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Technical Information Report Elma Short Plat 134 Elma Ave NE Renton, WA 98059 Prepared: November 26, 2018 DCI Project: 15378.21 DUNCANSON 145 SW 155th Street Suite 102 Seattle, Washington 98166 Becker Short Plat DCI 15378.21 Table of Contents Section 1 – Project Overview ........................................................................................................................ 3 Section 2 – Conditions and Requirements Summary ................................................................................. 13 Section 3 – Offsite Analysis ......................................................................................................................... 16 Section 4 – Flow Control, LID, & Water Quality Facility Analysis & Design ................................................ 19 Section 5 – Conveyance System Analysis and Design ................................................................................. 25 Section 6 – Special Reports and Studies ..................................................................................................... 27 Section 7 – Other Permits ........................................................................................................................... 38 Section 8 – CSWPP Plan Analysis and Design.............................................................................................. 40 Section 9 – Bond Quantities, Facility Summaries, and Declaration of Covenant ....................................... 42 Section 10 – Operations and Maintenance Manual ................................................................................... 44 Appendix A – WWHM Report ..................................................................................................................... 46 2 Becker Short Plat DCI 15378.21 Section 1 Project Overview 3 Becker Short Plat DCI 15378.21 Section 1 – Project Overview The proposed Elma Short Plat project consists of a 5-lot short plat at 134 Elma Avenue NE. The Site contains an existing house and several outbuildings with a gravel driveway. Vegetation is mostly grass with landscaping and scattered trees. All existing improvements will be removed. A new private road will be installed for the future houses. Trees will be retained per Renton code. The site is relatively flat with a slight slope to the east. The northeast portion of the site slopes down to the east at up to 10%. Runoff is sheet flow to the east toward the adjoining unopened right-of-way for 140th Avenue SE, which contains a 36-inch CMP storm drain. Surrounding properties to the north, west and east are fully developed and connected to the stormwater system that was install as part of the Laurelhurst Division 2 subdivision constructed around 2006. The site is located within the Urban Growth Area and is on predominantly till soils. The Site is located in a Flow Control Duration Standard Matching Forested Condition and Basic Water Quality Area. The overall Site is approximately 41,531 SF. Postdeveloped Site conditions will consist of 19,931 SF of impervious surface and 21,600 SF of lawn and landscaping. Site development will include road and utility construction and eventual home construction on the new lots. A detention tank and Stormfilter are proposed for stormwater flow control and treatment. New storm drainage will be installed in the proposed private access road. The new storm drain system will connect to the existing storm drain in 140th Avenue NE. Sewer and water main extensions will also extend into the site from Elma Avenue NE. Elma Avenue NE is fully developed with curb, gutter and sidewalk. Included are Figures 1.1 – Technical Information Report Worksheet, 1.2 – Vicinity Map, 1.3— Soil Map and 1.4 – Basin Map for reference. 4 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 1 PROJECT OWNER AND PROJECT ENGINEER Part 2 PROJECT LOCATION AND DESCRIPTION Project Owner ___________________________ Phone _________________________________ Address _______________________________ _______________________________________ Project Engineer _________________________ Company ______________________________ Phone _________________________________ Project Name _________________________ DPER Permit # ________________________ Location Township ______________ Range ________________ Section ________________ Site Address __________________________ _____________________________________ Part 3 TYPE OF PERMIT APPLICATION Part 4 OTHER REVIEWS AND PERMITS Landuse (e.g.,Subdivision / Short Subd. / UPD) Building (e.g.,M/F / Commercial / SFR) Clearing and Grading Right-of-Way Use Other _______________________ DFW HPA COE 404 DOE Dam Safety FEMA Floodplain COE Wetlands Other ________ Shoreline Management Structural Rockery/Vault/_____ ESA Section 7 Part 5 PLAN AND REPORT INFORMATION Technical Information Report Site Improvement Plan (Engr. Plans) Type of Drainage Review (check one): Date (include revision dates): Date of Final: Full Targeted Simplified Large Project Directed __________________ __________________ __________________ Plan Type (check one): Date (include revision dates): Date of Final: Full Modified Simplified __________________ __________________ __________________ Part 6 SWDM ADJUSTMENT APPROVALS Type (circle one): Standard / Experimental / Blanket Description: (include conditions in TIR Section 2) ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ Approved Adjustment No. ______________________ Date of Approval: ______________________ 2016 Surface Water Design Manual 4/24/20161 X 5 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 7 MONITORING REQUIREMENTS Monitoring Required: Yes / No Start Date: _______________________ Completion Date: _______________________ Describe: _________________________________ _________________________________________ _________________________________________ Re: KCSWDM Adjustment No. ________________ Part 8 SITE COMMUNITY AND DRAINAGE BASIN Community Plan : ____________________________________________________________________ Special District Overlays: ______________________________________________________________ Drainage Basin: _____________________________________________________________________ Stormwater Requirements: ____________________________________________________________ Part 9 ONSITE AND ADJACENT SENSITIVE AREAS River/Stream ________________________ Lake ______________________________ Wetlands ____________________________ Closed Depression ____________________ Floodplain ___________________________ Other _______________________________ _______________________________ Steep Slope __________________________ Erosion Hazard _______________________ Landslide Hazard ______________________ Coal Mine Hazard ______________________ Seismic Hazard _______________________ Habitat Protection ______________________ _____________________________________ Part 10 SOILS Soil Type _________________ _________________ _________________ _________________ Slopes _________________ _________________ _________________ _________________ Erosion Potential _________________ _________________ _________________ _________________ High Groundwater Table (within 5 feet) Other ________________________________ Sole Source Aquifer Seeps/Springs Additional Sheets Attached 2016 Surface Water Design Manual 4/24/201626 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 11 DRAINAGE DESIGN LIMITATIONS REFERENCE Core 2 – Offsite Analysis_________________ Sensitive/Critical Areas__________________ SEPA________________________________ LID Infeasibility________________________ Other________________________________ _____________________________________ LIMITATION / SITE CONSTRAINT _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ Additional Sheets Attached Part 12 TIR SUMMARY SHEET (provide one TIR Summary Sheet per Threshold Discharge Area) Threshold Discharge Area: (name or description) Core Requirements (all 8 apply): Discharge at Natural Location Number of Natural Discharge Locations: Offsite Analysis Level: 1 / 2 / 3 dated:__________________ Flow Control (include facility summary sheet) Level: 1 / 2 / 3 or Exemption Number ____________ Flow Control BMPs _______________________________ Conveyance System Spill containment located at: _________________________ Erosion and Sediment Control / Construction Stormwater Pollution Prevention CSWPP/CESCL/ESC Site Supervisor: _____________________ Contact Phone: _________________________ After Hours Phone: _________________________ Maintenance and Operation Responsibility (circle one): Private / Public If Private, Maintenance Log Required: Yes / No Financial Guarantees and Liability Provided: Yes / No Water Quality (include facility summary sheet) Type (circle one): Basic / Sens. Lake / Enhanced Basic / Bog or Exemption No. ______________________ Landscape Management Plan: Yes / No Special Requirements (as applicable): Area Specific Drainage Requirements Type: CDA / SDO / MDP / BP / LMP / Shared Fac. / None Name: ________________________ Floodplain/Floodway Delineation Type (circle one): Major / Minor / Exemption / None 100-year Base Flood Elevation (or range): ______________ Datum: Flood Protection Facilities Describe: 2016 Surface Water Design Manual 4/24/201637 KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL TECHNICAL INFORMATION REPORT (TIR) WORKSHEET Part 12 TIR SUMMARY SHEET (provide one TIR Summary Sheet per Threshold Discharge Area) Source Control (commercial / industrial land use) Describe land use: Describe any structural controls: Oil Control High-use Site: Yes / No Treatment BMP: ________________________________ Maintenance Agreement: Yes / No with whom? ____________________________________ Other Drainage Structures Describe: Part 13 EROSION AND SEDIMENT CONTROL REQUIREMENTS MINIMUM ESC REQUIREMENTS DURING CONSTRUCTION Clearing Limits Cover Measures Perimeter Protection Traffic Area Stabilization Sediment Retention Surface Water Collection Dewatering Control Dust Control Flow Control Protection of Flow Control BMP Facilities (existing and proposed) Maintain BMPs / Manage Project MINIMUM ESC REQUIREMENTS AFTER CONSTRUCTION Stabilize exposed surfaces Remove and restore Temporary ESC Facilities Clean and remove all silt and debris, ensure operation of Permanent Facilities, restore operation of Flow Control BMP Facilities as necessary Flag limits of SAO and open space preservation areas Other ______________________ Part 14 STORMWATER FACILITY DESCRIPTIONS (Note: Include Facility Summary and Sketch) Flow Control Type/Description Water Quality Type/Description Detention Infiltration Regional Facility Shared Facility Flow Control BMPs Other ________________ ________________ ________________ ________________ ________________ ________________ Vegetated Flowpath Wetpool Filtration Oil Control Spill Control Flow Control BMPs Other ________________ ________________ ________________ ________________ ________________ ________________ ________________ 2016 Surface Water Design Manual 4/24/20164 X X X X X X X X X X 8 9 RENTON C E D A R R I V E R 10 11 HOUSE GARAGE SHED LAWN LAWN LAWN LAWN LAWNASPHALTCONCRETEELMA AVENUE NEASPHALT CONCRETE GRAVEL CONCRETEBRICK PATIOWOODDECK WOOD DECK NE 1ST PLACE ASPHALTCONCRETELANDSCAPING CONCRETE LAWN COVERED PARKING RAISEDPLANTERRAISEDPLANTERSEPTIC AND RESERVE AREA PER AS-BUILT DATED JUNE 16, 2000 SHED GARDEN 1 inch = ft. (IN FEET) GRAPHIC SCALE 50' 12 Becker Short Plat DCI 15378.21 Section 2 Conditions and Requirements Summary 13 Becker Short Plat DCI 15378.21 Section 2 – Conditions and Requirements Summary This Section describes how the Project will meet the Core and Special Requirements of the 2017 City of Renton Surface Water Design Manual (SWDM). City of Renton Surface Water Design Manual Core Requirements: 1. Discharge at Natural Location The natural discharge location will be maintained. Project runoff will be detained onsite and released to the pipe system 140th Avenue SE. 2. Offsite Analysis A Level 1 Offsite analysis has been prepared. See Section 3. 3. Flow Control This Project is in a Flow Control Duration Standard Matching Forested Condition area. Detention tanks are proposed to provide flow control. See Section 4. 4. Conveyance System A discussion of the conveyance system is included in Section 5. 5. Construction Stormwater Pollution Prevention CSWPP measures will conform to the SWDM. Refer to Section 8. 6. Maintenance and Operations The future land owners will be responsible for maintenance of the stormwater BMPs and private flow control and treatment facilities. 7. Financial Guarantees and Liability The applicant will provide financial guarantees and liability insurance for construction of the improvements. Bond quantity worksheets will be included in Section 9. 8. Water Quality Facilities This project will result in more than 5,000 SF of new and/or replaced PGIS and is located in a Basic Treatment area. A Stormfilter is proposed to provide the required treatment. See Section 4. 9. Flow Control BMPs Flow Control BMPs are required in accordance with City of Renton Surface Water Design Manual Section 1.2.9.3.1—Small Subdivision Project BMP Requirements. See Section 4. 14 Becker Short Plat DCI 15378.21 City of Renton Surface Water Design Manual Special Requirements 1. Other Adopted Area-Specific Requirements There are no other adopted area specific requirement that apply to this Site. 2. Flood Hazard Area Delineation The Site is not in or near a flood hazard area. 3. Flood Protection Facilities The Site does not rely on flood protection facilities. 4. Source Control N/A for single family residential. 5. Oil Control This Project does not meet the thresholds for oil control. 6. Aquifer Protection Area This Project falls within a Zone 2 Aquifer Protection Area according the City’s Groundwater Protection Areas map. 15 Becker Short Plat DCI 15378.21 Section 3 Offsite Analysis 16 Becker Short Plat DCI 15378.21 Section 3 – Offsite Analysis Task 1 - Study Area Definition & Maps The study area was defined as the site and the runoff flow path extending 1 mile downstream for the resource review and ¼ mile downstream for the field reconnaissance. Runoff from properties to the north, west and south drains is collected by the drainage system for the surrounding subdivision. There is little to no upstream runon. Task 2 - Resource Review The City of Renton COR Maps, Washington State Water Quality Atlas and other available prescribed resources were reviewed. The resource review did not reveal any problems within 1 mile downstream from the site that warranted further investigation or mitigation. Task 3 - Field Reconnaissance A field reconnaissance was conducted on September 26, 2018. Conditions were partly cloudy and dry. Task 4 - Drainage System Description and Problem Screening See Figure 3.1 – Offsite Analysis Map Runoff from the site sheet flows east where it is intercepted by the 36-inch storm drain that runs through 140th Avenue SE and NE 1st Street. One manhole (Renton ID# 117169) was not readily located and appears to be covered. Sheet flow runoff is collected in roadside ditches in NE 1st Street and conveyed through 18-inch CPEP into the 36-inch pipe system in NE 1st Street. Ditches were well vegetated with no evidence of flooding or erosion problems. Runoff continues east in NE 1st Street in a pipe system consisting of 36-inch CPEP and Type 2 catch basin. The pipes and catch basins were clean, with no evidence of problems. At Hoquiam Avenue SE, the pipe system turns and runs south. Runoff continues south in a 36-inch CPEP pipe system with Type 2 catch basins. This system extends beyond the ¼ mile downstream point near SE 2nd Place. The pipes and catch basins were clean, with no evidence of problems. Task 5 – Mitigation of Existing or Potential Problems Our investigation revealed no problems that warrant additional mitigation beyond the application of Flow Control BMPs and the Flow Control Duration Standard Matching Forested Condition standard. 17 18 Becker Short Plat DCI 15378.21 Section 4 Flow Control, Low Impact Development (LID) and Water Quality Facility Analysis and Design 19 Becker Short Plat DCI 15378.21 Section 4 – Flow Control, LID, & Water Quality Facility Analysis & Design Part A - Existing Site Hydrology The entire site was modeled as Forest in the predeveloped condition. The WWHM2012 computer model was used for basin hydrology. detention tank sizing and water quality flow rate computations. The complete WWHM report is included in Appendix A. Following are a table summarizing the various areas and a screenshot of the WWHM input parameters. Part B – Developed Site Hydrology Developed site will include the impervious roof, driveway and walkways for the future houses and private common access road. It is anticipated that some form of BMPs will be applied such that the maximum effective impervious area will be limited to 3,200 SF for each lot. This may include restricted footprints as the final option. The remainder of the site will be landscaped and is modeled as lawn. Predeveloped Conditions SF Ac Total Basin 41,531 0.953 Till Forest 41,531 0.953 Postdeveloped Conditions SF Ac Basin 1 Total 41,531 0.953 Imperv 19,931 0.458 5 lots @ 3,200 + common access Till Grass 21,600 0.496 20 Becker Short Plat DCI 15378.21 Part C – Performance Standards The Project is in a Flow Control Duration Standard Matching Forested Condition and Basic Water Quality Area. Part D – Flow Control System The Flow Control system for this project included onsite BMPs and a detention tank system. BMPs In accordance with City of Renton Surface Water Design Manual Section 1.2.9.3.1, the subdivision infrastructure improvements shall meet the requirements of Section 1.2.9.3.2 (Small Road Improvement BMPs). BMP selection and feasibility/infeasibility is discussed below. Implementation of the on-site BMPs required for the individual lots will be deferred until the permit stage for the individual lots. BMPs for Plat Infrastructure Full Dispersion Full Dispersion is not feasible due to the lack of available flowpaths. Full Dispersion requires runoff to be dispersed through 100 feet of native vegetated surface. These conditions are not feasible with this project. Full Infiltration Full Infiltration is not feasible on this project. Full Infiltration requires medium to coarse sands with 3 feet of separation from the bottom of the facility to a restrictive layer (wet season water table or hardpan). The soil investigation found dense lodgment till (hardpan) at only 6 to 18 inches below ground surface across the site, so the vertical separation criteria are not met. Two soil logs had about 12 inches of dense silty sand with gravel between the topsoil and the hardpan layer. These soil condition are not feasible for Full Infiltration. Limited Infiltration Limited Infiltration requires 3 feet of separation from the bottom of the facility to a restrictive layer (wet season water table or hardpan). The soil investigation found dense lodgment till (hardpan) at only 6 to 18 inches below ground surface across the site, so the vertical separation criteria are not met. Bioretention Bioretention for the road surface runoff is not feasible due to inadequate soil depth. A bioretention planter or swale with a 6 inch freeboard, 6 inch storage depth and 18 inches of bioretention soil would place the bottom of the facility 30 inches below grade and in an impermeable soil layer, which on this site is only 6 to 18 inches below grade. Permeable Pavement Permeable Pavement is not feasible for the common access drive. A restrictive layer (hardpan) is present at only 6 inches below existing grade in the location of the common access drive (TP-1 and TP-2). Permeable pavement requires at least 1 foot from the bottom of the base material to a restrictive layer. Permeable pavement is considered feasible for the maintenance access road to the detention system. In this area, the restrictive layer is 18 inches below grade and finish grading 21 Becker Short Plat DCI 15378.21 will allow the vertical separation to be met. This maintenance access road is also considered non- pollution generating as it is not subject to regular vehicular use (per definition). Basic Dispersion Basic Dispersion for the common access road due to lack of available flow path. The 20-foot wide road would require a 2-foot dispersal strip followed by 10 feet of vegetated flow path for sheet flow dispersal. This area is not available next to the road. Other dispersion BMPs require even longer flow paths. Soil Amendment Soil amendment is feasible and shall be used in the landscape buffer and other areas disturbed by short plat development, such as over the detention system. 22 Becker Short Plat DCI 15378.21 Flow Control Facility A detention tank is proposed to provide flow control meeting the Flow Control Duration Standard Matching Forested Condition standard. Multiple iterations were run to determine an appropriate tank size and control structure configuration. The facility configuration is summarized in the following screen shot. The complete WWHM report is included in Appendix A. The report shows the proposed configuration “passes” the duration standard test. 23 Becker Short Plat DCI 15378.21 Part B – Water Quality Systems The project involves more than 5,000 SF of PGIS. A Stormfilter is proposed to provide the required Basic Water Quality treatment. Presettling is provided by the detention tanks. The required treatment flow rate was extracted from the WWHM analysis and is shown in the following screenshot. The treatment flow rate of 0.013 CFS (5.85 GPM) will require 1 ZPG Stormfilter cartridge (7.5 GPM/cartridge). The water quality treatment flow rate results are shown below. 24 Becker Short Plat DCI 15378.21 Section 5 Conveyance System Analysis and Design 25 Becker Short Plat DCI 15378.21 Section 5 – Conveyance System Analysis and Design The new conveyance pipe in Tract A will be a 12-inch CPEP with a minimum slope of 0.5%. The 100-year (pre-mitigation) flow rate was computed using WWHM to be 0.5 CFS. The proposed pipe has a full flow capacity of 2.5 CFS at 3.2 feet/second as shown below. If necessary, a backwater analysis will be performed at the final engineering stage. Full Flow Capacity for Pipe Input Parameters n0.013 Diameter 1.00 FT S 0.50% Slope Results Area 0.79 SQ. FT. Rh 0.25 FT Q2.53CFS V3.22Ft/Sec 26 Becker Short Plat DCI 15378.21 Section 6 Special Reports and Studies 27 Becker Short Plat DCI 15378.21 Section 6 – Special Reports and Studies A soil investigation was performed by the Riley Group Job 2018-139, dated July 3, 2018. A copy of their report is included herein. 28 July 3, 2018 Mark Woodbridge Builders Capital 5601 6th Avenue South #350 Seattle, Washington 98108 Subject: Stormwater Infiltration Feasibility Study 134 Elma Avenue Northeast Renton, Washington RGI Project No. 2018-139 Dear Mr. Woodbridge: As requested, The Riley Group, Inc. (RGI) is pleased to provide the results of our recent subsurface characterization services at 134 Elma Avenue Northeast in Renton, Washington (Figure 1). Subsurface Conditions RGI observed the completion of four test pits (TP-1, TP-2, TP-3, TP-4) to assess shallow subsurface soil and groundwater conditions for potential infiltration of stormwater at the Site. The test pits were completed using a subcontracted mini-excavator. The location of the four test pits are shown on Figure 2. Review of the Geologic map of the Renton quadrangle, King County, Washington, by Mullineaux, D.R. (1965) indicates that the soil in the project vicinity is mapped as Vashon-age lodgment till (Qvt), which is a nonsorted mixture of very dense silty sand with gravel and cobbles. Review of the Preliminary Geologic Map of Seattle and Vicinity, Washington, by Waldron, H.H, et al (1962) indicates that the soil in the project vicinity is mapped as Vashon-age lodgment till (Qvt), which is a nonsorted mixture of very dense silty sand with gravel and cobbles. In general the site soils encountered were comprised of a surface layer of sod and topsoil underlain by very dense, silty sand with gravel interpreted to be glacially consolidated lodgment till soils. No groundwater was encountered in any of the test probe borings. Infiltration Feasibility As described above glacially consolidated soils were encountered in all of the test probes completed at the site. In test pits TP-1, TP-2, and TP-3 the unweathered very dense lodgment till was encountered at a depth of six inches. In test pit TP-4 the unweathered very dense lodgment till was encountered at approximately 18 inches. Based on the presence of hydraulically restrictive soils comprised of glacially consolidated lodgment till at very shallow depths below the topsoil at the site and separation distances prescribed in City of Renton stormwater manual infiltration is considered infeasible at the Site. 29 30 USGS, 2014, Renton, Washington 7.5-Minute Quadrangle Approximate Scale: 1"=1000' 0 500 1000 2000 N Site Vicinity Map Figure 1 07/2018 Corporate Office 17522 Bothell Way Northeast Bothell, Washington 98011 Phone: 425.415.0551 Fax: 425.415.0311 Builders Capital Elma Avenue RGI Project Number 2018-139 Date Drawn: Address: 134 Elma Avenue Northeast, Renton, Washington 98059 SITE 31 TP-1TP-2TP-3TP-407/2018Corporate Office17522 Bothell Way NortheastBothell, Washington 98011Phone: 425.415.0551Fax: 425.415.0311Builders Capital Elma AvenueRGI Project Number2018-139Date Drawn:Address: 134 Elma Avenue Northeast, Renton, Washington 98059Site Plan with Test Pit LocationsFigure 2Approximate Scale: 1"=40'0 20 4080N= Test pit by RGI, 6/19/18= Site boundary32 Project Name:Builders Capital Elma AVE Project Number:2018-139 Client:Builders Capital Test Pit No.: TP-1 Date(s) Excavated:06/19/18 Excavation Method:Backhoe Excavator Type:Mini-excavator Groundwater Level:Not encountered Test Pit Backfill:Native Soil Logged By SL Bucket Size: Excavating Contractor:Kelly's Excavating Sampling Method(s)Continuous Location 134 Elma Avenue Northeast, Renton, WA 98059 Surface Conditions:Sod Total Depth of Excavation:5 feet bgs Approximate Surface Elevation n/a Compaction Method n/a USCS SymbolTop soil SM REMARKS AND OTHER TESTSGraphic LogMATERIAL DESCRIPTION Top soil Gray, silty SAND with gravel, very dense, moist (lodgment till) Test pit excavated to 5 feet bgs No groundwater encounteredDepth (feet)0 5 10 15 Sample NumberSample TypeElevation (feet)Sheet 1 of 1 The Riley Group, Inc. 17522 Bothell Way NE, Bothell, WA 98011 33 Project Name:Builders Capital Elma AVE Project Number:2018-139 Client:Builders Capital Test Pit No.: TP-2 Date(s) Excavated:06/19/18 Excavation Method:Backhoe Excavator Type:Mini-excavator Groundwater Level:Not encountered Test Pit Backfill:Native Soil Logged By SL Bucket Size: Excavating Contractor:Kelly's Excavating Sampling Method(s)Continuous Location 134 Elma Avenue Northeast, Renton, WA 98059 Surface Conditions:Sod Total Depth of Excavation:5 feet bgs Approximate Surface Elevation n/a Compaction Method n/a USCS SymbolTop soil SM REMARKS AND OTHER TESTSGraphic LogMATERIAL DESCRIPTION Top soil Gray, silty SAND with gravel, very dense, moist (lodgment till) Test pit excavated to 5 feet bgs No groundwater encounteredDepth (feet)0 5 10 15 Sample NumberSample TypeElevation (feet)Sheet 1 of 1 The Riley Group, Inc. 17522 Bothell Way NE, Bothell, WA 98011 34 Project Name:Builders Capital Elma AVE Project Number:2018-139 Client:Builders Capital Test Pit No.: TP-3 Date(s) Excavated:06/19/18 Excavation Method:Backhoe Excavator Type:Mini-excavator Groundwater Level:Not encountered Test Pit Backfill:Native Soil Logged By SL Bucket Size: Excavating Contractor:Kelly's Excavating Sampling Method(s)Continuous Location 134 Elma Avenue Northeast, Renton, WA 98059 Surface Conditions:Sod Total Depth of Excavation:5 feet bgs Approximate Surface Elevation n/a Compaction Method n/a USCS SymbolTop soil SM SM REMARKS AND OTHER TESTSGraphic LogMATERIAL DESCRIPTION Top soil Brown, silty SAND with gravel, dense, moist (weathered lodgment till) Gray, silty SAND with gravel, very dense, moist (lodgment till) Test pit excavated to 5 feet bgs No groundwater encounteredDepth (feet)0 5 10 15 Sample NumberSample TypeElevation (feet)Sheet 1 of 1 The Riley Group, Inc. 17522 Bothell Way NE, Bothell, WA 98011 35 Project Name:Builders Capital Elma AVE Project Number:2018-139 Client:Builders Capital Test Pit No.: TP-4 Date(s) Excavated:06/19/18 Excavation Method:Backhoe Excavator Type:Mini-excavator Groundwater Level:Not encountered Test Pit Backfill:Native Soil Logged By SL Bucket Size: Excavating Contractor:Kelly's Excavating Sampling Method(s)Continuous Location 134 Elma Avenue Northeast, Renton, WA 98059 Surface Conditions:Sod Total Depth of Excavation:5 feet bgs Approximate Surface Elevation n/a Compaction Method n/a USCS SymbolTop soil SM SM REMARKS AND OTHER TESTSGraphic LogMATERIAL DESCRIPTION Top soil Brown/gray, silty SAND with gravel, dense, moist (weathered lodgment till) Gray, silty SAND with gravel, very dense, moist (lodgment till) Test pit excavated to 5 feet bgs No groundwater encounteredDepth (feet)0 5 10 15 Sample NumberSample TypeElevation (feet)Sheet 1 of 1 The Riley Group, Inc. 17522 Bothell Way NE, Bothell, WA 98011 36 Project Name:Builders Capital Elma AVE Project Number:2018-139 Client:Builders Capital Key to Logs USCS SymbolREMARKS AND OTHER TESTSGraphic LogMATERIAL DESCRIPTIONDepth (feet)Sample NumberSample TypeElevation (feet)1 2 3 4 5 6 7 8 COLUMN DESCRIPTIONS 1 Elevation (feet): Elevation (MSL, feet). 2 Depth (feet): Depth in feet below the ground surface. 3 Sample Type: Type of soil sample collected at the depth interval shown. 4 Sample Number: Sample identification number. 5 USCS Symbol: USCS symbol of the subsurface material. 6 Graphic Log: Graphic depiction of the subsurface material encountered. 7 MATERIAL DESCRIPTION: Description of material encountered. May include consistency, moisture, color, and other descriptive text. 8 REMARKS AND OTHER TESTS: Comments and observations regarding drilling or sampling made by driller or field personnel. FIELD AND LABORATORY TEST ABBREVIATIONS CHEM: Chemical tests to assess corrosivity COMP: Compaction test CONS: One-dimensional consolidation test LL: Liquid Limit, percent PI: Plasticity Index, percent SA: Sieve analysis (percent passing No. 200 Sieve) UC: Unconfined compressive strength test, Qu, in ksf WA: Wash sieve (percent passing No. 200 Sieve) MATERIAL GRAPHIC SYMBOLS Silty SAND (SM) TYPICAL SAMPLER GRAPHIC SYMBOLS Auger sampler Bulk Sample 3-inch-OD California w/ brass rings CME Sampler Grab Sample 2.5-inch-OD Modified California w/ brass liners Pitcher Sample 2-inch-OD unlined split spoon (SPT) Shelby Tube (Thin-walled, fixed head) OTHER GRAPHIC SYMBOLS Water level (at time of drilling, ATD) Water level (after waiting) Minor change in material properties within a stratum Inferred/gradational contact between strata ?Queried contact between strata GENERAL NOTES 1: Soil classifications are based on the Unified Soil Classification System. Descriptions and stratum lines are interpretive, and actual lithologic changes may be gradual. Field descriptions may have been modified to reflect results of lab tests. 2: Descriptions on these logs apply only at the specific boring locations and at the time the borings were advanced. They are not warranted to be representative of subsurface conditions at other locations or times. Sheet 1 of 1 The Riley Group, Inc. 17522 Bothell Way NE, Bothell, WA 98011 37 Becker Short Plat DCI 15378.21 Section 7 Other Permits 38 Becker Short Plat DCI 15378.21 Section 7 – Other Permits Right-of-Way Use and Civil construction permits will be required for site and frontage improvements. Building permits will be required for the future houses. Approximately 43,000 SF of land will be disturbed, which is below the threshold for requiring NPDES coverage. 39 Becker Short Plat DCI 15378.21 Section 8 CSWPP Plan Analysis and Design 40 Becker Short Plat DCI 15378.21 Section 8 – CSWPP Plan Analysis and Design This Section will be completed at the final engineering stage of the project, prior to Civil construction plan approval. 41 Becker Short Plat DCI 15378.21 Section 9 Bond Quantities, Facility Summaries, and Declaration of Covenant 42 Becker Short Plat DCI 15378.21 Section 9 – Bond Quantities, Facility Summaries, and Declaration of Covenant This Section will be completed at the final engineering stage of the project, prior to Civil construction plan approval. 43 Becker Short Plat DCI 15378.21 Section 10 Operations and Maintenance Manual 44 Becker Short Plat DCI 15378.21 Section 10 – Operations and Maintenance Manual This Section will be completed at the final engineering stage of the project, prior to Civil construction plan approval. 45 Becker Short Plat DCI 15378.21 Appendix A WWHM Report 46 WWHM2012 PROJECT REPORT 47 elmawwhm v2 10/5/2018 4:11:45 PM Page 2 General Model Information Project Name:elmawwhm v2 Site Name:Elma Short Plat Site Address: City:Renton WA Report Date:10/5/2018 Gage:Seatac Data Start:1948/10/01 Data End:2009/09/30 Timestep:15 Minute Precip Scale:0.00 (adjusted) Version Date:2015/11/05 Version:4.2.11 POC Thresholds Low Flow Threshold for POC1:50 Percent of the 2 Year High Flow Threshold for POC1:50 Year 48 elmawwhm v2 10/5/2018 4:11:45 PM Page 3 Landuse Basin Data Predeveloped Land Use Basin 1 Bypass:No GroundWater:No Pervious Land Use acre C, Forest, Flat 0.953 Pervious Total 0.953 Impervious Land Use acre Impervious Total 0 Basin Total 0.953 Element Flows To: Surface Interflow Groundwater 49 elmawwhm v2 10/5/2018 4:11:45 PM Page 4 Mitigated Land Use Basin 1 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Flat 0.496 Pervious Total 0.496 Impervious Land Use acre ROOF TOPS FLAT 0.458 Impervious Total 0.458 Basin Total 0.954 Element Flows To: Surface Interflow Groundwater Tank 1 Tank 1 50 elmawwhm v2 10/5/2018 4:11:45 PM Page 5 Routing Elements Predeveloped Routing 51 elmawwhm v2 10/5/2018 4:11:45 PM Page 6 Mitigated Routing Tank 1 Dimensions Depth:8 ft. Tank Type:Circular Diameter:8 ft. Length:238 ft. Discharge Structure Riser Height:7.5 ft. Riser Diameter:18 in. Orifice 1 Diameter:0.52 in.Elevation:0.5 ft. Orifice 2 Diameter:0.75 in.Elevation:4.6 ft. Orifice 3 Diameter:0.52 in.Elevation:5.2 ft. Element Flows To: Outlet 1 Outlet 2 Tank Hydraulic Table Stage(feet)Area(ac.)Volume(ac-ft.)Discharge(cfs)Infilt(cfs) 0.0000 0.000 0.000 0.000 0.000 0.0889 0.009 0.000 0.000 0.000 0.1778 0.012 0.001 0.000 0.000 0.2667 0.015 0.002 0.000 0.000 0.3556 0.018 0.004 0.000 0.000 0.4444 0.020 0.006 0.000 0.000 0.5333 0.021 0.007 0.001 0.000 0.6222 0.023 0.009 0.002 0.000 0.7111 0.024 0.012 0.003 0.000 0.8000 0.026 0.014 0.004 0.000 0.8889 0.027 0.016 0.004 0.000 0.9778 0.028 0.019 0.005 0.000 1.0667 0.029 0.021 0.005 0.000 1.1556 0.030 0.024 0.005 0.000 1.2444 0.031 0.027 0.006 0.000 1.3333 0.032 0.030 0.006 0.000 1.4222 0.033 0.033 0.007 0.000 1.5111 0.034 0.036 0.007 0.000 1.6000 0.035 0.039 0.007 0.000 1.6889 0.035 0.042 0.008 0.000 1.7778 0.036 0.045 0.008 0.000 1.8667 0.037 0.048 0.008 0.000 1.9556 0.037 0.052 0.008 0.000 2.0444 0.038 0.055 0.009 0.000 2.1333 0.038 0.058 0.009 0.000 2.2222 0.039 0.062 0.009 0.000 2.3111 0.039 0.065 0.009 0.000 2.4000 0.040 0.069 0.010 0.000 2.4889 0.040 0.072 0.010 0.000 2.5778 0.040 0.076 0.010 0.000 2.6667 0.041 0.080 0.010 0.000 2.7556 0.041 0.083 0.011 0.000 2.8444 0.041 0.087 0.011 0.000 2.9333 0.042 0.091 0.011 0.000 3.0222 0.042 0.095 0.011 0.000 3.1111 0.042 0.098 0.011 0.000 52 elmawwhm v2 10/5/2018 4:11:45 PM Page 7 3.2000 0.042 0.102 0.012 0.000 3.2889 0.043 0.106 0.012 0.000 3.3778 0.043 0.110 0.012 0.000 3.4667 0.043 0.114 0.012 0.000 3.5556 0.043 0.117 0.012 0.000 3.6444 0.043 0.121 0.013 0.000 3.7333 0.043 0.125 0.013 0.000 3.8222 0.043 0.129 0.013 0.000 3.9111 0.043 0.133 0.013 0.000 4.0000 0.043 0.137 0.013 0.000 4.0889 0.043 0.141 0.013 0.000 4.1778 0.043 0.145 0.014 0.000 4.2667 0.043 0.149 0.014 0.000 4.3556 0.043 0.152 0.014 0.000 4.4444 0.043 0.156 0.014 0.000 4.5333 0.043 0.160 0.014 0.000 4.6222 0.043 0.164 0.017 0.000 4.7111 0.043 0.168 0.020 0.000 4.8000 0.042 0.172 0.022 0.000 4.8889 0.042 0.175 0.023 0.000 4.9778 0.042 0.179 0.024 0.000 5.0667 0.042 0.183 0.026 0.000 5.1556 0.041 0.187 0.027 0.000 5.2444 0.041 0.190 0.029 0.000 5.3333 0.041 0.194 0.031 0.000 5.4222 0.040 0.198 0.033 0.000 5.5111 0.040 0.201 0.035 0.000 5.6000 0.040 0.205 0.036 0.000 5.6889 0.039 0.208 0.037 0.000 5.7778 0.039 0.212 0.039 0.000 5.8667 0.038 0.215 0.040 0.000 5.9556 0.038 0.219 0.041 0.000 6.0444 0.037 0.222 0.042 0.000 6.1333 0.037 0.225 0.043 0.000 6.2222 0.036 0.229 0.044 0.000 6.3111 0.035 0.232 0.045 0.000 6.4000 0.035 0.235 0.046 0.000 6.4889 0.034 0.238 0.047 0.000 6.5778 0.033 0.241 0.048 0.000 6.6667 0.032 0.244 0.049 0.000 6.7556 0.031 0.247 0.049 0.000 6.8444 0.030 0.250 0.050 0.000 6.9333 0.029 0.252 0.051 0.000 7.0222 0.028 0.255 0.052 0.000 7.1111 0.027 0.258 0.053 0.000 7.2000 0.026 0.260 0.054 0.000 7.2889 0.024 0.262 0.054 0.000 7.3778 0.023 0.264 0.055 0.000 7.4667 0.021 0.266 0.056 0.000 7.5556 0.020 0.268 0.265 0.000 7.6444 0.018 0.270 0.926 0.000 7.7333 0.015 0.271 1.814 0.000 7.8222 0.012 0.273 2.814 0.000 7.9111 0.009 0.274 3.812 0.000 8.0000 0.000 0.274 4.699 0.000 8.0889 0.000 0.000 5.391 0.000 53 elmawwhm v2 10/5/2018 4:11:45 PM Page 8 Analysis Results POC 1 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #1 Total Pervious Area:0.953 Total Impervious Area:0 Mitigated Landuse Totals for POC #1 Total Pervious Area:0.496 Total Impervious Area:0.458 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.028019 5 year 0.044005 10 year 0.053064 25 year 0.062662 50 year 0.068601 100 year 0.073653 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0.016884 5 year 0.026319 10 year 0.034177 25 year 0.046203 50 year 0.056863 100 year 0.06914 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 0.028 0.012 1950 0.034 0.015 1951 0.062 0.045 1952 0.019 0.011 1953 0.016 0.013 1954 0.024 0.014 1955 0.039 0.013 1956 0.031 0.025 1957 0.025 0.014 1958 0.028 0.014 54 elmawwhm v2 10/5/2018 4:12:29 PM Page 9 1959 0.024 0.012 1960 0.042 0.039 1961 0.024 0.016 1962 0.015 0.011 1963 0.020 0.014 1964 0.026 0.014 1965 0.019 0.024 1966 0.018 0.013 1967 0.038 0.014 1968 0.024 0.013 1969 0.023 0.013 1970 0.019 0.014 1971 0.021 0.014 1972 0.046 0.037 1973 0.021 0.023 1974 0.023 0.014 1975 0.031 0.013 1976 0.022 0.014 1977 0.003 0.011 1978 0.019 0.015 1979 0.012 0.010 1980 0.044 0.040 1981 0.017 0.013 1982 0.033 0.026 1983 0.030 0.014 1984 0.019 0.011 1985 0.011 0.012 1986 0.049 0.020 1987 0.043 0.032 1988 0.017 0.012 1989 0.011 0.011 1990 0.090 0.041 1991 0.054 0.035 1992 0.021 0.016 1993 0.022 0.011 1994 0.007 0.010 1995 0.031 0.016 1996 0.066 0.045 1997 0.055 0.045 1998 0.012 0.011 1999 0.051 0.035 2000 0.022 0.014 2001 0.004 0.009 2002 0.024 0.023 2003 0.030 0.013 2004 0.039 0.041 2005 0.028 0.014 2006 0.033 0.024 2007 0.067 0.053 2008 0.086 0.044 2009 0.042 0.022 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 0.0898 0.0532 2 0.0860 0.0454 3 0.0667 0.0448 55 elmawwhm v2 10/5/2018 4:12:29 PM Page 10 4 0.0657 0.0448 5 0.0617 0.0444 6 0.0549 0.0413 7 0.0541 0.0409 8 0.0515 0.0398 9 0.0486 0.0386 10 0.0459 0.0371 11 0.0435 0.0355 12 0.0430 0.0353 13 0.0422 0.0315 14 0.0417 0.0258 15 0.0392 0.0249 16 0.0385 0.0241 17 0.0381 0.0240 18 0.0343 0.0232 19 0.0335 0.0226 20 0.0332 0.0217 21 0.0312 0.0200 22 0.0307 0.0162 23 0.0306 0.0159 24 0.0303 0.0157 25 0.0300 0.0151 26 0.0281 0.0145 27 0.0279 0.0143 28 0.0275 0.0142 29 0.0265 0.0142 30 0.0247 0.0142 31 0.0241 0.0141 32 0.0239 0.0140 33 0.0238 0.0140 34 0.0237 0.0138 35 0.0235 0.0137 36 0.0233 0.0137 37 0.0227 0.0136 38 0.0222 0.0136 39 0.0217 0.0135 40 0.0217 0.0135 41 0.0209 0.0134 42 0.0209 0.0132 43 0.0205 0.0130 44 0.0201 0.0128 45 0.0195 0.0128 46 0.0194 0.0128 47 0.0192 0.0127 48 0.0189 0.0121 49 0.0185 0.0121 50 0.0182 0.0118 51 0.0174 0.0117 52 0.0170 0.0115 53 0.0157 0.0115 54 0.0146 0.0114 55 0.0124 0.0114 56 0.0118 0.0110 57 0.0111 0.0107 58 0.0110 0.0106 59 0.0073 0.0103 60 0.0039 0.0100 61 0.0026 0.0093 56 elmawwhm v2 10/5/2018 4:12:29 PM Page 1157 elmawwhm v2 10/5/2018 4:12:29 PM Page 12 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0140 17582 14822 84 Pass 0.0146 16164 9822 60 Pass 0.0151 14968 7991 53 Pass 0.0157 13856 7629 55 Pass 0.0162 12818 7294 56 Pass 0.0168 11815 7016 59 Pass 0.0173 10904 6708 61 Pass 0.0179 10128 6485 64 Pass 0.0184 9383 6231 66 Pass 0.0190 8731 5976 68 Pass 0.0195 8147 5728 70 Pass 0.0201 7597 5452 71 Pass 0.0206 7065 5168 73 Pass 0.0212 6592 4928 74 Pass 0.0217 6151 4581 74 Pass 0.0223 5777 4246 73 Pass 0.0228 5431 3989 73 Pass 0.0234 5099 3771 73 Pass 0.0239 4808 3580 74 Pass 0.0245 4528 3377 74 Pass 0.0250 4254 3189 74 Pass 0.0256 4019 2958 73 Pass 0.0261 3782 2772 73 Pass 0.0267 3546 2642 74 Pass 0.0272 3339 2511 75 Pass 0.0278 3138 2432 77 Pass 0.0283 2954 2344 79 Pass 0.0289 2787 2265 81 Pass 0.0294 2599 2188 84 Pass 0.0300 2447 2122 86 Pass 0.0306 2304 2017 87 Pass 0.0311 2162 1935 89 Pass 0.0317 2026 1841 90 Pass 0.0322 1900 1774 93 Pass 0.0328 1790 1704 95 Pass 0.0333 1689 1638 96 Pass 0.0339 1584 1538 97 Pass 0.0344 1483 1433 96 Pass 0.0350 1380 1343 97 Pass 0.0355 1292 1241 96 Pass 0.0361 1221 1171 95 Pass 0.0366 1155 1110 96 Pass 0.0372 1098 1035 94 Pass 0.0377 1048 978 93 Pass 0.0383 997 908 91 Pass 0.0388 930 848 91 Pass 0.0394 883 781 88 Pass 0.0399 837 675 80 Pass 0.0405 789 609 77 Pass 0.0410 743 505 67 Pass 0.0416 713 441 61 Pass 0.0421 668 395 59 Pass 0.0427 630 351 55 Pass 58 elmawwhm v2 10/5/2018 4:12:29 PM Page 13 0.0432 596 277 46 Pass 0.0438 566 237 41 Pass 0.0443 539 198 36 Pass 0.0449 497 149 29 Pass 0.0454 473 128 27 Pass 0.0460 434 125 28 Pass 0.0465 399 120 30 Pass 0.0471 366 117 31 Pass 0.0476 348 112 32 Pass 0.0482 323 109 33 Pass 0.0487 296 104 35 Pass 0.0493 272 99 36 Pass 0.0499 256 85 33 Pass 0.0504 235 74 31 Pass 0.0510 217 58 26 Pass 0.0515 195 49 25 Pass 0.0521 180 39 21 Pass 0.0526 158 29 18 Pass 0.0532 145 0 0 Pass 0.0537 129 0 0 Pass 0.0543 119 0 0 Pass 0.0548 109 0 0 Pass 0.0554 97 0 0 Pass 0.0559 91 0 0 Pass 0.0565 82 0 0 Pass 0.0570 76 0 0 Pass 0.0576 69 0 0 Pass 0.0581 61 0 0 Pass 0.0587 54 0 0 Pass 0.0592 48 0 0 Pass 0.0598 41 0 0 Pass 0.0603 38 0 0 Pass 0.0609 33 0 0 Pass 0.0614 27 0 0 Pass 0.0620 22 0 0 Pass 0.0625 21 0 0 Pass 0.0631 20 0 0 Pass 0.0636 19 0 0 Pass 0.0642 17 0 0 Pass 0.0647 13 0 0 Pass 0.0653 12 0 0 Pass 0.0658 8 0 0 Pass 0.0664 4 0 0 Pass 0.0669 3 0 0 Pass 0.0675 3 0 0 Pass 0.0680 3 0 0 Pass 0.0686 3 0 0 Pass 59 elmawwhm v2 10/5/2018 4:12:29 PM Page 14 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume:0.0257 acre-feet On-line facility target flow:0.013 cfs. Adjusted for 15 min:0.013 cfs. Off-line facility target flow:0.0088 cfs. Adjusted for 15 min:0.0088 cfs. 60 elmawwhm v2 10/5/2018 4:12:29 PM Page 15 LID Report 61 elmawwhm v2 10/5/2018 4:13:01 PM Page 16 Model Default Modifications Total of 0 changes have been made. PERLND Changes No PERLND changes have been made. IMPLND Changes No IMPLND changes have been made. 62 elmawwhm v2 10/5/2018 4:13:01 PM Page 17 Appendix Predeveloped Schematic 63 elmawwhm v2 10/5/2018 4:13:02 PM Page 18 Mitigated Schematic 64 elmawwhm v2 10/5/2018 4:13:02 PM Page 19 Predeveloped UCI File 65 elmawwhm v2 10/5/2018 4:13:02 PM Page 20 Mitigated UCI File RUN GLOBAL WWHM4 model simulation START 1948 10 01 END 2009 09 30 RUN INTERP OUTPUT LEVEL 3 0 RESUME 0 RUN 1 UNIT SYSTEM 1 END GLOBAL FILES <File> <Un#> <-----------File Name------------------------------>*** <-ID-> *** WDM 26 elmawwhm v2.wdm MESSU 25 Mitelmawwhm v2.MES 27 Mitelmawwhm v2.L61 28 Mitelmawwhm v2.L62 30 POCelmawwhm v21.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 16 IMPLND 4 RCHRES 1 COPY 1 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 Tank 1 MAX 1 2 30 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 END TIMESERIES END COPY GENER OPCODE # # OPCD *** END OPCODE PARM # # K *** END PARM END GENER PERLND GEN-INFO <PLS ><-------Name------->NBLKS Unit-systems Printer *** # - # User t-series Engl Metr *** in out *** 16 C, Lawn, Flat 1 1 1 1 27 0 END GEN-INFO *** Section PWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC *** 16 0 0 1 0 0 0 0 0 0 0 0 0 END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* 66 elmawwhm v2 10/5/2018 4:13:02 PM Page 21 16 0 0 4 0 0 0 0 0 0 0 0 0 1 9 END PRINT-INFO PWAT-PARM1 <PLS > PWATER variable monthly parameter value flags *** # - # CSNO RTOP UZFG VCS VUZ VNN VIFW VIRC VLE INFC HWT *** 16 0 0 0 0 0 0 0 0 0 0 0 END PWAT-PARM1 PWAT-PARM2 <PLS > PWATER input info: Part 2 *** # - # ***FOREST LZSN INFILT LSUR SLSUR KVARY AGWRC 16 0 4.5 0.03 400 0.05 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 16 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 16 0.1 0.25 0.25 6 0.5 0.25 END PWAT-PARM4 PWAT-STATE1 <PLS > *** Initial conditions at start of simulation ran from 1990 to end of 1992 (pat 1-11-95) RUN 21 *** # - # *** CEPS SURS UZS IFWS LZS AGWS GWVS 16 0 0 0 0 2.5 1 0 END PWAT-STATE1 END PERLND IMPLND GEN-INFO <PLS ><-------Name-------> Unit-systems Printer *** # - # User t-series Engl Metr *** in out *** 4 ROOF TOPS/FLAT 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 4 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 4 0 0 4 0 0 0 1 9 END PRINT-INFO IWAT-PARM1 <PLS > IWATER variable monthly parameter value flags *** # - # CSNO RTOP VRS VNN RTLI *** 4 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 4 400 0.01 0.1 0.1 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** 67 elmawwhm v2 10/5/2018 4:13:02 PM Page 22 # - # ***PETMAX PETMIN 4 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 4 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** Basin 1*** PERLND 16 0.496 RCHRES 1 2 PERLND 16 0.496 RCHRES 1 3 IMPLND 4 0.458 RCHRES 1 5 ******Routing****** PERLND 16 0.496 COPY 1 12 IMPLND 4 0.458 COPY 1 15 PERLND 16 0.496 COPY 1 13 RCHRES 1 1 COPY 501 16 END SCHEMATIC NETWORK <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** COPY 501 OUTPUT MEAN 1 1 48.4 DISPLY 1 INPUT TIMSER 1 <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** END NETWORK RCHRES GEN-INFO RCHRES Name Nexits Unit Systems Printer *** # - #<------------------><---> User T-series Engl Metr LKFG *** in out *** 1 Tank 1 1 1 1 1 28 0 1 END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** 1 1 0 0 0 0 0 0 0 0 0 END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 1 4 0 0 0 0 0 0 0 0 0 1 9 END PRINT-INFO HYDR-PARM1 RCHRES Flags for each HYDR Section *** # - # VC A1 A2 A3 ODFVFG for each *** ODGTFG for each FUNCT for each FG FG FG FG possible exit *** possible exit possible exit * * * * * * * * * * * * * * *** 1 0 1 0 0 4 0 0 0 0 0 0 0 0 0 2 2 2 2 2 END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 68 elmawwhm v2 10/5/2018 4:13:02 PM Page 23 1 1 0.05 0.0 0.0 0.5 0.0 END HYDR-PARM2 HYDR-INIT RCHRES Initial conditions for each HYDR section *** # - # *** VOL Initial value of COLIND Initial value of OUTDGT *** ac-ft for each possible exit for each possible exit <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> 1 0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES FTABLE 1 91 4 Depth Area Volume Outflow1 Velocity Travel Time*** (ft) (acres) (acre-ft) (cfs) (ft/sec) (Minutes)*** 0.000000 0.000000 0.000000 0.000000 0.088889 0.009164 0.000544 0.000000 0.177778 0.012886 0.001534 0.000000 0.266667 0.015692 0.002809 0.000000 0.355556 0.018015 0.004310 0.000000 0.444444 0.020024 0.006002 0.000000 0.533333 0.021806 0.007863 0.001340 0.622222 0.023413 0.009874 0.002565 0.711111 0.024878 0.012021 0.003371 0.800000 0.026226 0.014293 0.004019 0.888889 0.027473 0.016681 0.004576 0.977778 0.028634 0.019175 0.005072 1.066667 0.029717 0.021769 0.005524 1.155556 0.030731 0.024456 0.005941 1.244444 0.031684 0.027230 0.006331 1.333333 0.032579 0.030087 0.006698 1.422222 0.033423 0.033021 0.007047 1.511111 0.034218 0.036027 0.007378 1.600000 0.034968 0.039102 0.007696 1.688889 0.035676 0.042242 0.008001 1.777778 0.036344 0.045444 0.008295 1.866667 0.036974 0.048702 0.008578 1.955556 0.037569 0.052016 0.008853 2.044444 0.038130 0.055380 0.009119 2.133333 0.038658 0.058793 0.009378 2.222222 0.039156 0.062252 0.009630 2.311111 0.039623 0.065754 0.009875 2.400000 0.040061 0.069295 0.010114 2.488889 0.040471 0.072875 0.010348 2.577778 0.040854 0.076489 0.010577 2.666667 0.041210 0.080137 0.010801 2.755556 0.041541 0.083815 0.011020 2.844444 0.041846 0.087521 0.011235 2.933333 0.042127 0.091253 0.011446 3.022222 0.042384 0.095009 0.011654 3.111111 0.042617 0.098787 0.011857 3.200000 0.042827 0.102585 0.012057 3.288889 0.043014 0.106400 0.012254 3.377778 0.043178 0.110231 0.012448 3.466667 0.043320 0.114076 0.012639 3.555556 0.043439 0.117932 0.012827 3.644444 0.043537 0.121798 0.013012 3.733333 0.043613 0.125671 0.013194 3.822222 0.043667 0.129550 0.013375 3.911111 0.043699 0.133433 0.013552 4.000000 0.043710 0.137318 0.013728 4.088889 0.043699 0.141203 0.013901 4.177778 0.043667 0.145087 0.014072 4.266667 0.043613 0.148966 0.014241 4.355556 0.043537 0.152839 0.014408 4.444444 0.043439 0.156705 0.014573 4.533333 0.043320 0.160561 0.014737 69 elmawwhm v2 10/5/2018 4:13:02 PM Page 24 4.622222 0.043178 0.164406 0.017174 4.711111 0.043014 0.168236 0.020146 4.800000 0.042827 0.172052 0.022042 4.888889 0.042617 0.175849 0.023577 4.977778 0.042384 0.179627 0.024909 5.066667 0.042127 0.183384 0.026108 5.155556 0.041846 0.187116 0.027210 5.244444 0.041541 0.190822 0.029784 5.333333 0.041210 0.194500 0.031883 5.422222 0.040854 0.198148 0.033580 5.511111 0.040471 0.201762 0.035089 5.600000 0.040061 0.205342 0.036476 5.688889 0.039623 0.208883 0.037774 5.777778 0.039156 0.212385 0.039001 5.866667 0.038658 0.215843 0.040170 5.955556 0.038130 0.219257 0.041289 6.044444 0.037569 0.222621 0.042367 6.133333 0.036974 0.225935 0.043407 6.222222 0.036344 0.229193 0.044414 6.311111 0.035676 0.232395 0.045391 6.400000 0.034968 0.235535 0.046341 6.488889 0.034218 0.238610 0.047267 6.577778 0.033423 0.241616 0.048170 6.666667 0.032579 0.244550 0.049052 6.755556 0.031684 0.247407 0.049915 6.844444 0.030731 0.250181 0.050761 6.933333 0.029717 0.252868 0.051589 7.022222 0.028634 0.255462 0.052402 7.111111 0.027473 0.257956 0.053200 7.200000 0.026226 0.260344 0.053984 7.288889 0.024878 0.262616 0.054755 7.377778 0.023413 0.264763 0.055513 7.466667 0.021806 0.266774 0.056260 7.555556 0.020024 0.268635 0.265266 7.644444 0.018015 0.270327 0.926711 7.733333 0.015692 0.271828 1.814684 7.822222 0.012886 0.273103 2.814524 7.911111 0.009164 0.274093 3.812749 8.000000 0.000000 0.274637 4.699612 END FTABLE 1 END FTABLES EXT SOURCES <-Volume-> <Member> SsysSgap<--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # tem strg<-factor->strg <Name> # # <Name> # # *** WDM 2 PREC ENGL 1 PERLND 1 999 EXTNL PREC WDM 2 PREC ENGL 1 IMPLND 1 999 EXTNL PREC WDM 1 EVAP ENGL 0.76 PERLND 1 999 EXTNL PETINP WDM 1 EVAP ENGL 0.76 IMPLND 1 999 EXTNL PETINP END EXT SOURCES EXT TARGETS <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Volume-> <Member> Tsys Tgap Amd *** <Name> # <Name> # #<-factor->strg <Name> # <Name> tem strg strg*** RCHRES 1 HYDR RO 1 1 1 WDM 1000 FLOW ENGL REPL RCHRES 1 HYDR STAGE 1 1 1 WDM 1001 STAG ENGL REPL COPY 1 OUTPUT MEAN 1 1 48.4 WDM 701 FLOW ENGL REPL COPY 501 OUTPUT MEAN 1 1 48.4 WDM 801 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** MASS-LINK 2 PERLND PWATER SURO 0.083333 RCHRES INFLOW IVOL END MASS-LINK 2 MASS-LINK 3 PERLND PWATER IFWO 0.083333 RCHRES INFLOW IVOL 70 elmawwhm v2 10/5/2018 4:13:02 PM Page 25 END MASS-LINK 3 MASS-LINK 5 IMPLND IWATER SURO 0.083333 RCHRES INFLOW IVOL END MASS-LINK 5 MASS-LINK 12 PERLND PWATER SURO 0.083333 COPY INPUT MEAN END MASS-LINK 12 MASS-LINK 13 PERLND PWATER IFWO 0.083333 COPY INPUT MEAN END MASS-LINK 13 MASS-LINK 15 IMPLND IWATER SURO 0.083333 COPY INPUT MEAN END MASS-LINK 15 MASS-LINK 16 RCHRES ROFLOW COPY INPUT MEAN END MASS-LINK 16 END MASS-LINK END RUN 71 elmawwhm v2 10/5/2018 4:13:02 PM Page 26 Predeveloped HSPF Message File 72 elmawwhm v2 10/5/2018 4:13:02 PM Page 27 Mitigated HSPF Message File 73 elmawwhm v2 10/5/2018 4:13:02 PM Page 28 Disclaimer Legal Notice This program and accompanying documentation are provided 'as-is' without warranty of any kind. The entire risk regarding the performance and results of this program is assumed by End User. Clear Creek Solutions Inc. and the governmental licensee or sublicensees disclaim all warranties, either expressed or implied, including but not limited to implied warranties of program and accompanying documentation. In no event shall Clear Creek Solutions Inc. be liable for any damages whatsoever (including without limitation to damages for loss of business profits, loss of business information, business interruption, and the like) arising out of the use of, or inability to use this program even if Clear Creek Solutions Inc. or their authorized representatives have been advised of the possibility of such damages. Software Copyright © by : Clear Creek Solutions, Inc. 2005-2018; All Rights Reserved. Clear Creek Solutions, Inc. 6200 Capitol Blvd. Ste F Olympia, WA. 98501 Toll Free 1(866)943-0304 Local (360)943-0304 www.clearcreeksolutions.com 74