY HELL I -_ _^ -- 1 HENCE SOUTH 5744'02'EAST 1101D FEET TO DE WEs1ERLY WON OF SAD RN R1IGTDN PUCENTHI t NORTHEAST: fON TINSEL REASONS R RIMED p6DylT i HDT^• Q+A FOR ANY 7%0 STRAITS 70 AGREE V M i OACH OM ER.BowDARr uYE ACEfNDl75 POS98lY N RE FORM GE LOT HNC ALN STYO TS HO M5 V A •T/1// nEINFE SOIm J215.58•fEiT.tLCD BAD uARCaI 187.69 FEET To THE SCUM LITEE OF REx7ox LED EC CONCERNED eEI`N N 11E RDECT AREAS AND AWO9NNG ENflfi®C6 To RESOLVE ANY FUTUREMGAMKTI@RID.ILA 7 . 0 RECORDED uD®RECCD3 SO.83an9001 M 4<. 1.TaRr` \ % wN IOU W/ THENCE SOWN e634.36•EAST ALCM SAD scorn LINE 6.03 FEET: I ( a'& C DEC 0 HENCE NORTH 3F24.4S EAST 196.09 6 i g°`i THENCENORTH razor DIST 11021 FEFkT LOT CLOSING ERRORS D O J VACATED R-D-TT ORD1553 p BENCE NORTH 3036.11•EAST 99.IT FEET 10 THE NORTHWOTEIL.T GONER OF SAD TRACT Ka FLAT=SURE CALCULATIONS URFIMC BEARNOS AHD CSTANCES IRON TEEM IAA 7 3 el. RDL R MC(SOUTH 321558-*EST ALONG THE GORILY LTNE OF SAID TRACT solo FEET TO M PONT OF j 598E=AS1E fiOWO 111 T p,AN: I R•_ fOTEAY'EATEN 146:LOT 19+ERROR.TOTPARCELC-] E SELL' e POUCH OF TRACT 468 OF 8L00(W OF CORRECTED PUT Cr RERUN NOUN*NO 2,AN AMAROI LOT 20 a RROR= FV1 N. i_,_.'r"._- x O RECORDS O'COUNTY OF KING, TO BC an Cr RENICK ACCORDING TO THE NA0LMGTC; T ED LING IN YNORTIEILY OF THE Ei 10 A DESCRIBED LANE PRAWN LOT LONE PER UA 00 LR-1f---- I . `, . T Y..--------___...-_-__ / ---, A 6EGIl8IG AT TIE SOUIIMST CORNER OF LOT 19,BLOCH 46 OF SLR PLAT:fj ' 1\LLC' 0 70 THENCE SOUTH D335.47'HEST 2553 FEET FROG THE SWMnEST CORER Cr 6A0 LOT 19:resrt.r 0c..6• vw m,,.,..:,...,•.,,,., n...,... C'THEME WIN 863+•38•EAST xneo FEET TO nE 0NEm040 OF TAMED xwIRDTa PLACES9NpE1=3<vI g ' FNasoF ssiF '" nsr e"' 09-23N-05E E 82.331E 6e3A3T 17BIO. {e"-. NORTHEAST AND TIE 7CWmDS C'SAD 19ff: ff b'11-5.1329 I G CDR L00047 R g3 U9860U MJ•x ' f2OGBY CALK 200.80'R-3 ro C/1) Z ••I'T.'A Jdff AND LING SOUTHERLY AND Ht51BLY OF THE FdLOANG DESfFBFD MC j W BEDIDNG AT TIC WIERSECIDN Of TIC 151501.Y MC Cl TRACT 468 AHD THE NCLIEERLY UE OF A rII GRAPHIC SCALE 50 FOOT STRIP OF LAND DEEDED IN AUOTOFS FRE NO 6471825: VACATED R-0-71 D70.2553 HENCE NORTH 321558-EAST AINIG SAD M.STERLY 19E 21LC8 FEET 10 TIE THE FONT Cr YY\•20 0 Fo 20 eIIDICE 1-1-1-.--in 1100 KNOVNG70N AYE NE THEMS SO1n1 57N'02•EAST 1T0.00 FEET m ilE 1Tt51ERLY MARCx C'sAD PAIL911GTa PIALLr•/V •1. w:! 1HE SLSTR C CONDO.-56a NORDEAST;30•03' FARCE/677730-0'DO TEENFE SOUm 3275'SB'a7- AICNC SAD LARGN 187.69 ( 6( ro 30 SOUiH L9Z Cf FEN7O1 LOI CONNINt INN AOJIA7IENT NOW 7-83.RECORDED TDER RECLRCue NO 6304119001 AND DE T[DCLa OF7 .'A- I M FEET) SAD WE SSIN RM•317.23 I ' I inch 20 1l. ry. ...•Sit1.E e•NE-WJ361J 0}j\' !l{_n0 1•`- ADDED ADDITIONAL TCPO, NOTES, ADDED SHEET 2 FOR THE NODE SITE 1/15/2015 DATE 1/08/2015 1 PRO - TNO. SCALE 2O, BOUNDARY&TOPOGRAPHIC SURVEYCAD/CALL JD ADDED TITLE REPORT LEGAL DESCRIPTION AND SEWER EASEMENT 1/20/2015 BENCHMARK SURVEYING LLC FOR RHA201 NEON DRAWN XXX I191 5 44114 DRIVE SE 612KIRIKLAND AVE.SUTTEA-4 SUNSET COURT TOWNHOMES ' SURVEY TEAM JD/Ro9O EVEREFF.WA 98208 KIRKLAND.WA98033 RENTON HOUSING AUTHORITY XXX p.206.396.6252 P.206.396.3199 FIELD BECK RE PORTION OF:'NW 1/4.NW 1/4.SECTION 09.T.23 N..R.05 E..W.M. SHEET 1 OF 2REiSIONDATEOWCFILEFILE e.4a55J R, `%•\ CB RN= 345.3 51Arz Hggpppp' `E i LEGEND ALVE CD SET 5/8'REBAR W/PLASTIC CAP AS NOTED.Ll // .\,! EI2'(5)=345.3E I'I AN -` ,ii O-` j.' d \ IE e'(E)=345,55 ARCffI. r22780`-670 X' \ V HYDRANT UNLESS OTHERWSE STATED. u ') n' ` • `-- 1B I FB WATER METER B MONUMENTS AS NOTED 2 MPE R "/ A.R3+ HQU G IIH(fD)1" 117E f R/1 T P(NE Q\/ MANHOLES SS SD f W){x LCBON ON AHC4 j q _ GO1Y (gESTROYID.B.CONST. _•n IA F L T 7 0 20 5 I ) FOUND TACK IN LEAD PLUG AS NOTED, NO C.O.R.N..LIES) FOUND 3/4',NON BAR I F ARRN'T DO C N UNLESS OTHERWISE STATED. H 1( 0- POWER TIIJTY POLE M.OR MEAS.: MEASURED DIMENSIONG TED CENTERLINE Ave NE SET MACIUR USHER nl$ 0.5'NE OFED CORNER y SETBRASSSAL'AIAGNAIL W/ I' RICHARD HWOITON SURVEY L----------------/-----------.....I FAPCEL 31 op Y , E GUY ANCHOR P.OR PLAT: INDICATES RECORD PLAT DIMENSION S- IT RIMS-:.A: - '1'8/03/2O5 z H (DISTURBED BY CONST.) moo, - \/ yyD WASHER W • BK.23 PG 220 MAY 1980 A=Q POWER TRANSFORMER C.OR CALM.: INDICATES A CALCULATED DIMENSIONCALCULATEDCENTERLINE1ypWItyLOWRAILFENCE ' NEC. 8005299001 - .B KEN R SUBLET fff/JJJ OR PRORATED PLAT PER MEASURMENTS MADE.IE 8'N-S-335.8., Fr• BK-18•PG 298 SEPT.1980 P POWER VAULTPERPLAT-MAY NOT Fli 1 1,- - RFC/8109099002 OM POWER METERBOLT-YODYENIS 10 W. _ I 8 w a - 0 TELEPHONE/N RISER N 859'§i'W 1'11,00'I' 3yv N.:.:'S7•W Sfi.75 „ .`\_\ i''''',i._ si 2' —_ s' CB RIM 35027 ED GAS VALVE ems'ss ms tux IE 11'SW-NE=345 5 SOMH RIM=J50.72'' ss I IE 6'W=347.Or/- GAS METERHTi IE •=3455+/- STREET LIG14 x859'21'W 15200'PLAT&B.ALC 35.-.Iw. gNt `. y, 6 5Q 3 125.1T'BETWEEN BARS)- v` I NBB58'S7'w 59.66' OJ •`Q/- r IE 12•SW=345,5+/- x SPOT ELEVATION j J( _ I IE 12°NE=34519 a SIGNyoMAILBOXJH\ Iv Ifi I I r tio I56 I;fIEfd4WD0 AVE Pi, 1<'.AP 7. o+: / p" I 4, A / _ N I Y a L• a W (-) TTf LENDiIAS NESUNES I P °,- dCw' 722 16J5N i ye•r - t1` 7 RIGHT-OF-WAY LINESI1Y u pp_,, 4 ,rhow t' 5' zjf •C PROPERTY LINES If 1 JI ( paa c J 1- 2f - 'J • 7' a- 2J "•PJ• .ltA LOTUNES/ Ii D - f) 1 N' QSETSALMADRAIL W/ 2• l0 [hWATER UNE u m/ I Vq t' y\, 6v BflASS WASHER AT s r0 Q ss SANITARY SEWER UNE 1 I I f 3sn 1 ('\46 T 28'AP SW/ •Y \•\ G y BACK OF CURB AT R-1 s P[{ gD p4• L so STORM DRAIN LINE I S7 G Q\+p' jy cp Qs 6.57'ofTSET TO CORNER ,94. Jl /1 x G GAS UNE I d 24•ELM I $LO Fi,i O`j2 lly l/ y • uPUNDERGROUND POWER UNES I4N I I i 4 C' y d'//J 4 I CB RUN=350.5E j\ ur UNDERGROUND TELEPHONE UNES I bR 3•/ RRfu S IE 6'N=349.0 ury UNDERGROUND CABLE TV UNES I ON. OVERHEAD UTILITY UNES m , 3'3 I //n` ( ag/I 0 N d• y o APPL ^'//, 780j ', c o 0-0—o—O- CHAIN UNN FENCE L / / I J h 4 J wP.• N Y 7 s x—x—x—x—'- WIREFENCE SUNSET NORTH CONDO SURVEY - I 1 L __.--_O y / U „.„.,-/,„" \ END/ACCEPTED 3/4'PIPE I .\• r• 0 0—O 0 WOOD FENCE MC 147 PO.64 APfld 1998ii•a.n J `9i1 STAMPED'OTTER LS 5524' EEG/9804160689 u, .' ,I 4sa l^' v _ _-- Y0(%// /// %/'•R-3)ElEV=348.60 X- Dya 3/ I, /' z" LEGAL DESCRIPTION:IN c It snw // a SE AREA ADJACENT T ,RENTON,AL'CORDNGG TOCMEECTED PLAT OFPUTRECORDED 1 CRY I l PARCEL A: q R TON N\ THAT PORTION OF PUBLIC UIFNXGILANDS0.2 AN ADDITION TO THE_ 1%/ IN VOLUME 57 OF PLA15,PAGES 92 TO 98.INCLUSIVE,RECORDS OF COUNTY OF KING,WASXINGTIX4,J IN POP Jp/ ,V / (- /-''., •, SSNH RIM=352,75 LYING SOUTH OF A UNE DESCRIBED AS FOLLOWS:BEONNNG AT THE SOUTHEAST CORNER OF LOT 21, I3 Q' dh y \ IE 6.343,4E BLOCK 46 OF SAID PLAT;THENCE EAST TO THE SOUTHWEST C RNER OF TRACT 46A OF SAID PLAT; U''r' FIR j 0,8 AND LONG NORTH OF THE FOLLONNG DESCRIBED LNE BEONNWG AT THE SOUTXNEST CORNER OF LOT f9t!(,9 J tIN.BLOCK 46 OFSNDPLAT;THENCESOUTH 0335'4YWEST 25.58FEEEFROM THESOUTHWEST• JGJ 1 `1s)y OJ,Z / CORNER OF SAID LOT IN;THENCE SOUTH 8634'36'EAST 20aeD FEET TO THE CENTERLINE OU 7, S2 P P \o VACATED HARRINCTON PLACE NORTHEAST AND THE TERMINUS OF SAID UNE;TO ETHER MATH A 10v{ 9 FOOT WALI(WAY LYING BETW EN TRACTS AAA AND 468 OF SND PLAT AND BETWEEN LOTS TO AND 21 I 1 Jp f• OF SAID BLOCK 46, I 1 Q' 1 s. `7W f o' PORTION OF TRACT 4613 OF BLOCK 46 OF CORRECTED PL7V OF RENTON HIGHLANDS NO.2,AN I1 / .OU dT '19 1 4A m e' f ADDITION TO THE Ott OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, I U 1 Fo/ 24°FIR e 3i,f J• /NOTES. PAGES 92 TO NB,INCLUSIVE,RECORDS OF COUNTY OF KING,WASHINCTON,AND THAT PORTION OF W r5)'S• 'PRE 1 VACATED HARRINGTON PLACE NORTHEAST(FORMERLY 12TN PLACE).DESCRIBES AS FOLLOWS:BEGINNING Y'<\ 1 HARRMGy}ON A 1 Y j HORIZONTAL MERIDIAN: NAD83/91 AT THE INTERSECTION OF THE WESTERLY UNE OF TRACT 46B AND THE NORTHERLY LINE OF A 50 FOOT 1 1 P C1 1p780•- 6 \ I/ / f Nate+ 7 I-. BASIS OF BEARING: 5.8854'27'E BETWEEN CITY OF RENTON MONUMENT NUMBERS 57 STRIP OF LAND DEEDED IN AUDITOR'S RIE Na 6471625:THENCE NORTH 3215'58'EAST ALONG SAID _ qp7. II rPM S AND 1843 ALONG NE 12th ST. WESTERLY UNE 216.08 FEET TO THE TRUE PONT OF BEGNNING THENCE SOUTH 57'44'02'EAST 11000 T'\ I FEET TO THE WESTERLY MARGIN OF SAID HARRINGTW PLACE NORTHEAST;THENCE SOUTH 3215'58' L.0 I VERTICAL DATUM: NAVO 88 PER CITY OF RENTON CONTROL NETWORK WEST ALONG SAID MARGIN 187.69 FEET TO THE SOUTH UNE OF RENTON LOT UNE ADJUSTMENT NO.LTA 1 r - d ` W T CONTROLLING BENCHAARK: CITY OF RENTON MONUMENT NO.57: 7-63,RECORDED UNDER RECORDING ND.8 3041190 0 3;THENCE SOUTH 86'34'36'EAST ALONG SAID I/-I o !may II \ FDA 1 /' 3'BRASS DISC W %'IN CASE AT TNT.OF NE 12TH 5T.&EDMONDS AVE.NE. J SOUTH UNE 6.03 FEET;THENCE NORTH 3174'45'EAST 186.09 FEET;THENCE NORTH 58R413'NESTJ - 19.2' r / \ ELEVATION-326.43'(99.496 METERS) 110.21 FEET;THENCE NORTH 30'56'11•EAST 99,11 FEET TO THE NORTHWESTERLY CORNER OF SAIDII/ -M n \ y.'' sl I if N,( L}Iyy TRACT 16B;THENCE SOUTH 3215'58'NEST ALONG THE WESTERLY USE OF SAID TRACT 99.09 FEET TOIII \\ J y/f 6 v9 f 9. TOTAL SIZE AREA: 87,059 S0.FT..OR 1.999 ACRES THE POINT OF BEGNNINGIT1 \\4-// Uk I , TAX ACCOUNT NO:722780-1781,722780-1680,722784-I660,722780-1665 PARCEL A-2: 3`PORTION OF TRACT 468 OF BLOC(46 OF CORRECTED PLAT OF RENTON HIGHLANDS Na 2,AN N' U,o//s•" g,P+ T' TITLE REPORT: FIRST AMERICAN TITLE INSURANCE COMPANY FILE NO. ADG1110N TO THE OP/OF RENTON.ACCORDING TD THE PLAT RECORDED IN VOLUME 57 OF PLATS, T. 7 I NOS-704323-WAi,THIRD REPORT DATED JURY 22,2015.ALL LEGAL DESCRIPTIONS PAGES 92 TO 98.INCLUSIVE,RECORDS OF COUNTY OF KING WASHMCTON,LYING NORTHERLY OF RE t'/./. l\ ARE PER SAID REPORT AND ANY EASEMENTS SHOWN HEREON. FOLLOWING DESCRIBED UNE BEGNNING AT THE SOUTHWEST CORNER OF LOT IN.BLOCK 46 OF SAID 1 r B - A TOTAL PARCELIT - - -- - - PLAT:THENCE SOUTH 0315'47'WEST 25.58 FEET FROM THE SOUTHWEST CORNER OF SAID LOT 1$ 87.059 SQ. - c1y- REFERENCE SURVEYS:_ THENCE SOUTH 8634.36•EAST 2OI8O FEET TO THE CENTER UNE OF VACATED HARRINGTON PLACE 4A-" 1 get3'/•// " 1.999 AC d p4' CORRECTED PLAT OF-RENTON-HIGHLANDS-NO.-2 NORTHEAST AND THE TERMINUS OF SAID UNE;AND LUNG SOUTHERLY AND WESTERLY OF THEIanO' s % V } T R-1: 1982 OYLER SURVEY,LLA 003-82,Bk.31,Pg.2a5,REM/82042190D3BAD //e4' 1 T Y f FOLLOWING DESCRIBED UNE BEGNNING AT THE INTERSECTION OF THE WESTERLY UNE OF TRACT 46B TO Nu=346 6J I I 1/ 1 1 y,1R G 'AVE NE R-2: 1983 OYLER SURVEY,LLA 007-83,Bk,35,Pg.205,REM/8304119003 AND THE NORTHERLY UNE OF A 50 FOOT STRIP OF LAND DEEDED W AUDITOR'S FILE N0.6471625; LOCKED LID I I F4 A /---- 6'MAP il' 0,,,0 Ls R-3: 1983 OYLER SURVEY,LLA 015-83,Bk.37,Pg,1y0,RECy 8309299002 J O' 1",' 0 ry R-4: 1983 D.E.A.SURVEY,Bk,B9,Pg.248,REC#9210149004 THENCE NORTH 3215'58'EAST ALONG SAID WESTERLY UNE 216,08 FEET TO THE TRUE POINT OF I' /// I pRcgL4 z 7 net i/Jy BEtlNNWG;THENCE SOUTH ST44'02'EAST 110.00 FEET TO THE WESTERLY YARON OF SAID Q A THE LOCATION AND DESCRIPTION OF ALL SURVEY MARKRRS AND TOPOGRAPHY HARRNGTON PLACE NORTHEAST;THENCE SOUTH 3215'58'WEST ALONG SAID MARGN 187.69 FEET TO4,/( \ SHOWN HEREON ARE BASED ON FIELD OBSERVATIONS TAKEN IN DECEMBER 2014 THE SOUTH LINE OF RENTON LOT LINE ADJUSTMENT ND.LLA 7-8J.RECORDED UNDER RECORDING ND. I AND JANUARY 2015,UNLESS OTHERWISE INDICATED. 3304119003 AND THE TERMINUS OF SAD UNE 1 N• , III' WORK PERFORMED IN CONJUNCTION WITH THIS SURVEY UTILIZED THE FOLLOWING PARCEL B: o THAT PORTION OF TRACT 468,CORRECTED PLAT OF RENTON HIGHLANDS NO.2.ACCORDING TO THE 1, pb EOUIPA N AND PROCEDURES: (A)LEICASPECIFICATIONSELECTRONIC TOTAL STATION, VOLUME 3, MAINTAINED TO THE MANUFACTURER'S SPECIFICATIONS PER W,AC,332-130-100, T THEREOF RECORDED NTY,WASHINGTON, NING NORTH 5EASTERLY OF A U7OFPLATS. NE:COMMENCINGTHROUGHWOAIT THE98.I NTEASECDWINCLUSIVE.IN KING v \ q-- Y / J -e\ \ AAAYYY/// i/ B)33 FIELD TRAVERSE,EXCEEDING REQUIREMENTS-SET FORTH IN W.A.C.CB RIM=34866 fa' 2 O6. y 0L NF 332-130-090. NORTIIYA:SILNLY UNE OF SAID TRACT 460 W17H THE NORTHERLY MARGIN OF THAT CERTAIN 50.00 FOOT IE12'(N-()-34206 I I p I DBL C.Y 0 0 i (! Rc C E 8'E=3427 I\ J / // 0 a 7f '• \P A 1 3 CODE STRIP OF LAND CONVEYED TO THE CITY OF RENTON FOR STREET PURPOSES BY DEED RECORDED THIS SURVEY DRAWING PRESENTS SURFACE FEATURES LOCATED DURING THE UNDER RECORDING NUMBER 6471525;THENCE NORM 3159'S3'EAST,ALONG SAID NORTHNEaIutLY I I d \ / KEN OY1ER SURVEY COURSE OF THIS SURVEY. UNDERGROUND UTILITIES SHOWN HEREON(IF ANY)ARE UNE OF TRACT 468.216.08 FEET TO THE TRUE PONT OF BEGNNING OF THE HEREIN DESCRIBED UNE; I \ Ei I I 1 g Nam' v_-sel! g 9 My / / / BK 31 PC 735 SEPT.19811 BASED SOLELY UPON INFORMATION PROVIDED BY OTHERS AND BENCHMARK THENCE SOUTH Se'W'OT EAST 135.00 FEET TO THE CENTERLINE OF SAID VACATED 12TH PLACE YD RW=345LID 1 I : 'e„ I I 1 I 1 Dpi' / / .\ SURVEYING LLC DOES NOT ACCEPT RESPONSIBILITY OR ASSUME UABWTY FOR THE (HARRINGTOJ PLACE NORTHEAST)AND 7NE TERMINUS OF SAID DESCRIBED UNE;TOGETHER WITH THAT LOCKED LID 4>Pn I l I--- A REC. 8204219OU.T(R-1) j, I I a. \ cW ACCURACY OR COMPLETENESS. PORTION OF THE NORTHWESTERLY HALF OF VACATED HARRINGTOI PLACE NCRNiEAST(12TN PLACE)AS 1 &- J 9..,..,:.. 1 VACATED UNDER ORDINANCE NO.2553 OF THE CITY OF RENTON,RECORDED UNDER RECORDING NUMBERIWIIe\ CONTRACTOR/ENGINEERS/OWNERS/ARCHITECTS AND ALL OTHERS SHALL VERIFY 6647013 ADJONBNG TRACT 46B W SAID PLAT,LYING NORTH OF THE FOLOWING DESCRIBED UNE 1-.-_ —- C7/'' /I ./ I S 1 r_ l J C' - / EXACT SIZE AND LOCATION PRIOR TO CONSTRUCTION. 664 013 AD AT THE SOUTHWEST ONE OF LOT G O BLOCK 46 OF SAID PLAT; FOOTTHENCE SOUTHI03'35'47'WEST ALONG THE EAST UNE OF HARRINGTON AVENUE NORTHEAST,25.08 FEET TO TiffI1 I I I/ axe'/ 0 / CALL FOR LOCATE UTILITY LOCATION SERVICE: 1-80¢4T4-SEES. W7ERSECDON OF THE CENTERLINE OF A 50 FOOT STRIP OF LAND CONVEYED TO THE Ott OF RENTON I 1 0 // /'09-23N-05E I 71 -r'` BY DEED RECIXDED UNDER RECORDING NUk1BER 64716%;THENCE CONTINUING SOU1X 0335'47'WEST I I I 'yAA- CHRY /// y WU C SURVEY NOTE 0.50 FEET TO THE TRUE POINT OU BEGNNING THENCE SOUTH 8634'36'FAST 200.80 FEET TO TILE I P A C\\• °DEC •// - I per' 1- '// ' 2 ME CORRECTD PLAT OF RENTON HIOFLWDS Na 2 CEHTEFNNE OF VACATED HARRINCTON PLATE NORTHEAST(12TIi PLACE)AND THE TERMINUS OF SAID FFF--- Ap t UNE;EXCEPT THOSE PORTIONS OF SAID TRACT 468 AND HARWNGTON PLACE NORTHEAST LYING WITHINIQr.° J' T I SOME D<ME ROAD NGNYENi(£OIEITRY CLOSED YAIKFMATICALLY LtlJi NRNALLY EVEIRT d1EN51 WJVACATEDR-O-W ORD.255J fD' THE FOLLOWINGT OS PORT TRACT:COI)TRACT AT THE INTERSECTION OF THE RTHEAST UNE Of SND 1 ! ®` 31. 1 0 //'' ANO BEARING NOIID W 7NE PUT N[IDED DOSE APON AS 7M 'CORRECTEI)PLAT'APPEARSiwn ( ®I O. 1 / // IN LACCEPTED TACKS / // NBE NLL of(RDSS ERRORS.7MA GNITU E OF imEtAli::::NAOEB1OHASBI. VIRTUALLY NONE OF TILE LO75TRACT 46B WITH THE D RTRECOR UNE O THAT 5o F00T VOL OF LAND D®ED S. THE Ott OU_, Ili"...CDnROL N IFAD PINGS(R-i) / , / WASTE AS 2 yFEET.THCA IT AID TIE MAGNILIDE OF OUND RAT BLEW FAOI 1 FOOT TO AS MUW RENTON AND Fl AS UNDER RECORDING NUMBER 647162E IN VOLUME 5201 OU DEEDS,PACE .UR17.NI1// 114 / 0r/ VAUL® AS 125 FEET"TIE CRY HAS HISTORICALLY AG RYOMIYWT DIE OJRS ON ION CARDS' KING COUNTY, OINT OFTON;THENCE NORTH 3215'S8-EAST ALONG SAID WESTERLY UNE 216AB FEET I M ICH NEIE RENEWED,SEARCHED FOR W THE FETFD INTO NE SURVEY'AKRE FOUND,MOST TO THE TRUE PONT OF BEGNNING;THENCE SOUTH 57'44.02'EAST 110.00 FEET TO THE WESTERLYiOF7H11LIVEBEDDFSROIDRYVAIWSCWPROEC$SOME iR WBL AND WINE HOLD MARGIN OFSAD VACATEDHARRINGTONPUCEN.ETHENCESOUTH32T5'S8'WESTALONGSA DII _I • I i' Y O / T AND A FEW OTHERS WERE SEVERAL FEET OFF OFURVEY DATA,HISTORIC SURVFS ANO ygBON 187.69 FEET TO THE SOUTH UNE OFCtt OF RENTON LOT UNE ADJUSTMENT NUMBER LLA I I REMAINING COIOJER YONWFNIS WERE UIUIID FNDARY OP SUNSET COURT ALONG MTH 007-83 AND FILED UNDER RECORDING NUMBER 8304119003,N KINGCOUNTY.WASIWGTON:TIWBCE 1 PRIOR LOT LINE PER LLA034'35 ( R-1) FOB BLODIYOF90NSSOUTH 8674'36'EAST ALONG SMD SOU H LINE 6.0.3 FEET:DENCENO TH 3124'45'EAST 186.09OYW-NRRSPAS // FOR GN B41.THE 2 REMNMNG BOLT YONYENNNOOD AVEMII DISAGREE WITH FLAT ROADN8634'35'W 17 _r pm m _ 810' N'G 0sA'b ( 1?-1.). A, POSITION BY ABOUT 4,7 FEET AND MERE HELD FOR CENTERLINE ALOPNENT AND NOT-TANGENT PONT FEET;THENCE NORTH 5824'13•WEST 110.21 FEET:THENCE NORTH 3056'11'EAST 99,11 FEET TO THE I yTy mGRAmr ,mimmi mmmm _ y„a -- - —. —.---___ '` 7 9/20 .0 OF CURVATURE TO THE SOUTH,LOT CORNER MONUMENTS FOUND WERE GDERALLY HELD ALONG WTI NORTHWESTERLY CORNER OF SAID TRACT 468;THENCE SOUTH 3215'SR•NEST ALONG THE WESTERLY SSJH RM=34572I I n 7 m N""n " m 2252' a"' ENS UNE OF SAD TRACT 99.09 FEET TO THE TRUE POINT IX BEGINNING. IE 8'E=3311 I.I7pJO a L;' 1S'YS/'' , R, 7PLATTED BIPROWNEPTSG W CLOSURES O11SE TO PUT DNEN9 AND MATCHING EARLY Wfl1 E 8'N-S=3329 E W7 ' 20016, a I,, 1L,d, 7 n z 5CO y' 4 F'. - DE 1 FOR THESE REASONS IT WOULD DUAWLT IF NOT IFP059BLE FOR ANY TWO SURVEYS TO AGREE NTH PARCEL Cr FIND 1 2'R®AR&CAP Y°YYfi» ,y ,AA---- r O y/ S EACH OTHER BOUNDARY UNE AGREEMENTS,POSSIBLY W ME FORM O LOT UNE ADJUSOENTS SHOULD LOT 19 IN BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO.2,AN ADDITION TO THE Ott OF v 4p BE CONSIDERED BETWEEN THE PROECT APFAS AND ARAWNG NETGHo0R5 TO RESOLVE ANY FUTURE RENTOL,ACCORDING 70 THE PUT RECORDED IN VOLUME 57 OF PUTS,PAGES 92 TO 98.INCLUSIVE,STAMPED'OYLER lS 5524I 1_Y, AT UA-003-82 POSTKINi 1-.. \ GRAPHIC SCALE D'`" RECORDS OF COUNTY OF KING,WASHNGTOI. d VACATED R-o-w aRD.255T m ems p`I as'NORTH of PROP. 1 zo 0 10 zo LOT CLOSING ERRORS PARCEL D ca U PP''d @ q6 "' (R-1) F1EV.346.T2 1 HAR TON V{NE S \' i - / rH LOT 20 IN BLOCK 46 OF CORRECTED RAT OF RENTON.NIGHLANDS N0,2,AN'ADDMON TO THE OTY ss E OL C M.-ss ss \ \ 1? PUT CLOSURE CALCULATIONS UTUZING BEARINGS AND DISTANCES FROM RECORD PUT. OF RENTON,ACCORDING TO THE PU7 RECORDED W VOWME 57 OF PUTS,PAGES 92 TO 98. 30' - 11111 RLE/6 77, ,, f 3T27 Q' S.v INCLUSIVE.RECORDS OF COUNTY OF KING,WASHINGTON. 32 ALUM.RUG NOT FND.(R-1) \ \ / I IN FEET) S'! S BLOCK 46; OU=3.87' r 1 I.\ ...- i SET NAOMIL ALUM WAGER \1 _-_ -_. .. : SSW NE-W=36.I L LAT'ro FEB ® 1 ZOi If 1 inch m 20 ft. A LOT 20=ERROR•5.7Y IN CONC.FOOTING IE 8'NE-W=336.13 ADDED ADDITIONAL TOPE, NOTES, ADDED SHEET 2 FOR THE NODE SITE 1/15/2015 DATE 1/08/2015 BOUNDARY&TOPOGRAPHIC SURVEY , aPROJECTNO, CAD/CALC JD BENCHMARK SURVEYING LLC LAST REVISED 8/20/2015 l L _ I ADDED TITLE REPORT LEGAL DESCRIPTION AND SEWER EASEMENT 1/2D/2015 FOR U.'_ F2HA-2Q14.01 DRAWN XXX ADDED SURVEY DATA FOR PARCELS 722780-1665 &722780-1780 - 8/14/2015 1 7E9E7FET T WA98208 RIVE SE 61 K RKJAND,WA 803 SUNSET COURT TOWNHOMES SURVEY TEAM JD/HOBO RENTON HOUSING AUTHORITY pL,,-..:`NG •;-.-'Ii. XXX ADDED NEW TITLE REPORT LEGAL REVISION DESCRIPTIONS 8D/A2 201E p.206.396.6252 P.206-396.3199 TE FIELD BOOK RRSHEEP_ 1 OF PORTION OF: NW i/4,NW 1/4,SECTION 09,T.23 N.,R.05 E..W.M. 10' SEWER 2 MPE IP "' w RSEcnaN oN. EASEMENT GLENNWOOD AVE NE T "E°5`°""' s' J/' w°"BAR s= STORM 4(1/ SET IMIONAIL ASHER OS NE OF CORNER SET SM.MAONAIL W/ SSMM RRA 4:.: - 6/0}/2015 DISTURBED BY CONST.) DRAIN BRASS WASHER IN LOT LINE ROW LINE 6" STORM rE e•N-s=J3se I Low Rao FENCE Or, DRAIN VIF6•E=335•• w - i 0 ss —, i%ii .' CB RIM=35027 A / 9/' s i i TIMAir- IE 12"SW-NE=345.5 _ SDMN RIM=350.72 4i' 4 \ FD I. I•I/. r r %''1. IE IYSW=345.5+/ 6ORM I' I 1/Y RmAR / I MI I %' %f<</ // D/ACCEP m 1/2': 35069 E I2'NE=J4519 . 16 D 6 fLiJ i 1J. t.Gi_ 1 ':. LDRNER,.' - p ti % INLET WM 350 FOUND J/B•REBAR I r.IE 6'NW=349.J F t 1 I I 0.,9'NORTH OF CORNER O 9'i' FNO. ROUNDWI1L- _ 1: : 7°R-3&R 4)ED:V=349.49 `, r / READ BOLT 4 t IL •l 'I tt7Y PROF SED BUIL[ Is n t N a 1 om: /• 4f'a 9;` / Of(I - I riii..y \\ QS IICa 4 tiyo'I Ili tl, (, 1—`_ 'eSET TO CCO A• R I L WJ 4 w__\_/ ,,t—trie. _Eli_ of 1 0 f t/ I i W I _D'61W0---I 3 \' AYPEO'OT ER S5524'70 3L q3 _R-J)ELE;.-34&6O 6" ST Mn _ O d,°j 7J l—`DRAIN / / TS, I I= A.- I II r. r i- r, i/ Il / I i ,.-/\I/ 6" STORM i WOE - j L i/ 1 1 j iDRAIN I 3 Mlle: 6 i 7y P SSMH RM=352754 1. j//• /,tI/. // t -'•••/ p/.. 11:: y IEw=saa4slial i `, '-‘4,If 41:',;( //':•, 0 / / . 4* _. A V*- el) 6" STORM I \3 i/ • fol. DRAIN I I jyt_iI / o/ m it 8" STORM DRAIN ' `!.., I / / IL.I-` 1 0il' I.' UNLESS NOTED / 411 OTHERWISE (TYP)I, I 1 J(h- fir A DC, P „ r% I \ 24.2' v / Y,\.•mAR k cAP sTaA1Pm l OY ER LS 5524'(R-3) Q\/ B' In IK' \\ 6" STORM 7r,* EFV.=349.60 DRAIN I g 1 0 I IIIIIa ',IL:__._.1_ i_ :jr ___, -•::•,.....7 • , ...b ; O ' ra-:\ I II 1' 4/ 6` ye III : \ r' mg,ll I v i3,- '/ mom — V 1 vv"O OQ 20' 10' 0 20.40' S \ I ii s • Q 6" STORM ' AiIQ7, 1 4rTAL PARC DRAIN Scale In Feet I "'- i // W 9 S0. ro RM=346.6JII in N l t/ LOCKED LID- `-/ 7.I i //1/f I6•MaP I. I i W f' i/ 7 6>• o LL 11 , ii/ NTooRm ', . tli-= '% 0 j; LEGEND I\ y! Q. PROPERTY LINE CB RIM=348 66 Int1 1• r 'I /-' ra j E,2'(x-s)=J4zo6 I L \ Q TREE PROTECTION O lE B•(E)=342.7Iil' I W Y j'/ I i STORM DRAIN LINE Q LocEm uD 7 L T i t,' - j\Q l• CATCH BASINV I CL I .. _ i i i ;/ '// Q` AREA DRAIN owl is i STORM DRAIN CLEANOUT 6" STORM DRAIN c, Itl!, IhIm" g QQ PIPE FLOW DIRECTION Imo— I _ a o Ar SSMH-WASTE Wimmi. IIIt n\ 1;- ma Ai,' CREASE VAULT BIOREfENTION PLANTER WITHiiluNNI/ _r I` UNDERDRAIN MI I--I; _ LU CC CONNECT TO EX SD1111 L . I i«.c•«o.^..«,% FND.RR SPIKE 3 SSVE B'E 34572I I I N663435'W 200.62' t. i 2G'%20'%4.rJ' r 1 T DETENTION VAULT E ® vi IE e"N-S-332. I I coR Lu-o07-aT j 1190 CF STORAGE)12 STORM (200.62'cuc 20060'R-3 TO c 344---FND.i/2"REBAR k CAP L)- J I -- STAMPED"06ER LS 5524 DRAIN 1 AT LLA-003-82 P09TION 0.5'NORTH OF PROP.CDR' w i PLEASE'OIL 811 W R-, ELEY==346.22 u S ) s Ta 3`Working Days P a. ' NOT FOR CONSTRUCTION BEFORE YOU DIG N r A %% p•„ AS NOTED ' "' w""'^° B1 n CITY OF RHA SUNSET TERRACE 01/19/2016 EMS 0ll\fir aM SUNSET COURT TOWNHOMES q•S v\ 120S SECOND AVE.SUITE DES Malt, In I R E N TON RENTON,WA ice. N ^STARMM.WA ono, DATUM E 4 x.. r:a+".r4 acme I I 1 Planning/Building/Public Works Dept. DRAT{PLAN a n, is E 2 r oom ND. REVISION . BY DATE APPRIF NOT ORE MN q"" ` L° f 4•k IL°-Yc mow.. E U sC 1 3 4 5 a NEIGHBORHOOD DETAIL MAP LEGEND ZONING LEGEND C-4 EXISTING BUILDINGS \\\\\(\( ICV)CENTER VILLAGE schemata PROPOSED BUILDINGS C X (R-14)RESIDENTIAL 14 DU/AC w o r k s h o p PROPERTY LINES IRM-FI RESIDENTIAL MULTI-FAMILY architect D D Schemata Workshop,Inc. SITE BOUNDARY LINE 112 5th Ave N Seattle,WA 98109 CONTACT:Grace Kim,AIA v 1206)285.1589 e grace@schemataworkshop.com NE 12TH5T—NE1ZTHST---- owner T Renton Housing Authority t z \ E 10th St Renton,oln WA 98056 wN--z \,.,INIt CONTACT:Mark Gropper N j vie moo= oi:4A _ V z- i r i i ego I GLENNWOOD AVE NE o w i3%I1i1 i G s ,_ ma y, r 1 \„A.NF N+' Court 1 >! SITE, `, • 4 1 drip t -**4 1 ,. N , r t o 1144 1156 Harrington Ave NE e' Z rtit. 1 Renton,WA 98056 41, PRINT DATE 1/20/201610:37:37 AM 1 v O`N g I :•soot REGISTERED 1 k_ -,w% \ ,A .• ,__L. 4., , PROJECT ISSUE DATESN ‹,, d \ I NOVEMBER25,2015 SCHEMATIC DESIGN lGo Z r1 JANUARY 20,2016 SITE PLAN REVIEW ti I 1 AVFNf 1 i' J? y y 2 , N VD. FEB ® I 2016 s' fir, r^^r.---'" t%' 0:7:-\fV , ,.,4 1 \ l \ \ / \ I\N1\DI Author MK RS Checker.CP A Y_ A 0' 20' 40' 80' 160' 320' NEIGHBORHOOD NEIGHBORHOOD DETAIL MAP DETAIL MAP Ai 1' 100'0' I ) ORIGINAL SHEET SIZE:22x34) a AOO1 1 2 3 4 5 Copyright Schemata Workshop,Inc. Sunset Terrace Master Site Plan 1 T w 1112T-H-AVE N-E v irtflII1 s I ; iNIL I li I1____. iii ,, . _,Aiiiip„.Illt ' 1 0 e : _I 4/ 411,,, ., .. 7) it is/ 18 n f 19 II: i ut 'f t i 14 /// r It 1. 1 1• 4:9/C1i N N, N\01 . N. i''' 1 41 rr ' IP. 1, \, + ''' N r, 0,,,,, 0,,, A: 6' il Iri. ii .1. - ii i j, 409.77,p70:tfvf/ C 11 — ill•;era z1.(/ a •41° i sit (9'4.•:\ 1 ,...../•-• ,--.....X.,<:,stN , . A 7 Niro 1(,‘, 1--- 04,, ...47 07 r Y. lb. '.-,.-.. 14--' , . 1 - -, -".''.4-':-W.st. -.1k ' ,4 i. •••- V94.1 N% , i‘.. ... .eii / D 2..,-. -,,.• : -., '`,10%;e- /, a 0 0 fi, .o.- ,... , .... I. ,r,,‘ 6/7 V t\•t. ,. i aO" 1' S ti 10 . ,,.I\ //• . in \‘°\\\. t"1: 1,, p%‘°% 4:%: V. 1/4k 1'*" l'‘ U,......e) .r.144. 'If (/ A * ---1 . vt _.., 6,0; c#t i t 7/8 i f i TKEY 4.1 •• ;r" RESIDENTIAL I i .111111161. 1 0 COMMUNITY SITE AREA i Ir lam• L I 0' 100' 200' 400' N 40, RENTON SUNSET AREA MSP DECEMBER 08, 2015 1 3 4 5 I IE)1-STORY DUPLEX E)3-STORY MULTI-FAMILY BUILDING 3 11 PARCEL NOJ72278D-1660 schematalElGRAVELDRIVEWAY722780-1fi65 722780-1780 5" E)"3-STORY MULTI-FAMILY BUILDING 722780-1781 workshop FQ E)SIDEWALK BUILDING GSF architect D GLENNWOOD AVE NE"" ki BUILDING 1-LEVEL 1 2,977SF _ D Schemata Workshop,Inc. 50 R.O.W E)PAVEMENT VACATED R.O.W. E)GATE BUILDING 2- LEVEL 2 3,Ofi0 SF 112 5th Ave N co- BUILDING 2-LEVEL 1 2,974 SF Seattle,WA 98109 R.O.W. 273'-6 27/128' 9 Kim,AIA Q BUILDING2-LEVEL2 3060SF CONTACT:GraceK' DEDICATION F/ p4` BUILDNG3-LEVELI 5,BB6SF v206)285.158 ry, _ BUILDING 3-LEVEL 2 5 887 SFF•r0eaceC?schemataw rksho omocLO' A Pfss4AllirYL,,'"!s',•,5 ;';jS';''tS;.%'S;'%';,;j:N'•,'Y!.',' ; '•;',',':;;;SSY S;":;::,'•';; t^;.; ll;t;;:;;;?"i;,'•C%;:;,%: Qom" I -LEV 4 ter-' ',,;, .,,,. BUILD NG 3 EL 3 3 65 SF SIDEWALK BUILDING 4433312 LEVEL 1 fi 935 SF r;^'??`..;,^ ownerIIBULONG4-LEVEL2 6791SF BUILDING 9 l B Renton HousingAuthority B 47,589 SF 2900 NE 10thSt z7. T' - —a r Renton,WA 98056 i_ i I I i I';';','"','';' I 1ii ,r =i.,.mi 1 I CONTACT:Mark Cropper r i 1 4 r.'' '` '';-r r4 v(425)226.1850 y r` '11Ir ', r BUILDING4r— vilIOW . i a i 47 gig i xrum-Ta I L I_ J \ I IL iti,, s„,,i:,.:.qi,i-.. ..:ji:E/A:'.• CURB CUT Q_ 1_. \. _ \ PARKING ACCESS UNIT COUNT BUILDINGI BEDROOMS 1 d1513- IP 1 Il:i T-BUILDING 2' (5)3-BEDROOMS1UG531FII60SI SIDEWAL K TRASH/RECYCLINGCIL 11 C BUILDING3: 12 2-BEDR M00 SBICYCLEPARKINGf1 4 3 BEDR MiD2•' I I 00 SBUILDINGUILING1- 20TOTALI 1.RHA Sunset vV 9' 5 BUILDING 4: (12)1-BEDROOMS f;..,.,3j;?' • 1612-BEDROOMS Court 4)3-BEDROOMS Q 50UNITSTOTAL 1. Y MIIIIsl rr Apartments 5 i r. CONSTRUCTIONTYPEj.P.:::::::::.::., Fri TYPEVB SPRINKLERr. `` 1144-1156 Harrington Ave NEg SID.rTEWA:l'Ki.;_,.'..•. CO 5 i Renton,WA 98056 A i USE OCCUPANCY 5 NMULTI-FAMILY HOU SINGousGwBUILDING3 PRIM DATE 1 0201611:51:1 Ai4. wr, 5 5 R-2 OCCUPANCY 2/6 M Wlit ' .- - — — — — • —'•.•-•-.'JP' 4. B Q 6. • clsm:En ii;i:i.ii,-„i:. ',:i',.`..::':'L4.:->J'r B ARCHITECT I o f B U ILD ING 2 5 a STAT E OFWwSL G ONs 0s or Q. SPEED TA BLE, PIETY O5 PROJECTI E AT2 4111p$ Q'ISSUE DATES w V i N VEMBER 102520 5 SCHE MATICEM N15ATICDESIGN///` 1. \ IC V JANUARY20,2016 SITE PLAN REVIEWs! imaw , 5 P1611-• T —1 r 5% 1„„:.„;i _______..1,....._ ,1§ I ti.-itill D r., 1508 Author:MK R l"r E)1-STORY COMMERCIAL BUILDING•R Checker:CP Unly TRASH/RECYCLING 4 L_d' (! A A 11, In FEB 0 ' 2016 SITE PLAN a>c':>- >ORIGINALL SHEET SIZE 22x341 200- 7 117/256' A002 a I E)CARPORT CDA, SITE PLAN-GROUND LEVEL 1'=20'-0' 1 3 4 52 Copyright Schemata Workshop,Inc. I---"- sok 2 MPE IP ,!:.! i INiSECOON ON 7f:.WST; FOUND 3/4'IROV BAR GLENNWOOD AVE NE _-2., 'SET MAG.H/VI. *ASHER OS NE OF CORNER SET SM.I/AGUES ••4 8/03/2015 D/STURBED BY MST.) 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R.\* y:,. i...i...t.'*;i•1l: lii4,ii,i'i4iii.ii. g#/i. 1giIg•iiii'iiYii.i•i. igii.; ii:.ei5..ig.i,li. I: iii-giifi.iii.ig::fi:(iirl4A:l fW. VU' 4 1) ii0 1. zi. 4ii4t0aZ)'•': Ii'.,:lV*i:f0fL.:e, t'k'" q: rl_ i.ik- Iff„i'in- s„•- ASgt- c-4Ek_01- 2 w._ 41`\,;'-:.-.',:." /,.: ;sL/EG/E/N I aim, te. Er, . . / ' 43„:;7.,,/,......._sr 42'.•.•.- , 44*-\\e,::..„:. ••••., 4,14 // _‘______ PROPERTY LINE s ii g.741 1 .--_,--,-,:; 4---- I i iligiiiiiihigi ,viiviiN, k - - - • 11111P!".•:-.'91,',"."_;hr7y-:•-• / ii,,,,,,,....„.„4.-::,,,,,,,, I;,40: 4: 4,.,\: N40:....47.....,A: I w..., ip. 740...• 0:i,zJai,dr TREE PROTECTION I1 \ I 1 ,.,„.. ,Alb& •• - -0.-..ims......--:-:-:. /,„:"At,„/„-/--/. :-- ../ i_ a i Atviat.:0 i=igiiiikeingiligiii*NY \"-:-;- k ---,---,-, 4 : :::7-= ------ ..".:: 4' wi , itsp77,,,,,"..mawiiiiii41 ,., :c::::::::::: ito.....,/. ..... . ,..... 4... , 0 ......... :.-*0 Ar -t. if-----' rw, R -0' BETULA JACQUEMONTII - JACQUEMONTII BIRCH 2.5" CAL. 13 I ILA il / ,indlil;i4,”:','4..-- 2.--4.2. i- •-..------.--:-.:. "..".....-:./.--...;!/2.1!:--..-: 4rP,,ilitI? l'''''•,:iiiiiir. 7•1'-'.'.•21. 4ilt ,_4111tittiW,,.';;;- il - •E s'.- • PI NUS CONTORTA V. CONTORTA - SHORE PINEELEV..3 5 I Lie. \\ op ------i*i_ Aiiiii,::- ::::;#::: ./0 ,. sitlitifi,.'-g mmig : :?iFST.Ar.c:-:-:-:•:;,,l-Z-:-:-. •-•I 44f,‘..,_ i I Ito i„,0.),5, „, :w ::.::-:,..„.„::.„.,,:-„,,,- :.::,:,:- .../..; , ..::...::„-, 4,,, , 4,--iii It) f , k.' i•C lit r w Il 44,.......,,,,...A:-..2.4'..F,tittp,. ACER CIRCINATUM 'PACIFIC FIRE'T VINE MAPLE MULTISTEM 3" CAL. 31 TR94-346„1 tillial i -qH '';' :71 IR.'1.1411M ' ::::::::::::-AV::- '..- i.: --'\ 40411011, f 44 1 :gg::51 al 1 il - g - quo :.:.:.:_:_-_,..-._.,:, ./_:-. 06.41AR •''' " ftlxv,, 4194 41 r.„.,z„.:,FRONT OF HOUSE PLANT MIX 30" O.C. 10,260 SF 1650I- g 11! 1 i'l'' % il ''.. CI pp :-:-: . 4%-..; .- „. 4/4k11:7441Nkt, I raglingi.liggiaigil BACK OF HOUSE PLANT MIX' 30 0.C. 1 1,200 SF 1 800 I I"II: • gl 112 - :ii :-:-:-:-.Ai--:ill-- „.I,.._,:-- I..„,,rf. .....,• I‘10,..4 f,&11,W; -4. 0 LL ,.. le I ,, -:-:--.-/- 4-:/ y."-...,/ --: 7/ 1.'"'/ R4 ir ti7.4-. 1%16,.,---- w,;:..'',.,* SERMIES BIORETENTION PLANT MIX 24" O.C. 3,300 SF 830 .PO _1 4111111..F0,glial:' a- 5iil'' '-•.-/. 'f' * 1 Z . .ja,IS 01Ivo/ CB R61=348.66 A, MD'. :I' •. i :::/1.'7, ..•'..,,,, \ ‘,.. Kip lip,A,..,A1k7 o , FINE LAWN 7,000 SF 0IE121N-S)4342.06 1 liej,..„?:.7a.P4"3-_,_ P, / -.•.,-,;.• eri.i ii.gi;'i,..,.. I, .. 1, (at& .9) .„, 4Riitb 4 ,01.13;,-.7 .'c''' OP.%•IE 8104342.7 1 )Ili / --7"7-/ .1*41,..:4Piiiiii:,••-.. 1/2 '1 ,... 1'.'' .'iliiiiiFilliiiii&L ;;;;4-',4,•,. 7 \ :4441••;•$::::':7 \40...\ e-- •-/ LOCKED iro .. vv/,, MINIMUM TREE DENSITYlot; _-- fiiiiia Iiio.ib!-------r7 - ib.;Zllik7/ 1„ \ .„, f,7,„__, gRiiiiiiii 4 illi1Ii ' Ilkt'reigVh,,,t...,:_:f;,.2111/14/ .1w. I c , 001 IF-i 1 I -, natimoug-.,-rkAw.;;,..-.. ..-___.AIR I\ 1( 5•' N.,,,.N.N....' kt.:,:,,•::::,...., in. FLID/APD TACK,S ICArk...11.,87.1 N ikp f S•.,-.. f/ itr4 CI*,.. ....yAlp,,..,„....!1.F., seot4, 6N . 114 2 matamsEle - ,( 4, ,, SSMH-WASTE SE VAULT TOTAL LOT SIZE 83,800 SF MIN SIGNIFICANT TREES REQUIRED NEW TREES RETAINED TREES 0_- 1 CL 1 RED OAK - 20 CAL. IN. 43 REQUIRED 1 RED OAK - 7 CAL. IN. 1 PIN OAK - 15 CAL. IN. LL1 49 A.1:11,DitD,TO 1 D1 oPuIGNLAOsAKFIF _2035CA16.A1IN.IN. Lii> • 64IgIIilOR; iltallirES•Egi::$8:`PAMiteg.45#-55;;S:i..e•TJ•54. ,;•;•;-;sn_- .•-,--,__,-_.__ ___.__ ____IgrAllik MORA401:10:1=1.4**Z--.15 ?r ° 7 r."4-7.:P;„/'t-n 1 DOUGLAS FIR - 30 CAL IN. cc7.1573-5.;Wfig.:::1-a:381Wezikgniz::::01:3*-.3:3rAgsjcsgtigerstagi;girg.,;:ioN6t- ii.:EfstrEi.;;• 1 '- --'-- 2 -`2:±•14-4AY-vx'-' 4,*F.S5E;..r,i,p.::..0 ek:4:::::.KiK:kikPASkc AkrktV.A$L1 n$k::::fillc0:::::It iL'.;:-:•••-x$I6:::-.7., boW) D.Ks SPIKE , Now 11'A.A..--'14---4-'1--E ••• L--,-•••,•=.' Z 1 MIJEEmEr 2.-L-rf-,=.,--.. --...,,---':•--__-"M-•,----21. -r.. .:tia.R.Z.7,17,..::ifil:h22::::::;$1.,77:::;.F.::::t7 1SSWI1r!..1•-'34,5. 1 i A I r r 1Z-5067•' 200.62' ---- litiar----- -----------2 .-..... FEB 0 1 2016 -0 200.62•CALC 200 BO'R-3 TO O/L)...v,--CL1V22 , DID.1/2.REBAR&CAP L r' r's'-'1.'C'' 1-.N1 PLEASE CALL 811 w'E STAMPED'OYLER LS 5524'4U AT LLA-003-82 POSITION 1 • 1 1'E,' . 'QS ' 0.5.NORTH OF PROP.COFL 1. i..- `,.1%._.1..-.t-- R-1) ELEV.,345 22 u, ' i \3 Working Days 55 s \ \ i-- I)1- :\'.11\:( DNiSION BEFORE YOU DIG Cl).v.,, NOT FOR CONSTRUCTIONR..- STATE OF 6 I WASHNIGTON' 9.V.01. REGISTERED ml-.r AB As NOTED XXX SOO. 15,110/:MVO WM..., RHA SUNSET TERRACE 01/19/2016 i MOW@ LIM CITY OF SUNSET COURT TOWNHOMES ouLECOIOLANDSCAPEARCHTECT RENTON RENTON,WALIOSSECONDAVEMATE200JADATUM1MATRANANMIIC.'''''' I I..... Planning/Building/Public Works Dept.LANDSCAPE PLAN,CONCEPTUAL Li.11Ti. MARGARET ROSE EITAIEPEJ CERIFICAlE NO.450 PB rSCA NO:OFTML NIIIIA0A/OC REVIEWER P .1206.22.0L2S NO. REVISION BY DATE APPR 4...4., LE I, Attachment A Cultural! Resource Consultants, Inc. TECHNICAL MEMO 1507F-3 DATE: October 23, 2015 TO:. Kevin Gifford Berk Consulting FROM: Glenn Hartmann,Prjincipal Investigator RE: Cultural Resources Assessment for the Sunset Court Apartments Project,Renton, WA The attached short report form constitutes our amended final report for the above referenced project. The only change to the earlier version is the addition of four revised historic property inventory forms(Attachment C). Assessment did not identify archaeological resources that could be affected by this project. There are four structures built over 50 years ago located on the subject parcels;however,these do not meet minimum criteria for eligibility for state or national historic register eligibility. Historic inventory forms for the structures and an inadvertent discovery plan'are attached. Please contact this office should you have any questions about our findings and/or recommendations. RECFIIVE1 FEB 01 2016 MI NTOii PLANNING DIVISION RECE VED RECEIVED F •r FEB 01 2016 MY Or- C EMTON P.L'M QON 197 PARFIrr WAY SW,SUITE 100 PLANNING DIVISION PLANN PO Box 10668,BAINBRIDGE ISLAND,WA 98110 INGDIVISION PHONE 206 855-9020 - info@crcwa.com CULTURAL RESOURCES REPORT COVER SHEET Author: James Schumacher Title of Report:Cultural Resources Assessment for the Sunset Court Apartments Project, Renton, WA Date of Report: October 23, 2015 County: King Section: 9 Township: 23 N Range: 5 E Quad: Mercer Island, WA Acres: < 2 PDF of report submitted (REQUIRED) IN Yes Historic Property Inventory Forms to be Approved Online? ® Yes n No Archaeological Site(s)/Isolate(s) Found or Amended? n Yes NI No TCP(s) found? n Yes NI No Replace a draft? n Yes NI No Satisfy a DAHP Archaeological Excavation Permit requirement? n Yes#RI No Were Human Remains Found? n Yes DAHP Case # NI No DAHP Archaeological Site#: Submission of PDFs is required. Please be sure that any PDF submitted to DAHP has its cover sheet, figures, graphics, appendices, attachments, correspondence, etc., compiled into one single PDF file. Please check that the PDF displays correctly when opened. Management Summary This report describes a cultural resources assessment of six tax parcels for the proposed Sunset Court Apartments in Renton, King County, Washington. The project is to construct a new mixed-income apartment complex as part of a redevelopment effort for the Renton Housing Authority's Sunset Terrace housing project. This assessment was developed to identify any previously'recorded archaeological or historic sites at the project location and evaluate the potential for the project to affect cultural resources.No previously recorded archaeological sites are located in or adjacent to the project boundary.Assessment did not identify significant potential for archaeological resources that could be affected by this project. Four-structures built over 50 years ago are located on four of the subject parcels, and were inventoried for inclusion on the Washington State Historic Preservation Office database. These buildings do not appear to meet eligibility criteria for state or national historic register eligibility. 1. Administrative Data Report Title: Cultural Resources Assessment for the Sunset Court Apartments Project, Seattle, Washington. \ Author: James Schumacher • r Report Date: October 23, 2015 Location: The project is located in a mixed urban residential/retail neighborhood in Renton, in Township 23 North,Range 5 East,'Section 9, Willamette Meridian(Figure 1). The subject property includes King County Tax Parcel numbers (and situs addresses) are: 722780-1660 1144 Harrington Avenue NE); 722780-1665 (1156 Glennwood Avenue NE);722780-1780 vacant lot on Harrington Place NE); and, 722780-1781 (City park on Harrington Place NE). Two adjacent"node"parcels included in this project are 722780-1315 (1062 Glennwood Avenue NE) and 722780-1290 (1081 Harrington Avenue NE). USGS 7.5' Topographic Map(s): Mercer-Island, WA Total Area Involved: Less than two acres. Objective (Research Design): This assessment was developed as a component of preconstruction environmental review with the goal of ensuring that no cultural resources are disturbed during construction of the proposed project by determining the potential for any as-yet unrecorded archaeological or historic sites within the project area. This project requires oversight from the U.S.Department of Housing and Urban Development. CRC's work was intended, in part,to assist in addressing federal agency responsibilities regarding the identification of potential impacts to archaeological and historic sites•in compliance with Section 106 of the National Historic Preservation Act(NHPA), as well as state laws and regulations protecting cultural resources (e.g., RCW 27.44, RCW 27.53). Under Section 106, agencies involved in a federal undertaking must take into account the undertaking's potential effects to historic properties (36 CFR 800.16(1)(1)). The Washington State Archaeological Sites and Resources Act. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project,,Renton, King County,WA Page 1 RCW 27.53)prohibits knowingly disturbing archaeological sites without a permif'from the Washington Department of Archaeology and Historic Preservation (DAHP), and the Indian Graves and Records Act(RCW 27.44)prohibits knowingly disturbing,Native American or historic graves. Assessment methods consisted of review of available project information, local environmental, cultural, and historical information, and records on file at DAHP, as well as field investigations. CRC also contacted cultural resources specialists with the Duwamish Tribe,the Muckleshoot Tribe, and the Snoqualmie Nation to inquire about project-related cultural information or concerns (Attachment B). This assessment utilized a research design that considered previous studies,the magnitude and nature of the project,the nature and extent of potential effects on historic properties, and the'likely nature and location of historic properties within the project area, as well as other applicable laws, standards, and guidelines(per 36CFR800.4 (b)(1)). National Register of Historic Places (NRHP) assessment criteria were developed by the National Park Service (NPS 1991). Cultural resources may qualify for NRHP listing if they: A. Are associated with events that have made a significant contribution to the broad patterns of our history; or B. Are associated with the lives of persons significant in our past; or C. Embody the distinctive characteristics of a type,period,or method of construction or that represent the work of a master, or that possess high artistic values, or that represent a significant and distinguishable entity whose components may lack individual distinction; or D. Have yielded, or may be likely to yield, information important in prehistory or history. Upon meeting eligibility criteria, a cultural resource will be termed a"historic property"under the NHPA. According to the NRHP guidelines,the "essential physical features" of a historic property must be intact for it to convey its significance, and the resource must retain its integrity, or"the ability of a property to convey its significance." The seven aspects of integrity are: Location(the place where the historic property was constructed or the place where the historic event occurred); Design(the combination of elements that create the form,plan, space, structure, and style of a property); Setting(the physical environment of a historic property); Materials(the physical elements that were combined or deposited during a particular period of time and in a particular pattern or configuration to form a historic property); Workmanship(the physical evidence of the crafts of a particular culture or people during any given period of history or prehistory); Feeling(a property's expression of the aesthetic or historic sense of'a particular period of time), and; Association (the direct link between an important historic event or person and a historic property). CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 2 n Criteria used for assessment of potential eligibility for the Washington Heritage Register are similar to NRHP criteria(OAHP n.d.). Criteria to qualify include: Age of at least 50 years. If newer,the resource should have documented exceptional significance. The resource should have a!high to medium level of integrity. The resource should have documented historical significance at the local or state level. In order to be recommended underiCriterion A of the NRHP;properties must have an important association with historical themes in the region in the;late nineteenth and early twentieth century. Such themes might include the development of timber,mining, hydroelectric or other industry; historic Native American,European-American, or other ethnic group settlement, homesteading, or farmsteading;transportation infrastructure; and recreation or tourism. Eligibility under Criterion B requires that the property have a documented association with a prominent individual important to local,regional, state or national history. The property must be associated with the individual's productive life; ownership alone is not sufficient for a recommendation. In order to be recommended eligible under Criterion C, a structure must embody the distinctive characteristics of a type,period, orlmethod of construction and have documented historic association. The distinctive physical characteristics of the construction method must be present and reflect their historic significane. Interiors should be considered in assessing the property's ability to convey its historic character. Individual buildings within a complex of associated structures may retain integrity and be individually eligible. Eligibility under Criterion D requires a documented historic association and integrity of location, in order to have the potential to yield important information pertaining to historic themes. Properties must demonstrate the likelihood that they contain unique archaeological data important in answering one or more developed research questions. Recorded Cultural Resources Present: Yes [x] No [ No archaeological sites have been previously recorded in the project location. Three of the subject parcels each has a building that was inventoried with DAHP in 2011, but which was not evaluated. Project Background: Berk Consulting, on behalf of the City of Renton, requested Cultural Resource Consultants, Inc. (CRC)to conduct a cultural resources assessment prior to development of the Sunset Court Apartments in Renton, King County, Washington. The City of Renton is redeveloping the Sunset Terrace public housing community in northeast Renton. In 2011,the City completed an Environmental Impact Statement(EIS) and a Record of Decision in accordance with the National Environmental Policy Act(NEPA)and adopted a Planned Action Ordinance in accordance with the State Environmental Policy Act(SEPA) for redevelopment. The NEPA/SEPA Final Environmental Impact Statement supporting both milestones was issued that year. Since the original FEIS analysis,additional planning has occurred and changes are now proposed. As a result of potential changes,the City is preparing a revised Master Site Plan. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 3 The proposed Sunset Court Apartment project will construct a new mixed-income apartment complex as part of the redevelopment effort.In 2011,the Sunset Court Apartment concept was considered as a"swap site"within this larger project,whereby an existing park and parcels would be consolidated for a larger park,to allow construction of affordable replacement housing. RHA has since acquired additional lots adjacent to the park to make the overall design more conducive to their plans. Two "node" lots located across the street would likely receive a share of housing units. The recently acquired lots are now included to expand a previously defined Area of Potential Effect(APE)for the Sunset Terrace housing project. This CRC report is to be included in the City of Renton Sunset Court NEPA,Re-Evaluation and SEPA Addendum,which is currently being prepared. The City of Renton and Renton,Housing Authority (RHA) considered the larger area around the current proposed Sunset Court Apartments in the 2011 Renton Sunset Area Environmental Impact Statement. Cultural resources were evaluated on the Master Plan Sites and swap sites in 2010 and 2011 (Elder et al. 2010; Stevenson-et al. 2011),which included archaeological assessment and historic property inventory; on numerous parcels surrounding the six parcels discussed in-this report(Figure 2). The proposed Sunset Court Apartments will be a 50 unit multi-family housing project situated on four tax parcels (Figure 3). Tax parcel numbers (andsitus addresses) are: 722780-1660 (1144 Harrington Avenue NE); 722780-1665 (1156 Glennwood Avenue NE); 722780-1780 (vacant lot on Harrington Place NE); and, 722780-1781 (City park on Harrington Place NE). Two adjacent node"parcels included in this project are 722780-1315 (1062 Glennwood Avenue NE) and 722780-1290 (1081 Harrington Avenue NE), located across Harrington Avenue NE from the other parcels. Eight townhomes are planned on the two node parcels, part of a coordinated development that would have another eight townhomes on two abutting sites in the original 2010 APE, for a total of 16 townhomes. Four•of the parcels contain one-story duplex residences that would be demolished. For purposes of this assessment,the area of potential effects (APE)for this project is understood to be the parcels described above and depicted on attached maps. 2. Background Research Background research was conducted in August-September 2015. Archival Sources Checked: DAHP WISAARD x] Three buildings over 50 years old have been inventoried within the project boundary. Web Soil Survey x] Soils mapped in the project location consist of Arents, Alderwood material, 6-15 percent slopes, and Ragnar-Indianola association, sloping(USDA NRCS 2015). Library x] Various historical, archaeological, and ethnographic references. General Land Office Map [x] 1865 Context Overview: Environmental and cultural context information for this project is derived from relevant published reports, articles, and books; historical maps and documents; geological and soils surveys; ethnographic accounts; and local archaeological survey reports. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 4 4 P Elder et al. (2010)produced a detailed cultural resources and historical context statement for the RHA Sunset Terrace redevelopment project that included and expanded on information summarized in this report. Environmental Context: An understanding of environmental and geological processes is important to assess archaeological 'expectations and model the potential for unidentified cultural resources in any location. Local topography in the project area was formed by Late Pleistocene glaciers that advanced through the'area approximately 15,000 years ago, during the Vashon Stade of the Fraser Glaciation, scouring troughs or channels in the older glacial till that was deposited and compacted during p ievious glacial advances. Since the last glacial retreat(ca. 12,000-13,000 years ago), little, if any, sedimentary deposition has occurred in the vicinity of the project area. The surface"geologic unit mapped in the project location is Qgd: Pleistocene glacial drift, which is composed of unsorted till and outwash clay, silt, sand, gravel, and cobbles deposited by glacial ice (WA DNR 2015). Soils mapped in the project area are mostly AmC: Arents,Alderwood material, 6-15 percent slopes, and RdC: Ragnar-Indianola association, sloping, in the southwestern-most part of the.APE(USDA NRCS 2015). Arents developed from glacial till;the typical vertical profile consists of gravelly sandy loam,with the gravel fraction increasing with depth. Ragnar-Indianola soil was formed from glacial till;the typical profile consists of ashy fine sandy loam to 27-inches depth, over loamy sand. Evidence of postglacial cultural activity would typically be expected toibe present near the modern ground surface."If archaeological deposits were present within the project area,they would have been on the surface or f ery shallowly buried. Due to minimal post-glacial soil development, any present deposits would likely have been obscured or destroyed by natural erosional forces and historic development.Thus,this type of depositional environment is considered to have a low potential to contain intact archaeological deposits. Archaeological Context: Approximately 11,500 years of human occupation in the Puget Sound region have been summarized in many archaeological, ethnographic, and historic investigations conducted over the past several decades. Sites dated between roughly 5,000-2,500 years ago show evidence of increased human use of open prairie land,the saltwater littoral, and riverine environments and floodplains. Seasonal camps in both upland and lowland environments indicate specialized resource utilization that complimented long-term lowland villages (e.g., Larson and Lewarch 1995). By the mind-19th century and the period of intensive Euroamerican contact,the archaeological record shows evidence of changes in social and cultural traditions. Several previous cultural resource studies and overviews provide general background information applicable to the project area(e.g., Elder et al. 2010;Nelson 1990). Archaeological evidence dated to.between 3000-200 B.P. illustrates the beginning of the elaboration ofseasonal logistical mobility and patterns of seasonal residence that characterized the ethnographic pattern in the Puget Sound region. Sites dating to this period represent seasonal specialized spring and summer fishing and root gathering campsites, and village locations. Beginning approximately two hundred years ago,relatively rapid social changes occurred under the pressures of acculturation (Marino 1990; Suttles and Lane 1990). CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 5 Ethnographic Context: This region is within the traditional territory of the Duwamish Tribe of Southern Lushootseed speakers; historically, ancestors of members of the Snoqualmie Nation and Muckleshoot Tribe and other tribal groups may have utilized this general area Suttles and Lane 1990; Waterman 2001). Local Indian people shared many broadly defined traditions with their inland Puget Sound neighbors, including littoral, lacustrine, or riverine settlement patterns, subsistence emphasis on salmon and other fish, land game, and a wide variety of abundant vegetable foods, and household and village communities.linked by family and exchange relations (Suttles and Lane 1990). From the early twentieth century, ethnographers (e.g., Waterman 2001)recorded many traditional place names in the general area, as told to them by Native American informants; most of these place names are near the lake and river shorelines. One name is recorded as within the general upland vicinity or the project(Waterman's map is not exacting): T" gwi't is,which is translated as"'red face,' for a high bluff east of Renton" (Waterman 2001:148-149). Historic Context: Euro-American settlement began in the Renton area around 1850. By the mid-1850s, increased Euro-American settlement had drastically impacted Indian people and their traditions through disease, violence, and the disruption of settlements and subsistence economies. In 1855,the Duwamish and other Puget Sound tribes signed the Point Elliot Treaty,which forced local Indian people onto reservations. Coal deposits in the Renton area attracted prospectors to the area. By the 1870s, investors expanded the industry; these included William Renton of the Port Blakely Mill Company,who was cofounder of the Renton Coal Company (Kirk and Alexander 1990). To support the increase in demand for coal, railroads were built from Elliot Bay to Renton, and from Elliott Bay, coal was shipped to west coast markets. By the 1880s in the project area,the logging industry also figured prominently in economic activity in the greater Renton area Slauson 1976). The project area was a small part of a vast territory that the United States deeded to the Northern Pacific Railroad Company in 1894-1895 (BLM 2015). The Renton coal mines began to close by the 1890s; however,the city's location on a transportation corridor continued to stimulate industrial, commercial, and residential development(Kirk and Alexander 1990). Sunset Highway was developed south of the project APE by1910,and until 1940 was the main road between Seattle and Snoqualmie Pass (Buerge 1989). In 1940, establishment of the Boeing Company aircraft manufacturing plant brought greater industrial prosperity. By 1942 and the entry of the United States into,the Second World War,Boeing employed over 40,000 people. Until about this time, when demand for worker housing skyrocketed,the project APE retained its rural character. Many,Renton neighborhoods were established during the war years..Following the end of the war,the federal government aided Renton's construction of housing`projects and residential infrastructure,which included the Highlands north and south of Sunset Highway Buerge 1989). Historical Maps: The General Land Office(GLO) cadastral survey plat for the project area is blank; it does not show any natural or cultural features, such as streams, forests, structures; trails, or clearings at the project location or within at least 0.5-mile of the project APE (USSG 1865). The nearest feature illustrated on that map is a trail that ran from the southwest to the CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 6 northwest over 0.5-mile southeast of the APE. A late 19th-century King County township map depicts no natural or cultural features in the vicinity of the project APE(Anderson 1889). Maps produced by the Kroll Map Company (Kroll 1912, 1926, 1930)were reviewed; these show no mapped roads or features within the vicinity of the project APE, and indicate ownership of lands surrounding the APE as"Alex B. Stewart."A later(post-World War 2) edition of the map depicts platted roads that exist today (Kroll 1946). Recorded Cultural Resources: Single structures on three of the subject parcels were indexed with a historic property inventory form(HPI),based on Assessor computer records imported by the DAHP into that office's electronic WISAARD database in 2011. There are no archaeological sites in the vicinity of the project APE recorded with DAHP or with the King County Historic Preservation office (personal communication with Phil LeTourneau, King County Historic Preservation Program, September 1, 2015). The nearest recorded archaeological site (45KI786) consists of early 20th century human remains and coffin hardware found in a construction trench about one mile north of the current project APE (Rooke 2008). Multiple pre-contact and historic archaeological sites are recorded on the Cedar River floodplain, over one mile southwest of the APE.Literature review did not identify traditional cultural properties (TCPs) in or near the project. The nearest previous cultural resources assessments were conducted adjacent to the current project APE, both for the Sunset Terrace housing redevelopment(Elder et al. 2010; Stevenson et al. 2011). The first of these resulted in inventory of historic buildings, and"very low potential" for the presence of undisturbed archaeological deposits across nearly all of the study area(Elder et al. 2010:7-1). Forty-eight properties identified as 45 years of age or older were evaluated for NRHP-eligibility. Based on NRHP criteria, only one of these was recommended eligible, located at 2825 NE Sunset Boulevard and used at that time as a St. Vincent de Paul Superstore. The other 47 properties were recommended not eligible for the NRHP, due mostly to structural modifications and upgrades completed by RHA that compromised their historical integrity(Elder et al. 2010:2-6, 2-7). The DAHP concurred with these recommendations (Holter 2010). The second study adjacent to the current project parcels,which included excavation of shovel probes on one of these parcels,the City park(Figure 4), concluded the study area contained mixed or imported sediments or soils that would not have the potential to contain archaeological resources. The potential for the discovery of archaeological deposits with in the APE is considered very low"(Stevenson et al. 2011:7-1). All probes were negative for identification of archaeological resources. Survey for a cell antenna upgrade within one-half mile east of the APE inventoried historic buildings, but did not result in identification of archaeological sites (Buehner 2013). Survey for a fiber-optic installation along the I-405 corridor, about 0.80-mile west of the project APE, did not identify unrecorded cultural resources (Juell 2001). Survey for public housing improvements about 0.5-mile north of the APE resulted in inventory of two historic buildings; no archaeology was found(Hetzel and Elder 2010). CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 7 Archaeological Expectations:The DAHP statewide predictive model uses environmental data about the locations of known archaeological sites to identify where previously unknown archaeological sites are more likely to be found. The model correlates locations of known archaeological to environmental data"to determine the probability that, under a particular set of environmental conditions, another location would be expected to contain an archaeological site Kauhi and Markert 2009:2-3). Environmental data categories included in the computer-based model are elevation, slope, aspect, distance to water, geology, soils, and landforms. The model classifies different parts of the project area as low, moderate, and high potential,likely based on slope and distance to water(i.e., streams)variables. Based on native environmental factors,the DAHP model designates the project area as high probability for the presence of archaeological sites; however, based upon the results of background research and the evidence of historic and modern development,the specific project location is considered to have a low potential to contain intact archaeological deposits. Local geomorphology,the shallow depositional environment, and significant historic and modern urban ground disturbances make it unlikely that the project could encounter intact, significant archaeological deposits. 3. Fieldwork Field investigations were conducted by the author; notes and photographs are on file at CRC. Total Area Examined: The entire project area. Areas not examined: None. Date(s) of Survey: September 3,2015 Weather and Surface Visibility: Weather conditions were warm and dry. Surface visibility of mineral soils was obscured by buildings, sidewalks,and grass. 4. Results The author surveyed the project area in clear and dry weather(Figure 5). Various data sets suggested a very low potential for the presence of buried archaeology. These included geological data that indicated any post-Pleistocene archaeology would be buried at a very shallow depth and the history of significant ground disturbance due to mid-20`h century development across the project area. Two shovel probes were dug and sediments screenedrthrough 0.25-inch mesh Table 1). Soils appeared to be glacial till and fill.No artifacts or indication of buried surfaces or pre-modern anthropogenic sediments was found. The exteriors of the four duplex houses in the APE were accessible for inventory. County assessor information indicated these had all been built in 1943, during expansion of Renton's residential neighborhoods. These buildings were similar in appearance. Each was a one-story wood-frame residential duplex with a rectangular plan and medium-pitch side gable roof. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 8 Table 1. Shovel probe data. SP Description,depths in centimeters(with UTM coordinates: Zone-Easting- No. Northing; WGS84 datum) 1 Z-10T,E-561611,N-5261244 Lawn/sod. 0-22: sandy loam, likely graded fill.26-45:gravelly sandy loam. Probe abandoned at compacted gravelly sediment.No cultural material. 2 Z-10T,E-561642,N-5261290 Sod. 0-26:gravelly sandy loam. 26-45:gravelly sandy loam.Probe stopped at compacted gravelly sediment.No cultural-material. These extriors had been modified from their original construction, and appeared in generally fair to poor condition (Figure 6). Other than the association with Renton's wartime growth, no evidence was identified that would support eligibility of these buildings for state or federal historic registers. The historic physical character of the buildings was likely compromised by structural modifications one or more times, including changes to windows and roofs observed in the site reconnaissance. Cultural Resources Identified: Assessment of the project APE identified four buildings older than 50 years; excavation of'shovel probes suggested a very low potential for buried archaeology (Figure 7). The four structures were photographed and inventoried on WADAHP Historic Property Inventory forms.These forms are amended to this report and uploaded electronically to the DAHP Historic Property Inventory database.No pre-contact or potentially significant historic sites were identified in the project area. Conclusions,Findings and Recommendations:Pedestrian surbey, shovel probes, and background research did not identify evidence of precontact or potentially significant historic sites within the project APE. The four duplex residences appeared to have exterior window and roof modifications similar to those that RHA implemented to nearby buildings inventoried in 2010 (e.g., 1052 Glennwood Avenue NE)that were determined not eligible for the NRHP (Elder , 2010; Holter 2010). The four duplex residences are recommended not eligible for the NRHP. Under NRHP eligibility Criterion A,they are related to an event that made a significant contribution to the broad patterns of our history: the growth of Renton during the Second World War and its connection to Boeing's military aircraft production. However,this relationship is tangential and supported only by the construction year of 1943.As to Criterion B_, no evidence was identified for association with significant persons. The duplexes do not embody distinctive physical characteristics, and, as the surrounding neighborhood has undergone rebuilding and redevelopment since their construction,these do not represent a distinguishable entity whose components may lack individual distinction, as required by Criterion C. Under Criterion D,the duplexes are not likely to yield information important in history. Eligibility for the Washington Heritage Register is supported by the buildings' age of at least 50 years, but they each have a compromised level of integrity and do not have documented historical significance at the local or state level. The depositional environment and modern land use conditions suggest a very low potential for. • intact buried cultural deposits. An archaeological inadvertent discovery protocol is attached Attachment A). CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 9 In the event that ground disturbing or other activities do result in the inadvertent discovery of archaeological deposits, work should be halted in the immediate area and contact made with the DAHP in Olympia. Work should be halted until such time as further investigation and appropriate consultation is concluded. In the unlikely event of the inadvertent discovery of human remains, work should be immediately halted in the area,the discovery covered and secured against further disturbance, and contact effected with law enforcement personnel and the DAHP. No historic properties affected x] Historic properties affected No adverse effect to historic properties • [] Adverse effect to historic properties Attachments: Figures x] Photographs [x] Other x] Proposed inadvertent discovery plan;project related correspondence; Historic Property Inventory forms. 5. Limitations of this Assessment No cultural resources study can wholly eliminate uncertainty regarding the potential for prehistoric sites, historic properties or traditional cultural properties to be associated with a project. The information presented in this report is based on professional opinions derived from our analysis and interpretation of available documents,records, literature, and information identified in this report, and on our field investigation and observations as described herein. Conclusions and recommendations presented apply to project conditions existing at the time of our study and those reasonably foreseeable. The data, conclusions, and interpretations in this report should not be construed as a warranty of subsurface conditions described in this report. They cannot necessarily apply to site changes of which CRC is not aware and has not had the opportunity to evaluate. 6. References Anderson, O. P. 1889 Township Plats of King County, Washington Territory. O. P. Anderson, Seattle. Buehner, Chanel 2013 May Valley#SE03XC382 Survey. Historic Preservation Northwest,Albany, Oregon. Buerge,David M. 1989 Renton, Where the Water Took Wing:An Illustrated History. Windsor Publications, Inc., Chatsworth, California. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 10 Bureau of Land Management(BLM) 2015 • Land Patent Search—BLM GLO Records. Electronic resource, http://www.glorecords.blm.gov/search/default.aspx. Elder,J. Tait, Melissa Cascella, and Christopher Hetzel 2010 Cultural Resources Survey Report:Potential Sunset Terrace Redevelopment Subarea and NE Sunset Boulevard. Prepared for City of Renton and Renton Housing Authority. ICF International, Seattle. Google Inc. 2015 Google Earth(Version 7.1.2.2041) [Software] Available from http://www.google.com/earth/index.html. Hetzel, Christopher and J. Tait Elder 2010 Cultural Resources Survey Report:Hillcrest Terrace Community Building. Prepared for City of Renton and Renton Housing Authority. ICF International, Seattle. Holter, Russel 2010 Letter to Ericka Conkling, City of Renton, regarding Sunset Terrace Redevelopment Subarea; DAHP Log: 091010-31-HUD-CDBG,November 18. On file at DAHP, Olympia. Juell, Kenneth E. 2001 Cultural Resources Inventory of the Proposed Washington Light Lanes Project. Prepared for Universal Communication Networks—Washington Inc.,and David Evans& Associates, Inc.NWAA Project WA01-6.Northwest Archaeological Associates, Inc., Seattle. Kirk, Ruth, and Carmela Alexander 1990 Exploring Washington's Past:A road guide to history. University of Washington Press, Seattle. Kroll Map Company 1912 Kroll's Atlas of King County; Washington. Kroll Map Company, Seattle. 1926 Kroll's Atlas of King County, Washington. Kroll Map Company, Seattle. 1930 Kroll's Atlas/of King County, Washington. Kroll Map Company, Seattle. 1946 Kroll's Atlas of King County, Washington. Kroll Map Company, Seattle. Larson, L. L., and D. E. Lewarch, eds. 1995 The Archaeology of West Point, Seattle, Washington: 4,000 Years of Hunter—Fisher— Gatherer Land Use in Southern Puget Sound. Report prepared for King County Metropolitan Services. Larson Anthropological/Archaeological Services, Seattle. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 11 I Marino, Cesare 1990 History of Western Washington Since 1846. In Handbook of North American Indians, Vol. 7:Northwest Coast, edited by Wayne Suttles,pp. 169-179. Smithsonian Institution Press, Washington D.C. National Park Service(NPS) 1991 How to Apply the National Register Criteria for Evaluation.National Register Bulletin No. 15. U.S. Department of the Interior,National Park Service, Washington, D.C. Nelson, C. M. 1990 Prehistory of the Puget Sound Region. In Handbook ofNorth American Indians, Volume 7: Northwest Coast,pp. 481-484. Smithsonian Institution Press, Washington, DC. Office of Archaeology and Historic Preservation (OAHP) n.d. Washington Heritage Register. Publication on file at Washington State Department of Archaeology and Historic Preservation, Olympia. Rooke, Lara 2008 Washington State Archaeological Site Form 45KI786. On file at DAHP, Olympia. Slauson,Morda C. 1976 Renton—From Coal to Jets. Renton Historical Society, Renton, Washington. Stevenson, Alexander E., J. Tait Elder, Melissa Cascella, and Christopher Hetzel 2011 Cultural Resources Survey Report:Development of Three Project Sites in the Renton Sunset Terrace Neighborhood. Prepared for City of Renton and Renton Housing Authority. ICF International, Seattle. Suttles, W. and B. Lane 1990 Southern Coast Salish. In Handbook of North American Indians, Volume 7: Northwest Coast,pp. 485-502. Smithsonian Institution Press, Washington, DC. United States Department of Agriculture Natural Resources Conservation Service (USDA NRCS) 2015 Web Soil Survey. Electronic resource, http://websoilsurvey.nrcs.usda.gov/app/WebSoilSurvey.aspx. United States Surveyor General (USSG) 1865 General Land Office Map, Township 23 North, Range 5 East, Willamette Meridian. Electronic resource, http://www.blm.gov/or/landrecords/survey. Washington State Department of Natural Resources (WA DNR) 2015 Washington Interactive Geologic Map. Division of Geology and Earth Resources— Washington's Geological Survey. Electronic resource, https://fortress.wa.gov/dnr/geo logy/. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 12 Waterman, T. T. 2001 sda?da?gwel dibel lesucid?acaciltalbixw Puget Sound Geography. Vi Hilbert, Jay Miller, and Zalmai Zahir, contributing editors. Lushootseed Press, Federal Way, Washington. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 13 7. Figures 4 Area of Potential Effect 0 Or 411 M Survey Area IIIs IP. 0 t do 4 1 ileo lip 111 ,. A 0 600 I r it 7"r":"14111411, feet IIIIMICIIIPA 1 Figure 1. USGS Mercer Island, WA 7.5-minute quad marked with project boundary. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County, WA Page 14 f_ r)City limits Ri1' r•21ST-ST; • ti :. t.__ 54 1 Parcels r' HE 21ST ST JWL F.` Q Area of Potential Effects 1E .. 1#, • ! %• t5. r•=Tr.ST Mio NER. r20TH•T• '• r ti . O, Z ',* r '*- 1. A 1 NEI9THST a 4.•. I Nr 18TH ST '" xp - j-,aF.ir'r! r7.:,„ 1 y-)fZjl t- 1a ?,' 1' JLIiJIP1>TH Pt Ili fi• 2" .a • I! , fitt1NS /,O' :•. yy^, NE I7TH ST, it W-'Pr m v. '.NE-16THST t i NEt15THs• •. . i-..,op,rr<`- 71- it r6 ' 2015 Sunset Court y -. , -.%., ,. ' ,6. Li a' Apartments APE ' r 1t 'L.N t_+ r.•. NE 1dTH Sr. Z '" .E2 -L •C r•d NE,13TH'PL _ _ 1 t o al? c . at, i,. 1 ..7t.1 r• ' .NE 13TH ST It N • n `•-" _ . . f S;•> 41 iTH T pl. • o 4. .a W .•' f r.d y NE 11THST R e`_j I4. .1 4_' lit _ 1 V. 4 7` 'T 1 • rOTN•P•m s . a 1. R. • , t... kid r -. r4Z-, NE lOTH'PP r I a ., •, . 1/!: 1: r2- ds444 E-10TH STj; • - . - lit it 1.O1 7E NE lUtr:sl z m INJ Jew n Rl-. 5.\ 1.. a- .O i• Vs. r'•'r T:c 3, 1---z A. a- NE 11;TTH Silt NE:9,,'Pl•} ' . 'i_ • 2 Alllianak z ! ` a _rt •4.4 . .a •.. NE'yTH S{ 2010 Sunset Terrace APE ' o i4. 4.1}_ .. ' ate u- — li.f,•o4/ <% z u- • fi r (. '! .7 _• Y l 1.1- ,' !:I 1~ NE 8TH S R at• . a ,1 1 a z+ ` . 4) 1: 4e fiJ 1, 7 i T i_ SNP 1. r `..•_ 1 r ' NE.8TH ST a • • , , r 2 -, NE6 r. 3 u mu.a AMP 'a .,- : 1..-.- L. 2 / f ;j, _-• A , r - l'•rjic 4 NE 6 T ` t NE Z. r%. 4. N Pt r r o NE.7THKi•f. NE6T 1# - ' Ir .iT.•St z.7R`. • :/ 'f 1 If 1 111.1.ti i';'' r f _ a, 071 4,..}._ . kAil& Ir. .ill le ,.R..-.'•• Figure 2. 2010 cultural resources study area annotated with current project APE image source: Elder et al. 2010:5-3). CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County, WA Page 15 1 I I .—- I / C—) schemataiIIe.,w.,y....:. Ti workshop YO.O GLENi Ai. AVE NE I Sew wou.c m VAGTEDNOw Sf: ,.,.., u.mw P.M. i i I „ j / Sunset Cou o..+a me Apartments I' ue/ {j JZf:\\'/' 11' o . IOW 3- yY„ y s I C LZ, vCII / if: 41.. bt;: i;:I: ia . A002 Figure 3. Plan of proposed development. weftN. i __ ri.r4iInIl. 80w fir i`,, Is 4, ST9 .. ., ., I al,.- I,i6°ll•,: V i i i..,,.... 7,,.31Ir,1/ 44.i1. i. d 4.,..‘, 7, g'.•aIW 0z Q • ` f'` li STIO w E 0 a ,',3e am f f. rt‘ t Aftkiw 1 tr itagik... /di r v' 2015 APEil-'' A".-i' '4'4' II I Figure 4. Air photo showing shovel probes (ST) dug in current project area in 201 1 image source: Stevenson et al. 2011:5-5). CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County. WA Page 16 y 1*`1 r t. • ;''' ,GLENNWOOD AVE NE r liARRiNAN AVENE ai jg 9' `fir- I figure 5. Overview of the project location; view is to the southeast. t,,, : W.:, ,!, .1.1,,.. 0 : , lig. f.r i LL L'I -Li w Figure 6. Representative view of 1943 duplexes; view is of 1 156 Glenwood Avenue NE. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 17 is.a„ t1 I kT 4 . • ip‘7 .. . 1. y, i I pip 4 Figure 7. View of eastern portion of the project APE; view is to the north. Ws if 722780-1780 Z mil — 722780-1665 4 if ro SP r • r ' -\ 5 s xa 144 Harrington 1 at( .,ti 722780-16601 --_ x 7?27SC i I. a t---/ 4 rL r Tip N _ 1; 062 Glenwood #081 Harnn 4 722780-1290''` 2015 Google 200 11 722780 1315 1 z•th 1..a.m. ) 1 Imagery 0e4:U19'T015 10 7 56157E110 m E 52151232.M m N e1Pl 0 ft•*watt ui.•.r Figure 8. Air photo annotated with project area, study parcels, and 2015 shovel probes(SP) image source: Google, Inc. 2015). CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County, WA Page 18 f Attachment A.Protocols for Discovery of Archaeological Resources and Human Remains Protocols for Discovery of Archaeological Resources In the event that archaeological rest urces are encountered during project implementation,the following actions will be taken: In work areas, all ground disturbing activity at the location will stop, and the work supervisor will be notified immediately. The work site will be secured from any additional impacts and the supervisor will be informed.j The project proponent will immediately contact the agencies with jurisdiction over the lands where the discovery is located, if appropriate. The appropriate agency archaeologist or the proponent's contracting archaeologist will determine the size of the work stoppage zone or discovery location in order to sufficiently protect the resource until further decisions can be made regarding the work site. The project proponent will consult(with Washington State Department of Archaeology and Historic Preservation(WADAHP)regarding the evaluation of the discovery and the appropriate protection measures, if applicable.(Once the consultation has been completed, and if the site is determined to be NRHP-eligible,the project proponent will request written concurrence from the ' agency or tribe(s)that the protection and•mitigation measures have been fulfilled. Upon notification of concurrence from the appropriate parties,the project proponent will proceed with the project. Within six months after completion of the above steps,the project proponent will prepare a final written report of the discovery. The report will include a description of the contents of the • discovery, a summary of consultation, and a description of the treatment or mitigation measures. i Protocols for Discovery of Human Remains If human remains are found within;the project area,the project proponent, its contractors or permit-holders, the following actions will be taken, consistent with Washington State RCWs 68.50.645,27.44.055,and 68.60.055: If ground-disturbing activities encounter human skeletal remains during the course of construction then all activity will cease that may cause further disturbance to those remains. The area of the find will,be secured and protected from further disturbance; The project proponent will prepare a plan for securing and protecting exposed human remains and retain consultants to perform these services. The finding of human skeletal remains will be reported to the county medical examiner/coroner and local law enforcement in the most expeditious manner possible. The remains will not be touched,moved, or further disturbed. The county medical examiner/coroner will assume jurisdiction over the human skeletal remains and make a determination of whether those remains are forensic or non-forensic. If the county medical examiner/coroner determines the remains are non-forensic,then they will report that finding to WADAHP,which will then take jurisdiction over the remains. WADAHP will notify any appropriate cemeteries and all affected tribes of the find. The State Physical Anthropologist will make a determination of whether the remains are Indian or Non-Indian and report that finding to CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 19 any appropriate cemeteries and the affected tribes. WADAHP will then handle all consultation with the affected parties as to the future preservation, excavation, and disposition of the remains. Lead Representative and Primary Contact Duwamish Tribe Cecile Hansen, Chairwoman, (206)431-1582 4705 W Marginal Way SW Seattle, WA 98106-1514 Muckleshoot Tribe Virginia Cross, Chair (253) 939-3311, ext. 3194 39015 172nd Ave SE Auburn, WA 98092 Laura Murphy, Cultural Resources, (253) 876-3272 Snoqualmie Nation Carolyn Lubenau, Chair, (425) 888-6551 PO Box 969 Snoqualmie, WA 98065 Steve Mullen-Moses, Cultural Resources (425) 888-6551 Washington Department of Archaeology and Historic Preservation PO Box 48343 Olympia, WA 98504-8343 Lead Representative: Allyson Brooks, State Historic Preservation Officer, 360-586-3066 Primary Contact: Rob Whitlam, State Archaeologist, 360-586-3080 Primary Contact for Human Remains: Guy Tasa, State Physical Anthropologist, 360-586-3534 King County.Medical Examiner 206-731-3232 King County Sheriff 206)296-4155 Renton Police Department 425) 430-7500 (non-emergency) CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 20 Attachment B. Project related correspondence with tribal cultural resources offices. • i i I I ' CRC Technical'Memorandum 1507F-3 Sunset,Court Apartments Project, Renton, King County,WA , Page 21 Cultural Resource Consultants, Inc. August 28,2015 Duwamish Tribe Cecile Hansen,Chairwoman 4705 W Marginal Way SW Seattle,WA 98106-1514 Re: Cultural Resources Assessment for the Sunset Court Apartments Project,Renton,WA Dear Cecile: I am writing to inform you of a cultural resources assessment for the above referenced project and to seek additional information about the project area the Tribe may have that is not readily available through other written sources.The project is located in Section 9,Township 23 North, Range 5 Willamette Meridian at Harrington Avenue NE and Harrington Place NE in Renton, King County,Washington.Berk Consulting,on behalf of the City of Renton,is requesting this assessment prior to development of the Sunset Court Apartments to be located at 1144 Harrington Avenue NE in Renton.The project is to construct a new mixed-income apartment complex as part of a redevelopment effort for the Renton Housing Authority's Sunset Terrace housing project.The project area for this 50 unit multi-family housing project is situated on four parcels:722780-1660,722780-1665,722780-1780 and 722780-1781. We are in the process of reviewing available information.Background research will include a site files search at the Washington State Department of Archaeology and Historic Preservation, review of previously recorded cultural resource reports,and review of pertinent published literature and ethnographies.Results of our investigations will be presented in a technical memo. We are aware that not all information is contained within published sources.Should the Tribe have additional information to support our assessment,we would very much like to include it in our study.Please contact me should you wish to provide any comments.I appreciate your assistance in this-matter and look forward to hearing from you. Sincerely, Glenn D.Hartmann President/Principal Investigator PO Box 10668,BAINBRIDGE ISLAND,WA 98110 PHONE 206.855.9020 - info@crcwa.com CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 22 5 I 1 Cultural Resource Consultants, Inc. August 28,2015 Muckleshoot Indian Tribe Laura Murphy,Archaeologist/Cultural Resources 39015 172nd Ave SE Auburn,WA 98092 Re: Cultural Resources Assessment for the Sunset Court Apartments Project,Renton,WA ` Dear Laura: I am writing to inform you of a cultural resources assessment for the above referenced project ' and to seek additional information about the project area the Tribe may have that is not readily available through other written sources.The project is located in Section 9,Township 23 North, Range 5 Willamette Meridian at Harrington Avenue NE and Harrington Place NE in Renton, King County,Washington.Berk Consulting,on behalf of the City of Renton,is requesting this assessment prior to development of the Sunset Court Apartments to be located at 1144 Harrington Avenue NE in Renton.The project is to construct a new mixed-income apartment complex as part of a redevelopment effort for the Renton Housing Authority's Sunset Terrace housing project.The project area for this 50 unit multi-family housing project is situated on four parcels:722780-1660,722780-1665,722780-1780 and 722780-1781. We are in the process of reviewing available information.Background research will include a site files search at the Washington State Department of Archaeology and Historic Preservation, review of previously recorded cultural resource reports,and review of pertinent published literature and ethnographies.Results of our investigations will be presented in a technical memo. We are aware that not all information is contained within published sources.Should the Tribe have additional information to support our assessment,we would very much like to include it in our study.Please contact me should you wish to provide any comments.I appreciate your assistance in this matter and look.forward to hearing from you. t I Sincerely, Glenn D.Hartmann President/Principal Investigator PO Box 10668,BAINBRIDGE ISLAND,WA 98110 PHONE 206.855.9020 - info@crcwa.com CRC Technical Memorandum 15O7F-3 Sunset Court Apartments Project, Renton, King County,WA Page 23 l Cultural Resource Consultants, Inc. August 28,2015 Snoqualmie Indian Tribe Steve Mullen-Moses 8130 Railroad Ave,Suite 103 PO Box 969 Snoqualmie,WA 98065 Re: Cultural Resources Assessment for the Sunset Court Apartments Project,Renton,WA Dear Steve: I am writing to inform you of a cultural resources assessment for the above referenced project and to seek additional information about the project area the Tribe may have that is not readily available through other written sources.The project is located in Section 9,Township 23 North, Range 5 Willamette Meridian at Harrington Avenue NE and Harrington.Place NE in Renton,. King County,Washington.Berk Consulting,on behalf of the City of Renton,is requesting this assessment prior to development of the Sunset Court Apartments to be located at 1144 Harrington Avenue NE in Renton.The project is to construct a new mixed-income apartment complex as part of a redevelopment effort for the Renton Housing Authority's Sunset Terrace housing project.The project area for this 50 unit multi-family housing project is situated on four parcels:722780-1660,722780-1665,722780-1780 and 722780-1781. We are in the process of reviewing available information.Background research will include a site files search at the Washington State Department of Archaeology and Historic Preservation, review of previously recorded cultural resource reports,and review of pertinent published literature and ethnographies.Results of our investigations will be presented in a technical memo. We are aware that not all information is contained within published sources.Should the Tribe have additional information to support our assessment,we would very much like to include it in our study.Please contact me should you wish to provide any comments.I appreciate your assistance in this matter and look forward to hearing from you. Sincerely, Glenn D.Hartmann President/Principal Investigator PO BOX 10668,BAINBRIDGE ISLAND,WA 98110 PHONE 206.855.9020 - info@crcwa.com CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 24 Attachment C.WADAHP Historic Property Inventory forms. CRC Technical Memorandum 1507F-3 Sunset Court Apartments Project, Renton, King County,WA Page 25 to-YP A0 pMO OboGoOelFh 8. uhe Historic Inventory Report HCPRESERVATON Location Field Site No. DAHP No. Historic Name: 1062 Glennwood Avenue NE,Renton Common Name: Property Address: 1062 Glennwood Ave NE, Renton,WA 98056 Comments: Tax No./Parcel No. 7227801315 Plat/Block/Lot Acreage Supplemental Map(s) Township/Range/EW Section 1/4 Sec 1/4 1/4 Sec County Quadrangle T23R05E 09 King MERCER ISLAND Coordinate Reference Easting: 1224301 Northing: 794975 Projection: Washington State Plane South Datum: HARN(feet) Identification Survey Name: Cultural Resources Assessment for the Sunset Date Recorded: 09/03/2015 Court Apartments Project, Renton Field Recorder: James Schumacher Owner's Name: Renton Housing Authority Owner Address: 2900 NE 10th Street City: Renton State: WA Zip: 98056 Classification:Building Resource Status:Comments: Survey/Inventory Within a District? Not Identified Contributing? National Register: Local District: National Register District/Thematic Nomination Name: Eligibility Status: Determined Not Eligible-SHPO Determination Date: 9/22/2015 Determination Comments: 091010-31-HUD-CDBG determined on 9/22/2015 Wednesday,October 21,2015 Page 1 of 5 RATMOO OYP Historic Inventory ReportASORICPRESERVATION NxRstgoo eMekfim Description Historic Use: Domestic-Multiple Family House Current Use: Domestic-Multiple Family House Plan: Rectangle ' Stories: 1 Structural System: Platform Frame Changes to Plan: Intact Changes to Interior: Unknown Changes to Original Cladding: Slight Changes to Windows: Extensive Changes to Other: Unknown Other(specify): Style:Cladding: Roof Type: Roof Material: Modern-Minimal Wood-Clapboard Gable-Side Gable Asphalt/-Composition- Traditional Shingle Foundation: Form/Type: Concrete-Poured Multi-Family-Duplex Narrative I Study Unit Other Architecture/Landscape Architecture Date of Construction: 1943 Built Date Builder: Engineer: Architect: Property appears to meet criteria for the National Register of Historic Places:No Property is located in a potential historic district(National and/or local):unknown Property potentially contributes to a historic district(National and/or local): r Wednesday,October 21,2015 Page 2 of 5 45--ENTOF ARAEOLOGY& Historic Inventory Report HIS ORIC PRESERVATION Rcev9MeRd.5nyelheFNue Statement of In 1940,establishment of the Boeing Company aircraft manufacturing plant brought greater industrial Significance: prosperity to Renton. By 1942 and the entry of the United States into the Second World War,Boeing employed over 40,000 people(Buerge 1989).The exterior of the house was accessible for inventory Schumacher 2015).County assessor information indicated it was built in 1943,during the wartime expansion of Renton's residential neighborhoods. Highlands and North Highlands Much of the existing development in the Highlands is single family and duplex housing,with newer multiple family complexes near Sunset Boulevard N.E.to the north and N.E.4th Street to the south.The single family and duplex homes were originally built by the federal government as temporary housing for Boeing employees during World War II.As the time,the neighborhood was in King County.After the war, in 1946,the neighborhood was annexed to the City of Renton.The majority of these homes have endured and become Renton's main source of low income housing. [...]The housing to the north is dominated by small,duplex and single family structures. Like many of the homes in the Highlands neighborhood,most of the single family and duplex structures in the North Highlands originated as temporary housing for Boeing employees(City of Renton 1989:34-35)." Other than the association with Renton's wartime growth,no evidence was identified that would support eligibility of these buildings for state or federal historic registers.The building has been renovated: windows have been replaced and roofing modified.The duplex has Modern characteristics,but does not embody elements that exemplify a noteworthy example of this style. Description of The property was evaluated at a reconnaissance level as part of a cultural resources assessment for the Physical Sunset Court Apartments project,completed for the Sunset Terrace Redevelopment Subarea in Renton Appearance: Schumacher 2015).This building is a one-story residential duplex built in 1943,according to the King County Assessor.The architect and builder are unknown.The exterior appeared in generally fair to poor condition.The building is a one-story wood-frame residential duplex with a rectangular plan and medium- pitch side gable roof.It has non-original windows and roof.The historic physical character of the buildings was likely compromised in recent decades.Structural upgrades could potentially have been similar to those implemented nearby: Renton Housing Authority]completed a comprehensive rehabilitation of Sunset Terrace in the 1970s, which resulted in the removal and replacement of many[...]features.The original windows were replaced with new metal windows,unit doors were replaced [...]and the original cedar wall claddings were replaced with vinyl siding.Subsequent changes occurred in the 1990s,when the single-level,ground- related units in the complex were upgraded for ADA accessibility.Kitchens and bathrooms in the individual housing units were also substantially renovated at this time(Elder et al.2010:2-6,2-7). Wednesday,October 21,2015 Page 3.of 5 DE teRTMENTOF AR•IIiiAEOLOGY& Historic Inventory Report HISTORIC plicaRVAliON ftaecl krrmLSFceH,eatsc Major Buerge, David M. Bibliographic 1989 Renton,Where the Water Took Wing:An Illustrated History.Windsor Publications, Inc.,Chatsworth, References: California. City of Renton 1989 Community Profile. Renton Department of Community Development, Renton, Washington. Elder,J.Tait,Melissa Cascella,and Christopher Hetzel 2010 Cultural Resources Survey Report: Potential Sunset Terrace Redevelopment Subarea and NE Sunset Boulevard. Prepared for City of Renton and Renton Housing Authority.ICF International,Seattle. Schumacher,James 2015 Cultural Resources Assessment for the Sunset Court Apartments Project, Renton,Washington. Prepared for Berk Consulting.CRC Technical Memo 1507F-1.Cultural Resource Consultants, Inc., Bainbridge Island. J q Wednesday,October 21,2015 Page 4 of 5 ARCHEOLOG HISTORIC PRESERVATION MENT F Historic Inventory Report flcees the Ral,S N+eMuz Photos Renton Highlands Scenes 1 1.; -s-- . _- mow ^.__. 1 „.. ' s L' ----- Source:http://www.rentonhousing.org/history.html Southwest elevation Neighborhood 2015 1943 iI l Z '--}.- G mg__j ,: ipf 'r ' ' P.,. e LET" yp 7 Y 4 f West elevation 2015 Wednesday,October 21,2015 Page 5 of 5 iRAfMOENLOiOYF Historic Inventory Report HI YORIC PRESERVATION ftecli ePmt.SgpMeft(ue Location Field Site No. DAHP No. Historic Name: 1081 Harrington Avenue NE, Renton Common Name: Property Address: 1081 Harrington Ave NE, Renton,WA 98056 Comments: Tax No./Parcel No. 7227801290 Plat/Block/Lot Acreage i Supplemental Map(s) 0 1 Township/Range/EW Section 1/4 Sec 1/41/4 Sec County Quadrangle 5 T23R05E 09 King MERCER ISLAND Coordinate Reference Easting: 1224466 Northing: 794958 Projection: Washington State Plane'South, Datum: HARN(feet) Identification Survey Name: Cultural Resources Assessment ifor the Sunset Date Recorded:,09/03/2015 Court Apartments Project;Renton Field Recorder: James Schumacher Owner's Name: Renton Housing Authority Owner Address: 2900 NE 10th Street City: Renton State: WA Zip: 98056 Classification:Building f Resource Status:Comments: Survey/Inventory Within a District? Not Identified Contributing? National Register: Local District: National Register District/Thematic Nomination Name:. Eligibility Status: Determined Not Eligible-SHPO Determination Date:-9/22/2015 Determination Comments: 091010-31-HUD-CDBG determined on 9/22/2015 Wednesday,October 21,2015 Page 1 of 5 DE,,AARIMENT OF 441.1• ieG!HAEOLOGY& Historic Inventory Report HIST, m PRESERVATION RcteNMeRatS icelhehfur r r Description Historic Use: Domestic-Multiple Family House Current Use: Domestic-Multiple Family House Plan: Rectangle.Stories: 1 Structural System: Platform Frame Changes to Plan: Intact Changes to Interior: Unknown Changes to Original Cladding: Intact Changes to Windows: Extensive Changes to Other: Unknown Other(specify): Style:Cladding: Roof Type: Roof Material: Modern-Minimal Wood-Clapboard Gable-Side Gable Asphalt/Composition- Traditional Shingle Foundation: Form/Type: Concrete-Poured Multi-Family-Duplex Narrative Study Unit Other Architecture/Landscape Architecture Date of Construction: 1943 Built Date Builder: Engineer: Architect: Property appears to meet criteria for the National Register of Historic Places:No Property is located in a potential historic district(National and/or local):unknown Property potentially contributes to a historic district(National and/or local): Wednesday,October 21,2015 Page 2 of 5 RTMENiOFHistoric Inventory ReportTF5AEOLOGY& HIS ilkFt PRESERVATIONI- 1 _,.: R t ilfeRd..Vz}oethefutue Statement of In 1940,establishment of the Boeing Company aircraft manufacturing plant brought greater industrial Significance: prosperity to Renton. By 1942 and the entry of the United States into the Second World War, Boeing employed over 40,000 people(Buerge 1989).The exterior of the house was accessible for inventory Schumacher 2015).County assessor information indicated it was-built in 1943,during the wartime expansion of Renton's residential neighborhoods. Highlands and North Highlands I Much of the existing development in the Highlands is single family and duplex housing,with newer multiple family complexes rear Sunset Boulevard N.E.to the north and N.E.4th Street to the south.The single family and duplex homes were originally built by the federal government as temporary housing for Boeing employees during World War II.As the time,the neighborhood was in King County.After the war, in 1946,the neighborhood'was annexed to the City of Renton.The majority of these homes have endured and become Renton's main source of low income housing.[...]The housing to the north is dominated by small,duplex and single family structures. Like many of the homes in the Highlands neighborhood,most of the single family and duplex structures in the North Highlands originated as temporary housing for Boeing employees(City of Renton 1989:34-35)." Other than the association!with Renton's wartime growth,no evidence was identified that would support eligibility of these buildings for state or federal historic registers.The building has been renovated: windows have been replaced and roofing modified.The duplex has Modern characteristics,but does not embody elements that exemplify a noteworthy example of this style. Description of The property was evaluated at a reconnaissance level as part of a cultural resources assessment for the Physical Sunset Court Apartments project,completed for the Sunset Terrace Redevelopment Subarea in Renton Appearance: Schumacher 2015).This building is a one-story residential duplex built in 1943,according to the King County Assessor.The architect and builder are unknown.The exterior appeared in generally fair to poor condition.The building is a one-story wood-frame residential duplex with a rectangular plan and medium- pitch side gable roof.It has non-original windows and roof.The historic physical character of the buildings was likely compromised in:recent decades.Structural upgrades could potentially have been similar to those implemented nearby: Renton Housing Authority]completed a comprehensive rehabilitation of Sunset Terrace in the 1970s, which resulted in the removal and replacement of many[...]features.The original windows were replaced with new metal windows,unit doors were replaced [...]and the original cedar wall claddings were replaced with vinyl siding.Subsequent changes occurred in the 1990s,when the single-level,ground- related units in the complex were•upgraded for ADA accessibility.Kitchens and bathrooms in the individual housing units were also substantially renovated at this time(Elder et al.2010:2-6,2-7). Wednesday,October 21,2015 Page 3 of 5 n DE sARTMENr OF AROHAEOLOGY& Historic Inventory Report HIS ORIC PRESERVATION fhef t..4gpeMeFiAme Major Buerge, David M. Bibliographic 1989 Renton,Where the Water Took Wing:An Illustrated History.Windsor Publications,Inc.,Chatsworth,References: California. City of Renton 1989 Community Profile. Renton Department of Community Development, Renton, Washington. Elder,J.Tait,Melissa Cascella,and Christopher Hetzel 2010 Cultural Resources Survey Report:Potential Sunset Terrace Redevelopment Subarea and NE Sunset Boulevard. Prepared for City of Renton and Renton Housing Authority.ICF International,Seattle. Schumacher,James 2015 Cultural Resources Assessment for the Sunset Court Apartments Project,Renton,Washington. Prepared for Berk Consulting.CRC Technical Memo 1507F-1.Cultural Resource Consultants, Inc., Bainbridge Island. 1 N. Wednesday,October 21,2015 Page 4 of 5 RT9JTOF Historic Inventory ReportARCHAEOLOGY& HISTORIC PRESERVATION ft4*C,Snow Iht:4*R Photos Renton Highlands Scenes Or', 1P a X:__...._. _._..,._._ .- Y t. ar Source: http://www.rentonhousing.org/history.html Neighborhood East elevation 1943 2015 Wednesday,October 21,2015 Page 5 of 5 RTMENT°P Historic Inventory ReportARCHAEOLOGYd, HISTORIC PRESERVATION Location Field Site No. DAHP No. Historic Name: 1144 Harrington Avenue NE, Renton Common Name: Property Address: 1144 Harrington Ave NE, Renton,WA 98056 Comments: Tax No./Parcel No. 7227801660 Plat/Block/Lot Acreage Supplemental Map(s) Township/Range/EW Section 1/4 Sec 1/4 1/4 Sec County Quadrangle T23R05E 09 King MERCER ISLAND Coordinate Reference Easting: 1224640 Northing: 795287 Projection: Washington State Plane South Datum: HARN (feet) Identification Survey Name: Cultural Resources Assessment for the Sunset Date Recorded: 09/03/2015 Court Apartments Project, Renton Field Recorder: James Schumacher Owner's Name: Renton Housing Authority Owner Address: 2900 NE 10th Street City: Renton State: WA Zip: 98056 Classification:Building Resource Status:Comments: Survey/Inventory Within a District? Not Identified Contributing? National Register: Local District: National Register District/Thematic Nomination Name: Eligibility Status: Determined Not Eligible-SHPO Determination Date: 9/22/2015 Determination Comments: 091010-31-HUD-CDBG determined on 9/22/2015 Wednesday,October 21,2015 Page 1 of 5 MARTMENrOF nR IAEOLOGY& Historic Inventory Report HISTORIC PRESERVATION ftenkefmLSnpelhetvfuc Description Historic Use: Domestic-Multiple Family House Current Use: Domestic-Multiple-Family House Plan: Rectangle Stories: 1 Structural System: Platform Frame Changes to Plan: Intact Changes to Interior: Unknown Changes to Original Cladding: Slight Changes to Windows: Moderate Changes to Other: Unknown Other(specify): Style:Cladding: Roof Type: Roof Material: Modern-Minimal Wood-Clapboard Gable-Side Gable Asphalt/Composition- Traditional Shingle Foundation: • Form/Type: Concrete-Poured Multi-Family-Duplex Narrative Study Unit Other Architecture/Landscape Architecture Date of Construction: 1943 Built Date Builder: Engineer: Architect: Property appears to meet criteria for the National Register of Historic Places:No Property is located in a potential historic district(National and/or local):Unable to Determine Property potentially contributes to a historic district(National and/or local): Wednesday,October 21,2015 Page 2 of 5 DEP_4RTMENT OF ARCrHAEOLOGY& Historic Inventory Report L HIS1ORICPRESERVATION Statement of In 1940,establishment of the Boeing Company aircraft manufacturing plant brought greater industrial Significance: prosperity to Renton. By 1942 and the entry of the United States into the Second World War,Boeing employed over 40,000 people(Buerge 1989).The exterior of the house was accessible for inventory Schumacher 2015).County assessor information indicated it was built in 1943,during the wartime expansion of Renton's residential neighborhoods. Highlands and North Highlands Much of the existing development in the Highlands is single family and duplex housing,with newer multiple family complexes near Sunset Boulevard N.E.to the north and N.E.4th Street to the south.The single family and duplex homes were originally built by the federal government as temporary housing for Boeing employees during World War II.As the time,the neighborhood was in King County.After the war, in 1946,the neighborhood was annexed to the City of Renton.The majority of these homes have endured and become Renton's main source of low income housing.[...]The housing to the north is dominated by J small,duplex and single family structures.Like many of the homes in the Highlands neighborhood,most of the single family and duplex structures in the North Highlands originated as temporary housing for Boeing employees(City of Renton 1989:34-35)." Other than the association with Renton's wartime growth,no evidence was identified that would support eligibility of these buildings for state or federal historic registers.The building has been renovated: windows have been replaced and roofing modified.The duplex has Modern characteristics,but does not embody elements that exemplify a noteworthy example of this style. Description of The property was evaluated at a reconnaissance level as part of a cultural resources assessment for the Physical Sunset Court Apartments project,completed for the Sunset Terrace Redevelopment Subarea in Renton Appearance: Schumacher 2015).This building is a one-story residential duplex built in 1943,according to the King County Assessor.The architect and builder are unknown.The exterior appeared in generally fair to poor condition.The building is a one-story wood-frame residential duplex with a rectangular plan and medium- pitch side gable roof.It has non-original windows and roof.The historic physical character of the buildings was likely compromised in recent decades.Structural upgrades could potentially have been similar to those implemented nearby: Renton Housing Authority]completed a comprehensive rehabilitation of Sunset Terrace in the 1970s, which resulted in the removal and replacement of many[...]features.The original windows were replaced with new metal windows,unit doors were replaced[...]and the original cedar wall claddings w,ere replaced with vinyl siding.Subsequent changes occurred in the 1990s,when the single-level,ground- related units in the complex were upgraded for ADA accessibility. Kitchens and bathrooms in the individual housing units were also substantially renovated at this time(Elder et al.2010:2-6,2-7). Wednesday,October 21,2015 Page 3 of 5 4tAEOLOOF Historic Inventory ReportiRTMENT ISTORIC PRESERVATION mf ,Yre Hx hM1r Major Buerge, David M. Bibliographic 1989 Renton,Where the Water Took Wing:An Illustrated History.Windsor Publications, Inc.,Chatsworth,References: California. City of Renton 1989 Community Profile. Renton Department of Community Development,Renton, Washington. Elder,J.Tait, Melissa Cascella,and Christopher Hetzel 2010 Cultural Resources Survey Report: Potential Sunset Terrace Redevelopment Subarea and NE Sunset Boulevard. Prepared for City of Renton and Renton Housing Authority. ICF International,Seattle. Schumacher,James 2015 Cultural Resources Assessment for the Sunset Court Apartments Project, Renton,Washington. Prepared for Berk Consulting.CRC Technical Memo 1507F-1. Cultural Resource Consultants, Inc., Bainbridge Island. Wednesday,October 21,2015 Page 4 of 5 DEPARTMENT OF1ARCHAEOLOGY Historic Inventory ReportARCHAEOLOGY& HISTORIC PRESERVATION Photos o. Renton Highlands Scenes meµ - 41..' 4 4...., 7,-.M6--....al,:-:,,,.. 7It .W M i t7t'17 Source: http://www.rentonhousing.org/history.html West elevation Neighborhood 2015 1943 Wednesday,October 21,2015 Page 5 of 5 A5ARTM IIOF Historic Inventory Report4rHISlRICPRESBtVATION Autnf#+e ttS moefhea4 Location Field Site No. DAHP No. Historic Name: 1156 Glennwood Avenue NE,Renton Common Name: Property Address: 1156 Glennwood Ave NE,Renton,WA 98056 Comments: Tax No./Parcel No. 7227801665 Plat/Block/Lot Acreage Supplemental Map(s) Township/Range/EW Section 1/4 Sec 1/4l1/4 Sec County Quadrangle T23R05E 09 King MERCER ISLAND Coordinate Reference Easting: 1224659 Northing: 795396 i Projection: Washington State Plane South Datum: HARN(feet) Identification Survey Name: Cultural Resources Assessmentlfor the Sunset Date Recorded: 09/03/2015 Court Apartments Project, Renton Field Recorder: James Schumacher Owner's Name: Renton Housing Authority 1 Owner Address: 2900 NE 10th Street City:'Renton State: WA Zip: 98056 Classification:Building Resource Status: Comments: Survey/Inventory Within a District? Not Identified - Contributing? National Register: Local District: National Register District/Thematic Nomination Name: Eligibility Status: Determined Not Eligible-SHPO Determination Date: 9/22/2015 Determination Comments: 091010-31-HUD-CDBG determined on 9/22/2015 Wednesday,October 21,2015. Page 1 of 5 ErisizioEtzGo% Historic Inventory Report ORIC PRESQtVAiION 1' tectYcH.sfµoeMeFAue Description Historic Use: Domestic-Multiple Family House Current Use: Domestic-Multiple Family House Plan: Rectangle Stories: 1 Structural System: Platform Frame Changes to Plan: Intact Changes to Interior: Unknown Changes to Original Cladding: Slight Changes to Windows: Extensive Changes to Other: Unknown Other(specify): Style:Cladding: Roof Type: Roof Material: Modern-Minimal Wood-Clapboard Gable-Side Gable Asphalt/Composition- Traditional Shingle Foundation: Form/Type: Concrete-Poured Multi-Family-Duplex Narrative Study Unit Other Architecture/Landscape Architecture Date of Construction: 1943 Built Date Builder: Engineer: Architect: Property appears to meet criteria for the National Register of Historic Places:No Property is located in a potential historic district(National and/or local):unknown Property potentially contributes to a historic district(National and/or local): Wednesday,October 21,2015 Page 2 of 5 DE RTMENTOF Historic Inventory ReportARGGHHAEOLOCaY& HISY,ORIC PRESHtVAl10N flWrae Rd,91ppe 1Ae fifiAe Statement of In 1940,establishment of the Boeing Company aircraft manufacturing plant brought greater industrial Significance: prosperity to Renton.By 1942 and the entry of the United States into the Second World War,Boeing employed over 40,000 people(Buerge 1989).The exterior of the house was accessible for inventory Schumacher 2015).County assessor information indicated it was built in 1943,during the wartime expansion of Renton's residential neighborhoods. Highlands and North Highlands Much of the existing development in the Highlands is single family and duplex housing,with newer multiple family complexes near Sunset Boulevard N.E.to the north and N.E.4th Street to the south.The single family and duplex homes were originally built by the federal government as temporary housing for Boeing employees during World War II.As the time,the neighborhood was in King County.After the war, in 1946,the neighborhood was annexed to the City of Renton.The majority of these homes have endured and become Renton's main source of low income housing.[...]The housing to the north is dominated by small,duplex and single family structures. Like many of the homes in the Highlands neighborhood,most of the single family and duplex structures in the North Highlands originated as temporary housing for Boeing employees(City of Renton 1989:34-35)." Other than theassociation with Renton's wartime growth,no evidence was identified that would support eligibility of these buildings for state or federal historic registers.The building has been renovated: windows have been replaced and roofing modified.The duplex has Modern characteristics,but does not embody elements that exemplify anoteworthy example of this style. Description of The property was evaluated at a reconnaissance level as part of a cultural resources assessment for the Physical Sunset Court Apartments project,completed for the Sunset Terrace Redevelopment Subarea in'Renton Appearance: Schumacher 2015).This building is a one-story residential duplex built in 1943,according to the King County Assessor.The architect and builder are unknown.The exterior had been moderately modified from the original construction,and appeared in generally fair to poor condition.The building is a one- story wood-frame residential duplex with a rectangular plan and medium-pitch side gable roof.It has non- original windows.The historic physical character of the building was likely compromised in recent decades.Structural upgrades could potentially have been similar to those implemented nearby: . Renton Housing Authority]completed a comprehensive rehabilitation of Sunset Terrace in the 1970s, which resulted in the removal and replacement of many[...]features.The original windows were replaced with new metal windows,unit doors were replaced[...]and the original cedar wall claddings were replaced with vinyl siding.Subsequent changes occurred in the 1990s,when the single-level,ground- related units in the complex were upgraded for ADA accessibility. Kitchens and bathrooms in the individual housing units were also substantially renovated at this time(Elder et al.2010:2-6,.2-7). Wednesday,October 21,2015 Page 3 of 5 4D RiME1VTOGYOF1AEOL & Historic Inventory Report S7 HISYORIC PRESERVA11ON flcrectll F f,Sf+opeM+eFrdue Major Buerge,David M. Bibliographic 1989 Renton,Where the Water Took Wing:An Illustrated History.Windsor Publications,Inc.,Chatsworth, References: California. City of Renton 1989 Community Profile. Renton Department of Community Development, Renton, Washington. Elder,J.Tait,Melissa Cascella,and Christopher Hetzel 2010 Cultural Resources Survey Report:Potential Sunset Terrace Redevelopment Subarea and NE Sunset Boulevard. Prepared for City of Renton and Renton Housing Authority.ICF International,Seattle. Schumacher,James 2015 Cultural Resources Assessment for the Sunset Court Apartments Project, Renton,Washington. Prepared for Berk Consulting.CRC Technical Memo 1507F-1.Cultural Resource Consultants,Inc., Bainbridge Island. Wednesday,October 21,2015 Page 4 of 5 444DEPARTMENT OF ARCHAEOLOGY& Historic Inventory Report HISTORIC PRESERVATION Photos Renton Highlands Scenes e t'` °" mac_11 eitik Source:http://www.rentonhousing.org/history.html Neighborhood North elevation 1943 2015 South elevation 2015 Wednesday,October 21,2015 Page 5 of 5 G E O T E C H 13256 Northeast 20th Street,Suite 16 Bellevue,Washington 98005 CONSULTANTS, INC.425)747-5618 FAX(425)747-856I October 15, 2015 JN 15342 Renton Housing Authority 2900 Northeast 100th Street Renton,Washington 98056 Attention: Mark Gropper via email:mrg@rentonhousing.org Subject: Transmittal Letter—Geotechnical Engineering Study Proposed Housing Development 1144—1158 Harrington Avenue Northeast Renton, Washington Dear Mr. Gropper: We are pleased to present this geotechnical engineering report for the proposed housing development to be constructed in Renton, Washington. ' The scope of our services consisted of exploring site surface and subsurface conditions, and then developing this report to provide recommendations for general earthwork and design criteria for foundations, retaining walls, and stormwater infiltration. This work was authorized by your acceptance of our proposal dated August 11, 2015. The attached report contains a discussion of the study and our recommendations. Please contact us if there are any questions regarding this report, or for further assistance during the design and construction phases of this project. Respectfully submitted, GEOTECH CONSULTANTS, INC. Z0;00.2 ‘. 7q43H7 James H. Strange, P . Associate TRC/JHS: at zC I_: IT` FEB 01 ?a"3 CITY C 7 GEOTECH CONSULTANTS, INC. r GEOTECHNICAL ENGINEERING STUDY Proposed Housing Development 1144—1158 Harrington Avenue Northeast Renton,Washington This report presents the findings and recommendations of our geotechnical engineering study for the site of the proposed housing development to be located in Renton. Development of the property is in the planning stage, and detailed plans were not made available to us. We understand that the development will consist of approximately 50 units. The lowest level of the structures will be close to the existing ground surface. Infiltration of stormwater has been proposed for the project. If the scope of the project changes from what we have described above, we should be provided with revised plans in order to determine if modifications to the recommendations and conclusions of this report are warranted. SITE CONDITIONS SURFACE The Vicinity Map, Plate 1, illustrates the general location of the irregularly-shaped site in Renton. The site is bordered to the west by Harrington Avenue Northeast, to the east by Harrington Place Northeast, to the south by a multi-story condominium building, and to the north by three multi-family buildings. The ground surface within the site slopes very slightly down toward the south. The western portion of the site is developed with two, one-story duplexes and a few detached sheds. The duplex yards are vegetated with grass lawns and a few landscaping bushes and trees. Most of the eastern side of the site is a public park, with a few children's play structures. The area around those structures is surrounded by shredded bark, and the remainder of the park is grass lawn. The northeast corner of the site is undeveloped, and vegetated with field grass and a few mature deciduous trees. A concrete retaining wall is located along the south edge of the site. This wall has a height of about 2 to 4 feet, and faces a cut for the adjacent southern parking area. SUBSURFACE The subsurface conditions were explored by excavating 10 test pits and three hand-augered test holes at the approximate locations shown on the Site Exploration Plan, Plate 2. Our exploration program was based on the proposed construction, anticipated subsurface conditions and those encountered during exploration, and the scope of work outlined in our proposal. The test pits were excavated on August 25, 2015 with a rubber-tired backhoe. A geotechnical engineer from our staff observed the excavation process, logged the test pits, and obtained representative samples of the soil encountered. "Grab" samples of selected subsurface soil were collected from the backhoe bucket. The Test Pit Logs are attached to this report as Plates 3 through 7. The test holes were excavated on September 14, 2015 using hand tools. A geotechnical engineer from our staff conducted and logged the test holes. The Test Hole Logs are attached to this report as Plates 8 and 9. GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 2 Soil Conditions The;test pits and test holes generally encountered about one foot of topsoil at the ground surface. Test Pit 10, located near the southwest corner of the site, revealed 1.5 feet of fill overlying topsoil. Test Hole 3, close to the play structures in the-southeast corner of the site, encountered shredded bark, geotextile, and gravel that extended to a depth of about 1.3 feet; no topsoil,was exposed by that exploration. Test Pit 6 was located between the park and Harrington Place Northeast, and revealed a few inches of gravel but no topsoil. Below the topsoil and the surface material described above, the explorations encountered sand with gravel that was loose to medium-dense. This sand extended to depths of 2 to 6 feet, and was medium-dense within about 3 feet of the ground surface. The sand with gravel extended to the greatest depths in the northeast third of the site. The sand with gravel was underlain 'by medium- dense to dense silty sand with gravel in the explorations, with the exception of those in which we completed infiltration testing, as described below. The silty sand with gravel has been glacially- overridden, has very low permeability, and is referred to as glacial till. Groundwater Conditions No groundwater seepage was observed in the test pits or test holes. It should-be noted that groundwater levels vary seasonally with rainfall and other factors. We anticipate that perched groundwater could be found above the silty sands encountered in our explorations, especially during the normally wet winter and spring months. The stratification lines on the logs represent the approximate boundaries between soil types at the exploration locations. The actual transition between soil types may be gradual, and subsurface conditions can vary between exploration locations. The logs provide specific subsurface information only at the locations tested. The relative densities and moisture descriptions indicated on the test pit logs are interpretive descriptions based on the conditions observed during excavation. The compaction of test pit backfill was not in the scope of our services. Loose soil will therefore be found in the area of the test pits. If this presents a problem, the backfill will need to be removed and replaced with structural fill during construction. INFILTRATION TESTING We conducted EPA falling head,infiltration testing at Test Pit 5 at a depth of 2.5 feet and in Test Hole 1 at a depth of 3 feet. As required by the City of Renton,the infiltration testing was completed in general accordance with the procedure outlined in the 2009 Surface Water Design Manual. The final measured infiltration rate at Test Pit 5 was 96 inches' per hour, and the measured rate at Test Hole 1 was 60 inches per hour. Impermeable silty sand/glacial till soil was encountered in our test holes at the following depths: Test Pit 1' ' 2 3 " 4 5* 6 •7 8 ' 9 10 Depth 2 3 5.5 6 2.5+ 6 5 3.5 3.5 4 " Test Hole 1*. 2 3 , Depth 3+ 3.8 2.5 Test Pit 5 and Test Hole 1 were infiltration holes and were not excavated to the glacial till. LABORATORY TESTING We obtained a sample from a depth of 2 feet in Test Pit 2 and provided that sample to an analytical laboratory. That facility determined that the Cation Exchange Capacity of the sample was 3.81 and the Total Organic Carbon was 0.528%. GEOTECH CONSULTANTS, INC. Renton Housing Authority JN 15342 October 15, 2015 Page 3 CONCLUSIONS AND RECOMMENDATIONS GENERAL THIS SECTION CONTAINS A SUMMARY OF OUR STUDY AND FINDINGS FOR THE PURPOSES OF A GENERAL OVERVIEW ONLY. MORE SPECIFIC RECOMMENDATIONS AND CONCLUSIONS ARE CONTAINED IN THE REMAINDER OF THIS REPORT ANY PARTY RELYING ON THIS REPORT SHOULD READ THE ENTIRE DOCUMENT The test pits conducted for this study encountered native, medium-dense soil within a few feet of the ground surface. Conventional footings bearing directly on that material will be appropriate for the structure foundations. The sand and gravel soils present below the surficial topsoil has high permeability, as our infiltration testing demonstrates, and stormwater infiltration in that material is feasible. However, the underlying dense glacial till soil has very low permeability and water will accumulate above it and develop a perched water condition. We expect that most surface water at the site in its current condition infiltrates through the topsoil and sandy soil, and is then essentially prevented from continuing to flow any deeper by glacial till. A proper, designed infiltration system will need to be extremely shallow to duplicate the current condition. As the 2009 Surface Water Design Manual requires, any infiltration system should introduce water at least 3 feet above the surface of the low-permeability silty sand/glacial till. Shallow permeable pavement could work in certain areas and depths at the site, but we recommend that any infiltration systems for concentrated flow (roof runoff) or excavated infiltration systems (drywells/trenches) be avoided as the clearance to the glacial till is not available in most areas of the site. Additionally, no infiltration system should be located within 75 feet of the retaining wall at the south edge of the property. In our opinion, a design infiltration rate of 2 inches per hour can be can be used for the permeable pavement infiltration. The erosion control measures needed during the site development will depend heavily on the weather conditions that are encountered. We anticipate that a silt fence will be needed around the downslope sides of any cleared areas. Existing pavements, ground cover, and landscaping should be left in place wherever possible to minimize the amount of exposed soil. Rocked staging areas and construction access roads should be provided to reduce the amount of soil or mud carried off the property by trucks and equipment. Wherever possible, the access roads should follow the alignment of planned pavements. Trucks should not be allowed to drive_off of the rock-covered areas. Cut slopes and soil stockpiles should be covered with plastic during wet weather. Following clearing or rough grading, it may be necessary to mulch or hydroseed bare areas that will not be immediately covered with landscaping or an impervious surface. On most construction projects, it is necessary to periodically maintain or modify temporary erosion control measures to address specific site and weather conditions. The drainage and/or waterproofing recommendations presented in this report are intended only to prevent active seepage from flowing through concrete walls or slabs. Even in the absence of active seepage into and beneath structures, water vapor can migrate through walls, slabs, and floors from the surrounding soil, and can even be transmitted from slabs and foundation walls due to the concrete curing process. Water vapor also results from occupant uses, such as cooking and bathing. Excessive water vapor trapped within structures can result in a variety of undesirable conditions, including, but not limited to, moisture problems with flooring systems, excessively moist air within occupied areas, and the growth of molds, fungi, and other biological organisms that may be harmful to the health of the occupants. The designer or architect must consider the potential vapor sources and likely occupant uses, and provide sufficient ventilation, either passive or mechanical,to prevent a build up of excessive water vapor within the planned structure. Geotech Consultants, Inc. should be allowed to review the final development plans to verify that the recommendations presented in this report are adequately addressed in the design. Such a plan review would be additional, work beyond the current scope of work for this study, and it may include revisions to our recommendations to accommodate site, development, and geotechnical constraints that become more evident during the review process. GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 4 We recommend including this report, in its entirety, in the project contract documents. This report should also be provided to any future property owners so they will be aware of our findings and recommendations. SEISMIC CONSIDERATIONS In accordance with the International Building Code (IBC), the site soil profile within 100 feet of the ground surface is best represented by Site Class Type D (Stiff Site Class). As noted in the USGS website, the mapped spectral acceleration value for a 0.2 second (Ss) and 1.0 second period (Si) equals 1.43g and 0.54g, respectively. • The IBC states that a site-specific seismic study need not be performed provided that the peak ground acceleration be equal to Sos/2.5, where Sos is determined in ASCE 7. It is noted that Sos is equal to 2/3Sms. SMS equals Fa times Ss,where Fa is determined in Table 11.4-1. For our site, Fa = 1.0. The calculated peak ground acceleration that we utilized for the seismic-related parameters (earth pressures and seismic surcharges)of this report equals 0.38g. The site soils are not susceptible to seismic liquefaction because of their medium-dense to dense nature and the absence of near-surface groundwater. CONVENTIONAL FOUNDATIONS The proposed structure can be supported on conventional continuous and spread footings bearing on undisturbed, medium-dense, native soil. We recommend that continuous and individual spread footings have minimum widths of 12 and 16 inches, respectively. Exterior footings should also be bottomed at least 18 inches below the lowest adjacent finish ground surface for protection against frost and erosion. The local building codes should be reviewed to determine if different footing widths or embedment depths are required. Footing subgrades must be cleaned of loose or disturbed soil prior to pouring concrete. Depending upon site and equipment constraints,this may require removing the disturbed soil by hand. An allowable bearing pressure of 2,500 pounds per square foot (psf) is appropriate for footings supported on competent native soil. A one-third increase in this design bearing pressure may be used when considering short-term wind or seismic loads. For the above design criteria, it is anticipated that the total post-construction settlement of footings founded on competent native soil will be about one-inch, with differential settlements on the order of one-half-inch in a distance of 30 feet along a continuous footing with a uniform load. Lateral loads due to wind or seismic forces may be resisted by friction between the foundation and the bearing soil, or by passive earth pressure acting on the vertical, embedded portions of the foundation. For the latter condition, the foundation must be either poured directly against relatively level, undisturbed soil or be surrounded by level, well-compacted fill. We recommend using the following ultimate values for the foundation's resistance to lateral loading: PARAMETER ULTIMATE VALUE Coefficient of Friction 0.45 Passive Earth Pressure 350 pcf Where: pcf is Pounds per Cubic Foot, and Passive Earth Pressure is computed using the equivalent fluid density. If the ground in front of a foundation is loose or sloping, the passive earth pressure given above will not be appropriate. We recommend maintaining a safety factor of at least 1.5 for the foundation's resistance to lateral loading,when using the above ultimate values. GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 5 FOUNDATION AND RETAINING WALLS Retaining walls backfilled on only one side should be designed to resist the lateral earth pressures imposed by the soil they retain. The following recommended parameters are for walls that restrain level backfill: PARAMETER VALUE Active Earth Pressure*35 pcf Passive Earth Pressure 350 pcf Coefficient of Friction 0.45 Soil Unit Weight 130 pcf Where: pcf is Pounds per Cubic Foot, and Active and Passive Earth Pressures are computed using the equivalent fluid pressures. For a restrained wall that cannot deflect at least 0.002 times its height,a uniform lateral pressure equal to 10 psf times the height of the wall should be added to the above active equivalent fluid pressure. The design values given above do not include the effects of any hydrostatic pressures behind the walls and assume that no surcharges, such as those caused by slopes, vehicles, or adjacent foundations will be exerted on the walls. If these conditions exist, those pressures should be added to the above lateral soil pressures. Where sloping backfill is desired behind the walls, we will need to be given the wall dimensions and the slope of the backfill in order to provide the appropriate design earth pressures. The surcharge due to traffic loads behind a wall can typically be accounted for by adding a uniform pressure equal to 2 feet multiplied by the above active fluid density. Heavy construction equipment should not be operated behind retaining and foundation walls within a distance equal to the height of a wall, unless the walls are designed for the additional lateral pressures resulting from the equipment. The values given above are to be used to design only permanent foundation and retaining walls that are to be backfilled, such as conventional walls constructed of reinforced concrete or masonry. It is not appropriate to use the above earth pressures and soil unit weight to back-calculate soil strength parameters for design of other types of retaining walls, such as soldier pile, reinforced earth, modular or soil nail walls. We can assist with design of these types of walls, if desired. The passive pressure given is appropriate only for a shear key poured directly against undisturbed native soil, or for the depth of level, well-compacted fill Placed in front of a retaining or foundation wall. The values for friction and passive resistance are ultimate values and do not include a safety factor. Restrained wall soil parameters should be utilized for a distance of 1.5 times the wall height from corners or bends in the walls. This is intended to reduce the amount of cracking that can occur where a wall is restrained by a corner. Wall Pressures Due to Seismic Forces - The surcharge wall loads that could be imposed by the design earthquake can be modeled by adding a uniform lateral pressure to the above-recommended active pressure. The recommended surcharge pressure is 8H pounds per square foot(psf),where H is the design retention height of the wall. Using this increased pressure, the safety factor against sliding and overturning can be reduced to 1.2 for,the seismic analysis. Retaining Wall Backfill and Waterproofing Backfill placed behind retaining or foundation walls should be coarse, free-draining structural fill containing no organics. This backfill should contain no more than 5 percent silt or clay particles land GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 6 have no gravel greater than 4 inches in diameter. The percentage of particles passing the No.4 sieve should be between 25 and 70 percent. If the native sand or silty sand is used as backfill,a drainage composite similar to Miradrain 6000 should be placed against the backfilled retaining walls. The drainage composites should be hydraulically connected to the foundation drain system. Free-draining backfill or gravel should be used for the entire width of the backfill where seepage is encountered.)) For increased protection, drainage composites should be placed along cut slope faces, and-the walls should be backfilled entirely with free-draining soil. The later section entitled Drainage Considerations should also be reviewed for recommendations related to subsurface drainage behind foundation and retaining walls. The purpose of these backfill requirements is to ensure that the design criteria for a retaining wall are not exceeded because- of a build-up of hydrostatic pressure behind the wall. Also, subsurface drainage systems are not intended to handle large volumes of water from surface runoff. The top 12 to 18 inches of the backfill should consist of a compacted, relatively impermeable soil or topsoil, or the surface should be paved. The ground surface must alsorslope away from backfilled walls to reduce the potential for surface water to percolate into the backfill. Water percolating through pervious surfaces (pavers, gravel, permeable pavement, etc.) must also be prevented from flowing toward walls or into the backfill zone. The compacted subgrade below pervious surfaces and any associated drainage layer should therefore be sloped away. Alternatively, a membrane and subsurface collection system could be provided below a'pervious surface. It is critical that the wall backfill be placed in lifts and be properly compacted, in order for the above- recommended design earth pressures to be appropriate. The wall design criteria assume that the backfill will be well-compacted in lifts no thicker than 12 inches. The compaction of backfill near the walls_should be accomplished with hand-operated equipment to prevent the walls from being overloaded by the higher soil forces that occur during compaction. The section entitled General Earthwork and Structural Fill contains additional recommendations regarding the placement and compaction of structural fill behind'retaining and foundation walls. The above recommendations are not intended to waterproof below-grade walls, or to prevent the formation of mold, mildew or fungi in interior spaces. Over time, the performance of subsurface drainage systems can degrade, subsurface groundwater flow patterns can change, and utilities can break or develop leaks. Therefore, waterproofing should be provided where future seepage through the walls is not acceptable. This typically includes limiting cold joints and wall penetrations, and using bentonite panels or membranes on the outside of the walls. There are a variety of different waterproofing materials and systems, which should be installed by an experienced contractor familiar with the anticipated construction and subsurface conditions. Applying a thin coat of asphalt emulsion to the outside face of a wall is not considered waterproofing, and will only help to reduce moisture generated from water vapor or capillary action from seeping through the concrete. As with any project, adequate ventilation of basement and crawl space areas is important to prevent a build up of water vapor that is commonly transmitted through concrete walls from the surrounding soil, even when seepage is not present. This is appropriate even when waterproofing is applied to the outside of foundation and retaining walls. We recommend that you contact an experienced envelope consultant if detailed recommendations or specifications related to waterproofing design, or minimizing the potential for infestations of mold and mildew are desired. The General, Slabs-On-Grade, and Drainage Considerations sections should be reviewed for additional recommendations related to the control of groundwater and excess water vapor for the anticipated construction. SLABS-ON-GRADE The building floors can be constructed as slabs-on-grade atop competent native soil, or on structural fill. The subgrade soil must be in a firm, non-yielding condition at the,time of slab construction or underslab fill placement. Any soft areas encountered should be excavated and replaced with select, imported structural fill. GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 7 Even where the exposed soils appear dry, water vapor will tend to naturally migrate upward through the soil to the new constructed space above it. This can affect moisture-sensitive flooring, cause imperfections or damage to the slab, or simply allow excessive water vapor into the space above the slab. All interior slabs-on- grade should be underlain by a capillary break drainage layer consisting of a minimum 4-inch thickness of clean gravel or crushed rock that has a fines content (percent passing the No. 200 sieve) of less than 3 percent and a sand content (percent passing the No. 4 sieve) of no more than 10 percent. Pea gravel or crushed rock are typically used for this layer. As noted by the American Concrete Institute (ACI) in the Guides for Concrete Floor and Slab Structures, proper moisture protection is desirable immediately below any on-grade slab that will be covered by tile,wood, carpet, impermeable floor coverings, or any moisture-sensitive equipment or products. ACI also notes that vapor retarders such as 6-mil plastic sheeting have been used in the past, but are now recommending a minimum 10-mil thickness for better durability and long term performance. A vapor retarder is defined as a material with a permeance of less than 0.3 perms, as determined by ASTM E 96. It is possible that concrete admixtures may meet this specification, although the manufacturers of the admixtures should be consulted. Where vapor retarders are used under slabs, their edges should overlap by at least 6 inches and be sealed with adhesive tape. The sheeting should extend to the foundation walls for maximum vapor protection. If no potential for vapor passage through the slab is desired, a vapor barrier should be used. A vapor barrier, as defined by ACI, is a product with a water transmission rate of 0.01 perms when tested in accordance with ASTM E 96. Reinforced membranes having sealed overlaps can meet this requirement. The General, Permanent Foundation and Retaining Walls, and Drainage Considerations sections should be reviewed for additional recommendations related to the control of groundwater and excess water vapor for the anticipated construction. EXCAVATIONS AND SLOPES Excavation slopes should not exceed the limits specified in local, state, and national government safety regulations. Temporary cuts to a depth of about 4 feet may be attempted vertically in unsaturated soil, if there are no indications of slope instability. However, vertical cuts should not be made near property boundaries, or existing utilities and structures. Based upon Washington Administrative Code (WAC) 296, Part N, the soil at the subject site would generally be classified as Type B. Therefore, temporary cut slopes greater than 4 feet in height should not be excavated at an inclination steeper than 1:1 (Horizontal:Vertical), extending continuously between the top and the bottom of a cut. The above-recommended temporary slope inclination is based on the conditions exposed in our explorations, and on what has been successful at other sites with similar soil conditions. It is possible that variations in soil and groundwater conditions will require modifications to the inclination at which temporary slopes can stand. Temporary cuts are those that will remain unsupported for a relatively short duration to allow for the construction of foundations, retaining walls, or utilities. Temporary cut slopes should be protected with plastic sheeting during wet weather. It is also important that surface runoff be directed away from the top of temporary slope cuts. Cut slopes should also be backfilled or retained as soon as possible to reduce the potential for instability. Please note that sand or loose soil can cave suddenly and without warning. Excavation, foundation, and utility contractors should be made especially aware of this potential danger. These recommendations may need to be modified if the area near the potential cuts has been disturbed in the past by utility installation, or if settlement-sensitive utilities are located nearby. All permanent cuts into native soil should be inclined no steeper than 2:1 (H:V). Water should not be allowed to flow uncontrolled over the top of any temporary or permanent slope. All permanently exposed slopes should be seeded with an appropriate species of vegetation to reduce erosion and improve the stability of the surficial layer of soil. GEOTECH CONSULTANTS,INC. 1 Renton Housing Authority JN 15342 October 15, 2015 Page 8 DRAINAGE CONSIDERATIONS Footing drains should be used where: (1) crawl spaces or basements will be below a structure; (2) a slab is below the outside grade; or, (3) the outside grade does not slope downward from a building. Drains should also be placed at the base of all earth-retaining walls. These drains should be surrounded by at least 6 inches of 1-inch-minus, washed rock that is encircled with non-woven, geotextile filter fabric (Mirafi 140N, Supac' 4NP, or similar material). At its highest point, a perforated pipe invert should be at least 6 inches below the bottom of a slab floor or the level of a crawl space. The discharge pipe for subsurface drains should be sloped for flow to the outlet point. Roof and surface water drains must not discharge into the foundation drain system. A typical drain detail is attached to this report as Plate 10. For the best long-term performance, perforated PVC pipe is recommended for all subsurface drains. As a minimum, a vapor retarder, as defined in the Slabs-On-Grade section, should be provided in any crawl space area to limit the transmission of water vapor from the underlying soils. Crawl space grades are sometimes left near the elevation of the bottom of the footings. As a result, an outlet drain is recommended for all crawl spaces to prevent an accumulation of any water that may bypass the footing drains. Providing even a few inches of free draining gravel underneath the vapor retarder limits the potential for seepage to build up on top of the vapor retarder. No groundwater was observed during our field work. If seepage is encountered in an excavation, it should be drained from the site by directing it through drainage ditches, perforated pipe, or French drains, or by pumping it from sumps interconnected by shallow connector trenches at the bottom of the excavation. The excavation and site should be graded so that surface water is directed off the site and away from the tops of slopes. Water should not be allowed to stand in any area where foundations, slabs, or pavements are to be constructed. Final site grading in areas adjacent to buildings should slope away at least 2 percent, except where the area is paved. Surface drains should be provided where necessary to prevent ponding of water behind foundation or retaining walls. A discussion of grading and drainage related to pervious surfaces near walls and structures is contained in the Foundation and Retaining Walls section PAVEMENT AREAS The pavement section may be supported on competent, native soil or on structural fill compacted to a 95 percent density. The pavement subgrade must be.in a stable, non-yielding condition at the time of paving. Granular structural fill or geotextile fabric may be needed to stabilize soft, wet, or unstable areas. To evaluate pavement subgrade strength, we recommend that a proof roll be completed with a loaded dump truck immediately before paving. In most instances where unstable subgrade conditions are encountered, an - additional 12 inches of granular structural fill will stabilize the subgrade, except for very soft areas where additional fill could be required. The subgrade should be evaluated by Geotech Consultants, Inc., after the,site is stripped and cut to grade. Recommendations for the compaction of structural fill beneath pavements are given in the section entitled General lEarthwork and Structural Fill. The performance of site pavements is directly related to the strength and stability of the underlying subgrade. The pavement for lightly loaded traffic and parking areas should consist of 2 inches of asphalt concrete (AC) over 4 inches of crushed rock base (CRB) or 3 inches of asphalt-treated base (ATB). We recommend providing heavily loaded areas with 3 inches of AC over 6 inches of CRB or 4 inches of ATB. Heavily loaded areas are typically main driveways, dumpster sites, or areas with truck traffic. Increased maintenance and more frequent repairs should be expected if thinner pavement sections are used. Water from planter areas and other sources should not-be allowed to infiltrate into the pavement subgrade. The pavement section recommendations and guidelines presented in this report are based on our experience in the area and,on what has been successful in similar situations. ((We can provide recommendations based on expected traffic loads and California Bearing Ratio (CBR) tests, if requested.)) As with any pavements, some maintenance and repair of limited areas can be expected as the pavement ages. Cracks in the pavement should be sealed as soon as possible after they become evident, in order to reduce the potential for GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 9 degradation of the subgrade from infiltration of surface water. For the same reason, it is also prudent to seal the surface of the pavement after it has been in use for several years. To provide for a design without the need for any maintenance or repair would be uneconomical. GENERAL EARTHWORK AND STRUCTURAL FILL All building and pavement areas should be stripped of surface vegetation, topsoil, organic soil, and other deleterious material. It is important that existing foundations be removed before site development. The stripped or removed materials should not be mixed with any materials to be used as structural fill, but they could be used in non-structural areas, such as landscape beds. Structural fill is defined as any fill, including utility backfill, placed under, or close to, a building, behind permanent retaining or foundation walls, or in other areas where the underlying soil needs to support loads. All structural fill should be placed in horizontal lifts with a moisture content at, or near, the optimum moisture content. The optimum moisture content is that moisture content that results in the greatest compacted dry density. The moisture content of fill is very important and must be closely controlled during the filling and compaction process. The allowable thickness of the fill lift will depend on the material type selected, the compaction equipment used, and the number of passes made to compact the lift. The loose lift thickness should not exceed 12 inches. We recommend testing the fill as it is placed. If the fill is not sufficiently compacted, it can be recompacted before another lift is placed. This eliminates the need to remove the fill to achieve the required compaction. The following table presents recommended relative compactions for structural fill: LOCATION OF FILL MINIMUM RELATIVE PLACEMENT COMPACTION Beneath slabs or 95% walkwa s Filled slopes and behind 90% retainin• walls 95%for upper 12 inches of Beneath pavements subgrade; 90% below that level Where: Minimum Relative Compaction is the ratio,expressed in percentages, of the compacted dry density to the maximum dry density, as determined in accordance with ASTM Test Designation D 1557-91(Modified Proctor). Structural fill that will be placed in wet weather should consist of a coarse, granular soil with a silt or clay content of no more than 5 percent. The percentage of particles passing the No.200 sieve should be measured from that portion of soil passing the three-quarter-inch sieve. LIMITATIONS The conclusions and recommendations contained in this report are based on site conditions as they existed at the time of our exploration and assume that the soil and groundwater conditions encountered in the test pits .are representative of subsurface conditions on the site. If the subsurface conditions encountered during construction are significantly different from those observed in our explorations, we should be advised at once so that we can review these conditions and reconsider our recommendations where necessary. Unanticipated conditions are commonly encountered on construction sites and cannot be fully anticipated by merely taking samples in test GEOTECH CONSULTANTS,INC. r Renton Housing Authority JN 15342 October 15, 2015 Page 10 pits. Subsurface conditions can also vary between exploration locations. Such unexpected conditions frequently require making additional expenditures to attain a properly constructed project. It is recommended that the owner consider providing a contingency fund to accommodate such potential extra costs and risks. This is a standard recommendation for all projects. This report has been prepared for the exclusive use of Renton Housing Authority and its representatives for specific application to this project and site. Our conclusions and recommendations are professional opinions derived in accordance with our understanding of current local standards of practice and within the scope of our services. No warranty is expressed or implied. The scope of our services does not include services related to construction safety precautions, and our recommendations are not intended to direct the contractor's methods, techniques, sequences, or procedures, except as specifically described in our report for consideration in design. Our services also do not include assessing or minimizing the potential for biological hazards, such as mold, bacteria, mildew and fungi in either the existing or proposed site development. ADDITIONAL SERVICES Geotech Consultants, Inc. should be retained to provide geotechnical consultation, testing, and observation services during construction. This is to confirm that subsurface conditions are consistent with those indicated by our exploration, to evaluate whether earthwork and foundation construction activities comply with the general intent of the recommendations presented in this report, and to provide suggestions for design changes in the event subsurface conditions differ from those anticipated prior to the start of construction. However, our work would not include the supervision or direction of the actual work of the contractor and its employees or agents. Also, job and site safety, and dimensional measurements, will be the responsibility of the contractor. During the construction phase, we will provide geotechnical observation and testing services when requested by you or your representatives. Please be aware that we can only document site work we actually observe. It is still the responsibility of your contractor or on-site construction team to verify that our recommendations are being followed, whether we are present at the site or not. The scope of our work did not include an environmental assessment, but we can provide this service, if requested. The following plates are attached to complete this report: Plate 1 Vicinity Map Plate 2 Site Exploration Plan Plates 3 -7 Test Pit Logs Plates 8- 9 Test Hole Logs Plate 10 Typical Footing Drain Detail GEOTECH CONSULTANTS,INC. Renton Housing Authority JN 15342 October 15, 2015 Page 11 We appreciate the opportunity to be of service on this project. Please contact us if you have any questions, or if we can be of further assistance. Respectfully submitted, GEOTECH C•,r. TANTS, INC. 4r of 4s 1 ,. p ifire4if 4„.....w.A. p , 36094 a x .4 4sCISTE 6' d James H. Strange, Jr., P.E. Associate TRC/JHS:at GEOTECH CONSULTANTS,INC. NORTH s-,,..cR "._. ,. 4 t3••' J 7,3 -` ... tsi1'f ri g-,,c=e. sjt ' icr w 551trst i A +F 7:It' cl ,••••f 1r:.e.%, lf. 5 1"" 6 d, q ; j• hi. "`+'13. YR t L : yfu1'` ".ty b "+ ' ' `1'..v,. ., iS Y,.. 4d,. . 7fr '_"' jam, d , S7.»' . , ;E. i'1 41_ >,. . k 4 fir• i,i $ l 11: D:... s a= tee" 1 c_ Rya b 3 N . 4,tAff.,tkv.aM ,_. , ai;. -, 1'- gip, R. 1f..4. j i . 4 t SITE ¢: A q r 4 'S".., xS fit U Q % a r 7-7'- Dtt= Ifh3 - 614` L• ..N 7 fp ,. - _ ..if r a . .11Ee;"- ;ak ar t".:. . ..,.-;:':-'.2. '.IA ''..-..:- :.1 , , 1,..-.. ...: le_ 1,7;121 .. iJkL%1 1 , ... . • . - . I: . ., ,. :. -'..____: .--Ai): .:17i-1-..,m tr..::'..,:t.11..-'.. ..::. ::: . ,it ':• i• ,- .:4k,,,,i,,,:* •••••• ... , . -.':.-I ..::. •i, • , -.-•„:- •.,* . -'. , -•:: .41.. ,-• .:.•:''. .Irk 1 6. 'Jr f;.. vF, ':.. h``i 'i ` ,.3sr";`ig-`" r. P', ""7• .:',y _n _ _ ohnr _ aC,tis- 1..rd ..,..- i-v wdro..va.LiE..,n.{+, q") .• N .,::. , "4. " . • : .%' :; ',., 1:1 { *4006Ya vei., < • : Source:Microsoft MapPoint,2013) 44 VICINITY MAP • GEOTECH 1144 - 1158 Harrington Avenue NE CONSULTANTS,INC. Renton, Washington Job No:Date: Plate: 15342 Oct.2015 1 GEOTECH CONSULTANTS,INC. NORTH I y I sue - IrrIE;L1J 4, TP-4 a n TP-9 s TP-5 TP-3 w 45,,* ir 5: 4'1,1i / Q i a 1.,.. SITE z w‘,.,, ,TP-2 t....;-.4„; V„.Al. r2 oli i i,'-•*, '-cc 4ccii 0 TP:1, 4„,! ITO ... i t i I 0 TH-3 2} COMMERCIA4/ ie s Legend: 51 Test Pit Location Q Test Hole Location SITE EXPLORATION PLAN t GEOTECH 1144 - 1158 Harrington Avenue NE CONSULTANTS,INC.Renton, Washington L..„.__,.,Job No:Date: Plate: 15342 Oct.2015 No Scale 2 GEOTECH CONSULTANTS,INC. ti` l TEST PIT 1 a' e e G5peQbo` y oo •Sa J5 Description Grass over topsoil gW Brown SAND,fine to coarse-grained, moist, loose SM Brown slightly silty SAND with gravel,fine to coarse-grained, moist, medium-dense becomes dense 5 — Test Pit terminated at 5 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— e a TEST PIT 2 trot 0`'/AA0 GS Go• Go 'Ca J Description Grass over topsoil 8W Brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense Gray-brown slightly silty SAND with gravel,fine to coarse-grained, moist, medium-dense becomes dense 5 — ill Test Pit terminated at 5.5 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST PIT LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washingtons` I Job Date: Logged by: Plate: 15342 Oct.2015 TRC 3 GEOTECH CONSULTANTS,INC. TEST PIT 3 tir`eo ti aa e 5GG Description Grass over topsoil SW Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense Pa o ooc oo; s° Oo°U oa -reduced gravel content, becomes gray 5 — ooe0oa SM Gray-brown silty SAND with gravel,fine to coarse-grained, moist, medium-dense becomes dense Test Pit terminated at 7.5 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— 01 o40 0. aete TEST PIT 4 ce? woo- -vK' JAG Description Grass over topsoil a,. Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense oe; o„ WA, 00$p o reduced gravel content, becomes gray000,a 5 — oa c r.A.! Gray-brown silty SAND with gravel,fine to coarse-grained, moist, medium-dense 1 1 1l 1 1! -becomes dense Test Pit terminated at 8 feet on August 25, 2015.- No groundwater seepage was observed during excavation. 10— No caving observed during excavation. TEST PIT LOG4.40 GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Log ged by: Plate: 15342 Oct.2015 TRC 4 GEOTECH CONSULTANTS,INC. i `l TEST PIT 5 0° 4' °c°46 se SG Description Grass over topsoil sw Gray-brown SAND with gravel,fine to'coarse-grained, moist, loose to medium-dense g`e Test Pitlterminated at 2.5 feet on August 25, 2015. No groundwater seepage was observed during excavation. 5 — No caving observed during excavation. 10— TEST PIT 6 40 r`let OAkee fat• G5Oe9 Go .a J5 Description Gravel over: d SW Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense o''e a: -reduced gravel content, becomes gray oog o°. 5 — ao ood ooe SM Rust-brown mottled gray-brown silty SAND with gravel,fine to coarse-grained, moist, 11I medium-dense Test Pit terminated at 7.8 feet on August 25,2015. No groundwater seepage was observed during excavation. 10— No caving observed during excavation. TEST PIT LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Logged b89Y Plate: 15342 Oct.2015 TRC 5 GEOTECH CONSULTANTS,INC. tir `oeJ e``ate 5 TEST PIT 7 peQ G°° a J`'Description Grass over topsoil r sw' 2 Brown SAND with gravel, fine to coarse-grained, moist, loose to medium-dense becomes,medium-densea° na e0"7,1 f o.'5 — Gray-brown slightly silty SAND with gravel,fine to coarse-grained, moist,SM 11 mPriium-riRosp to dinsc Test Pit terminated at 6 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— to e TEST PIT 8 tir\ 0` 5,eo a' e\ e G5peQ Go . a1 J`'Description Grass over topsoil aw Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense 000 zeoa9O Gray-brown slightly silty SAND with gravel,fine to coarse-grained, moist, dense 5 — Test Pit terminated at 4 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST PIT LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. Renton, Washington Job Date: Logged by: Plate: 15342 Oct.2015 TRC 6 1 LU I IzUI1 I:UNJUL I HN I J,'NU. ti` 11 t TEST PIT 9 G° A1/40 aAz `G5 Description Grass over topsoil sw Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense i`arb ooc op°ooe n It SM I Gray-brown slightly silty SAND with gravel,fine to coarse-grained, moist,dense 5 — Test Pit terminated at 4 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving!observed during excavation. 101— TEST PIT 10 2915 °600•, e o5 0 G Sa J5 Description FILL Grass over brown silty SAND with gravel,fine to coarse-grained, moist, loose(FILL) Topsoil oSW Gray-brown SAND with gravel,fine to coarse-grained, moist, medium-dense R Gray-brown slightly siltySAND withgravel,fine to coarse-grained, moist,denseY- 9 Y e-9 5 Test Pit terminated at 4.5 feet on August 25, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST PIT LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INCRenton, Washington Job Date: Logged by: Plate: 15342 Oct.2015 - TRC 7 GEOTECH CONSULTANTS,INC. e TEST HOLE 1 1/4`o` 13te a,,\e o5 Oe o° aa J5 Description Grass over topsoil Brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense becomes medium-dense,and gray-brown00. Test Hole terminated at 3 feet on September 14, 2015. No groundwater seepage was observed during excavation. 5 — No caving observed during excavation. 10 e o TEST HOLE 2 Lit tip et kr 0` 5 e vga G5 p ' o° a J`'Description Grass over topsoil SW : Brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense 000°. g` os p -becomes medium-dense Gray silty SAND with gravel,fine to coarse-grained, moist,dense 5 — Test Hole terminated at 4 feet on September 14, 2015. No groundwater seepage was observed during excavation. No caving observed during excavation. 10— TEST HOLE LOG GEOTECH 1144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC. A Job Renton, Washington Date: Logged---r . 95 by: Plate: 15342 Oct.2015 TRC 8 GEOTECH CONSULTANTS,INC. s k ft kf ti t TEST HOLE 3 cr MCP VI? J Description One foot of shredded bark over geotextile over 3 inches of gravel over geotextile SW < Gray-brown SAND with gravel,fine to coarse-grained, moist, loose to medium-dense Gray silty SAND with gravel,fine to coarse-grained, moist, medium-dense to denseymr,.. Test Hole terminated at 2.7 feet on September 14,2015. No groundwater seepage was observed during excavation. 5 — No caving observed during excavation. 10— TEST HOLE. LOG IVGEOTECH 1.144 - 1158 Harrington Avenue Northeast CONSULTANTS,INC.' Renton, Washington Job Date: Logged by: Plate: 15342 Oct.2015 TRC 9 GEOTECH CONSULTANTS,INC. Slope backfill away from foundation. Provide surface drains where necessary. r Tightline Roof Drain 10 Do not connect to footing drain) Backfill See text for requirements) a c.1, If O Ilk Nonwoven Geotextile li- 1 Filter Fabric 4,Aci Washed Rock Possible Slab 718"min.size) 4 - 0-0 V , P ,° •A'•.p .°:..p.•p. 0:p:.Q.,':D •Q.,Q:D.•Q.-''' ..p;Q•.p••p P°o P P°O°P t shy Ppy PO°.'f P°o':7P PO°p0° PO°•POtfOI •POp°Q 114 Y f dO 0., .q 0 O ,, OAP 0 0.O-.0 . .,oo°O°Oo y Q e •. p O o. moo, o'. 0.0• oe•a. O 5 W iS„t.,rr ,pro. O O .o °•• • .op c,°a o,•. J°0°0 '°°°O w 3< g .:" a " ' .. 4; c •'o ....b.n.b..ti.'.b. .o•.c.b .• 0 0 • c ° II IIII I•IIIt llll'. 4" min. P°°°° ° O°° IIIIIlII-1 Vapor Retarder/Barrier andr \- p Capillary Break/Drainage Layer Refer to Report text) 4" Perforated Hard PVC Pipe Invert at least 6 inches below slab or crawl space. Slope to drain to appropriate outfall. Place holes downward.) NOTES: 1) In crawl spaces, provide an outlet drain to prevent buildup of water that bypasses the perimeter footing drains. 2) Refer to report text for additional drainage,waterproofing, and slab considerations. FOOTING DRAIN DETAIL411GEOTECH1144 - 1158 Harrington Avenue NE CONSULTANTS,INC. Renton, Washington Job No:Date: Plate:5- 15342 Oct.2015 10 GEOTECH CONSULTANTS,INC. Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Face Page rod I.; ito 44-1 3•. YJv COMMITMENT FOR TITLE INSURANCE Issued by FIRST AMERICAN TITLE INSURANCE COMPANY First American Title Insurance Company, herein called the Company, for valuable consideration, hereby commits to issue its policy or policies of title insurance, as identified in Schedule A, in favor of the' proposed Insured named in Schedule A, as owner or mortgagor of the estate or interest covered hereby in the land described or referred to in Schedule A, upon payment of the premiums and charges therefor; all subject to the provisions of Schedules A and'B and to the Conditions and Stipulations hereof. This Commitment shall be effective only when the identity of the proposed Insured and the amount of the policy or policies committed for have been inserted in Schedule A hereof by the Company, either at the time of the issuance of the Commitment or by subsequent endorsement. This Commitment if preliminary to the issuance of such policy or policies of title insurance and all liability and obligations hereunder shall cease and terminate six (6).months after the effective date hereof or when the policy or policies committed for shall issue, whichever first occurs, provided that the failure to issue such policy or policies is not the fault of the Company. This Commitment shall not be valid or binding until countersigned by an authorized officer or agent. IN WITNESS WHEREOF, the Company has caused this commitment to be signed, to become valid when countersigned by an authorized officer or agent of the Company, all in accordance with its By- Laws. This Commitment is effective as of the date shown in Schedule A as"Effective Date." First American Title insurance Company Dennis J.Gilmore President Jeffrey S.Robinson Secre€ary CE. . ED Ft6 01 2016 c Gati C;D: RIBNTOG`I PLANNING DIVISION First American"Tit/e Insurance Company r Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No. 1 ASS Aki kf avAr First American Title Insurance Company National Commercial Services 818 Stewart Street, Suite 800, Seattle, WA 98101 206)728-0400 - (800)526-7544 FAX(206)448-6348 Lavonne Bowman Tina Kotas 206)615-3269 206)615-3053 lavbowman@firstam.com tkotas@firstam.com To: Ally Community Development File No.: NCS-704323-WA1 5220 25th Ave SW Your Ref No.: RHA/Shelter Resources Seattle,WA 98106 Attn: Juanita McLaughlin FIFTH REPORT SCHEDULE A 1. Commitment Date: January 05, 2016 at 7:30 A.M. 2.Policy or Policies to be issued: AMOUNT PREMIUM TAX Extended Mortgagee's Covereage To follow $ To follow $ To follow Proposed Insured: To follow 3. The estate or interest in the land described on Page 2 herein is Fee Simple, and title thereto is at the effective date hereof vested in: City of Renton, a municipal corporation as to Parcel A,The Housing Authority of the City of Renton, a public body corporate and politic as to Parcel B and Renton Housing Authority,a municipal corporation as to Parcels C and D 4. The land referred to in this Commitment is described as follows: The land referred to in this report is described in Exhibit"A"attached hereto. First American Title Insurance Company L Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.2 EXHIBIT 'A' LEGAL DESCRIPTION: PARCEL A: THAT PORTION OF PUBLIC USE AREA ADJACENT TO TRACT 46B IN BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2,AN ADDITION TO THE CITY OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON, LYING SOUTH OF A LINE DESCRIBED AS FOLLOWS: BEGINNING AT THE SOUTHEAST CORNER OF LOT 21, BLOCK 46 OF SAID PLAT; THENCE EAST TO THE SOUTHWEST CORNER OF TRACT 46A OF SAID PLAT; AND LYING NORTH OF THE FOLLOWING DESCRIBED LINE: BEGINNING AT THE SOUTHWEST CORNER OF LOT 19, BLOCK 46 OF SAID PLAT; THENCE SOUTH 03°35'47"WEST 25.58 FEET FROM THE SOUTHWEST CORNER OF SAID LOT 19; THENCE SOUTH 86°34'36" EAST 200.80 FEET TO THE CENTERLINE OF VACATED HARRINGTON PLACE NORTHEAST AND THE TERMINUS OF SAID'LINE; TOGETHER WITH A 10 FOOT WALKWAY LYING BETWEEN TRACTS 46A AND 46B OF SAID PLAT AND BETWEEN LOTS 20 AND 21 OF SAID BLOCK 46. PARCEL A-1: PORTION OF TRACT 46B OF BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2,AN ADDITION TO THE CITY OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON,AND THAT PORTION OF VACATED HARRINGTON PLACE NORTHEAST(FORMERLY 12TH PLACE), DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE WESTERLY LINE OF TRACT 46B AND THE NORTHERLY LINE OF A 50 FOOT STRIP OF LAND DEEDED IN AUDITOR'S FILE NO. 6471625; THENCE NORTH 32°15'58" EAST ALONG SAID WESTERLY LINE 216.08 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 57°44'02" EAST 110.00 FEET TO THE WESTERLY MARGIN OF SAID HARRINGTON PLACE r NORTHEAST; THENCE SOUTH 32°15'58" WEST ALONG SAID MARGIN 187.69 FEET TO THE SOUTH LINE OF RENTON LOT LINE ADJUSTMENT NO. LLA 7-83, RECORDED UNDER RECORDING NO. 8304119003; THENCE SOUTH 86°34'36" EAST ALONG SAID SOUTH LINE 6.03 FEET; THENCE NORTH 31°24'45" EAST 186.09 FEET; THENCE NORTH 58°24113"WEST 110.21 FEET; THENCE NORTH 30°56'11" EAST 99.11 FEET TO THE NORTHWESTERLY CORNER OF SAID TRACT 46B; THENCE SOUTH 32°15'58" WEST ALONG THE WESTERLY LINE OF SAID TRACT 99.09 FEET TO THE POINT OF BEGINNING. PARCEL A-2:\ PORTION OF TRACT 46B OF BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2,AN ADDITION TO THE CITY OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, First American Title Insurance Company I Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.3 INCLUSIVE, RECORDS OF COUNTY OF KING,WASHINGTON, LYING NORTHERLY OF THE FOLLOWING DESCRIBED LINE: BEGINNING AT THE SOUTHWEST CORNER OF LOT 19, BLOCK 46 OF SAID PLAT; THENCE SOUTH 03°35'47"WEST 25.58 FEET FROM THE SOUTHWEST CORNER OF SAID LOT 19; THENCE SOUTH 86°34'36" EAST 200.80 FEET TO THE CENTERLINE OF VACATED HARRINGTON PLACE NORTHEAST AND THE TERMINUS OF SAID LINE; AND LYING SOUTHERLY AND WESTERLY OF THE FOLLOWING DESCRIBED LINE: BEGINNING AT THE INTERSECTION OF THE WESTERLY LINE OF TRACT 46B AND THE NORTHERLY LINE OF A 50 FOOT STRIP OF LAND DEEDED IN AUDITOR'S FILE NO. 6471625; THENCE NORTH 32°15'58" EAST ALONG SAID WESTERLY LINE 216.08 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 57°44'02" EAST 110.00 FEET TO THE WESTERLY MARGIN OF SAID HARRINGTON PLACE NORTHEAST; THENCE SOUTH 32°15'58"WEST ALONG SAID MARGIN 187.69 FEET TO THE SOUTH LINE OF RENTON LOT LINE ADJUSTMENT NO. LLA 7-83, RECORDED UNDER RECORDING NO. 8304119003 AND THE TERMINUS OF SAID LINE. PARCEL B: THAT PORTION OF TRACT 46B, CORRECTED PLAT OF RENTON HIGHLANDS NO. 2,ACCORDING TO THE PLAT THEREOF RECORDED IN VOLUME 57 OF PLATS, PAGE(S) 92 THROUGH 98, INCLUSIVE, IN KING COUNTY, WASHINGTON, LYING NORTHEASTERLY OF A LINE: COMMENCING AT THE INTERSECTION OF THE NORTHWESTERLY LINE OF SAID TRACT 46B WITH THE NORTHERLY MARGIN OF THAT CERTAIN 50.00 FOOT WIDE STRIP OF LAND CONVEYED TO THE CITY OF RENTON FOR STREET PURPOSES BY DEED RECORDED UNDER RECORDING NUMBER 6471525; THENCE NORTH 31°59'53"EAST,ALONG SAID NORTHWESTERLY LINE OF TRACT 46B, 216.08 FEET TO THE TRUE POINT OF BEGINNING OF THE HEREIN DESCRIBED LINE; THENCE SOUTH 58°00'07"EAST 135.00 FEET TO THE CENTERLINE OF SAID VACATED 12TH PLACE HARRINGTON PLACE NORTHEAST)AND THE TERMINUS OF SAID DESCRIBED LINE; TOGETHER WITH THAT PORTION OF THE NORTHWESTERLY HALF OF VACATED HARRINGTON PLACE NORTHEAST(12TH PLACE)AS VACATED UNDER ORDINANCE NO. 2553 OF THE CITY OF RENTON, RECORDED UNDER RECORDING NUMBER 6647013 ADJOINING TRACT 46B IN SAID PLAT, LYING NORTH OF THE FOLLOWING DESCRIBED LINE: COMMENCING AT THE SOUTHWEST CORNER OF LOT 19 IN BLOCK 46 OF SAID PLAT; THENCE SOUTH 03°35'47"WEST ALONG THE EAST LINE OF HARRINGTON AVENUE NORTHEAST, 25.08 FEET TO THE INTERSECTION OF THE CENTERLINE OF A 50 FOOT STRIP OF LAND CONVEYED TO THE CITY OF RENTON BY DEED RECORDED UNDER RECORDING NUMBER 6471625; THENCE CONTINUING SOUTH 03°35'47"WEST 0.50 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 86°34'36"EAST 200.80 FEET TO THE CENTERLINE OF VACATED HARRINGTON PLACE NORTHEAST(12TH PLACE)AND THE TERMINUS OF SAID LINE; EXCEPT THOSE PORTIONS OF SAID TRACT 46B AND HARRINGTON PLACE NORTHEAST LYING WITHIN THE FOLLOWING DESCRIBED TRACT: COMMENCING AT THE INTERSECTION OF THE WESTERLY LINE OF SAID TRACT 46B WITH THE-NORTHERLY LINE OF THAT 50 FOOT STRIP OF LAND DEEDED TO THE CITY OF RENTON AND FILED UNDER RECORDING NUMBER 6471625 IN VOLUME 5201 OF DEEDS, PAGE 617, IN KING COUNTY,WASHINGTON; THENCE NORTH 32°15'58"EAST ALONG SAID WESTERLY LINE 216.08 FEET TO THE TRUEPOINT OF First American Title Insurance Company. r Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.4 BEGINNING; THENCE SOUTH 57°44'02"EAST 110.00 FEET TO THE WESTERLY MARGIN OF SAID VACATED HARRINGTON PLACE N.E; THENCE SOUTH 32°15'58"WEST ALONG SAID MARGIN 187.69 FEET TO-THE SOUTH LINE OF CITY OF RENTON LOT LINE ADJUSTMENT NUMBER LLAA007-,83 AND FILED UNDER RECORDING NUMBER 8304119003, IN KING COUNTY, WASHINGTON; THENCE SOUTH 86°34'36"EAST ALONG SAID SOUTH LINE 6.03 FEET;- THENCE NORTH 31°24'45"EAST 186.09 FEET; THENCE NORTH 58°24'13"WEST 110.21 FEET; THENCE NORTH 30°56'11"EAST 99.11 FEET TO THE NORTHWESTERLY CORNER OF SAID TRACT 46B; THENCE SOUTH 32°15'58"WEST ALONG THE WESTERLY LINE OF SAID TRACT 99.09 FEET TO THE TRUE POINT OF BEGINNING. PARCEL C: LOT 19 IN BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2,AN ADDITION TO THE CITY OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON. PARCEL D: LOT 20 IN BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2,AN ADDITION TO THE CITY OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON. N FirstAmerican Title Insurance Company I l Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.5 SCHEDULE B-SECTION 1 REOUIREMENTS The following are the Requirements to be complied with: Item (A) Payment to or for the account of the Grantors or Mortgagors of the full consideration for the estate or interest to be insured. , I Item (B) Proper instrument(s) creating the estate or interest to be insured must be,executed and duly filed for record. Item (C) Pay us the'premiums, fees and charges for the policy. Item (D) You must tell us in writing the name of`anyone not referred to in this Commitment who will get an interest in the land or who will make a loan on the land. We may then make additional requirements or exceptions SCHEDULE B-SECTION 2 GENERAL EXCEPTIONS The Policy or Policies to be issued will contain Exceptions to the following unless the same are disposed of to the satisfaction of the Company. A. Taxes or assessments which are not shown as existing liens by the records of any taxing authority that levies taxes or assessments on real property or by the public records. B. Any facts, rights, interest, or claims which are not shown by the public records but which could be ascertained by an inspection of said land or by making inquiry of person in possession thereof. C. Easements, claims of easement or encumbrances which are not shown by the public records. D. Discrepancies, conflicts in boundary lines, shortage in area, encroachments, or any other facts which a correct survey would disclose, and,which are not shown by public records. E. (1) Unpatented mining claims; (2) reservations or exceptions in patents or in acts authorizing the issuance thereof; (3) Water rights, claims or title to water; whether or not the matters excepted under (1), (2) or (3) are shown by the public records; (4) Indian Tribal Codes or Regulations, Indian Treaty or Aboriginal Rights, including easements or equitable servitudes. F. Any lien, or right to a lien, for services, labor, materials or medical assistance theretofore or hereafter furnished, imposed by law and not shown by the'public records. G. Any service, installation, connection, maintenance, construction, tap or reimbursement charges/costs for sewer,water, garbage or electricity. H. Defects, liens, encumbrances, adverse claims or other matters, if any, created,,first appearing in the public records or attaching subsequent to the effective date hereof but prior to the date the proposed insured acquires of record for value the estate or interest or mortgages thereon covered by this Commitment. First American Title Insurance Company Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.6 SCHEDULE B- SECTION 2 continued) SPECIAL EXCEPTIONS i 1.Liability, if any, for pro-rata portion of Real Property taxes which are carried on the King County Tax Rolls, as tax account no. 722780-1781-08, are exempt. We note Special Charges for the year 2015 in the amount of$12.70,of which $12.70 has been paid. Balance due: $0.00. Affects Parcel A) 2. Delinquent General Taxes for the year 2015, plus penalty and interest. Said taxes are now classified as exempt. Tax Account No.: 722780-1780-09 Amount Billed: 1,366.77 Amount Paid:1,361.29 Amount Due:5.48 Assessed Land Value: 256,000.00 Assessed Improvement Value: $ 0.00 Affects Parcel B) 3. Liability, if any,for pro-rata portion of Real Property taxes which are carried on the King County Tax Rolls, as tax account no. 722780-1660-04, are exempt. We note Special Charges for the year 2015 in the amount of$12.70, of which $12.70 has been paid. Balance due: $0.00. Affects Parcel C) 4. General Taxes for the year 2016, in an amount not yet available,which cannot be paid until February 15, 2016. Tax Account No.: 722780-1665-09 Note: Taxes and charges for 2015 were paid in full in the amount of$1,166.24 and are now classified as exempt. 5. Potential charges, for the King County Sewage Treatment Capacity Charge, as authorized under RCW 35.58 and"King County Code 28.84.050. Said charges could apply for any property that connected to the King County Sewer Service area on or after February 1, 1990. Note: Properties located in Snohomish County and Pierce County may be subject to the King County Sewage Treatment Capacity Charges. To verify charges contact:,(206) 296-1450 or CapChargeEscrow©kingcounty.gov. 6.Restrictions, conditions, dedications, notes, easements and provisions, if any, as contained and/or delineated on the face of the Corrected Plat of Renton Highlands No. 2 recorded in Volume 57 of Plats at Pages 92-98, in King County,Washington. First American Title Insurance Company Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.7 7.Easement, including terms and provisions contained therein: Recording Information: 6471624 and 6647013 In Favor of: City of Renton For: a Sewer Affects: Parcels A and B 8. Covenants,conditions, restrictions and/or easements: Recorded: February 17, 1969 Recording No.: 6471625 Affects Parcels A and B) 9. Restrictions, conditions, dedications,notes, easements and provisions, if any, as contained and/or delineated on the face of the Lot Line Adjustment No. LLA-003-82 recorded under Recording No. 8204219003, in King County, Washington. Affects Parcels A and B) 10. Restrictions, conditions, dedications, notes, easements and provisions, if any,as contained and/or delineated on the face of the Survey recorded under Recording No. 8304119003, in King County, Washington. Affects Parcels A and B) 11. Unrecorded leaseholds, if any, rights of vendors and security agreement on personal property and rights of tenants, and secured parties to remove trade fixtures at the expiration of the term. First American Title Insurance Company Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.8 INFORMATIONAL NOTES A. Effective January 1, 1997, and pursuant to amendment of Washington State Statutes relating to standardization of recorded documents,the following format and content requirements must be met. Failure to comply may result in rejection of the document by the recorder. B. Any sketch attached hereto is'done so as a courtesy only and is not,part of any title commitment or policy. It is furnished solely for the purpose of assisting in locating the premises and First American expressly disclaims any liability which may result from reliance made upon it. C. The description can be abbreviated as suggested below if necessary to meet standardization requirements. The full text of;the description must appear in the document(s)to be insured. Lots 19, 20 and 46B Block 46,;Renton Highlands 2,V. 57, P. 92 APN: 722780-1781-08 APN: 722780-1780-09 APN: 722780-1660-04 APN: 722780-1665-.09 k Property Address: 1104 Harrington Avenue Northeast, 1144 Harrington Avenue Northeast, 1156 Harrington Avenue Northeast, Renton,WA 98056 D. A fee will be charged upon the cancellation of this Commitment pursuant to the Washington State Insurance Code and the filed Rate Schedule of the Company. END OF SCHEDULE B First American Title Insurance Company. Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No.9 9Y At1F,'k1 C First American Title Insurance Company National Commercial Services COMMITMENT Conditions and Stipulations 1. The term "mortgage" when used herein shall include deed of trust, trust deed, or other security instrument. 2. If the proposed Insured has or acquires actual knowledge of a defect, lien, encumbrance, adverse claim or other matter affecting the estate or interest or mortgage thereon covered by this Commitment, other than those shown in Schedule B hereof, and shall fail to disclose such knowledge to the Company in writing, the Company shall be relieved from liability for any loss or damage resulting from any act or reliance hereon to the extent the Company is prejudiced by failure to so disclose such knowledge. If the proposed Insured shall disclosure such knowledge to the Company, or if the Company otherwise acquires actual knowledge of any such defect, lien, encumbrance, adverse claim or other matter, the Company at its option, may amend Schedule B of this Commitment accordingly, but such amendment shall not relieve the Company from liability previously incurred pursuant to paragraph 3 of these Conditions and Stipulations." 3. Liability of the Company under this Commitment shall be only to the named proposed Insured and such parties included under the definition of Insured in the form of Policy or Policies committed for, and only for actual loss incurred in reliance hereon in undertaking in good faith a) to comply with the requirements hereof, or (b) to eliminate exceptions shown in Schedule B, or (c) to acquire or create the estate or interest or mortgage thereon covered by this Commitment. In no event shall such liability exceed the amount stated in Schedule A for the Policy or Policies committed for and such liability is subject to the Insuring provisions, exclusion from coverage, and the Conditions and Stipulations of the form of Policy or Policies committed for in favor of the proposed Insured which are hereby incorporated by references, and are made a part of this Commitment except as expressly modified herein. 4. Any claim of loss or damage, whether or not based on negligence, and which arises out of the status of the title to the estate or interest or the lien of the Insured mortgage covered hereby or any action asserting such claim, shall be restricted to the provisions and Conditions and Stipulations of this Commitment. r 1 First American Title Insurance Company Form WA-5(6/76) File No.: NCS-704323-WA1 Commitment Page No. 10 f The First American Corporation First American Title Insurance Company National Commercial Services PRIVACY POLICY We Are Committed to Safeguarding Customer Information In order to better serve your needs now and in the future,we may ask you to provide us with certain information. We understand that you may be concerned about what we will do with such information particularly any personal or financial information. We agree that you have a right to know how we will utilize the personal information you provide to us. Therefore,together with our parent company,The First American Corporation,we have adopted this Privacy Policy to govern the use and handling of your personal information. Applicability This Privacy Policy governs our use of the information which you provide to us. It does not govern the manner in which we may use information we have obtained from any other source,such as information obtained from a public record or from another person or entity. First American has also adopted broader guidelines that govern our use of personal information regardless of its source. First American calls these guidelines its Fair Information Values,a copy of which can be found on our website at www.firstam.com. Types of Information i Depending upon which of our services you are utilizing,the types of nonpublic personal information that we may collect include: Information we receive from you on applications, forms and in other communications to us, whether in writing, in person, by telephone or any other means; Information about your transactions with us,our affiliated companies,or others;and. Information we receive from a consumer reporting agency. Use of Information We request information from you for our own legitimate business purposes and not for the benefit of any nonaffiliated party. Therefore,we will not release your information to nonaffiliated parties except: (1)as necessary for us to provide the product or service you have requested of us;or(2)as permitted by law. We may,however,store such information indefinitely,including the period after which any customer relationship has ceased. Such information may be used for any intemal purpose, such as quality control efforts or customer analysis. We may also provide all of the types of nonpublic personal information listed above to one or more of our affiliated companies. Such affiliated companies include financial service providers, such as title insurers,property and casualty insurers,and'trust and investment advisory companies,or companies involved in real estate services,such as appraisal companies, home warranty companies, and escrow companies. Furthermore, we may also provide all the information we collect, as described above,to companies that perform marketing services on our behalf,on behalf of our affiliated companies,or to other financial institutions with whom we or our affiliated companies have joint marketing agreements. Former Customers Even if you are no longer our customer,our Privacy Policy will continue to apply to you. Confidentiality and Security We will use our best efforts to ensure that no unauthorized parties have access to any of your information. We restrict access to nonpublic personal information about you to those individuals and entities who need to know that information to provide products or services to you. We will use our best efforts to train and oversee our employees and agents to ensure that your information will be handled responsibly and in accordance with this Privacy Policy and First American's Fair Information Values. We currently maintain physical, electronic, and procedural safeguards that comply with federal regulations to guard your nonpublic personal information. c 2001 The First American Corporation-All Rights Reserved FirstAmerican Title Insurance Company First American Reference No.: 704323 Location Map fi...e Title Company County: King t,-, v`" z.;, ".....J 4/ Legend s. ,•':. (; ttl:' 3;2 6 1.'-.; S 17 /-'('''. Q. • . •; PARCEL Az...,:::,•-'k-e--,- Eiii7 .e., 01,:_, :v:,...,; ,_,,,. ..,::,. 4,4' 7 ' 0 ,-' PARCEL A-1 tr.:-._::: . ..,,-:-..--,, .,1,,•4:'1'1 3 9 1 r•.. ,.e kl:'. r,r, 7 c., e, 7. ' .....:-/ . PARCEL A-2 PARCEL B4-- s,- . c,",.., :,..„.: .,-;--...z ,, ,,., . . I I PARCEL C PARCEL- 6 PARCEL APARCEL Dr. • 7;. 3::,;',f. I:L.._ le ------•- /,,,,, PARCEL B v ,•.• 71' ,- ' 2 2 ,. PARCEL C 't - 0 l' f'.'::— 4ii E x. ,,.-L,' . PARCEL A-2 1!,23!: [;17') y 31.3t) ' 9s,-'.- - '' 1 PARCEL A-1 0'-., C.? .'.,-.,^ 4,..; Y N i• .7, '..-"'. / .1.• . ,,..‘,: e- i t-1 ',% e:.t.1...: ,:;.i 0() F, 6-; ; 1.::-,2!:,. - - ,,, J-, '•;-;'2 ii i i 6 1 •A.-2.:;--, 1 —..;; ,,`. 5 83--"7,9—2 5 ,.:, ;'"•---- r 2(-3.2 46-- ii.i--' 1%-, LI.--.. ; 'I.. , (} .- - ' • '' c..; s.. ..,•‘,(:. 8204219003 e--, t!'• '4 Tax ID: 722780-1781-08,722780-1780-09 , 722780-1660-04, & 722780-1665-09 This map may or may not be a survey of the land depicted hereon. You should not rely upon it for any purpose other than orientation to the general location of the parcel or parcels depicted. •First American wTihtlieohexpmreasyslyredsisucitlaitmrosmanyrellijaabnioality fourpoanllegthedislosmsaoprShortLegal:A Portion of Plat Map Vo157 Pg92 NOT TO SCALE J- schemata workshop January 19,2016 C•4' Legal description project title Sunset Court Apartments PARCEL A: THAT PORTION OF PUBLIC USE AREA ADJACENT TO TRACT 46B IN BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2,AN ADDITION TO THE CITY OF RENTON, ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON, LYING SOUTH OF A LINE DESCRIBED AS FOLLOWS: BEGINNING AT THE SOUTHEAST CORNER OF LOT 21, BLOCK 46 OF SAID PLAT; THENCE EAST TO THE SOUTHWEST CORNER OF TRACT 46A OF SAID PLAT; AND LYING NORTH OF THE FOLLOWING DESCRIBED LINE: BEGINNING AT THE SOUTHWEST CORNER OF LOT 19, BLOCK 46 OF SAID PLAT; THENCE SOUTH 03°35'47" WEST 25.58 FEET FROM THE SOUTHWEST CORNER OF SAID LOT 19; THENCE SOUTH 86°34'36" EAST 200.80 FEET TO THE CENTERLINE OF.VACATED HARRINGTON PLACE _ NORTHEAST AND THE TERMINUS OF SAID LINE; TOGETHER WITH A 10 FOOT WALKWAY LYING BETWEEN TRACTS 46A AND 46B OF SAID PLAT AND BETWEEN LOTS 20 AND 21 OF SAID-BLOCK 46. PARCEL A-1: PORTION OF TRACT 46B OF BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2, AN ADDITION TO THE CITY OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON, AND THAT PORTION OF VACATED HARRINGTON PLACE NORTHEAST(FORMERLY 12TH PLACE), DESCRIBED AS FOLLOWS: BEGINNING AT THE INTERSECTION OF THE WESTERLY LINE OF TRACT 46B AND THE NORTHERLY LINE OF A 50 FOOT STRIP OF LAND DEEDED IN AUDITOR'S FILE'NO. 6471625; THENCE NORTH 32°15'58" EAST ALONG SAID WESTERLY LINE 216.08 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 57°44'02" EAST 110.00 FEET TO THE WESTERLY MARGIN OF SAID HARRINGTON PLACE NORTHEAST; THENCE SOUTH 32°15'58" WEST ALONG SAID MARGIN 187.69 FErTAVTIllE SO UTH'LINE OFF RENTON LOT LINE ADJUSTMENT NO. LLA 7-83, RECORDED UNDE RECORDING N10.L83.004119003 THENCE-SOUTH 86°34'36" EAST ALONG SAID SOUTH LINE 6.03 FEET* 01 2016 F.vTHENCENORTH31°24'45" EAST 186.09 FEET; THENCE NORTH 58°24'13" WEST 110.21 FEET; y r rnr: r,s rtt}.2 THENCE NORTH 30°56'11" EAST 99.11 FEET TO THE NORTHWESTERLY CORNER`QFlISAIDJTRACT-46B; THENCE SOUTH 32 15 58 WEST ALONG THE WESTERLY LINE OF SA1 'TRACT 99.09LFE I O)- 3N POINT OF BEGINNING. schemata workshop inc 1172012th avenue,seattle wa 98122 • www.schemataworkshop.com v 206.285.1589 f 206.285.2701 r schemata workshop PARCEL A-2: PORTION OF TRACT 46B OF BLOCK 46 OF CORRECTED PLAT OF RENTON H GHLANDS NO. 2, AN ADDITION TO THE CITY OF RENTON, ACCORDING TO THE PLAT RECORDE IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON, LYING NORTHERLY OF THE FOLLOWING DESCRIBED LINE: BEGINNING AT THE SOUTHWEST CORNER OF LOT 19, BLOCK 46 OF SAID PLAT; THENCE SOUTH 03°35'47" WEST 25.58 FEET FROM THE SOUTHWEST CORNER OF SAID LOT 19; THENCE SOUTH 86°34'36" EAST 200.80 FEET TO THE CENTERLINE OF VACATED HARRINGTON PLACE NORTHEAST AND THE TERMINUS OF SAID LINE; AND LYING SOUTHERLY AND WESTERLY OF THE FOLLOWING DESCRIBED LINE: BEGINNING AT THE INTERSECTION OF THE WESTERLY LINE OF TRACT 46B AND THE NORTHERLY LINE OF A 50 FOOT STRIP OF LAND DEEDED IN AUDITOR'S FILE NO. 6471625; THENCE NORTH 32°15'58" EAST ALONG SAID WESTERLY LINE 216.08 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 57°44'02" EAST 110.00 FEET TO THE WESTERLY MARGIN OF SAID HARRINGTON PLACE NORTHEAST; THENCE SOUTH 32°15'58"WEST ALONG SAID MARGIN 187.69 FEET TO THE SOUTH LINE OF RENTON LOT LINE ADJUSTMENT NO. LLA 7-83, RECORDED UNDER RECORDING NO. 8304119003 AND THE TERMINUS OF SAID LINE. PARCEL B: THAT PORTION OF TRACT 46B, CORRECTED PLAT OF RENTON HIGHLANDS NO. 2, ACCORDING TO THE PLAT THEREOF RECORDED IN VOLUME 57 OF PLATS, PAGE(S) 92 THROUGH 98, INCLUSIVE, IN KING COUNTY, WASHINGTON, LYING NORTHEASTERLY OF A LINE: COMMENCING AT THE INTERSECTION OF THE NORTHWESTERLY LINE OF SAID TRACT 46B WITH THE NORTHERLY MARGIN OF THAT CERTAIN 50.00 FOOT WIDE STRIP OF LAND CONVEYED TO THE CITY OF RENTON FOR STREET PURPOSES BY DEED RECORDED UNDER RECORDING NUMBER 6471525; THENCE NORTH 31°59'53"EAST, ALONG SAID NORTHWESTERLY LINE OF TRACT 46B, 216.08 FEET TO THE TRUE POINT OF BEGINNING OF THE HEREIN DESCRIBED LINE; THENCE SOUTH 58°00'07"EAST 135.00 FEET TO THE CENTERLINE OF SAID VACATED 12TH PLACE HARRINGTON PLACE NORTHEAST) AND THE TERMINUS OF SAID DESCRIBED LINE; TOGETHER WITH THAT PORTION OF THE NORTHWESTERLY HALF OF VACATED HARRINGTON PLACE NORTHEAST(12TH PLACE) AS VACATED UNDER ORDINANCE NO. 2553 OF THE CITY OF RENTON, RECORDED UNDER RECORDING NUMBER 6647013 ADJOINING TRACT 46B IN SAID PLAT, LYING NORTH OF THE FOLLOWING DESCRIBED LINE: COMMENCING AT THE SOUTHWEST CORNER OF LOT 19 IN BLOCK 46 OF SAID PLAT; THENCE SOUTH 03°35'47"WEST ALONG THE EAST LINE OF HARRINGTON AVENUE NORTHEAST, 25.08 FEET TO THE INTERSECTION OF THE CENTERLINE OF A 50 FOOT STRIP OF LAND CONVEYED TO THE CITY OF RENTON BY DEED RECORDED UNDER RECORDING NUMBER 6471625; THENCE CONTINUING SOUTH 03°35'47"WEST 0.50 FEET TO THE TRUE POINT OF BEGINNING; THENCE SOUTH 86°34'36" EAST 200.80 FEET TO THE CENTERLINE OF VACATED HARRINGTON PLACE NORTHEAST(12TH PLACE) AND THE TERMINUS OF SAID LINE; EXCEPT THOSE PORTIONS OF SAID TRACT 46B AND HARRINGTON PLACE NORTHEAST LYING WITHIN THE FOLLOWING DESCRIBED TRACT: 1 schemata workshop COMMENCING AT THE INTERSECTION OF THE WESTERLY LINE OF SAID TRACT 46B WITH THE NORTHERLY LINE OF THAT 50 FOOT STRIP OF LAND DEEDED TO THE CITY OF RENTON AND FILED UNDER RECORDING NUMBER 6471625 IN VOLUME 5201 OF DEEDS, PAGE 617, IN KING COUNTY, WASHINGTON; THENCE NORTH 32°15'58"EAST ALONG SAID WESTERLY LINE 216.08 FEET TO THE TRUEPOINT OF BEGINNING; THENCE SOUTH 57°44'02" EAST 110.00 FEET TO THE WESTERLY MARGIN OF SAID VACATED HARRINGTON PLACE N.E; THENCE SOUTH 32°15'58"WEST ALONG SAID MARGIN 187.69 FEET TO THE SOUTH LINE OF CITY OF RENTON LOT LINE ADJUSTMENT NUMBER LLA 007-83 AND FILED UNDER RECORDING NUMBER 8304119003, IN KING COUNTY, WASHINGTON; THENCE SOUTH 86°34'36" EAST ALONG SAID SOUTH LINE 6.03 FEET; THENCE NORTH 31°24'45" EAST 186.09 FEET;THENCE NORTH 58°24'13"WEST 110.21 FEET; THENCE NORTH 30°56'11" EAST 99.11 FEET TO THE NORTHWESTERLY CORNER OF SAID TRACT 46B; THENCE SOUTH 32°15'58" WEST ALONG THE WESTERLY LINE OF SAID TRACT 99.09 FEET TO THE TRUE POINT OF BEGINNING. PARCEL C: LOT 19 IN BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2, AN ADDITION TO THE CITY OF RENTON, ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON. PARCEL D: LOT 20 IN BLOCK 46 OF CORRECTED PLAT OF RENTON HIGHLANDS NO. 2, AN ADDITION TO THE CITY OF RENTON,ACCORDING TO THE PLAT RECORDED IN VOLUME 57 OF PLATS, PAGES 92 TO 98, INCLUSIVE, RECORDS OF COUNTY OF KING, WASHINGTON. RECEIPT E000048915 CITY OF Ontort 1055 S Grady Way, Renton,WA 98057 Transaction Date:January 29,2016 BILLING CONTACT Mark Gropper Renton Housing Authority PO Box 2316 Renton,WA 98056 REFERENCE NUMBER FEE NAME TRANSACTION PAYMENT AMOUNT PAID TYPE METHOD LUA16-000068 PLAN-Modification Fee Payment Check#003749 150.00 000:000000.011.345.81:00.000 $150.00'o PLAN-Site Plan Review-Admin Fee Payment Check#003749 1,500.00 e k000:000000>007.345.81 14;000 ,,,s 1,500:0Q a PLAN-Variance Fee Payment Check#003749 1,200.00 7;000.000000,0073-345.81:16:000 ;$1=,200.00 g Technology Fee Fee Payment Check#003749 85.00 503.000000.004:322,10.00.000' $'85.001' _; ` Po` n SUB TOTAL 2,935.00 TOTAL 2,935.00 Printed On:February 10,2016 Prepared By:Rocale Timmons Page 1 of 1 RECEIPT EG0004891 F: CITY OF• enton xfl ° 1055 S,Grady Way, Renton,WA 98057 Transaction Date:January 29,2016 BILLING CONTACT Mark Gropper Renton Housing Authority PO Box 2316 Renton,WA 98056 REFERENCE NUMBER FEE NAME TRANSACTION PAYMENT AMOUNT PAID TYPE METHOD LUA1 6-000068 Technology Fee Fee Payment Cash 0.50 503.000000.004.322.10.00.000' ,$0.50 n A ' a SUB TOTAL 0.50 TOTAL 0.50 Printed On:February 10,2016 Prepared By:Rocale Timmons Page 1 of 1 9/28/2016 2:04:05 PM ROAM O!ERM 4 Cn C') 0 cn' C/) C) 0- CD 7rcn 0 D rn f D C/3C/3 HAR rn m 71R m mGTONDAVE;"N Z ' g 60' R. 0. 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