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TIR-3971
FINAL R-3971LUA-17000390 PR-17000187 C-17004096 IN COMPIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING Ann Fowler 02/05/2018 SURFACE WATER UTILITY rstraka 02/06/2018 Table of Contents Section 1. Project Overview Section 2. Conditions and Requirements Summary Section 3. Off-Site Analysis Section 4. Flow Control, LID, & Water Quality Facility Analysis and Design Section 5. Conveyance System Analysis and Design Section 6. Special Reports and Studies Section 7. Other Permits Section 8. CSWPP Analysis and Design Section 9. Bond Quantities, Facility Summaries, & Declaration of Covenant Section 10. Operations and Maintenance Manual List of Figures 1.1 TIR Worksheet 1.2 Site Location 1.3 Drainage Basins, Subbasins, and Site Characteristics 1.4 Soils Map 3.1 Site Topography, Drainage Complaints, and Environmental Hazards 3.2 Downstream Analysis Flow Path 3.3 Off-Site Analysis Drainage System Table Appendix A Basin Exhibits B Hydrology Model Output C Geotechnical Engineering Feasibility Report D Operations and Maintenance Manual E Geotechnical Report Addendum \\esm8\engr\esm-jobs\1938\001\016\document\rprt-002.docx Section Tab #1 1. Project Overview The purpose of this Technical Information Report is to encapsulate the documents and analysis required by the Full Drainage Review in the 2017 Renton Surface Water Design Manual (SWDM). Existing Site: The proposed Earlington Townhomes PUD project site is located in the NE quarter of Section 13, Township 23 North, Range 04 East, W.M. in the City of Renton, WA. More specifically, the project site is located on the northwest corner of the intersection of Renton Avenue S & S 132nd Street. Parcels numbers included in the project are 214480-0295, - 0285, -0500, -0488, and -0487. The 4.2-acre parcel group is zoned R-14 and will be developed in accordance with the applicable City of Renton code. See Figures 1.2 and 1.3.1 for the location map and a visual representation of the existing site conditions. Existing Site Hydrology: The existing site is partially developed with a single family residence with landscaped areas and a large number of outbuildings with paved driveways. The remainder of the site is vegetated with a few trees. The property slopes to the south at 8 to 15 percent. Stormwater runoff generally drains to the south, to the S 132nd Street public right-of-way (ROW) and into the existing public stormwater drainage system. The site is located in the West Lake Washington drainage basin (WRIA number: 8). See Section 3 for more information. Proposed Site Improvements: The proposed development includes the demolition of existing structures and the construction of 60 townhomes with driveways, access road, utility services, and a storm tract for the detention facility within the project site. Figure 1.3.3 shows the proposed site improvements. Proposed Site Hydrology: The proposed onsite stormwater conveyance system will collect and convey runoff from the developed project site to the existing stormwater drainage system in the ROW of Renton Ave S. The flows will converge with the existing downstream flow path within a ¼ mile downstream of the project site to avoid draining to private property. See Sections 4 and 5 of this report for more information. Stormwater Runoff Mitigation Standard: As detailed in the pre-application meeting notes, the proposed development must comply with the Flow Control Duration Standard Matching Forested Condition Areas (hereafter referred to as the Flow Control Standard) per Section 1.2.3.1.B of the SWDM. See Section 4 of this report for more information. Soils on the Project Site: The Geotechnical Engineering Feasibility Report (Appendix C) estimates the soils onsite include recessional outwash overlaying lodgment till. Refer to Figure 1.4 and the Geotechnical Engineering Feasibility Report for more information. On-Site BMP’s: All applicable Low Impact Development (LID) On-Site BMP’s are listed and explained in Section 4 of this report. Blue Fern Development, LLC (425) 629 - 3854 11232 120th Ave NE, Suite #204 Kirkland, WA 98033 Pete Gonzales ESM Consulting Engineers, LLC (253) 838 - 6113 Earlington Townhomes C17004096 23 04E 13 13043 Renton Ave S Renton, WA 98178 NPDES - Construction Permit Flow Control Duration Standard and Basic Water Quality Treatment West Lake Washington - Seattle South N/A N/A Recessional Outwash Lodgement Till 10% - 20% 10% - 20% Medium Medium Poor infiltration The boundary of the project site defines a single threshold discharge area for the site. All 9 Core Requirements apply 1 March 20, 2017 Durations matching predeveloped forested conditions Permeable Concrete in sidewalks N/A Kurt Merriman (425) 827 - 7701 N/A N/A Residential None There will be storm drain catch basin cartridge filters used for treatment and a detention vault for flow mitigation. Maintenance of the pipes and CBs noted as private will be privately maintained. Maintenance of the pipes and CBs within the public ROW and the vault will be public. Vault Permeable Sidewalk CB Cartridge Filters King County Date: 3/16/2017 Notes: ±The information included on this map has been compiled by King County staff from a variety of sources and issubject to change without notice. King County makes no representations or warranties, express or implied,as to accuracy, completeness, timeliness, or rights to the use of such information. This document is not intendedfor use as a survey product. King County shall not be liable for any general, special, indirect, incidental, orconsequential damages including, but not limited to, lost revenues or lost profits resulting from the use or misuseof the information contained on this map. Any sale of this map or information on this map is prohibited except bywritten permission of King County. Figure 1.1 - Vicinity Map Project Site Figure 1.2 - Site Location n CONTOUR INTERVAL = 2' SCALE: 1" = 40' S 132ND ST R E N TO N A V E S S 130TH ST PARCEL 2144800295 PARCEL 2144800285 PARCEL 2144800500 PARCEL 2144800488 LEGEND CITY OF RENTON EARLINGTON TOWNHOME EXISTING CONDITIONS & DEMOLITION PLAN UTILITY PERMIT #EARLINGTON TOWNHOMESA PORTION OF THE NE 1/4 OF SEC 13, TWP 23 N., RGE 4 E, KING COUNTY, WASHINGTON Federal Way, WA 98003 Suite 205 L L C 33400 8th Avenue South C O N S U L T I N G E N G I N E E R S LEGAL DESCRIPTION EXCEPTIONS TO TITLE PARCEL 2144800487 Figure 1.3.1 Existing Site Conditions Estimated Flow Direction (TYP) Existing Conditions Discharge Location Offsite Flows, intercepted by a drainage feature onsite. See Section 3 of this report for more information. Project Site Approx. 4.16 Ac CONTOUR INTERVAL = 2' SCALE: 1" = 40' EARTHWORK QUANTITIES S 132ND ST S 130TH ST AREAS ROAD AR E N TO N A V E S ALLEY A ALLEY B ALLEY DALLEY C ALLEY E 2 6 38 10 42 14 46 19 49 23 53 27 56 30 60 3 35 7 39 11 43 15 47 20 50 24 54 28 57 31 4 36 8 40 12 44 16 48 21 51 25 58 32 1 33 5 37 9 41 13 45 17 22 52 26 55 29 59 18 34 ABBREVIATIONS Federal Way, WA 98003 Suite 205 L L C 33400 8th Avenue South C O N S U L T I N G E N G I N E E R S n R-397108 CONSTRUCTION SEQUENCE CERTIFIED EROSION CONTROL SPECIALIST LEAD (CECSL) NPDES PERMIT # _________ NOTES: NPDES W.A.R. # A A B B CITY OF RENTON IN COMPLIANCE WITH CITY OF RENTON STANDARDSTED-40-3971EARLINGTON TOWNHOMES GRADING & T.E.S.C. PLAN UTILITY PERMIT #EARLINGTON TOWNHOMESLUA: 17-000390C: 17004096PR: 17000187A PORTION OF THE NE 1/4 OF SEC 13, TWP 23 N., RGE 4 E, W.M., KING COUNTY, WASHINGTON Estimated Flow Direction (TYP) Phase 1 Project discharge location (estimated) Phase 2 Project discharge location (once downstream drainage system is installed) %106174+06'48#. 64#%6 ( 64#%6 ) 64Ä* 64#%6 + 64#%6 , 64#%6 - Figure 1.3.3 Developed Site Conditions Detained Basin Bypass Basin Longest length of travel in the proposed storm system (716 feet) Project Site Discharge location Offsite Flows Bypass Flows Detention Vault Approximate limits of offsite tributary basin Soil Map—City of Seattle, Washington, and King County Area, Washington Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 11/9/2017 Page 1 of 452587005258800525890052590005259100525920052593005259400525950052596005259700525980052588005258900525900052591005259200525930052594005259500525960052597005259800557500557600557700557800557900558000558100558200558300558400558500558600558700558800558900559000559100559200 557500 557600 557700 557800 557900 558000 558100 558200 558300 558400 558500 558600 558700 558800 558900 559000 559100 559200 47° 29' 22'' N 122° 14' 14'' W47° 29' 22'' N122° 12' 47'' W47° 28' 44'' N 122° 14' 14'' W47° 28' 44'' N 122° 12' 47'' WN Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 10N WGS84 0 400 800 1600 2400 Feet 0 100 200 400 600 Meters Map Scale: 1:8,330 if printed on A landscape (11" x 8.5") sheet. Soil Map may not be valid at this scale. Project Site Figure 1.4 - Soils Map MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features Blowout Borrow Pit Clay Spot Closed Depression Gravel Pit Gravelly Spot Landfill Lava Flow Marsh or swamp Mine or Quarry Miscellaneous Water Perennial Water Rock Outcrop Saline Spot Sandy Spot Severely Eroded Spot Sinkhole Slide or Slip Sodic Spot Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography The soil surveys that comprise your AOI were mapped at scales ranging from 1:24,000 to 1:124,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: City of Seattle, Washington Survey Area Data: Version 2, Dec 5, 2013 Soil Survey Area: King County Area, Washington Survey Area Data: Version 13, Sep 7, 2017 Your area of interest (AOI) includes more than one soil survey area. These survey areas may have been mapped at different scales, with a different land use in mind, at different times, or at different levels of detail. This may result in map unit symbols, soil properties, and interpretations that do not completely agree across soil survey area boundaries. Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Aug 31, 2013—Oct 6, 2013 Soil Map—City of Seattle, Washington, and King County Area, Washington Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 11/9/2017 Page 2 of 4 MAP LEGEND MAP INFORMATION The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Soil Map—City of Seattle, Washington, and King County Area, Washington Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 11/9/2017 Page 3 of 4 Map Unit Legend Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI NOTCOM No Digital Data Available 109.3 33.3% Subtotals for Soil Survey Area 109.3 33.3% Totals for Area of Interest 328.4 100.0% Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI AgC Alderwood gravelly sandy loam, 8 to 15 percent slopes 21.1 6.4% AgD Alderwood gravelly sandy loam, 15 to 30 percent slopes 4.9 1.5% BeC Beausite gravelly sandy loam, 6 to 15 percent slopes 139.5 42.5% BeD Beausite gravelly sandy loam, 15 to 30 percent slopes 28.8 8.8% InC Indianola loamy sand, 5 to 15 percent slopes 18.3 5.6% Ur Urban land 6.5 2.0% Subtotals for Soil Survey Area 219.1 66.7% Totals for Area of Interest 328.4 100.0% Soil Map—City of Seattle, Washington, and King County Area, Washington Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 11/9/2017 Page 4 of 4 Section Tab #2 2. Conditions and Requirements Summary Review of the 9 Core Requirements and 6 Special Requirements This section describes how the project will meet the SWDM Core and Special Requirements. Core Requirement No. 1 Discharge at the Natural Location All stormwater runoff generated from the developed project site will be directed to the S 132nd Street public right-of-way (ROW) and into the existing public stormwater drainage system, which is a natural discharge location for this site. Core Requirement No. 2 Off-site Analysis The off-site analysis has been documented in Section 3 of this report. Core Requirement No. 3 Flow Control The Flow Control Standard is required per the pre-application meeting notes for this project and is fully defined in Section 4 of this report. That flow control requirement will be met with a detention system comprised of a cement concrete vault at the SE corner of the project site. See Section 4 of this report for more information. Core Requirement No. 4 Conveyance System Stormwater conveyance will be provided by the proposed pipe network per Section 5. Calculations have been provided in Section 5 of this report. Core Requirement No. 5 Erosion and Sediment Control Erosion and sediment controls to prevent the transport of sediment from the project site to downstream drainage facilities, water resources, and adjacent properties will be provided on the construction plans. Core Requirement No. 6 Maintenance and Operations The Operations and Maintenance is referenced in Section 10 of this report and included in Appendix D. Core Requirement No. 7 Financial Guarantees and Liability All drainage facilities constructed or modified for projects will comply with the financial guarantee requirements as provided in the City of Renton Bond Quantities Worksheet. Bond Quantities have been summarized and included in Section 9 of this report. Core Requirement No. 8 Water Quality Water quality treatment will be provided by catch basin media filter vaults preceding detention. See Section 4 of this report for details. Core Requirement No. 9 On-Site BMP’s All applicable LID On-Site BMP’s are listed and discussed in Section 4 of this report. Special Requirement No. 1 Other Adopted Area-Specific Requirements There are no master drainage plans, basin plans, salmon conservation plans, stormwater compliance plans, flood hazard reduction plan updates, or shared facility drainage plans for this project. Special Requirement No. 1 does not apply. Special Requirement No. 2 Flood Hazard Area Delineation The developed project site location is not in a 100-year floodplain. Special Requirement No. 2 does not apply. Special Requirement No. 3 Flood Protection Facilities The developed project site is not protected by an existing flood protection facility. The proposed site improvements do not include the modification of an existing flood protection facility. Special Requirement No. 3 does not apply. Special Requirement No. 4 Source Control The site is a single family residential development and is not subject to this requirement. Special Requirement No. 4 does not apply. Special Requirement No. 5 Oil Control The project does not have a “high-use site characteristic” and is not a redevelopment of a high-use site. Special Requirement No. 5 does not apply. Special Requirement No. 6 Aquifer Protection Area According to Reference 15-B of the SWDM, the project is not located inside an Aquifer Protection Area. Special Requirement No. 6 does not apply. Section Tab #3 3. Off-Site Analysis A Level 1 downstream analysis has been performed for the site. Task 1: Study Area Definition and Maps The study area consists of the areas immediately west of the project site, the project site itself, 1/4 mile downstream inspected via site visit, and a 1 mile downstream flow path (from CoR Maps) to map runoff released from the existing site. See Figure 1.3.1 and Figure 3.2 for estimated flow paths onsite and offsite. Task 2: Resource Review Flow Control Map According to the pre-application meeting notes, the project is required to comply with the Flow Control Standard criteria. See Section 4 of this report for more information. Soil Survey Web Soil Survey shows no data for the project site; however, the Geotechnical Engineering Feasibility Report (Appendix C) estimates the soils onsite include recessional outwash overlaying lodgment till. Refer to the Geotechnical Engineering Feasibility Report for more information. King County iMap, CoR Maps According to iMap and CoR Maps, the project site is NOT mapped in any of the following areas: - Landslide Hazard - Coal Mine Hazard - Streams & Wetlands - 100 Year Floodplains - Critical Aquifer Recharge - Seismic Hazard According to the Geotechnical Engineering Feasibility Report, the project site has the following areas mapped onsite: - Erosion Hazard See Figure 3.1 for more information regarding the environmental hazards near the project site. Road Drainage Problems None noted Wetlands Inventory According to iMap, COR Maps, and the 1990 King County Wetlands Inventory Notebooks there are no recorded wetlands on the existing project site. Migrating River Study None noted Downstream Drainage Complaints According to iMap and COR Maps, all downstream drainage complaints listed have been closed; therefore, there are no relevant complaints within the scope of this project. All complaints have been tabulated and included in this section. Task 3: Field Inspection (Level 1 Inspection) A Level 1 Downstream Analysis was completed by ESM Consulting Engineers, LLC in the morning on March 20, 2017, when it was sunny and 49°F. During the inspection it was found that the project site has minimal upstream offsite areas draining to the property at the northern portion of the site. All runoff from offsite basins appears to be collected either by the existing stormwater conveyance system along the ROW or in a drainage ditch that borders the west boundary of the project site. Stormwater runoff from the existing site’s lawn, vegetated areas, roof, and driveway is estimated to sheet flow across the property to the southern boundary of the site and drain to the public right-of-way. From there, stormwater runoff is collected in the existing public stormwater drainage system along S 132nd Street and flows south into private property. From there, runoff continues south approximately 400 and is collected into a small stream that eventually drains to Lake Washington. There did not appear to be any flooding issues over any of the roadways adjacent to, and downstream of, the project site due to the deep gulches in which the stream flowed. See Figure 3.2 Downstream Analysis Flowpath for further information. Task 4: Drainage Description and Problem Descriptions According to iMap, the project site is in the West Lake Washington drainage basin (WRIA number: 8). A creek is routed around within 300 feet of the west and south boundaries of the project site and continues to the east. No drainage problems are estimated to exist in the site’s present condition. Task 5: Mitigation of Existing or Potential Problems No existing or potential problems were observed with the existing drainage system within the scope of the downstream analysis. Therefore, no further mitigation is proposed. OBJECTIDComplaint numberComplaint typeDate receivedProblemDate closedAddress Parcel CommentsTracker ID12693 1987-0596 C DRNG 6/6/1987 8054 S 132ND ST 2144800460SEE 87-0641 WATER IN BACK YARD3258112694 1987-0641 C FLDG 6/6/1987 8054 S 132ND ST 2144800460IN BSMT 87-0596 VAN MECHELEN3263812695 1991-0742 C DRAINAGE 7/18/1991 8054 S 132ND ST 2144800460 INFO TO ROADS 3830712702 2007-0763 C DLE 9/27/2017 13223 84TH AVE S 2144800520 Landslide. Claim filed. 1535812703 2008-0257 CL RFD 5/15/2008 13223 84TH AVE S 2144800520CLAIM RELATED TO A LANDSLIDE ON THE MILLER PROPERTY.1574612704 2008-0276 WQR WQAI 8/19/2009 13223 84TH AVE S 2144800520Discharge of grey water to stream1577612705 1986-0105 C FLDG 3/23/1986 8223 S 132ND ST 2144800525 TO RD COORD 2/11 3063212706 2006-0146 C DTA 2/8/2006 8211 S 132ND ST 2144800547Needs TA re:creek in yard. Inv contacted owner, who then decided no site visit nor info needed.1369612707 1990-0520 CL FLD 8/5/1990 8205 S 132ND ST 2144800552PLUGGED C/B BASEMENT CL#12841,130043598012711 2004-0744 WQC WQB 11/7/2004 132XX 84TH AVE S 2144800720Turbidity and high flow in stream near house construction. Notified DDES. Investigation did not find problem.12402Downstream Drainage Complaints\\Esm8\engr\ESM-JOBS\1938\001\016\document\Data-001.xlsx11/8/2017 COR Maps Drainage Complaints Geometry Reference Number Request Type Description Location Parcel ID Status Category Closed Date X: -13606464.2089705, Y: 6021499.2155702, Z: NaN 2017020904 Flooding Properties flooded by runoff from Toalson Prop: 2017020903 8225, 8231 S 132nd St 2144800535, 525 Closed Private X: -13606444.4818911, Y: 6021485.72162563, Z: NaN KC-1986-0105 Flooding TO RD COORD 2/11 8223 S 132ND ST 2144800525 King County 31495 \\Esm8\engr\ESM-JOBS\1938\001\016\StormReport\Documents\Export.xlsx King County Minter Date: 12/28/2016 Notes: ±The information included on this map has been compiled by King County staff from a variety of sources and is subject to change without notice. King Countymakes no rep resentations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information. This document isnot intended fo r u se as a survey product. King County shall not be liable for any general, special, indirect, incidental, or consequential damages including,but not limited to, lost revenues or lost profits resulting from the use or misuse of the information contained on this map. Any sale of this map or information onthis map is prohibite d except by written permission of King County. Legend Drainage complaints lower tributary basins upper tributary basins Potential landslide hazardareas (2016, see explanation--->) Potential steep slope hazardareas (2016, see explanation--->) Erosion hazard (1990 SAO) Seismic hazard (1990 SAO) Coal mine hazard (1990 SAO) class 1 class 2 perennial class 2 salmonid class 3 unclassified Wetland (1990 SAO) Sensitive area notice on title FEMA preliminary 100-yearfloodplain Streams Drainage basins Figure 3.1Site Topography, Environmental Hazards, and Drainage Complaints 3,820637 City of Renton Print map Template This map is a user generated static output from an Internet mapping site and is for reference only. Data layers that appear on this map may or may not be accurate, current, or otherwise reliable. THIS MAP IS NOT TO BE USED FOR NAVIGATIONWGS_1984_Web_Mercator_Auxiliary_Sphere Notes None 12/27/2016 Legend 433 0 216 433 Feet Information Technology - GIS RentonMapSupport@Rentonwa.gov Streams (Classified) Type S Type F Type Np Type Ns Wetlands 100' Primary 100' Intermediate 20' Primary 20' Intermediate 5' Primary 5' Intermediate 2' Primary 2' Intermediate Network Structures Inlet Manhole Utility Vault Unknown Structure Control Structure Pump Station Discharge Point Water Quality Detention Facilities Pond Tank Vault Wetland Stormwater Main Culvert Open Drains Facility Outline Private Network Structures Inlet Manhole Utility Vault Unknown Structure Private Control Structure Private Discharge Point Private Water Quality Private Detention Facilities Pond Tank Vault Wetland Private Pipe Private Culvert Private Open Drains Private Facility Outline Fence Figure 3.2 Downstream Analysis Flowpath Downstream Analysis Flowpath Potential Offsite Flow Area 30" CMP Culvert, outlet partially blocked with sediment 18" CMP Culvert, no issues observed 30" CMP Culvert, no issues observed Point #1 Point #2 Point #3 Point #4 Point #5 Point #6 Point #7 9,0281505 City of Renton Print map Template This map is a user generated static output from an Internet mapping site and is for reference only. Data layers that appear on this map may or may not be accurate, current, or otherwise reliable. WGS_1984_Web_Mercator_Auxiliary_Sphere Notes None 11/15/2017 Legend 1023 512 THIS MAP IS NOT TO BE USED FOR NAVIGATION Feet1023 Information Technology - GIS 0 RentonMapSupport@Rentonwa.gov District Boundaries Bellevue Highline Issaquah Kent Mercer Island Renton Seattle Tahoma Tukwila Pump Station Discharge Point Stormwater Main Culvert Open Drains Facility Outline Private Discharge Point Private Pipe Private Culvert Private Open Drains Private Facility Outline Downstream Analysis Flowpath Project Site Downstream Flow Path (Approx. 1 Mile Shown) Figure 3.2 Downstream Analysis Flowpath Project Site 2017-03-20Point #4Pipe, 12"0None notedNoneNo issues observedPoint #5Culvert, 30"500None notedNoneNo issues observedPoint #6Channel, see pictures~2%600None notedNoneNo issues observedPoint #7Culvert, 30"1500None notedNoneNo issues observed At Point #1 looking northwest along Renton Avenue S ROW Offsite stormwater runoff from the sidewalk and roadway bordering the project site appears to collect in the existing curb and gutter along the west side of Renton Avenue S. From there, stormwater drains to the existing conveyance system in the ROW through catch basin structures. All areas of the project site at this point drain to the south. At Point #1 looking southeast along Renton Avenue S ROW Offsite runoff continues along the curb and gutter to the next catch basin. From there, runoff is conveyed in a piped system to Point #6. Subject site is to the right. At Point #2 looking southeast along Renton Avenue S ROW No flow capacity issues were observed. At Point #3 looking north along the site’s west boundary All runoff flowing into the site from the offsite basins to the west is intercepted in the drainage ditch formed along the site’s west boundary. From there, runoff is conveyed to a catch basin in the S 132nd Street ROW and is piped to Point #4. No flow capacity issues were observed. At Point #4 looking southeast along the site’s south boundary Stormwater is piped to the south across the S 132nd Street ROW and into a catch basin structure on private property. At Point #4 looking south at the catch basin outside the ROW Trickling water noises were heard emanating from the catch basin shown here; however, no outlet was found due to limited access to the catch basin. It is assumed to drain to the stream 400 feet south of this point and continue to the east. At Point #5 looking east from the 84th Avenue S ROW Stormwater from Point #4 appears to flow to this point and merge with flows from other basins. At Point #6 looking south along the 84th Avenue S ROW From Point #5, stormwater is conveyed in a culvert beneath 84th Avenue S. At Point #6 looking west at the culvert outlets The outlet of the 30-inch diameter CMP culvert (left) was partially filled with sediment. The 18-inch diameter CMP (right) appeared to be unencumbered. No flow capacity issues were observed. At Point #6 looking east downstream of the culverts The stream shown is at the bottom of a gulch with at least 15 feet of vertical containment on either side until it reaches Point #7. No flow capacity issues were observed and no erosion was evident. At Point #7 looking east at the culvert inlet from the Renton Ave S ROW The inlet of the 30-inch diameter CMP culvert did not appear to have any restrictions. No flow capacity issues were observed. Section Tab #4 4. Flow Control, LID & Water Quality Facility Analysis and Design Existing Site Hydrology: The existing site is partially developed with a single family residence with landscaped areas and a large number of outbuildings with paved driveways. The remainder of the site is vegetated with a few trees. The property slopes to the south at 8 to 15 percent. Stormwater runoff generally drains to the south, to the S 132nd Street public right-of-way (ROW) and into the existing public stormwater drainage system. See Section 3 for more information. Developed Site Hydrology: Due to the topography of the developed project site, all onsite basins shown in the Developed Basin Exhibit (Appendix A) drain to the Point Of Compliance (POC), which is the south border of the developed project site. From there, stormwater runoff is conveyed in the existing stormwater conveyance system across the ROW to the outfall shown on COR Maps; see Section 3 of this report for the downstream analysis. The frontage improvements (sidewalk and landscaped areas) have been graded to drain into the site for detention, where feasible, to minimize the amount of bypassed impervious surfaces. Additionally, all onsite sidewalks are proposed to be permeable pavement; however, the sidewalks will be modeled exclusively as impervious pavement for conservativeness. The detained and bypassed areas are shown on the Developed Basin Exhibit. All upstream offsite areas along the site’s west boundary will drain to the existing drainage ditch along the site’s boundary or a proposed gravel trench. That offsite runoff will be routed around the proposed onsite detention facility and released downstream of the project site into the conveyance system in the Renton Ave S ROW. All runoff from offsite basins east and north of the project site (in the Renton Avenue S ROW) will continue to be collected and conveyed in the existing public stormwater drainage system, separate from the onsite stormwater runoff. The basin areas used in the approved hydrology model are outlined below in Table 4.1. Table 4.1 Areas Predeveloped Developed (Acres) Total Detained Bypass Total Detained Bypass Forest 4.56 3.80 0.76 0.00 Roof 0.00 1.13 1.13 Grass 0.00 1.99 1.48 0.51 Pavement 0.00 1.44 1.19 0.25 Total 4.56 3.80 0.76 4.56 3.80 0.76 Performance Standards: Stormwater systems onsite are to be designed to mitigate runoff generated from the project per the requirements of the Flow Control Standard per Section 1.2.3.1.B of the SWDM: The flow control duration standard requires runoff from urban developments to be detained and released at a rate that matches the flow duration of predeveloped rates over the range of flows extending from ½ of the 2-year up to the 50-year flow. Also match developed peak discharge rates to predeveloped peak discharge rates for the 2- and 10-year return periods. Flow duration specifies the cumulative amount of time that various flows are equaled or exceeded during a long-term simulation using historical rainfall. The target flow duration may be the “historical” (i.e., fully forested condition) or in specific situations it may be the existing site or “pre-project” condition as described below. The Flow Control Applications Map shows the areas where the “forested” and “existing” conditions are allowed. Forested land cover – Runoff from the developed site will be controlled and released at a rate that matches the flow duration for a forested (“historical”) land cover. The “historical” land cover is the default standard required by the technical requirements of the NPDES permit. The standard is applicable to those areas draining to streams that have erodible channels where runoff from urban areas has the potential to destabilize the channel. The facility size is required to be determined by an approved hydrology model per the SWDM. The approved hydrology model chosen for this project is the 2012 Western Washington Hydrology Model (WWHM). Due to the size of the proposed development, all applicable flow control requirements are met with a stormwater detention vault preceded by media filter vaults collecting runoff from pollution generating surfaces (roof runoff and other “clean” runoff do not enter the filter vaults) as described in this section under Flow Control System and Water Quality System. Flow Control System: The detention sizing from the WWHM complies with the Flow Control Standard and the developed project site flow rates are given in Table 4.2. The depth of live storage is 13 feet, which matches the hydrology model. The volume required, volume provided, and safety factor are given in Table 4.3. Table 4.2 Return Period Predeveloped ( cfs ) Mitigated ( cfs ) 2 Year 0.178 0.178 5 Year 0.286 0.243 10 Year 0.354 0.288 25 Year 0.434 0.348 50 Year 0.489 0.395 100 Year 0.540 0.444 Table 4.3 Stormwater Detention Volume Total (Cu Ft) Required 58,240 Provided 59,800 Safety Factor 2.6% Bypassed Target Surfaces: Areas that bypass detention are required to comply with the mitigation standards specified in Section 1.2.3.2.E of the SWDM as follows: On some sites, topography may make it difficult or costly to collect all target surface runoff for discharge to the onsite flow control facility. Therefore, some project runoff subject to flow control may bypass required onsite flow control facilities provided that all of the following conditions are met: 1. The point of convergence for runoff discharged from the bypassed target surfaces and from the project’s flow control facility must be within a quarter-mile downstream of the facility’s project site discharge point, AND The flows converge within a ¼ mile downstream of the project site at Point #6 shown on Figure 3.2 of this report. 2. The increase in the existing site conditions 100-year peak discharge from the area of bypassed target surfaces must not exceed 0.4 cfs, AND The developed conditions 100-year peak discharge from the bypassed area is less than 0.4 cfs; therefore, the increase over the existing condition 100-year discharge is less than 0.4 cfs. See Appendix B of this report for the hydrology model output. 3. Runoff from the bypassed target surfaces must not create a significant adverse impact to downstream drainage systems, salmonid habitat, or properties as determined by CED, AND The project is routing detained and bypass stormwater around downstream private properties within ¼ mile of the site. 4. Water quality requirements applicable to the bypassed target surfaces must be met, AND All pollution generating impervious surfaces within the bypass are being treated for water quality with catch basin cartridge filters as described later in this section of the report. 5. Compensatory mitigation by a flow control facility must be provided so that the net effect at the point of convergence downstream is the same with or without the bypass… (the remainder of requirement 1.2.3.2.E.5 has been omitted for brevity because the 100-year developed 15-minute flow from the bypassed target surfaces is greater than 0.15 cfs and does not concern this project). The detention facility has been configured to attenuate the developed flows at the point of convergence such that the combined flows are compliant with the Flow Control Standard. Water Quality System: The proposed roof areas of the project will be collected and piped directly to the main stormwater conveyance pipe. All other runoff from pollution generating surfaces onsite will be collected by catch basins that have media filter cartridges (sized according to each tributary area) to meet the water quality treatment standards in Section 1.2.8 of the SWDM. The required water quality flow rate is the full 2-year developed rate (for each catch basin), as computed by the approved hydrology model. The catch basin water quality treatment flow rates (required and provided) are given in Table 4.4. Table 4.4 Water Quality Required ( cfs ) Provided ( cfs ) Stormfilter #1 0.034 0.040 Stormfilter #2 0.038 0.040 Stormfilter #3 0.023 0.040 Stormfilter #4 0.076 0.080 Stormfilter #5 0.038 0.040 Stormfilter #6 0.034 0.040 Stormfilter #7 0.034 0.040 Stormfilter #8 0.027 0.040 On-Site BMPs: On-Site BMPs were evaluated for the project site as outlined in the SWDM under Section 1.2.9.2.2 – Large Lot BMP Requirements. These BMP’s are described in order of precedence below with feasibility determined. Because the total impervious coverage onsite is 58%, the portion of applicable area credited as mitigated should be no less than 31% of the total site area - 0.70 acres (specified in Section 1.2.9.2.2.5). Requirement #1 Full Dispersion (Section C.2.1) has been evaluated for the project site. There is insufficient onsite native vegetated flowpath to which target impervious surfaces may be dispersed. The applicable flowpath segments are generally located upstream of the target impervious surfaces onsite. Therefore, minimum design requirement #1 (specified in Section C.2.1.1) cannot be met; hence, this BMP is infeasible for the project site. Requirement #2 Full Infiltration of Roof Runoff is subject to the requirements of Full Infiltration per Section C.2.2 or Section 5.2 (whichever is applicable). The Geotechnical Engineering Feasibility Report (Appendix C) states that “Most of the shallow site soils are either dense and impermeable or saturated, and therefore storm water infiltration using shallow strategies does not appear feasible.” Therefore, the Soils requirement (specified in Section 5.2.1 - Soils) cannot be met; hence, this BMP is infeasible for the project site. Requirement #3 Full Infiltration (Section C.2.2 or Section 5.2, whichever is applicable) has been evaluated and the Geotechnical Engineering Feasibility Report states that “Most of the shallow site soils are either dense and impermeable or saturated, and therefore storm water infiltration using shallow strategies does not appear feasible.” Therefore, the Soils requirement (specified in Section 5.2.1 - Soils) cannot be met; hence, this BMP is infeasible for the project site. Limited Infiltration (Section C.2.3) is subject to the same minimum design requirements as Full Infiltration (per Section C.2.3.2). Since Full Infiltration has been deemed infeasible, Limited Infiltration is also infeasible for this project site. Bioretention (Section C2.6) is not a suitable BMP for this project site. In order to satisfy Core Requirement #9, bioretention facilities are not allowed to have an under-drain (per Section C.2.6.1.5). Because infiltration is infeasible onsite, the draw-down time for any bioretention facilities would likely exceed 24-hours and is estimated to enable mosquito breeding (Section C.2.6: Ponding Depth and Surface Water Draw-Down). Permeable Pavement (Section C.2.7) is not a suitable BMP for this project site due to the existing soil stratigraphy. See the Geotechnical Report Addendum in Appendix E for more information. Due to the water within the soils on the site, permeable pavement will not be utilized in the areas subject to vehicle loading (i.e. alleys, right of way, and cul- de-sac); however, the pedestrian walkways will use permeable pavement. To assure their longevity and provide positive drainage, an underdrain pipe will be provided. See the walkway section within the drawings for further details. Requirement #4 Basic Dispersion (Section C.2.4) has been evaluated for the project site. Most of the areas that could be used for the “vegetated flowpath segment” are not located between potential dispersion devices and any downstream impervious surface or drainage feature. Therefore, minimum design requirement #2.d (specified in Section C.2.4.1) cannot be met; hence, this BMP is infeasible for the project site. Requirement #5 If the impervious area credited as mitigated is less than the threshold specified in On-Site BMPs above, then (according to Section 1.2.9.2.2.5 of the SWDM) one or more the following BMPs must be implemented to achieve compliance: Reduced Impervious Surface Credit (Section C.2.9) has been evaluated for the project site. This project cannot use wheel strip driveways (Section C.2.9.3) due to the proposed parking layout, cannot implement a minimum disturbance foundation (Section C.2.9.4) due to the building type, and open grid decking over pervious surface (Section C.2.9.5) is not applicable. Additionally, the proposed improvements to the project create more than the threshold of 4,000 square feet or 4% of the total site area (whichever is greater) in impervious surface (Section C.2.9.2.2). Therefore, minimum design requirement #1 (specified in Section C.2.9.1) cannot be met; hence, this BMP cannot be claimed for the proposed site improvements. Native Growth Retention Credit (Section C.2.10) has been evaluated for the project site. Any potential area of target impervious surface to be credited as mitigated by this BMP must be directed to vegetated pervious surfaces on the site or discharged through a perforated pipe connection in accordance with Section C.2.11. It is not possible to direct stormwater runoff from the potential target impervious surfaces to vegetated pervious surfaces due to the elevation difference between the applicable areas. Therefore, minimum design requirement #4.b (specified in Section C.2.10.1) cannot be met; hence, this BMP cannot be claimed for the proposed site improvements. Requirement #6 All new pervious surfaces will be amended per Section 1.2.9.2.2.6 to satisfy the requirements specified therein (notes will be included on the final landscape plans). Requirement #7 All proposed roof downspout connections will be shown as perforated pipe connections per Figure C.2.11.A of the SWDM. Additionally, all flows collected by onsite downspouts are sufficiently small to size the drainage system connection with engineering judgment. In summary, the project site will amend soils to retain moisture holding capacity, utilize permeable pavement with underdrains on all onsite sidewalks, and connect all roof downspouts with perforated pipe connections. Section Tab #5 5. Conveyance System Analysis and Design Conveyance and backwater calculations are included in this section of the report. Onsite Conveyance System: Runoff from the developed project site will be collected from the developed lot lawns, roofs, and sidewalks by the conveyance system located in the ROW. The proposed stormwater drainage system is composed of catch basin structures with pipes ranging between 6-inches and 18-inches in diameter. A conveyance and backwater analysis has been completed to verify the capacity of the critical pipes in the system. The proposed stormwater drainage system will be designed to convey the 25-year peak flow rate generated by the developed tributary basin as required in the SWDM. The system will contain the 100-year flow within the catch basins without any conveyance or backwater issues. Conveyance Calculation Input: The flow rates used in the conveyance and backwater calculations have been computed with the approved hydrology model (as specified in Section 4 of this report) and the model output is included in Appendix B of this report. All pipes in the stormwater system being modeled are PVC with the following attributes: Manning’s n (per Table 4.2.1.D of the SWDM) Conveyance = 0.013 Backwater = 0.011 Min. Diameter = 12 inches Max Slope < 25% Min. Slope > 0.4% Analysis Modifications: The Conveyance Basin Exhibit (Appendix A) shows the major tributary areas across the project site. Those areas have been modeled conservatively to drain to the upper-most catch basin in that fork of the stormwater system that is not a Stormfilter. The Stormfilters are only included in the model to verify the backwater elevations. The Stormfilters have been analyzed separately for the water quality treatment and maximum design flow rates (refer to the water quality output in Appendix B of this report for more information). The offsite upstream flows in Renton Ave have been estimated and shown on the Offsite Basin Flow Estimate Exhibit (Appendix A) with supporting calculations in Appendix B. The conveyance and backwater calculations for this site have been performed as follows: Conveyance: The flow capacity of each pipe has been determined with Equations 4-1 and 4-2 in Section 4.2.1.2 of the SWDM. The flow demand of a given pipe in the network has been calculated from two sources: 1. The flow entering the that pipe’s upstream catch basin from the tributary area 2. The outflow from all pipes connecting to that catch basin as a downstream catch basin Backwater: The hydraulic grade line has been modeled per Table 4.2.1.I of the SWDM with no modifications. Conveyance Calculation, Earlington TownhomesPipe NamePervious Area(acres)Impervious Area(acres)Total Area(acres)25-yearTotal Flow(cfs) 100-yearTotal Flow(cfs) Pipe Diameter (in)Pipe Diameter (ft)PipeArea (ft^2)Wet Perimeter (ft)Hydraulic Radius (ft)Slope(ft/ft)Pipe nCapacity (cfs)Velocity @25-year Capacity (ft/sec)25 year % Capacity (cfs)100 year % Capacity (cfs)CB #1 to Vault 0.00 0.12 0.12 1.96 2.46 12 1 0.785 3.142 0.250 0.005 0.005 2.53 3.22 78% 97%CB #2 to CB #1 0.27 0.30 0.57 1.87 2.35 12 1 0.785 3.142 0.250 0.005 0.013 2.52 3.20 74% 93%StormFilter #1 to CB #2 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.153 0.013 13.99 17.81 0% 0%CB #3 to CB #2 0.00 0.00 0.00 1.59 1.98 12 1 0.785 3.142 0.250 0.005 0.013 2.53 3.22 63% 78%StormFilter #2 to CB #5 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.005 0.013 2.53 3.22 0% 0%StormFilter #3 to CB #3 0.00 0.00 0.00 0.11 0.14 12 1 0.785 3.142 0.250 0.212 0.013 16.43 20.92 1% 1%CB #6 to StormFilter #3 0.04 0.14 0.18 0.11 0.14 12 1 0.785 3.142 0.250 0.005 0.013 2.53 3.22 5% 6%CB #4 to CB #3 0.00 0.00 0.00 1.47 1.84 12 1 0.785 3.142 0.250 0.039 0.013 7.06 8.99 21% 26%CB #5 to CB #4 0.14 0.38 0.52 0.32 0.39 12 1 0.785 3.142 0.250 0.038 0.013 6.98 8.89 5% 6%CB #7 to CB #40.000.000.001.161.451210.7853.1420.2500.1500.01313.8517.638%10%CB #7 to CB #40.000.000.001.161.451210.7853.1420.2500.1500.01313.8517.638%10%CB #8 to StormFilter #4 0.00 0.25 0.25 0.19 0.23 12 1 0.785 3.142 0.250 0.005 0.013 2.53 3.22 7% 9%CB #9 to CB #7 0.00 0.00 0.00 0.97 1.22 12 1 0.785 3.142 0.250 0.138 0.013 13.26 16.88 7% 9%StormFilter #4 to CB #7 0.00 0.00 0.00 0.19 0.23 12 1 0.785 3.142 0.250 0.169 0.013 14.67 18.68 1% 2%Ex CB #100 to Ex CB #101 2.15 0.34 2.49 0.86 1.19 12 1 0.785 3.142 0.250 0.002 0.013 1.60 2.03 54% 75%CB #10 to CB #9 0.17 0.35 0.52 0.30 0.38 12 1 0.785 3.142 0.250 0.020 0.013 5.10 6.49 6% 7%StormFilter #5 to CB #10 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.005 0.013 2.53 3.22 0% 0%CB #11 to CB #9 0.12 0.37 0.49 0.30 0.38 12 1 0.785 3.142 0.250 0.020 0.013 5.10 6.49 6% 7%StormFilter #6 to CB #11 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.005 0.013 2.53 3.22 0% 0%CB #12 to CB #9 0.00 0.00 0.00 0.37 0.46 12 1 0.785 3.142 0.250 0.086 0.013 10.49 13.36 3% 4%CB #13 to CB #12 0.30 0.40 0.70 0.37 0.46 12 1 0.785 3.142 0.250 0.069 0.013 9.37 11.94 4% 5%StormFilter #7 to CB #13 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.073 0.013 9.67 12.32 0% 0%Ex CB #502305 to Ex CB #502304 29.80 7.50 37.30 13.09 17.84 18 1.5 1.767 4.712 0.375 0.104 0.013 33.91 19.19 39% 53%CB #23 to Ex CB #502304 0.00 0.00 0.00 1.43 1.92 18 1.5 1.767 4.712 0.375 0.185 0.013 45.25 25.61 3% 4%CB #22 to CB #23 0.00 0.00 0.00 1.43 1.92 18 1.5 1.767 4.712 0.375 0.005 0.013 7.45 4.21 19% 26%CB #20 to CB #220.000.000.001.431.92181.51.7674.7120.3750.0050.0137.454.2119%26%CB #20 to CB #220.000.000.001.431.92181.51.7674.7120.3750.0050.0137.454.2119%26%CB #19 to CB #20 0.32 0.19 0.51 1.43 1.92 18 1.5 1.767 4.712 0.375 0.005 0.013 7.42 4.20 19% 26%CB #19A to CB #19 0.00 0.00 0.00 0.00 0.00 18 1.5 1.767 4.712 0.375 0.005 0.013 7.71 4.36 0% 0%CB #19B to CB #19A 0.00 0.00 0.00 0.00 0.00 18 1.5 1.767 4.712 0.375 0.005 0.013 7.45 4.21 0% 0%CB #19C to CB #19B 0.00 0.00 0.00 0.00 0.00 18 1.5 1.767 4.712 0.375 0.004 0.013 6.76 3.82 0% 0%Ex CB #105 to CB #19 0.00 0.00 0.00 1.21 1.64 12 1 0.785 3.142 0.250 0.025 0.013 5.68 7.23 21% 29%CB #18 to Ex CB #105 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.110 0.013 11.85 15.09 0% 0%Ex CB #104 to Ex CB #105 0.00 0.00 0.00 1.21 1.64 12 1 0.785 3.142 0.250 0.004 0.013 2.31 2.94 53% 71%CB #17 to Ex CB #104 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.006 0.013 2.77 3.52 0% 0%Ex CB #103 to Ex CB #104 0.00 0.00 0.00 1.21 1.64 12 1 0.785 3.142 0.250 0.017 0.013 4.63 5.90 26% 35%CB #16 to Ex CB #103 0.00 0.00 0.00 0.00 0.00 12 1 0.785 3.142 0.250 0.005 0.013 2.53 3.22 0% 0%CB #14 to Ex CB #103 0.15 0.22 0.37 1.21 1.64 12 1 0.785 3.142 0.250 0.018 0.013 4.79 6.10 25% 34%StormFilter #8 to CB #14 0.00 0.00 0.00 0.16 0.20 12 1 0.785 3.142 0.250 0.005 0.013 2.59 3.29 6% 8%CB #15 to StormFilter #8 0.13 0.17 0.30 0.16 0.20 12 1 0.785 3.142 0.250 0.005 0.013 2.43 3.10 6% 8% Backwater Calculation, Earlington Townhomes1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20Pipe Name100-year Flow (cfs)Pipe Length (ft)Pipe Diameter (in) Pipe nPipeI.E. Out (ft)PipeI.E. In (ft)Pipe Area (ft)100-year Velocity (ft/s)100-year Velocity Head (ft/s)100-yearTailwater Elevation (ft)100-Year Friction Loss 100-yearEntrance HGL Elevation (ft)100-yearEntrance Head Loss (ft)100-yearExit Head Loss (ft)100-yearOutlet Control Elevation (ft)100-yearInlet Control Elevation (ft)100-year Appr Vel Head (ft)100-yearBend Head Loss (ft)100-yearJunction Head Loss (ft)100-yearHW Elevation (ft)Upstream CB Grate Elevation (ft)10-yearCB Grate Elev. - HW Elev. (ft)25-yearCB Grate Elev. - HW Elev. (ft)Ex CB #100 to Ex CB #101 1.2 35 12 0.011 236.8 236.9 0.79 1.52 0.04 244.2 0.03 244.2 0.02 0.04244.3237.6 0.00 0.00 0.00 244.2 239.7 2.2 2.2Ex CB #101 to Ex CB #102 1.2 153 12 0.011 234.5 236.8 0.79 1.52 0.04 244.0 0.12 244.1 0.02 0.04244.2237.5 0.04 0.05 0.00 244.2 239.6 2.1 2.1Ex CB #102 to CB #14 1.2 42 12 0.011 233.8 234.5 0.79 1.52 0.04 243.9 0.03 243.9 0.02 0.04244.0235.2 0.04 0.05 0.00 244.0 238.4 3.2 3.2CB #15 to StormFilter #8 0.2 28 12 0.011 233.9 234.0 0.79 0.25 0.00 243.9 0.00 243.9 0.00 0.00243.9234.7 0.00 0.00 0.00 243.9 237.5 2.8 2.8StormFilter #8 to CB #14 0.2 21 12 0.011 233.8 233.9 0.79 0.25 0.00 243.9 0.00 243.9 0.00 0.00243.9234.5 0.00 0.00 0.00 243.9 237.4 2.8 2.8CB #14 to Ex CB #103 1.6 35 12 0.011 233.1 233.8 0.79 2.09 0.07 243.8 0.05 243.8 0.03 0.07243.9234.6 0.04 0.05 0.00 243.9 237.3 2.8 2.8CB #16 to Ex CB #103 0.0 4 12 0.011 233.1 233.2 0.79 0.00 0.00 243.8 0.00 243.8 0.00 0.00243.8233.8 0.00 0.00 0.00 243.8 236.5 2.7 2.6Ex CB #103 to Ex CB #104 1.6 119 12 0.011 231.1 233.1 0.79 2.09 0.07 243.5 0.18 243.6 0.03 0.07243.7234.0 0.07 0.09 0.00 243.8 236.7 2.8 2.8CB #17 to Ex CB #104 0.0 5 12 0.011 231.1 231.2 0.79 0.00 0.00 243.5 0.00 243.5 0.00 0.00243.5231.8 0.00 0.00 0.00 243.5 234.5 2.6 1.8Ex CB #104 to Ex CB #105 1.6 72 12 0.011 230.8 231.1 0.79 2.09 0.07 243.2 0.11 243.3 0.03 0.07243.4232.0 0.07 0.09 0.00 243.5 234.6 2.8 2.0CB #18 to Ex CB #105 0.0 6 12 0.011 230.8 231.5 0.79 0.00 0.00 243.2 0.00 243.2 0.00 0.00243.2232.1 0.00 0.00 0.00 243.2 234.2 2.1 1.6Ex CB #105 to CB #19 1.6 21 12 0.011 230.3 230.8 0.79 2.09 0.07 243.1 0.03 243.1 0.03 0.07243.2231.7 0.07 0.09 0.00 243.2 234.1 2.5 1.5CB #19C to CB #19B 0.0 85 18 0.011 230.7 231.0 1.77 0.00 0.00 243.1 0.00 243.1 0.00 0.00243.1232.0 0.00 0.00 0.00 243.1 247.6 15.6 15.1CB #19B to CB #19A 0.0 12 18 0.011 230.6 230.7 1.77 0.00 0.00 243.1 0.00 243.1 0.00 0.00243.1231.7 0.00 0.00 0.00 243.1 234.4 2.8 2.0CB #19A to CB #19 0.0 56 18 0.011 230.3 230.6 1.77 0.00 0.00 243.1 0.00 243.1 0.00 0.00243.1231.6 0.00 0.00 0.00 243.1 234.6 3.0 2.1CB #19 to CB #20 1.9 119 18 0.011 229.7 230.3 1.77 1.09 0.02 243.0 0.03 243.0 0.01 0.02243.0231.3 0.07 0.09 0.00 243.1 234.3 2.9 1.8CB #20 to CB #22 1.9 138 18 0.011 229.0 229.7 1.77 1.09 0.02 242.7 0.03 242.7 0.12 0.02242.8230.7 0.02 0.13 0.00 243.0 243.9 13.2 11.5CB #22 to CB #23 1.9 114 18 0.011 228.4 229.0 1.77 1.09 0.02 242.4 0.03 242.4 0.14 0.02242.5230.1 0.02 0.15 0.00 242.7 243.5 13.4 11.3CB #23 to Ex CB #502304 1.9 50 18 0.011 219.2 228.4 1.77 1.09 0.02 242.4 0.01 242.4 0.16 0.02242.5229.4 0.02 0.17 0.00 242.7 237.2 7.9 5.0Ex CB #502305 to Ex CB #502304 17.8 135 18 0.011 219.2 233.2 1.77 10.10 1.58 242.4 2.77 245.1 0.79 1.58247.5238.2 0.00 0.00 0.00 245.9 245.1 10.1 9.6StormFilter #7 to CB #13 0.0 9 12 0.011 273.4 274.1 0.79 0.00 0.00 274.1 0.00 274.1 0.00 0.00 274.1274.70.00 0.00 0.00 274.7 279.1 4.4 4.4CB #13 to CB #12 0.5 53 12 0.011 269.8 273.4 0.79 0.59 0.01 270.4 0.01 270.4 0.00 0.01 270.4274.10.00 0.00 0.00 274.1 278.4 4.4 4.4CB #12 to CB #9 0.5 105 12 0.011 260.7 269.8 0.79 0.59 0.01 261.4 0.01 261.4 0.00 0.01 261.4270.40.01 0.01 0.00 270.4 275.8 5.4 5.4StormFilter #6 to CB #11 0.0 14 12 0.011 261.2 261.3 0.79 0.00 0.00 261.9 0.00 261.9 0.00 0.00 261.9262.00.00 0.00 0.00 262.0 266.2 4.2 4.2CB #10 to CB #9 0.4 27 12 0.011 260.7 261.3 0.79 0.48 0.00 261.4 0.00 261.4 0.00 0.00 261.4261.90.00 0.00 0.00 261.9 266.3 4.3 4.3Ex CB #100 to Ex CB #101 1.2 35 12 0.011 236.8 236.9 0.79 1.52 0.04 244.2 0.03 244.2 0.02 0.04244.3237.6 0.00 0.00 0.00 244.2 239.7 2.2 2.2StormFilter #4 to CB #7 0.2 57 12 0.011 249.5 259.2 0.79 0.29 0.00 250.3 0.00 250.3 0.00 0.00 250.3259.70.00 0.00 0.00 259.7 263.2 3.4 3.4CB #9 to CB #7 1.2 81 12 0.011 249.5 260.7 0.79 1.55 0.04 250.3 0.07 250.3 0.02 0.04 250.4261.40.01 0.01 0.02 261.4 266.7 5.4 5.3CB #8 to StormFilter #40.224120.011259.2259.30.790.290.00259.70.00259.70.000.00259.7259.90.000.000.00259.9263.23.23.2CB #8 to StormFilter #4 0.2 24 12 0.011 259.2 259.3 0.79 0.29 0.00 259.7 0.00 259.7 0.00 0.00 259.7259.90.00 0.00 0.00 259.9 263.2 3.2 3.2CB #7 to CB #4 1.4 68 12 0.011 239.3 249.5 0.79 1.84 0.05 245.4 0.08 245.5 0.03 0.05 245.6250.30.04 0.05 0.00 250.3 255.5 5.3 5.3CB #5 to CB #4 0.4 28 12 0.011 239.3 240.4 0.79 0.50 0.00 245.4 0.00 245.4 0.00 0.00245.4241.1 0.00 0.00 0.00 245.4 245.4 1.1 0.5CB #4 to CB #3 1.8 11 12 0.011 238.9 239.3 0.79 2.34 0.09 245.2 0.02 245.2 0.04 0.09245.3240.2 0.05 0.07 0.12 245.4 245.9 1.7 1.0CB #6 to StormFilter #3 0.1 24 12 0.011 244.2 244.3 0.79 0.18 0.00 245.2 0.00 245.2 0.00 0.00245.2245.0 0.00 0.00 0.00 245.2 249.2 4.2 4.2StormFilter #3 to CB #3 0.1 25 12 0.011 238.9 244.2 0.79 0.18 0.00 245.2 0.00 245.2 0.00 0.00245.2244.7 0.00 0.00 0.00 245.2 249.2 4.4 4.4StormFilter #2 to CB #5 0.0 12 12 0.011 240.4 240.5 0.79 0.00 0.00 245.4 0.00 245.4 0.00 0.00245.4241.1 0.00 0.00 0.00 245.4 245.4 1.2 0.5CB #3 to CB #2 2.0 44 12 0.011 238.7 238.9 0.79 2.52 0.10 244.9 0.10 245.0 0.05 0.10245.1239.8 0.09 0.11 0.00 245.2 245.7 1.6 1.0StormFilter #1 to CB #2 0.0 15 12 0.011 238.7 241.0 0.79 0.00 0.00 244.9 0.00 244.9 0.00 0.00244.9241.6 0.00 0.00 0.00 244.9 245.4 1.4 0.8CB #2 to CB #1 2.3 121 12 0.011 238.1 238.7 0.79 2.99 0.14 244.3 0.37 244.7 0.07 0.14244.9239.7 0.10 0.13 0.00 244.9 245.5 1.5 0.9CB #1 to Vault 2.5 22 12 0.011 238.0 238.1 0.79 3.13 0.15 244.0 0.07 244.1 0.08 0.15244.3239.1 0.14 0.18 0.00 244.3 247.3 3.5 3.1 Section Tab #6 6. Special Reports and Studies The Geotechnical Engineering Feasibility Report by Associated Earth Sciences, Inc., dated January 18, 2017 is included in Appendix C. The Geotechnical Report Addendum (Porous Pavement Feasibility) by Associated Earth Sciences, Inc., dated August 30, 2017 is included in Appendix E. Section Tab #7 7. Other Permits Building and NPDES permits will be required for this project. Separate building permits will be required for any retaining wall that exceeds 4 feet from the bottom of footing to the top of wall along with permits required for the utility connections, detention vault, and pedestrian pathway stairs. Section Tab #8 8. CSWPP Analysis and Design The Temporary Erosion and Sedimentation Control (TESC) Plan is shown on sheets GR-01 through GR-05 of the plan set. The TESC Plan was developed in accordance with criteria in Section 1.2.5 and Appendix D of the SWDM. Two sediment drainage basins were used with a pair of sediment traps placed along the southern boundary of the project site. That sediment trap placement was selected, to match existing topography with the intent of preventing, to the maximum extent possible, the transport of sediment from the project site to downstream drainage facilities, water resources, and adjacent properties. The soils and hydrology of the proposed project site are described in Section 4 of this report. The 15-minute peak discharge from the 10 year storm event was used to size the sediment traps, to provide as additional protection during construction for the downstream areas. The following page contains a summary of the sediment trap drainage basins hydrology calculations. The sediment traps have been sized with 3:1 side slopes, 1.5 feet of sediment storage depth, 3.5 feet of settling depth, a 1 foot of overflow depth to the top of the riser and an additional 1 foot overflow depth to the top of the emergency overflow spillway. See Figure 1.3.2 in this report for trap locations. Detailed calculations are included in this section and supporting WWHM output is included in Appendix B of this report. The basin areas listed in Table 8.1 are approximate and are subject to change throughout the construction process. A Stormwater Pollution Prevention Plan (SWPPP) will be completed under separate cover with the construction plans. Table 8.1 Sediment Basin Characteristics Area (ac) 10 year Peak Flow (cfs) Provided Trap Surface Area (sf) Bottom Dimensions (ft) West Basin 2.37 1.1152 2376 51x19 East Basin 1.79 0.8432 1856 43x8 Earlington Townhomes PUD Temporary Erosion and Sediment Control Plan (TESCP) Sediment Trap Parameters Developed Basin Maximum basin contributing area (acres)2.37 Settling Velocity (feet/second)0.00096 Sediment Storage (feet)1.5 Washed Gravel Depth (feet)1 Freeboard to Overflow (feet)1 Overflow (feet)1 Total Depth (feet)4.5 Sediment Pond Sizing Developed Basin Facility Top Elev.240 Width at Top of Sed. Stor. Length at Top of Sed. Stor. Settling Depth (feet)2 Impervious Contributing Area (acres) Pervious Contributing Area (acres) Total Contributing Area (acres)2.37 Developed 10 year Flow, 15-minute timesteps (cfs)1.1152 Design Trap Surface Area (square feet)2323 Provided Trap Surface Area (square feet) As 2376 Table for Plans Developed Basin Bottom Width 12.0 Bottom Length 51.0 Top Width 39.0 Top Length 78.0 Length:Width 2.00:1 Side Slopes 3:1 Over. Elev.239.0 Bottom Elev.235.5 Top Berm Elev.240.0 Earlington Townhomes PUD Temporary Erosion and Sediment Control Plan (TESCP) Sediment Trap Parameters Developed Basin Maximum basin contributing area (acres)1.79 Settling Velocity (feet/second)0.00096 Sediment Storage (feet)1.5 Washed Gravel Depth (feet)1 Freeboard to Overflow (feet)1 Overflow (feet)1 Total Depth (feet)4.5 Sediment Pond Sizing Developed Basin Facility Top Elev.240 Width at Top of Sed. Stor. Length at Top of Sed. Stor. Settling Depth (feet)2 Impervious Contributing Area (acres) Pervious Contributing Area (acres) Total Contributing Area (acres)1.79 Developed 10 year Flow, 15-minute timesteps (cfs)0.8432 Design Trap Surface Area (square feet)1757 Provided Trap Surface Area (square feet) As 1856 Table for Plans Developed Basin Bottom Width 8.0 Bottom Length 43.0 Top Width 35.0 Top Length 70.0 Length:Width 2.00:1 Side Slopes 3:1 Over. Elev.239.0 Bottom Elev.235.5 Top Berm Elev.240.0 Section Tab #9 9. Bond Quantities, Facility Summaries, and Declaration of Covenant The City of Renton Bond Quantities worksheet is included in this section of the report. Planning Division |1055 South Grady Way – 6th Floor | Renton, WA 98057 (425) 430-7200••Section I: Project Information•••Section II: Bond Quantities Worksheets••Section II.a EROSION CONTROL (Stabilization/Erosion Sediment Control (ESC))•Section II.b TRANSPORTATION (Street and Site Improvements)BOND QUANTITY WORKSHEET INSTRUCTIONSThis worksheet is intended to be a "working" copy of the bond quantity worksheet, which will be used throughout all phases of the project, from initial submittal to project close-out approval. Submit this workbook, in its entirety, as follows:The following forms are to be completed by the engineer/developer/applicant as applicable to the project: This section includes all pertinent information for the projectSection II contains a separate spreadsheet TAB for each of the following specialties: (1) electronic copy (.xlsx format) and (1) hard copy of the entire workbook for civil construction permit submittal. Hard copies are to be included as part of the Technical Information Report (TIR).(1) electronic copy (.xlsx format) and (1) hard copy of the entire workbook for final close-out submittal.This section must be completed in its entiretyInformation from this section auto-populates to all other relevant areas of the workbook•Section II.b TRANSPORTATION (Street and Site Improvements)•Section II.c DRAINAGE (Drainage and Stormwater Facilities): •Section II.d WATER - ONLY APPLICABLE IF WATER SERVICE IS PROVIDED BY CITY OF RENTON•Section II.e SANITARY SEWER - ONLY APPLICABLE IF SEWER SERVICE IS PROVIDED BY CITY OF RENTON••••••Section III. Bond Worksheet• This section calculates the required Permit Bond for construction permit issuance as well as the required Maintenance Bond for project close-out submittals to release the permit bond on a project. All unit prices include labor, equipment, materials, overhead and profit. Complete the 'Quantity' columns for each of the appropriate section(s). Include existing Right-of-Way (ROW), Future Public Improvements and Private Improvements.The 'Quantity Remaining' column is only to be used when a project is under construction. The City allows one (1) bond reduction during the life of the project with the exception of the maintenance period reduction.Excel will auto-calculate and auto-populate the relevant fields and subtotals throughout the document. Only the 'Quantity' columns should need completing.Additional items not included in the lists can be added under the "write-in" sections. Provide a complete description, cost estimate and unit of measure for each write-in item. Note: Private improvements, with the exception of stormwater facilities, are not included in the bond amount calculation, but must be entered on the form. Stormwater facilities (public and private) are required to be included in the bond amount.The Bond Worksheet form will auto-calculate and auto-populate from the information provided in Section I and Section II.Page 1 of 14Ref 8-H Bond Quantity WorksheetINSTRUCTIONSUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 11/10/2017 Planning Division |1055 South Grady Way – 6th Floor | Renton, WA 98057 (425) 430-7200Date Prepared: Name:PE Registration No:Firm Name:Firm Address:Phone No.Email Address:Project Name: Project Owner:November 10, 2017Prepared by:FOR APPROVALProject Phase 1Pete.Gonzales@esmcivil.comPeter Gonzales24598ESM Consulting Engineers, LLC33400 8th Ave South, #204(253) 838-6113SITE IMPROVEMENT BOND QUANTITY WORKSHEETPROJECT INFORMATIONEngineer Stamp Required (all cost estimates must have original wet stamp and signature)Project Location and DescriptionProject Owner InformationEarlington TownhomesBlue Fern Development, LLCProject Name: Project Owner:CED Plan # (LUA):Phone:CED Permit # (U):Address: Site Address:Street Intersection:Addt'l Project Owner:Parcel #(s):Phone:Address: Clearing and grading greater than or equal to 5,000 board feet of timber? Yes/No:NOWater Service Provided by:If Yes, Provide Forest Practice Permit #:Sewer Service Provided by: Abbreviated Legal Description:NE 1/4 OF SEC 13, TWP 23 N., RGE 4 E., W.M.NW of the int. of Renton Ave S and S 132nd St11232 120th Ave NE, Ste 204Renton Ave S and S 132nd StC17004096(425) 629-3854CITY OF RENTONCITY OF RENTON1 Select the current project status/phase from the following options: For Approval - Preliminary Data Enclosed, pending approval from the City; For Construction - Estimated Data Enclosed, Plans have been approved for contruction by the City; Project Closeout - Final Costs and Quantities Enclosed for Project Close-out SubmittalClearing and GradingUtility ProvidersN/AEarlington TownhomesKirkland, WA, 98033214480-0285, -0295, -0487, -0488, -0500Blue Fern Development, LLC17-000390Page 1 of 13Ref 8-H Bond Quantity WorksheetSECTION I PROJECT INFORMATIONUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096UnitReference #PriceUnitQuantity CostBackfill & compaction-embankmentESC-16.50$ CY Check dams, 4" minus rockESC-2SWDM 5.4.6.380.00$ Each201,600.00Catch Basin ProtectionESC-335.50$ Each6213.00Crushed surfacing 1 1/4" minusESC-4WSDOT 9-03.9(3)95.00$ CY DitchingESC-59.00$ CY Excavation-bulkESC-62.00$ CY Fence, siltESC-7SWDM 5.4.3.11.50$ LF20003,000.00Fence, Temporary (NGPE)ESC-81.50$ LF Geotextile FabricESC-92.50$ SY Hay Bale Silt TrapESC-100.50$ Each HydroseedingESC-11SWDM 5.4.2.40.80$ SY Interceptor Swale / DikeESC-121.00$ LF130130.00Jute MeshESC-13SWDM 5.4.2.23.50$ SY Level SpreaderESC-141.75$ LF Mulch, by hand, straw, 3" deepESC-15SWDM 5.4.2.12.50$ SY20134.450,336.00Mulch, by machine, straw, 2" deepESC-16SWDM 5.4.2.12.00$ SY Piping, temporary, CPP, 6"ESC-1712.00$ LF Piping, temporary, CPP, 8"ESC-1814.00$ LF4005,600.00Piping, temporary, CPP, 12"ESC-1918.00$ LF SITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR EROSION & SEDIMENT CONTROLDescription No.(A)Plastic covering, 6mm thick, sandbaggedESC-20SWDM 5.4.2.34.00$ SY Rip Rap, machine placed; slopesESC-21WSDOT 9-13.1(2)45.00$ CY Rock Construction Entrance, 50'x15'x1'ESC-22SWDM 5.4.4.11,800.00$ Each Rock Construction Entrance, 100'x15'x1'ESC-23SWDM 5.4.4.13,200.00$ Each13,200.00Sediment pond riser assemblyESC-24SWDM 5.4.5.22,200.00$ Each24,400.00Sediment trap, 5' high berm ESC-25SWDM 5.4.5.119.00$ LF5009,500.00Sed. trap, 5' high, riprapped spillway berm section ESC-26SWDM 5.4.5.170.00$ LF201,400.00Seeding, by handESC-27SWDM 5.4.2.41.00$ SY Sodding, 1" deep, level groundESC-28SWDM 5.4.2.58.00$ SY Sodding, 1" deep, sloped groundESC-29SWDM 5.4.2.510.00$ SY TESC SupervisorESC-30110.00$ HR404,400.00Water truck, dust controlESC-31SWDM 5.4.7140.00$ HR UnitReference #PriceUnitQuantity Cost EROSION/SEDIMENT SUBTOTAL:83,779.00SALES TAX @ 10%8,377.90EROSION/SEDIMENT TOTAL:92,156.90(A)WRITE-IN-ITEMS Page 2 of 13Ref 8-H Bond Quantity WorksheetSECTION II.a EROSION_CONTROLUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostGENERAL ITEMS Backfill & Compaction- embankmentGI-16.00$ CYBackfill & Compaction- trenchGI-29.00$ CYClear/Remove Brush, by hand (SY)GI-31.00$ SYBollards - fixedGI-4240.74$ EachBollards - removableGI-5452.34$ EachClearing/Grubbing/Tree RemovalGI-610,000.00$ Acre4.1641,600.00Excavation - bulkGI-72.00$ CY1501030,020.00Excavation - TrenchGI-85.00$ CYFencing, cedar, 6' highGI-920.00$ LFFencing, chain link, 4'GI-1038.31$ LFFencing, chain link, vinyl coated, 6' highGI-1120.00$ LFFencing, chain link, gate, vinyl coated, 20' GI-121,400.00$ EachFill & compact - common barrowGI-1325.00$ CY355088,750.00Fill & compact - gravel baseGI-1427.00$ CYFill & compact - screened topsoilGI-1539.00$ CYSITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR STREET AND SITE IMPROVEMENTSQuantity Remaining (Bond Reduction) (B)(C)Fill & compact - screened topsoilGI-1539.00$ CYGabion, 12" deep, stone filled mesh GI-1665.00$ SYGabion, 18" deep, stone filled mesh GI-1790.00$ SYGabion, 36" deep, stone filled meshGI-18150.00$ SYGrading, fine, by handGI-192.50$ SYGrading, fine, with graderGI-202.00$ SYMonuments, 3' LongGI-21250.00$ EachSensitive Areas SignGI-227.00$ EachSodding, 1" deep, sloped groundGI-238.00$ SYSurveying, line & gradeGI-24850.00$ DaySurveying, lot location/linesGI-251,800.00$ AcreTopsoil Type A (imported)GI-2628.50$ CYTraffic control crew ( 2 flaggers )GI-27120.00$ HRTrail, 4" chipped woodGI-288.00$ SYTrail, 4" crushed cinderGI-299.00$ SYTrail, 4" top courseGI-3012.00$ SYConduit, 2"GI-315.00$ LFWall, retaining, concreteGI-3255.00$ SFWall, rockeryGI-3315.00$ SF3615,415.00SUBTOTAL THIS PAGE:165,785.00(B)(C)(D)(E)Page 3 of 13Ref 8-H Bond Quantity WorksheetSECTION II.b TRANSPORTATIONUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostSITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR STREET AND SITE IMPROVEMENTSQuantity Remaining (Bond Reduction) (B)(C)ROAD IMPROVEMENT/PAVEMENT/SURFACINGAC Grinding, 4' wide machine < 1000syRI-130.00$ SYAC Grinding, 4' wide machine 1000-2000syRI-216.00$ SYAC Grinding, 4' wide machine > 2000syRI-310.00$ SYAC Removal/DisposalRI-435.00$ SYBarricade, Type III ( Permanent )RI-556.00$ LFGuard RailRI-630.00$ LFCurb & Gutter, rolledRI-717.00$ LFCurb & Gutter, verticalRI-812.50$ LF146018,250.0090011,250.00135316,912.50Curb and Gutter, demolition and disposalRI-918.00$ LF80014,400.00Curb, extruded asphaltRI-105.50$ LFCurb, extruded concreteRI-117.00$ LFSawcut, asphalt, 3" depthRI-121.85$ LF448828.80Sawcut, concrete, per 1" depthRI-133.00$ LFSealant, asphaltRI-142.00$ LF13532,706.00Shoulder, gravel, 4" thickRI-1515.00$ SYShoulder, gravel, 4" thickRI-1515.00$ SYSidewalk, 4" thickRI-1638.00$ SYSidewalk, 4" thick, demolition and disposalRI-1732.00$ SYSidewalk, 5" thickRI-1841.00$ SY68428,044.0044118,081.0098340,303.00Sidewalk, 5" thick, demolition and disposalRI-1940.00$ SY68427,360.00Sign, Handicap RI-2085.00$ EachStriping, per stallRI-217.00$ EachStriping, thermoplastic, ( for crosswalk )RI-223.00$ SFStriping, 4" reflectorized lineRI-230.50$ LFAdditional 2.5" Crushed SurfacingRI-243.60$ SYHMA 1/2" Overlay 1.5" RI-2514.00$ SY2012,814.0085111,914.00HMA 1/2" Overlay 2"RI-2618.00$ SYHMA Road, 2", 4" rock, First 2500 SYRI-2728.00$ SY2015,628.0085123,828.00HMA Road, 2", 4" rock, Qty. over 2500SYRI-2821.00$ SYHMA Road, 4", 6" rock, First 2500 SYRI-2945.00$ SY2500112,500.00HMA Road, 4", 6" rock, Qty. over 2500 SYRI-3037.00$ SY1816,697.00HMA Road, 4", 4.5" ATBRI-3138.00$ SYGravel Road, 4" rock, First 2500 SYRI-3215.00$ SYGravel Road, 4" rock, Qty. over 2500 SYRI-3310.00$ SYThickened EdgeRI-348.60$ LFSUBTOTAL THIS PAGE:97,324.8065,073.00179,118.50(B)(C)(D)(E)Page 4 of 13Ref 8-H Bond Quantity WorksheetSECTION II.b TRANSPORTATIONUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostSITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR STREET AND SITE IMPROVEMENTSQuantity Remaining (Bond Reduction) (B)(C)PARKING LOT SURFACINGNo.2" AC, 2" top course rock & 4" borrowPL-121.00$ SY2" AC, 1.5" top course & 2.5" base coursePL-228.00$ SY4" select borrowPL-35.00$ SY1.5" top course rock & 2.5" base coursePL-414.00$ SYSUBTOTAL PARKING LOT SURFACING:(B)(C)(D)(E)LANDSCAPING & VEGETATIONNo.Street TreesLA-1120.00$ EA303,600.00101,200.00Median LandscapingLA-2Right-of-Way LandscapingLA-3Wetland LandscapingLA-4SUBTOTAL LANDSCAPING & VEGETATION:3,600.001,200.00(B)(C)(D)(E)TRAFFIC & LIGHTINGNo.SignsTR-150.00$ EA5250.00Street Light System ( # of Poles)TR-2500.00$ EA126,000.0094,500.00Traffic SignalTR-3Traffic Signal ModificationTR-4SUBTOTAL TRAFFIC & LIGHTING:6,250.004,500.00(B)(C)(D)(E)WRITE-IN-ITEMSRetaining Wall30.00$ LF1975,910.00SUBTOTAL WRITE-IN ITEMS:5,910.00STREET AND SITE IMPROVEMENTS SUBTOTAL:113,084.8070,773.00344,903.50SALES TAX @ 10%11,308.487,077.3034,490.35STREET AND SITE IMPROVEMENTS TOTAL:124,393.2877,850.30379,393.85(B)(C)(D)(E)Page 5 of 13Ref 8-H Bond Quantity WorksheetSECTION II.b TRANSPORTATIONUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostDRAINAGE (CPE = Corrugated Polyethylene Pipe, N12 or Equivalent) For Culvert prices, Average of 4' cover was assumed. Assume perforated PVC is same price as solid pipe.) Access Road, R/DD-126.00$ SY501,300.00* (CBs include frame and lid)BeehiveD-290.00$ EachThrough-curb Inlet FrameworkD-3400.00$ EachCB Type ID-41,500.00$ Each57,500.001218,000.00CB Type ILD-51,750.00$ EachCB Type II, 48" diameterD-62,300.00$ Each613,800.0049,200.00 for additional depth over 4' D-7480.00$ FT125,760.00136,240.00CB Type II, 54" diameterD-82,500.00$ Each for additional depth over 4'D-9495.00$ FTCB Type II, 60" diameterD-102,800.00$ Each for additional depth over 4'D-11600.00$ FTCB Type II, 72" diameterD-126,000.00$ Each for additional depth over 4'D-13850.00$ FTCB Type II, 96" diameterD-1414,000.00$ Each for additional depth over 4'D-15925.00$ FTTrash Rack, 12"D-16350.00$ EachQuantity Remaining (Bond Reduction) (B)(C)SITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR DRAINAGE AND STORMWATER FACILITIESTrash Rack, 12"D-16350.00$ EachTrash Rack, 15"D-17410.00$ EachTrash Rack, 18"D-18480.00$ EachTrash Rack, 21"D-19550.00$ EachCleanout, PVC, 4"D-20150.00$ EachCleanout, PVC, 6"D-21170.00$ EachCleanout, PVC, 8"D-22200.00$ EachCulvert, PVC, 4" D-2310.00$ LFCulvert, PVC, 6" D-2413.00$ LF6348,242.00Culvert, PVC, 8" D-2515.00$ LF231934,785.00Culvert, PVC, 12" D-2623.00$ LF4339,959.0074517,135.00Culvert, PVC, 15" D-2735.00$ LFCulvert, PVC, 18" D-2841.00$ LFCulvert, PVC, 24"D-2956.00$ LFCulvert, PVC, 30" D-3078.00$ LFCulvert, PVC, 36" D-31130.00$ LFCulvert, CMP, 8"D-3219.00$ LFCulvert, CMP, 12"D-3329.00$ LFSUBTOTAL THIS PAGE:37,019.0051,875.0043,027.00(B)(C)(D)(E)Page 6 of 13Ref 8-H Bond Quantity WorksheetSECTION II.c DRAINAGEUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostQuantity Remaining (Bond Reduction) (B)(C)SITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR DRAINAGE AND STORMWATER FACILITIESDRAINAGE (Continued)Culvert, CMP, 15"D-3435.00$ LFCulvert, CMP, 18"D-3541.00$ LFCulvert, CMP, 24"D-3656.00$ LFCulvert, CMP, 30"D-3778.00$ LFCulvert, CMP, 36"D-38130.00$ LFCulvert, CMP, 48"D-39190.00$ LFCulvert, CMP, 60"D-40270.00$ LFCulvert, CMP, 72"D-41350.00$ LFCulvert, Concrete, 8"D-4242.00$ LFCulvert, Concrete, 12"D-4348.00$ LFCulvert, Concrete, 15"D-4478.00$ LFCulvert, Concrete, 18"D-4548.00$ LFCulvert, Concrete, 24"D-4678.00$ LFCulvert, Concrete, 30"D-47125.00$ LFCulvert, Concrete, 36"D-48150.00$ LFCulvert, Concrete, 42"D-49175.00$ LFCulvert, Concrete, 48"D-50205.00$ LFCulvert, Concrete, 48"D-50205.00$ LFCulvert, CPE Triple Wall, 6" D-5114.00$ LFCulvert, CPE Triple Wall, 8" D-5216.00$ LFCulvert, CPE Triple Wall, 12" D-5324.00$ LFCulvert, CPE Triple Wall, 15" D-5435.00$ LFCulvert, CPE Triple Wall, 18" D-5541.00$ LFCulvert, CPE Triple Wall, 24" D-5656.00$ LFCulvert, CPE Triple Wall, 30" D-5778.00$ LFCulvert, CPE Triple Wall, 36" D-58130.00$ LFCulvert, LCPE, 6"D-5960.00$ LFCulvert, LCPE, 8"D-6072.00$ LFCulvert, LCPE, 12"D-6184.00$ LFCulvert, LCPE, 15"D-6296.00$ LFCulvert, LCPE, 18"D-63108.00$ LFCulvert, LCPE, 24"D-64120.00$ LFCulvert, LCPE, 30"D-65132.00$ LFCulvert, LCPE, 36"D-66144.00$ LFCulvert, LCPE, 48"D-67156.00$ LFCulvert, LCPE, 54"D-68168.00$ LFSUBTOTAL THIS PAGE:(B)(C)(D)(E)Page 7 of 13Ref 8-H Bond Quantity WorksheetSECTION II.c DRAINAGEUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostQuantity Remaining (Bond Reduction) (B)(C)SITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR DRAINAGE AND STORMWATER FACILITIESDRAINAGE (Continued)Culvert, LCPE, 60"D-69180.00$ LFCulvert, LCPE, 72"D-70192.00$ LFCulvert, HDPE, 6"D-7142.00$ LFCulvert, HDPE, 8"D-7242.00$ LFCulvert, HDPE, 12"D-7374.00$ LFCulvert, HDPE, 15"D-74106.00$ LFCulvert, HDPE, 18"D-75138.00$ LFCulvert, HDPE, 24"D-76221.00$ LFCulvert, HDPE, 30"D-77276.00$ LFCulvert, HDPE, 36"D-78331.00$ LFCulvert, HDPE, 48"D-79386.00$ LFCulvert, HDPE, 54"D-80441.00$ LFCulvert, HDPE, 60"D-81496.00$ LFCulvert, HDPE, 72"D-82551.00$ LFPipe, Polypropylene, 6"D-8384.00$ LFPipe, Polypropylene, 8"D-8489.00$ LFPipe, Polypropylene, 12"D-8595.00$ LFPipe, Polypropylene, 12"D-8595.00$ LFPipe, Polypropylene, 15"D-86100.00$ LFPipe, Polypropylene, 18"D-87106.00$ LFPipe, Polypropylene, 24"D-88111.00$ LFPipe, Polypropylene, 30"D-89119.00$ LFPipe, Polypropylene, 36"D-90154.00$ LFPipe, Polypropylene, 48"D-91226.00$ LFPipe, Polypropylene, 54"D-92332.00$ LFPipe, Polypropylene, 60"D-93439.00$ LFPipe, Polypropylene, 72"D-94545.00$ LFCulvert, DI, 6"D-9561.00$ LFCulvert, DI, 8"D-9684.00$ LFCulvert, DI, 12"D-97106.00$ LFCulvert, DI, 15"D-98129.00$ LFCulvert, DI, 18"D-99152.00$ LFCulvert, DI, 24"D-100175.00$ LFCulvert, DI, 30"D-101198.00$ LFCulvert, DI, 36"D-102220.00$ LFCulvert, DI, 48"D-103243.00$ LFCulvert, DI, 54"D-104266.00$ LFCulvert, DI, 60"D-105289.00$ LFCulvert, DI, 72"D-106311.00$ LFSUBTOTAL THIS PAGE:(B)(C)(D)(E)Page 8 of 13Ref 8-H Bond Quantity WorksheetSECTION II.c DRAINAGEUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostQuantity Remaining (Bond Reduction) (B)(C)SITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR DRAINAGE AND STORMWATER FACILITIESSpecialty Drainage ItemsDitching SD-19.50$ CYFlow Dispersal Trench (1,436 base+)SD-328.00$ LF French Drain (3' depth)SD-426.00$ LFGeotextile, laid in trench, polypropyleneSD-53.00$ SYMid-tank Access Riser, 48" dia, 6' deepSD-62,000.00$ EachPond Overflow SpillwaySD-716.00$ SYRestrictor/Oil Separator, 12"SD-81,150.00$ EachRestrictor/Oil Separator, 15"SD-91,350.00$ EachRestrictor/Oil Separator, 18"SD-101,700.00$ EachRiprap, placedSD-1142.00$ CYTank End Reducer (36" diameter)SD-121,200.00$ EachInfiltration pond testingSD-13125.00$ HRPermeable PavementSD-14Permeable Concrete SidewalkSD-15Culvert, Box __ ft x __ ftSD-16SUBTOTAL SPECIALTY DRAINAGE ITEMS:(B)(C)(D)(E)STORMWATER FACILITIES (Include Flow Control and Water Quality Facility Summary Sheet and Sketch)Detention PondSF-1Each Detention TankSF-2Each Detention VaultSF-3$300,000Each 1300,000.00Infiltration PondSF-4Each Infiltration TankSF-5Each Infiltration VaultSF-6Each Infiltration TrenchesSF-7Each Basic Biofiltration SwaleSF-8Each Wet Biofiltration SwaleSF-9Each WetpondSF-10Each WetvaultSF-11Each Sand FilterSF-12Each Sand Filter VaultSF-13Each Linear Sand FilterSF-14Each Proprietary FacilitySF-158,000.00$ Each 324,000.00540,000.00Bioretention FacilitySF-16Each SUBTOTAL STORMWATER FACILITIES:324,000.0040,000.00(B)(C)(D)(E)Page 9 of 13Ref 8-H Bond Quantity WorksheetSECTION II.c DRAINAGEUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostQuantity Remaining (Bond Reduction) (B)(C)SITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR DRAINAGE AND STORMWATER FACILITIESWRITE-IN-ITEMS (INCLUDE ON-SITE BMPs)WI-1WI-2WI-3WI-4WI-5WI-6WI-7WI-8WI-9WI-10WI-11WI-12WI-13WI-14WI-15SUBTOTAL WRITE-IN ITEMS:DRAINAGE AND STORMWATER FACILITIES SUBTOTAL:37,019.00375,875.0083,027.00SALES TAX @ 10%3,701.9037,587.508,302.70DRAINAGE AND STORMWATER FACILITIES TOTAL:40,720.90413,462.5091,329.70(B) (C) (D) (E)Page 10 of 13Ref 8-H Bond Quantity WorksheetSECTION II.c DRAINAGEUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostConnection to Existing WatermainW-12,000.00$ Each24,000.00Ductile Iron Watermain, CL 52, 4 Inch DiameterW-250.00$ LFDuctile Iron Watermain, CL 52, 6 Inch DiameterW-356.00$ LFDuctile Iron Watermain, CL 52, 8 Inch DiameterW-460.00$ LF37222,320.00131178,660.00Ductile Iron Watermain, CL 52, 10 Inch DiameterW-570.00$ LFDuctile Iron Watermain, CL 52, 12 Inch DiameterW-680.00$ LFGate Valve, 4 inch DiameterW-7500.00$ EachGate Valve, 6 inch DiameterW-8700.00$ Each32,100.00Gate Valve, 8 Inch DiameterW-9800.00$ Each32,400.00129,600.00Gate Valve, 10 Inch DiameterW-101,000.00$ EachGate Valve, 12 Inch DiameterW-111,200.00$ EachFire Hydrant AssemblyW-124,000.00$ Each416,000.00Permanent Blow-Off AssemblyW-131,800.00$ Each59,000.00Air-Vac Assembly, 2-Inch DiameterW-142,000.00$ EachAir-Vac Assembly, 1-Inch DiameterW-151,500.00$ EachCompound Meter Assembly 3-inch DiameterW-168,000.00$ EachCompound Meter Assembly 4-inch DiameterW-179,000.00$ EachSITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR WATERQuantity Remaining (Bond Reduction) (B)(C)Compound Meter Assembly 4-inch DiameterW-179,000.00$ EachCompound Meter Assembly 6-inch DiameterW-1810,000.00$ EachPressure Reducing Valve Station 8-inch to 10-inchW-1920,000.00$ EachWATER SUBTOTAL:28,720.00115,360.00SALES TAX @ 10%2,872.0011,536.00WATER TOTAL:31,592.00126,896.00(B) (C) (D) (E)Page 11 of 13Ref 8-H Bond Quantity WorksheetSECTION II.d WATERUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 CED Permit #:C17004096ExistingFuture PublicPrivateRight-of-WayImprovementsImprovements(D) (E)DescriptionNo. Unit PriceUnitQuant.CostQuant.CostQuant.CostQuant.CostClean OutsSS-11,000.00$ EachGrease Interceptor, 500 gallonSS-28,000.00$ EachGrease Interceptor, 1000 gallonSS-310,000.00$ EachGrease Interceptor, 1500 gallonSS-415,000.00$ EachSide Sewer Pipe, PVC. 4 Inch DiameterSS-580.00$ LFSide Sewer Pipe, PVC. 6 Inch DiameterSS-695.00$ LFSewer Pipe, PVC, 8 inch DiameterSS-7105.00$ LF989103,845.00Sewer Pipe, PVC, 12 Inch DiameterSS-8120.00$ LFSewer Pipe, DI, 8 inch DiameterSS-9115.00$ LF16919,435.00Sewer Pipe, DI, 12 Inch DiameterSS-10130.00$ LFManhole, 48 Inch DiameterSS-116,000.00$ Each16,000.001272,000.00Manhole, 54 Inch DiameterSS-136,500.00$ EachManhole, 60 Inch DiameterSS-157,500.00$ EachManhole, 72 Inch DiameterSS-178,500.00$ EachManhole, 96 Inch DiameterSS-1914,000.00$ EachPipe, C-900, 12 Inch DiameterSS-21180.00$ LFOutside DropSS-241,500.00$ LSSITE IMPROVEMENT BOND QUANTITY WORKSHEETFOR SANITARY SEWERQuantity Remaining (Bond Reduction) (B)(C)Outside DropSS-241,500.00$ LSInside DropSS-251,000.00$ LSSewer Pipe, PVC, ____ Inch DiameterSS-26Lift Station (Entire System)SS-27LSSANITARY SEWER SUBTOTAL:25,435.00175,845.00SALES TAX @ 10%2,543.5017,584.50SANITARY SEWER TOTAL:27,978.50193,429.50(B) (C) (D) (E)Page 12 of 13Ref 8-H Bond Quantity WorksheetSECTION II.e SANITARY SEWERUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 Planning Division |1055 South Grady Way – 6th Floor | Renton, WA 98057 (425) 430-7200Date:Name:Project Name: PE Registration No:CED Plan # (LUA):Firm Name:CED Permit # (U):Firm Address:Site Address:Phone No.Parcel #(s):Email Address:Project Phase: Site Restoration/Erosion Sediment Control Subtotal (a)Existing Right-of-Way Improvements Subtotal (b)(b)183,963.78$ MAINTENANCE BOND */**(after final acceptance of construction)92,156.90$ 183,963.78$ SITE IMPROVEMENT BOND QUANTITY WORKSHEET BOND CALCULATIONSNovember 10, 2017Peter Gonzales24598ESM Consulting Engineers, LLCPrepared by:Project InformationCONSTRUCTION BOND AMOUNT */**(prior to permit issuance)(253) 838-6113Pete.Gonzales@esmcivil.comEarlington Townhomes17-000390NW of the int. of Renton Ave S and S 132nd St214480-0285, -0295, -0487, -0488, -0500FOR APPROVALC1700409633400 8th Ave South, #204Future Public Improvements Subtotal(c)398,175.80$ Stormwater & Drainage Facilities (Public & Private) Subtotal(d)(d)545,513.10$ (e)(f)Site RestorationCivil Construction PermitMaintenance Bond225,530.54$ Bond Reduction2Construction Permit Bond Amount 3Minimum Bond Amount is $10,000.001 Estimate Only - May involve multiple and variable components, which will be established on an individual basis by Development Engineering.2 The City of Renton allows one request only for bond reduction prior to the maintenance period. Reduction of not more than 70% of the original bond amount, provided that the remaining 30% willcover all remaining items to be constructed. 3 Required Bond Amounts are subject to review and modification by Development Engineering.* Note: The word BOND as used in this document means any financial guarantee acceptable to the City of Renton.** Note: All prices include labor, equipment, materials, overhead and profit. EST1((b) + (c) + (d)) x 20%-$ 821,458.77$ 92,156.90$ -$ 545,513.10$ -$ 913,615.67$ P (a) x 100%R((b x 150%) + (d x 100%))S(e) x 150% + (f) x 100%Bond Reduction: Existing Right-of-Way Improvements (Quantity Remaining)2Bond Reduction: Stormwater & Drainage Facilities (Quantity Remaining)2T(P +R - S)Page 13 of 13Ref 8-H Bond Quantity WorksheetSECTION III. BOND WORKSHEETUnit Prices Updated: 06/14/2016Version: 04/26/2017Printed 1/3/2018 Section Tab #10 10. Operations and Maintenance The Operations and Maintenance manual is included in Appendix D of this report. Blank Tab for Appendix Blank Tab for Appendix Appendix A %106174+06'48#. 64#%6 ( 64#%6 ) 64Ä* 64#%6 + 64#%6 , 64#%6 - CB # 13 CB #8 CB #10 CB #2 CB #1CB #14 CB #15 CB #19 EX CB #100 CB #5 CB #11 Conveyance Basins CB #6 %106174+06'48#. 64#%6 ( 64#%6 ) 64Ä* 64#%6 + 64#%6 , 64#%6 - Water Quality Basins Stormfilter #7 Stormfilter #4 Stormfilter #5 Stormfilter #6 Stormfilter #3 Stormfilter #1 Stormfilter #8 Stormfilter #2 1,910318 City of Renton Print map Template This map is a user generated static output from an Internet mapping site and is for reference only. Data layers that appear on this map may or may not be accurate, current, or otherwise reliable. THIS MAP IS NOT TO BE USED FOR NAVIGATIONWGS_1984_Web_Mercator_Auxiliary_Sphere Notes None 12/27/2016 Legend 216 0 108 216 Feet Information Technology - GIS RentonMapSupport@Rentonwa.gov Streams (Classified) Type S Type F Type Np Type Ns 100' Primary 100' Intermediate 20' Primary 20' Intermediate 5' Primary 5' Intermediate 2' Primary 2' Intermediate Network Structures Inlet Manhole Utility Vault Unknown Structure Control Structure Pump Station Discharge Point Water Quality Detention Facilities Pond Tank Vault Wetland Stormwater Main Culvert Open Drains Virtual Drainline Facility Outline Private Network Structures Inlet Manhole Utility Vault Unknown Structure Private Control Structure Private Discharge Point Private Water Quality Private Detention Facilities Pond Tank Vault Wetland Private Pipe Private Culvert Private Open Drains Private Facility Outline Flow Control BMP Fence Project Site Offsite Basin Offsite Basin Area The offsite basin shown does not appear to drain to the project site. King County - Date: 1/2/2018 Notes: ±The information included on this map has been compiled by King County staff from a variety of sources and is subject to change without notice. King Countymakes no rep resentations or warranties, express or implied, as to accuracy, completeness, timeliness, or rights to the use of such information. This document isnot intended fo r u se as a survey product. King County shall not be liable for any general, special, indirect, incidental, or consequential damages including,but not limited to, lost revenues or lost profits resulting from the use or misuse of the information contained on this map. Any sale of this map or information onthis map is prohibite d except by written permission of King County. Basin Boundary Conveyance system that converges with Detained outflow Conveyance system that bypasses detained outflow Point of Convergence Approx. 37.3 Acre Basin @ 20% Impervious: Impervious = 7.5 Pervious = 29.8 Return CFS 2 Year = 5.4568 5 Year = 8.2094 10 Year = 10.2555 25 Year = 13.0927 50 Year = 15.3894 100 Year = 17.8436 Offsite Basin Flow Estimate Exhibit Blank Tab for Appendix Blank Tab for Appendix Appendix B WWHM2012 PROJECT REPORT Detention Sizing Earlington PUD 11/8/2017 14:54:47 Page 2 General Model Information Project Name:Earlington PUD Site Name:Earlington Site Address: City: Report Date:11/8/2017 Gage:Seatac Data Start:1948/10/01 Data End:2009/09/30 Timestep:15 Minute Precip Scale:1.000 Version Date:2017/04/14 Version:4.2.13 POC Thresholds Low Flow Threshold for POC1:50 Percent of the 2 Year High Flow Threshold for POC1:50 Year Earlington PUD 11/8/2017 14:54:47 Page 3 Landuse Basin Data Predeveloped Land Use PreDev - Target - Detained Bypass:No GroundWater:No Pervious Land Use acre C, Forest, Mod 1.4 C, Forest, Steep 2.4 Pervious Total 3.8 Impervious Land Use acre Impervious Total 0 Basin Total 3.8 Element Flows To: Surface Interflow Groundwater Earlington PUD 11/8/2017 14:54:47 Page 4 PreDev - Target - Bypass Bypass:No GroundWater:No Pervious Land Use acre C, Forest, Mod 0.36 C, Forest, Steep 0.4 Pervious Total 0.76 Impervious Land Use acre Impervious Total 0 Basin Total 0.76 Element Flows To: Surface Interflow Groundwater Earlington PUD 11/8/2017 14:54:47 Page 5 Mitigated Land Use Dev - Target - Detained Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Flat 1.48 Pervious Total 1.48 Impervious Land Use acre ROADS MOD 0.76 ROOF TOPS FLAT 1.13 SIDEWALKS MOD 0.43 Impervious Total 2.32 Basin Total 3.8 Element Flows To: Surface Interflow Groundwater Detention Vault Detention Vault Earlington PUD 11/8/2017 14:54:47 Page 6 Dev - Target - Bypass Bypass:Yes GroundWater:No Pervious Land Use acre C, Lawn, Flat 0.51 Pervious Total 0.51 Impervious Land Use acre ROADS FLAT 0.1 SIDEWALKS MOD 0.15 Impervious Total 0.25 Basin Total 0.76 Element Flows To: Surface Interflow Groundwater Earlington PUD 11/8/2017 14:54:47 Page 7 Routing Elements Predeveloped Routing Earlington PUD 11/8/2017 14:54:47 Page 8 Mitigated Routing Detention Vault Width:64 ft. Length:70 ft. Depth:14 ft. Discharge Structure Riser Height:13 ft. Riser Diameter:12 in. Notch Type:Rectangular Notch Width:0.021 ft. Notch Height:1.500 ft. Orifice 1 Diameter:0.825 in.Elevation:0 ft. Orifice 2 Diameter:0.8 in.Elevation:7.06 ft. Orifice 3 Diameter:1.1 in.Elevation:8.7 ft. Element Flows To: Outlet 1 Outlet 2 Vault Hydraulic Table Stage(feet)Area(ac.)Volume(ac-ft.)Discharge(cfs)Infilt(cfs) 0.0000 0.102 0.000 0.000 0.000 0.1556 0.102 0.016 0.007 0.000 0.3111 0.102 0.032 0.010 0.000 0.4667 0.102 0.048 0.012 0.000 0.6222 0.102 0.064 0.014 0.000 0.7778 0.102 0.080 0.016 0.000 0.9333 0.102 0.096 0.017 0.000 1.0889 0.102 0.112 0.019 0.000 1.2444 0.102 0.128 0.020 0.000 1.4000 0.102 0.144 0.021 0.000 1.5556 0.102 0.160 0.023 0.000 1.7111 0.102 0.176 0.024 0.000 1.8667 0.102 0.192 0.025 0.000 2.0222 0.102 0.208 0.026 0.000 2.1778 0.102 0.224 0.027 0.000 2.3333 0.102 0.240 0.028 0.000 2.4889 0.102 0.256 0.029 0.000 2.6444 0.102 0.272 0.030 0.000 2.8000 0.102 0.288 0.030 0.000 2.9556 0.102 0.304 0.031 0.000 3.1111 0.102 0.320 0.032 0.000 3.2667 0.102 0.336 0.033 0.000 3.4222 0.102 0.352 0.034 0.000 3.5778 0.102 0.368 0.034 0.000 3.7333 0.102 0.384 0.035 0.000 3.8889 0.102 0.400 0.036 0.000 4.0444 0.102 0.416 0.037 0.000 4.2000 0.102 0.432 0.037 0.000 4.3556 0.102 0.448 0.038 0.000 4.5111 0.102 0.464 0.039 0.000 4.6667 0.102 0.480 0.039 0.000 4.8222 0.102 0.495 0.040 0.000 4.9778 0.102 0.511 0.041 0.000 5.1333 0.102 0.527 0.041 0.000 5.2889 0.102 0.543 0.042 0.000 Earlington PUD 11/8/2017 14:54:47 Page 9 5.4444 0.102 0.559 0.043 0.000 5.6000 0.102 0.575 0.043 0.000 5.7556 0.102 0.591 0.044 0.000 5.9111 0.102 0.607 0.044 0.000 6.0667 0.102 0.623 0.045 0.000 6.2222 0.102 0.639 0.046 0.000 6.3778 0.102 0.655 0.046 0.000 6.5333 0.102 0.671 0.047 0.000 6.6889 0.102 0.687 0.047 0.000 6.8444 0.102 0.703 0.048 0.000 7.0000 0.102 0.719 0.048 0.000 7.1556 0.102 0.735 0.054 0.000 7.3111 0.102 0.751 0.058 0.000 7.4667 0.102 0.767 0.061 0.000 7.6222 0.102 0.783 0.064 0.000 7.7778 0.102 0.799 0.066 0.000 7.9333 0.102 0.815 0.068 0.000 8.0889 0.102 0.831 0.070 0.000 8.2444 0.102 0.847 0.071 0.000 8.4000 0.102 0.863 0.073 0.000 8.5556 0.102 0.879 0.075 0.000 8.7111 0.102 0.895 0.080 0.000 8.8667 0.102 0.911 0.091 0.000 9.0222 0.102 0.927 0.098 0.000 9.1778 0.102 0.943 0.103 0.000 9.3333 0.102 0.959 0.108 0.000 9.4889 0.102 0.975 0.113 0.000 9.6444 0.102 0.991 0.117 0.000 9.8000 0.102 1.007 0.121 0.000 9.9556 0.102 1.023 0.124 0.000 10.111 0.102 1.039 0.128 0.000 10.267 0.102 1.055 0.131 0.000 10.422 0.102 1.071 0.134 0.000 10.578 0.102 1.087 0.137 0.000 10.733 0.102 1.103 0.140 0.000 10.889 0.102 1.119 0.143 0.000 11.044 0.102 1.135 0.146 0.000 11.200 0.102 1.151 0.149 0.000 11.356 0.102 1.167 0.151 0.000 11.511 0.102 1.183 0.154 0.000 11.667 0.102 1.199 0.161 0.000 11.822 0.102 1.215 0.171 0.000 11.978 0.102 1.231 0.182 0.000 12.133 0.102 1.247 0.194 0.000 12.289 0.102 1.263 0.207 0.000 12.444 0.102 1.279 0.220 0.000 12.600 0.102 1.295 0.235 0.000 12.756 0.102 1.311 0.251 0.000 12.911 0.102 1.327 0.298 0.000 13.067 0.102 1.343 0.494 0.000 13.222 0.102 1.359 1.360 0.000 13.378 0.102 1.375 2.196 0.000 13.533 0.102 1.391 2.619 0.000 13.689 0.102 1.407 2.935 0.000 13.844 0.102 1.423 3.217 0.000 14.000 0.102 1.439 3.474 0.000 14.156 0.102 1.455 3.712 0.000 14.311 0.000 0.000 3.935 0.000 Earlington PUD 11/8/2017 14:54:47 Page 10 Earlington PUD 11/8/2017 14:54:47 Page 11 Analysis Results POC 1 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #1 Total Pervious Area:4.56 Total Impervious Area:0 Mitigated Landuse Totals for POC #1 Total Pervious Area:1.99 Total Impervious Area:2.57 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.178421 5 year 0.285763 10 year 0.353696 25 year 0.433693 50 year 0.488679 100 year 0.539768 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0.178435 5 year 0.24263 10 year 0.28782 25 year 0.34804 50 year 0.395205 100 year 0.444377 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 0.201 0.237 1950 0.225 0.242 1951 0.359 0.243 1952 0.127 0.113 1953 0.098 0.114 1954 0.140 0.144 1955 0.251 0.150 1956 0.193 0.171 1957 0.174 0.185 1958 0.172 0.134 Earlington PUD 11/8/2017 14:55:25 Page 12 1959 0.143 0.114 1960 0.260 0.230 1961 0.140 0.187 1962 0.097 0.111 1963 0.128 0.157 1964 0.167 0.144 1965 0.120 0.183 1966 0.112 0.134 1967 0.265 0.236 1968 0.148 0.222 1969 0.152 0.173 1970 0.132 0.155 1971 0.139 0.185 1972 0.283 0.224 1973 0.136 0.125 1974 0.137 0.187 1975 0.211 0.192 1976 0.146 0.154 1977 0.023 0.125 1978 0.134 0.156 1979 0.072 0.177 1980 0.332 0.284 1981 0.107 0.164 1982 0.254 0.301 1983 0.186 0.164 1984 0.124 0.121 1985 0.070 0.157 1986 0.310 0.170 1987 0.272 0.199 1988 0.114 0.109 1989 0.068 0.139 1990 0.603 0.426 1991 0.340 0.322 1992 0.145 0.139 1993 0.138 0.098 1994 0.047 0.094 1995 0.177 0.147 1996 0.408 0.302 1997 0.347 0.281 1998 0.103 0.163 1999 0.329 0.331 2000 0.143 0.170 2001 0.029 0.156 2002 0.161 0.240 2003 0.223 0.208 2004 0.300 0.324 2005 0.200 0.158 2006 0.206 0.173 2007 0.456 0.405 2008 0.589 0.336 2009 0.272 0.221 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 0.6031 0.4262 2 0.5890 0.4055 3 0.4563 0.3359 Earlington PUD 11/8/2017 14:55:25 Page 13 4 0.4080 0.3306 5 0.3592 0.3241 6 0.3474 0.3217 7 0.3398 0.3016 8 0.3324 0.3011 9 0.3292 0.2844 10 0.3100 0.2814 11 0.3002 0.2425 12 0.2828 0.2416 13 0.2723 0.2402 14 0.2721 0.2372 15 0.2649 0.2364 16 0.2599 0.2304 17 0.2541 0.2240 18 0.2506 0.2220 19 0.2246 0.2207 20 0.2232 0.2080 21 0.2107 0.1987 22 0.2065 0.1916 23 0.2010 0.1871 24 0.2001 0.1866 25 0.1933 0.1855 26 0.1862 0.1850 27 0.1769 0.1834 28 0.1743 0.1774 29 0.1719 0.1735 30 0.1666 0.1730 31 0.1610 0.1708 32 0.1522 0.1700 33 0.1482 0.1699 34 0.1456 0.1644 35 0.1450 0.1638 36 0.1435 0.1625 37 0.1431 0.1584 38 0.1405 0.1572 39 0.1404 0.1569 40 0.1389 0.1558 41 0.1376 0.1555 42 0.1371 0.1553 43 0.1358 0.1542 44 0.1345 0.1498 45 0.1320 0.1471 46 0.1283 0.1438 47 0.1272 0.1438 48 0.1240 0.1386 49 0.1204 0.1385 50 0.1139 0.1337 51 0.1123 0.1336 52 0.1073 0.1253 53 0.1028 0.1251 54 0.0983 0.1209 55 0.0971 0.1144 56 0.0719 0.1142 57 0.0696 0.1133 58 0.0684 0.1108 59 0.0467 0.1094 60 0.0289 0.0975 61 0.0230 0.0940 Earlington PUD 11/8/2017 14:55:25 Page 14 Earlington PUD 11/8/2017 14:55:25 Page 15 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0892 12615 8547 67 Pass 0.0932 11467 7326 63 Pass 0.0973 10466 6494 62 Pass 0.1013 9571 5843 61 Pass 0.1054 8778 5309 60 Pass 0.1094 8008 4802 59 Pass 0.1134 7366 4389 59 Pass 0.1175 6804 4032 59 Pass 0.1215 6256 3705 59 Pass 0.1255 5754 3407 59 Pass 0.1296 5341 3110 58 Pass 0.1336 4911 2808 57 Pass 0.1376 4487 2552 56 Pass 0.1417 4182 2280 54 Pass 0.1457 3927 2023 51 Pass 0.1497 3662 1814 49 Pass 0.1538 3407 1612 47 Pass 0.1578 3208 1395 43 Pass 0.1618 3005 1229 40 Pass 0.1659 2793 1087 38 Pass 0.1699 2612 931 35 Pass 0.1739 2434 756 31 Pass 0.1780 2259 630 27 Pass 0.1820 2040 508 24 Pass 0.1861 1876 437 23 Pass 0.1901 1731 390 22 Pass 0.1941 1589 353 22 Pass 0.1982 1494 325 21 Pass 0.2022 1394 297 21 Pass 0.2062 1294 271 20 Pass 0.2103 1202 252 20 Pass 0.2143 1121 224 19 Pass 0.2183 1038 195 18 Pass 0.2224 971 159 16 Pass 0.2264 924 142 15 Pass 0.2304 883 131 14 Pass 0.2345 835 116 13 Pass 0.2385 788 104 13 Pass 0.2425 738 95 12 Pass 0.2466 700 89 12 Pass 0.2506 663 79 11 Pass 0.2546 627 75 11 Pass 0.2587 597 63 10 Pass 0.2627 564 52 9 Pass 0.2668 532 38 7 Pass 0.2708 485 33 6 Pass 0.2748 442 31 7 Pass 0.2789 403 30 7 Pass 0.2829 368 27 7 Pass 0.2869 335 25 7 Pass 0.2910 300 23 7 Pass 0.2950 279 22 7 Pass 0.2990 241 21 8 Pass Earlington PUD 11/8/2017 14:55:25 Page 16 0.3031 214 16 7 Pass 0.3071 192 16 8 Pass 0.3111 171 15 8 Pass 0.3152 153 14 9 Pass 0.3192 137 12 8 Pass 0.3232 125 7 5 Pass 0.3273 110 6 5 Pass 0.3313 100 5 5 Pass 0.3353 87 5 5 Pass 0.3394 78 4 5 Pass 0.3434 63 4 6 Pass 0.3475 54 3 5 Pass 0.3515 50 2 4 Pass 0.3555 46 2 4 Pass 0.3596 44 2 4 Pass 0.3636 42 2 4 Pass 0.3676 41 2 4 Pass 0.3717 40 2 5 Pass 0.3757 38 2 5 Pass 0.3797 35 2 5 Pass 0.3838 32 2 6 Pass 0.3878 29 2 6 Pass 0.3918 29 2 6 Pass 0.3959 27 2 7 Pass 0.3999 25 2 8 Pass 0.4039 22 2 9 Pass 0.4080 19 1 5 Pass 0.4120 16 1 6 Pass 0.4160 13 1 7 Pass 0.4201 13 1 7 Pass 0.4241 11 1 9 Pass 0.4282 11 0 0 Pass 0.4322 8 0 0 Pass 0.4362 5 0 0 Pass 0.4403 5 0 0 Pass 0.4443 5 0 0 Pass 0.4483 5 0 0 Pass 0.4524 4 0 0 Pass 0.4564 4 0 0 Pass 0.4604 3 0 0 Pass 0.4645 3 0 0 Pass 0.4685 3 0 0 Pass 0.4725 3 0 0 Pass 0.4766 3 0 0 Pass 0.4806 3 0 0 Pass 0.4846 3 0 0 Pass 0.4887 3 0 0 Pass Earlington PUD 11/8/2017 14:55:25 Page 17 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume:0.0694 acre-feet On-line facility target flow:0.0741 cfs. Adjusted for 15 min:0.0741 cfs. Off-line facility target flow:0.0411 cfs. Adjusted for 15 min:0.0411 cfs. Earlington PUD 11/8/2017 14:55:25 Page 18 LID Report Earlington PUD 11/8/2017 14:55:36 Page 19 POC 2 POC #2 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington PUD 11/8/2017 14:55:36 Page 20 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. Earlington PUD 11/8/2017 14:55:36 Page 21 Appendix Predeveloped Schematic Earlington PUD 11/8/2017 14:55:36 Page 22 Mitigated Schematic Earlington PUD 11/8/2017 14:55:36 Page 23 Predeveloped 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 Earlington PUD.wdm MESSU 25 PreEarlington PUD.MES 27 PreEarlington PUD.L61 28 PreEarlington PUD.L62 30 POCEarlington PUD1.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 11 PERLND 12 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 PreDev - Target - Detaine 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 *** 11 C, Forest, Mod 1 1 1 1 27 0 12 C, Forest, Steep 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 *** 11 0 0 1 0 0 0 0 0 0 0 0 0 12 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 ********* Earlington PUD 11/8/2017 14:55:36 Page 24 11 0 0 4 0 0 0 0 0 0 0 0 0 1 9 12 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 *** 11 0 0 0 0 0 0 0 0 0 0 0 12 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 11 0 4.5 0.08 400 0.1 0.5 0.996 12 0 4.5 0.08 400 0.15 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 11 0 0 2 2 0 0 0 12 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 11 0.2 0.5 0.35 6 0.5 0.7 12 0.2 0.3 0.35 6 0.3 0.7 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 11 0 0 0 0 2.5 1 0 12 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 *** END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* END PRINT-INFO IWAT-PARM1 <PLS > IWATER variable monthly parameter value flags *** # - # CSNO RTOP VRS VNN RTLI *** END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC END IWAT-PARM2 IWAT-PARM3 Earlington PUD 11/8/2017 14:55:36 Page 25 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** PreDev - Target - Detained*** PERLND 11 1.4 COPY 501 12 PERLND 11 1.4 COPY 501 13 PERLND 12 2.4 COPY 501 12 PERLND 12 2.4 COPY 501 13 PreDev - Target - Bypass*** PERLND 11 0.36 COPY 501 12 PERLND 11 0.36 COPY 501 13 PERLND 12 0.4 COPY 501 12 PERLND 12 0.4 COPY 501 13 ******Routing****** 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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** END HYDR-PARM2 HYDR-INIT RCHRES Initial conditions for each HYDR section *** Earlington PUD 11/8/2017 14:55:36 Page 26 # - # *** VOL Initial value of COLIND Initial value of OUTDGT *** ac-ft for each possible exit for each possible exit <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** COPY 501 OUTPUT MEAN 1 1 48.4 WDM 501 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** 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 END MASS-LINK END RUN Earlington PUD 11/8/2017 14:55:36 Page 27 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 Earlington PUD.wdm MESSU 25 MitEarlington PUD.MES 27 MitEarlington PUD.L61 28 MitEarlington PUD.L62 30 POCEarlington PUD1.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 16 IMPLND 2 IMPLND 4 IMPLND 9 IMPLND 1 RCHRES 1 COPY 1 COPY 501 COPY 601 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 Detention Vault MAX 1 2 30 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 601 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 Earlington PUD 11/8/2017 14:55:36 Page 28 END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* 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 *** 2 ROADS/MOD 1 1 1 27 0 4 ROOF TOPS/FLAT 1 1 1 27 0 9 SIDEWALKS/MOD 1 1 1 27 0 1 ROADS/FLAT 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 2 0 0 1 0 0 0 4 0 0 1 0 0 0 9 0 0 1 0 0 0 1 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 2 0 0 4 0 0 0 1 9 4 0 0 4 0 0 0 1 9 9 0 0 4 0 0 0 1 9 1 0 0 4 0 0 0 1 9 END PRINT-INFO Earlington PUD 11/8/2017 14:55:37 Page 29 IWAT-PARM1 <PLS > IWATER variable monthly parameter value flags *** # - # CSNO RTOP VRS VNN RTLI *** 2 0 0 0 0 0 4 0 0 0 0 0 9 0 0 0 0 0 1 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 2 400 0.05 0.1 0.08 4 400 0.01 0.1 0.1 9 400 0.05 0.1 0.08 1 400 0.01 0.1 0.1 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 2 0 0 4 0 0 9 0 0 1 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 2 0 0 4 0 0 9 0 0 1 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** Dev - Target - Detained*** PERLND 16 1.48 RCHRES 1 2 PERLND 16 1.48 RCHRES 1 3 IMPLND 2 0.76 RCHRES 1 5 IMPLND 4 1.13 RCHRES 1 5 IMPLND 9 0.43 RCHRES 1 5 Dev - Target - Bypass*** PERLND 16 0.51 COPY 501 12 PERLND 16 0.51 COPY 601 12 PERLND 16 0.51 COPY 501 13 PERLND 16 0.51 COPY 601 13 IMPLND 1 0.1 COPY 501 15 IMPLND 1 0.1 COPY 601 15 IMPLND 9 0.15 COPY 501 15 IMPLND 9 0.15 COPY 601 15 ******Routing****** PERLND 16 1.48 COPY 1 12 IMPLND 2 0.76 COPY 1 15 IMPLND 4 1.13 COPY 1 15 IMPLND 9 0.43 COPY 1 15 PERLND 16 1.48 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 Earlington PUD 11/8/2017 14:55:37 Page 30 <-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 Detention Vault 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 *** <------><--------><--------><--------><--------><--------><--------> *** 1 1 0.01 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 92 4 Depth Area Volume Outflow1 Velocity Travel Time*** (ft) (acres) (acre-ft) (cfs) (ft/sec) (Minutes)*** 0.000000 0.102847 0.000000 0.000000 0.155556 0.102847 0.015998 0.007285 0.311111 0.102847 0.031997 0.010302 0.466667 0.102847 0.047995 0.012617 0.622222 0.102847 0.063993 0.014569 0.777778 0.102847 0.079992 0.016289 0.933333 0.102847 0.095990 0.017844 1.088889 0.102847 0.111989 0.019273 1.244444 0.102847 0.127987 0.020604 1.400000 0.102847 0.143985 0.021854 1.555556 0.102847 0.159984 0.023036 1.711111 0.102847 0.175982 0.024160 1.866667 0.102847 0.191980 0.025235 Earlington PUD 11/8/2017 14:55:37 Page 31 2.022222 0.102847 0.207979 0.026265 2.177778 0.102847 0.223977 0.027257 2.333333 0.102847 0.239976 0.028213 2.488889 0.102847 0.255974 0.029139 2.644444 0.102847 0.271972 0.030035 2.800000 0.102847 0.287971 0.030906 2.955556 0.102847 0.303969 0.031753 3.111111 0.102847 0.319967 0.032578 3.266667 0.102847 0.335966 0.033383 3.422222 0.102847 0.351964 0.034168 3.577778 0.102847 0.367962 0.034936 3.733333 0.102847 0.383961 0.035687 3.888889 0.102847 0.399959 0.036423 4.044444 0.102847 0.415958 0.037145 4.200000 0.102847 0.431956 0.037852 4.355556 0.102847 0.447954 0.038547 4.511111 0.102847 0.463953 0.039229 4.666667 0.102847 0.479951 0.039900 4.822222 0.102847 0.495949 0.040559 4.977778 0.102847 0.511948 0.041208 5.133333 0.102847 0.527946 0.041847 5.288889 0.102847 0.543944 0.042477 5.444444 0.102847 0.559943 0.043097 5.600000 0.102847 0.575941 0.043708 5.755556 0.102847 0.591940 0.044311 5.911111 0.102847 0.607938 0.044906 6.066667 0.102847 0.623936 0.045493 6.222222 0.102847 0.639935 0.046072 6.377778 0.102847 0.655933 0.046645 6.533333 0.102847 0.671931 0.047210 6.688889 0.102847 0.687930 0.047769 6.844444 0.102847 0.703928 0.048321 7.000000 0.102847 0.719927 0.048867 7.155556 0.102847 0.735925 0.054776 7.311111 0.102847 0.751923 0.058644 7.466667 0.102847 0.767922 0.061545 7.622222 0.102847 0.783920 0.064015 7.777778 0.102847 0.799918 0.066224 7.933333 0.102847 0.815917 0.068253 8.088889 0.102847 0.831915 0.070147 8.244444 0.102847 0.847913 0.071935 8.400000 0.102847 0.863912 0.073636 8.555556 0.102847 0.879910 0.075264 8.711111 0.102847 0.895909 0.080291 8.866667 0.102847 0.911907 0.091747 9.022222 0.102847 0.927905 0.098446 9.177778 0.102847 0.943904 0.103925 9.333333 0.102847 0.959902 0.108744 9.488889 0.102847 0.975900 0.113127 9.644444 0.102847 0.991899 0.117190 9.800000 0.102847 1.007897 0.121007 9.955556 0.102847 1.023896 0.124623 10.11111 0.102847 1.039894 0.128073 10.26667 0.102847 1.055892 0.131380 10.42222 0.102847 1.071891 0.134565 10.57778 0.102847 1.087889 0.137640 10.73333 0.102847 1.103887 0.140619 10.88889 0.102847 1.119886 0.143512 11.04444 0.102847 1.135884 0.146326 11.20000 0.102847 1.151882 0.149068 11.35556 0.102847 1.167881 0.151744 11.51111 0.102847 1.183879 0.154441 11.66667 0.102847 1.199878 0.161482 11.82222 0.102847 1.215876 0.171296 11.97778 0.102847 1.231874 0.182603 12.13333 0.102847 1.247873 0.194829 12.28889 0.102847 1.263871 0.207600 12.44444 0.102847 1.279869 0.220634 12.60000 0.102847 1.295868 0.235305 12.75556 0.102847 1.311866 0.251608 Earlington PUD 11/8/2017 14:55:37 Page 32 12.91111 0.102847 1.327865 0.298564 13.06667 0.102847 1.343863 0.494769 13.22222 0.102847 1.359861 1.360720 13.37778 0.102847 1.375860 2.196086 13.53333 0.102847 1.391858 2.619077 13.68889 0.102847 1.407856 2.935154 13.84444 0.102847 1.423855 3.217336 14.00000 0.102847 1.439853 3.474674 14.15556 0.102847 1.455851 3.712788 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*** 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 COPY 601 OUTPUT MEAN 1 1 48.4 WDM 901 FLOW ENGL REPL RCHRES 1 HYDR RO 1 1 1 WDM 1000 FLOW ENGL REPL RCHRES 1 HYDR STAGE 1 1 1 WDM 1001 STAG 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 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 Earlington PUD 11/8/2017 14:55:37 Page 33 Predeveloped HSPF Message File Earlington PUD 11/8/2017 14:55:37 Page 34 Mitigated HSPF Message File Earlington PUD 11/8/2017 14:55:37 Page 35 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. 2005-2017; 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 WWHM2012 PROJECT REPORT Bypass Threshold Flow Rate Verification Earlington - Bypass Threshold Check 11/15/2017 04:38:07 Page 2 General Model Information Project Name:Earlington - Bypass Threshold Check Site Name:Earlington - Bypass Threshold Check Site Address: City: Report Date:11/15/2017 Gage:Seatac Data Start:1948/10/01 Data End:2009/09/30 Timestep:15 Minute Precip Scale:0.000 (adjusted) Version Date:2017/04/14 Version:4.2.13 POC Thresholds Low Flow Threshold for POC1:50 Percent of the 2 Year High Flow Threshold for POC1:50 Year This is 1.000 in the .whm file Earlington - Bypass Threshold Check 11/15/2017 04:38:07 Page 3 Landuse Basin Data Predeveloped Land Use PreDev - Target - Bypass Bypass:No GroundWater:No Pervious Land Use acre C, Forest, Mod 0.36 C, Forest, Steep 0.4 Pervious Total 0.76 Impervious Land Use acre Impervious Total 0 Basin Total 0.76 Element Flows To: Surface Interflow Groundwater Earlington - Bypass Threshold Check 11/15/2017 04:38:07 Page 4 Mitigated Land Use Dev - Target - Bypass Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Flat 0.51 Pervious Total 0.51 Impervious Land Use acre ROADS FLAT 0.1 SIDEWALKS MOD 0.15 Impervious Total 0.25 Basin Total 0.76 Element Flows To: Surface Interflow Groundwater Earlington - Bypass Threshold Check 11/15/2017 04:38:07 Page 5 Routing Elements Predeveloped Routing Earlington - Bypass Threshold Check 11/15/2017 04:38:07 Page 6 Mitigated Routing Earlington - Bypass Threshold Check 11/15/2017 04:38:07 Page 7 Analysis Results POC 1 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #1 Total Pervious Area:0.76 Total Impervious Area:0 Mitigated Landuse Totals for POC #1 Total Pervious Area:0.51 Total Impervious Area:0.25 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.028709 5 year 0.046102 10 year 0.057131 25 year 0.070133 50 year 0.079078 100 year 0.087394 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0.139353 5 year 0.192561 10 year 0.231292 25 year 0.284336 50 year 0.326914 100 year 0.372184 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 0.032 0.208 1950 0.037 0.203 1951 0.058 0.126 1952 0.020 0.083 1953 0.016 0.088 1954 0.023 0.111 1955 0.040 0.122 1956 0.031 0.114 1957 0.028 0.150 1958 0.028 0.104 Earlington - Bypass Threshold Check 11/15/2017 04:38:42 Page 8 1959 0.023 0.093 1960 0.042 0.138 1961 0.023 0.119 1962 0.016 0.088 1963 0.021 0.124 1964 0.027 0.107 1965 0.019 0.159 1966 0.018 0.093 1967 0.043 0.198 1968 0.024 0.200 1969 0.024 0.145 1970 0.021 0.128 1971 0.022 0.154 1972 0.046 0.193 1973 0.022 0.077 1974 0.022 0.153 1975 0.034 0.154 1976 0.023 0.120 1977 0.004 0.113 1978 0.021 0.139 1979 0.012 0.162 1980 0.054 0.246 1981 0.017 0.133 1982 0.040 0.227 1983 0.030 0.140 1984 0.020 0.097 1985 0.011 0.132 1986 0.050 0.127 1987 0.044 0.155 1988 0.018 0.085 1989 0.011 0.130 1990 0.098 0.365 1991 0.055 0.267 1992 0.023 0.104 1993 0.022 0.089 1994 0.008 0.080 1995 0.029 0.116 1996 0.066 0.184 1997 0.056 0.144 1998 0.016 0.127 1999 0.054 0.310 2000 0.023 0.136 2001 0.005 0.128 2002 0.026 0.198 2003 0.036 0.176 2004 0.047 0.287 2005 0.032 0.124 2006 0.033 0.119 2007 0.074 0.336 2008 0.095 0.257 2009 0.044 0.160 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 0.0979 0.3651 2 0.0949 0.3360 3 0.0740 0.3103 Earlington - Bypass Threshold Check 11/15/2017 04:38:42 Page 9 4 0.0665 0.2874 5 0.0584 0.2675 6 0.0560 0.2566 7 0.0547 0.2456 8 0.0540 0.2266 9 0.0538 0.2076 10 0.0498 0.2033 11 0.0474 0.1995 12 0.0458 0.1985 13 0.0439 0.1984 14 0.0438 0.1927 15 0.0428 0.1838 16 0.0420 0.1764 17 0.0404 0.1621 18 0.0402 0.1599 19 0.0365 0.1593 20 0.0362 0.1554 21 0.0338 0.1545 22 0.0333 0.1544 23 0.0324 0.1529 24 0.0320 0.1504 25 0.0312 0.1446 26 0.0301 0.1443 27 0.0288 0.1398 28 0.0278 0.1387 29 0.0277 0.1383 30 0.0270 0.1363 31 0.0259 0.1329 32 0.0244 0.1322 33 0.0240 0.1305 34 0.0234 0.1281 35 0.0232 0.1279 36 0.0231 0.1268 37 0.0230 0.1267 38 0.0228 0.1256 39 0.0227 0.1244 40 0.0223 0.1238 41 0.0221 0.1222 42 0.0221 0.1198 43 0.0218 0.1195 44 0.0214 0.1193 45 0.0210 0.1161 46 0.0206 0.1139 47 0.0204 0.1134 48 0.0198 0.1109 49 0.0193 0.1069 50 0.0182 0.1043 51 0.0181 0.1040 52 0.0173 0.0972 53 0.0162 0.0931 54 0.0158 0.0927 55 0.0155 0.0893 56 0.0116 0.0881 57 0.0112 0.0879 58 0.0109 0.0853 59 0.0075 0.0827 60 0.0046 0.0795 61 0.0037 0.0770 Earlington - Bypass Threshold Check 11/15/2017 04:38:42 Page 10 Earlington - Bypass Threshold Check 11/15/2017 04:38:42 Page 11 Duration Flows Flow(cfs)Predev Mit Percentage Pass/Fail 0.0144 12981 62434 480 Fail 0.0150 11796 58327 494 Fail 0.0157 10746 54349 505 Fail 0.0163 9815 50820 517 Fail 0.0170 8964 47654 531 Fail 0.0176 8166 44703 547 Fail 0.0183 7518 41965 558 Fail 0.0189 6909 39462 571 Fail 0.0196 6357 37195 585 Fail 0.0202 5867 35013 596 Fail 0.0209 5420 32896 606 Fail 0.0215 4990 31035 621 Fail 0.0222 4573 29260 639 Fail 0.0229 4237 27570 650 Fail 0.0235 3968 26009 655 Fail 0.0242 3690 24576 666 Fail 0.0248 3450 23164 671 Fail 0.0255 3223 21924 680 Fail 0.0261 3014 20683 686 Fail 0.0268 2815 19526 693 Fail 0.0274 2627 18465 702 Fail 0.0281 2453 17443 711 Fail 0.0287 2269 16540 728 Fail 0.0294 2082 15687 753 Fail 0.0300 1922 14919 776 Fail 0.0307 1770 14206 802 Fail 0.0314 1626 13492 829 Fail 0.0320 1514 12825 847 Fail 0.0327 1406 12172 865 Fail 0.0333 1309 11580 884 Fail 0.0340 1210 11039 912 Fail 0.0346 1121 10506 937 Fail 0.0353 1034 10031 970 Fail 0.0359 975 9559 980 Fail 0.0366 928 9118 982 Fail 0.0372 888 8710 980 Fail 0.0379 840 8301 988 Fail 0.0385 791 7942 1004 Fail 0.0392 748 7617 1018 Fail 0.0399 704 7225 1026 Fail 0.0405 663 6894 1039 Fail 0.0412 626 6579 1050 Fail 0.0418 590 6286 1065 Fail 0.0425 561 6017 1072 Fail 0.0431 520 5784 1112 Fail 0.0438 470 5535 1177 Fail 0.0444 430 5313 1235 Fail 0.0451 396 5091 1285 Fail 0.0457 364 4872 1338 Fail 0.0464 324 4654 1436 Fail 0.0470 296 4468 1509 Fail 0.0477 267 4284 1604 Fail 0.0484 243 4117 1694 Fail 0.0490 219 3942 1800 Fail Earlington - Bypass Threshold Check 11/15/2017 04:38:42 Page 12 0.0497 191 3773 1975 Fail 0.0503 174 3632 2087 Fail 0.0510 154 3461 2247 Fail 0.0516 134 3311 2470 Fail 0.0523 125 3187 2549 Fail 0.0529 110 3059 2780 Fail 0.0536 98 2932 2991 Fail 0.0542 87 2825 3247 Fail 0.0549 77 2725 3538 Fail 0.0555 64 2607 4073 Fail 0.0562 53 2522 4758 Fail 0.0568 51 2415 4735 Fail 0.0575 47 2323 4942 Fail 0.0582 44 2239 5088 Fail 0.0588 42 2165 5154 Fail 0.0595 41 2097 5114 Fail 0.0601 40 2036 5090 Fail 0.0608 35 1961 5602 Fail 0.0614 33 1893 5736 Fail 0.0621 30 1832 6106 Fail 0.0627 29 1781 6141 Fail 0.0634 27 1720 6370 Fail 0.0640 25 1675 6700 Fail 0.0647 22 1617 7350 Fail 0.0653 19 1570 8263 Fail 0.0660 17 1521 8947 Fail 0.0667 13 1473 11330 Fail 0.0673 13 1423 10946 Fail 0.0680 11 1380 12545 Fail 0.0686 11 1340 12181 Fail 0.0693 7 1295 18500 Fail 0.0699 6 1262 21033 Fail 0.0706 6 1226 20433 Fail 0.0712 5 1179 23580 Fail 0.0719 5 1147 22940 Fail 0.0725 4 1115 27875 Fail 0.0732 4 1086 27150 Fail 0.0738 4 1056 26400 Fail 0.0745 3 1019 33966 Fail 0.0752 3 988 32933 Fail 0.0758 3 955 31833 Fail 0.0765 3 928 30933 Fail 0.0771 3 905 30166 Fail 0.0778 3 883 29433 Fail 0.0784 3 855 28500 Fail 0.0791 3 828 27600 Fail The development has an increase in flow durations from 1/2 Predeveloped 2 year flow to the 2 year flow or more than a 10% increase from the 2 year to the 50 year flow. The development has an increase in flow durations for more than 50% of the flows for the range of the duration analysis. Earlington - Bypass Threshold Check 11/15/2017 04:38:42 Page 13 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume:0.0694 acre-feet On-line facility target flow:0.0741 cfs. Adjusted for 15 min:0.0741 cfs. Off-line facility target flow:0.0411 cfs. Adjusted for 15 min:0.0411 cfs. Earlington - Bypass Threshold Check 11/15/2017 04:38:42 Page 14 LID Report Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 15 POC 2 POC #2 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Bypass Threshold Check 11/15/2017 04:38:52 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. Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 17 Appendix Predeveloped Schematic Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 18 Mitigated Schematic Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 19 Predeveloped 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 Earlington - Bypass Threshold Check.wdm MESSU 25 PreEarlington - Bypass Threshold Check.MES 27 PreEarlington - Bypass Threshold Check.L61 28 PreEarlington - Bypass Threshold Check.L62 30 POCEarlington - Bypass Threshold Check1.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 11 PERLND 12 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 PreDev - Target - Bypass 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 *** 11 C, Forest, Mod 1 1 1 1 27 0 12 C, Forest, Steep 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 *** 11 0 0 1 0 0 0 0 0 0 0 0 0 12 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 ********* Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 20 11 0 0 4 0 0 0 0 0 0 0 0 0 1 9 12 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 *** 11 0 0 0 0 0 0 0 0 0 0 0 12 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 11 0 4.5 0.08 400 0.1 0.5 0.996 12 0 4.5 0.08 400 0.15 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 11 0 0 2 2 0 0 0 12 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 11 0.2 0.5 0.35 6 0.5 0.7 12 0.2 0.3 0.35 6 0.3 0.7 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 11 0 0 0 0 2.5 1 0 12 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 *** END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* END PRINT-INFO IWAT-PARM1 <PLS > IWATER variable monthly parameter value flags *** # - # CSNO RTOP VRS VNN RTLI *** END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC END IWAT-PARM2 IWAT-PARM3 Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 21 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** PreDev - Target - Bypass*** PERLND 11 0.36 COPY 501 12 PERLND 11 0.36 COPY 501 13 PERLND 12 0.4 COPY 501 12 PERLND 12 0.4 COPY 501 13 ******Routing****** 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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 22 SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** COPY 501 OUTPUT MEAN 1 1 48.4 WDM 501 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** 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 END MASS-LINK END RUN Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 23 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 Earlington - Bypass Threshold Check.wdm MESSU 25 MitEarlington - Bypass Threshold Check.MES 27 MitEarlington - Bypass Threshold Check.L61 28 MitEarlington - Bypass Threshold Check.L62 30 POCEarlington - Bypass Threshold Check1.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 16 IMPLND 1 IMPLND 9 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 Dev - Target - Bypass 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 ********* 16 0 0 4 0 0 0 0 0 0 0 0 0 1 9 Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 24 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 *** 1 ROADS/FLAT 1 1 1 27 0 9 SIDEWALKS/MOD 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 1 0 0 1 0 0 0 9 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 1 0 0 4 0 0 0 1 9 9 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 *** 1 0 0 0 0 0 9 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 1 400 0.01 0.1 0.1 9 400 0.05 0.1 0.08 Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 25 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 1 0 0 9 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 1 0 0 9 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** Dev - Target - Bypass*** PERLND 16 0.51 COPY 501 12 PERLND 16 0.51 COPY 501 13 IMPLND 1 0.1 COPY 501 15 IMPLND 9 0.15 COPY 501 15 ******Routing****** 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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** END HYDR-PARM2 Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 26 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** 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 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 END MASS-LINK END RUN Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 27 Predeveloped HSPF Message File Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 28 Mitigated HSPF Message File Earlington - Bypass Threshold Check 11/15/2017 04:38:52 Page 29 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. 2005-2017; 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 WWHM2012 PROJECT REPORT Water Quality Flow Rates Earlington - Water Quality 11/14/2017 17:40:20 Page 2 General Model Information Project Name:Earlington - Water Quality Site Name:Earlington - Water Quality Site Address: City: Report Date:11/14/2017 Gage:Seatac Data Start:1948/10/01 Data End:2009/09/30 Timestep:15 Minute Precip Scale:1.000 Version Date:2017/04/14 Version:4.2.13 POC Thresholds Low Flow Threshold for POC1:50 Percent of the 2 Year High Flow Threshold for POC1:50 Year Low Flow Threshold for POC2:50 Percent of the 2 Year High Flow Threshold for POC2:50 Year Low Flow Threshold for POC3:50 Percent of the 2 Year High Flow Threshold for POC3:50 Year Low Flow Threshold for POC4:50 Percent of the 2 Year High Flow Threshold for POC4:50 Year Low Flow Threshold for POC5:50 Percent of the 2 Year High Flow Threshold for POC5:50 Year Low Flow Threshold for POC6:50 Percent of the 2 Year High Flow Threshold for POC6:50 Year Low Flow Threshold for POC7:50 Percent of the 2 Year High Flow Threshold for POC7:50 Year Low Flow Threshold for POC8:50 Percent of the 2 Year High Flow Threshold for POC8:50 Year Earlington - Water Quality 11/14/2017 17:40:20 Page 3 Landuse Basin Data Predeveloped Land Use StormFilter #1 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.09 Impervious Total 0.09 Basin Total 0.09 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 4 StormFilter #2 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.1 Impervious Total 0.1 Basin Total 0.1 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 5 StormFilter #3 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.06 Impervious Total 0.06 Basin Total 0.06 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 6 StormFilter #4 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.2 Impervious Total 0.2 Basin Total 0.2 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 7 StormFilter #5 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.1 Impervious Total 0.1 Basin Total 0.1 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 8 StormFilter #6 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.09 Impervious Total 0.09 Basin Total 0.09 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 9 StormFilter #7 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.09 Impervious Total 0.09 Basin Total 0.09 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 10 StormFilter #8 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.07 Impervious Total 0.07 Basin Total 0.07 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 11 Mitigated Land Use StormFilter #1 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.09 Impervious Total 0.09 Basin Total 0.09 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 12 StormFilter #2 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.1 Impervious Total 0.1 Basin Total 0.1 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 13 StormFilter #3 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.06 Impervious Total 0.06 Basin Total 0.06 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 14 StormFilter #4 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.2 Impervious Total 0.2 Basin Total 0.2 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 15 StormFilter #5 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.1 Impervious Total 0.1 Basin Total 0.1 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 16 StormFilter #6 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.09 Impervious Total 0.09 Basin Total 0.09 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 17 StormFilter #7 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.09 Impervious Total 0.09 Basin Total 0.09 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 18 StormFilter #8 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS FLAT 0.07 Impervious Total 0.07 Basin Total 0.07 Element Flows To: Surface Interflow Groundwater Earlington - Water Quality 11/14/2017 17:40:20 Page 19 Routing Elements Predeveloped Routing Earlington - Water Quality 11/14/2017 17:40:20 Page 20 Mitigated Routing Earlington - Water Quality 11/14/2017 17:40:20 Page 21 Analysis Results POC 1 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #1 Total Pervious Area:0 Total Impervious Area:0.09 Mitigated Landuse Totals for POC #1 Total Pervious Area:0 Total Impervious Area:0.09 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.034314 5 year 0.043342 10 year 0.049477 25 year 0.057434 50 year 0.063524 100 year 0.069762 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0.034314 5 year 0.043342 10 year 0.049477 25 year 0.057434 50 year 0.063524 100 year 0.069762 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 0.044 0.044 1950 0.048 0.048 1951 0.028 0.028 1952 0.025 0.025 1953 0.027 0.027 1954 0.028 0.028 1955 0.032 0.032 1956 0.031 0.031 1957 0.035 0.035 1958 0.028 0.028 Earlington - Water Quality 11/14/2017 17:40:55 Page 22 1959 0.029 0.029 1960 0.029 0.029 1961 0.030 0.030 1962 0.026 0.026 1963 0.029 0.029 1964 0.029 0.029 1965 0.036 0.036 1966 0.024 0.024 1967 0.042 0.042 1968 0.048 0.048 1969 0.033 0.033 1970 0.032 0.032 1971 0.038 0.038 1972 0.039 0.039 1973 0.024 0.024 1974 0.035 0.035 1975 0.040 0.040 1976 0.027 0.027 1977 0.029 0.029 1978 0.036 0.036 1979 0.049 0.049 1980 0.044 0.044 1981 0.036 0.036 1982 0.051 0.051 1983 0.041 0.041 1984 0.026 0.026 1985 0.036 0.036 1986 0.031 0.031 1987 0.048 0.048 1988 0.029 0.029 1989 0.036 0.036 1990 0.061 0.061 1991 0.049 0.049 1992 0.026 0.026 1993 0.022 0.022 1994 0.024 0.024 1995 0.032 0.032 1996 0.034 0.034 1997 0.033 0.033 1998 0.033 0.033 1999 0.068 0.068 2000 0.034 0.034 2001 0.037 0.037 2002 0.043 0.043 2003 0.034 0.034 2004 0.064 0.064 2005 0.029 0.029 2006 0.026 0.026 2007 0.060 0.060 2008 0.048 0.048 2009 0.044 0.044 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 0.0681 0.0681 2 0.0638 0.0638 3 0.0611 0.0611 Earlington - Water Quality 11/14/2017 17:40:55 Page 23 4 0.0596 0.0596 5 0.0506 0.0506 6 0.0489 0.0489 7 0.0488 0.0488 8 0.0480 0.0480 9 0.0480 0.0480 10 0.0478 0.0478 11 0.0477 0.0477 12 0.0444 0.0444 13 0.0444 0.0444 14 0.0438 0.0438 15 0.0435 0.0435 16 0.0419 0.0419 17 0.0412 0.0412 18 0.0401 0.0401 19 0.0394 0.0394 20 0.0381 0.0381 21 0.0373 0.0373 22 0.0364 0.0364 23 0.0363 0.0363 24 0.0359 0.0359 25 0.0358 0.0358 26 0.0357 0.0357 27 0.0353 0.0353 28 0.0348 0.0348 29 0.0339 0.0339 30 0.0338 0.0338 31 0.0338 0.0338 32 0.0333 0.0333 33 0.0331 0.0331 34 0.0329 0.0329 35 0.0320 0.0320 36 0.0318 0.0318 37 0.0316 0.0316 38 0.0311 0.0311 39 0.0310 0.0310 40 0.0302 0.0302 41 0.0292 0.0292 42 0.0292 0.0292 43 0.0291 0.0291 44 0.0291 0.0291 45 0.0290 0.0290 46 0.0286 0.0286 47 0.0285 0.0285 48 0.0285 0.0285 49 0.0279 0.0279 50 0.0278 0.0278 51 0.0269 0.0269 52 0.0267 0.0267 53 0.0263 0.0263 54 0.0260 0.0260 55 0.0257 0.0257 56 0.0257 0.0257 57 0.0247 0.0247 58 0.0243 0.0243 59 0.0242 0.0242 60 0.0238 0.0238 61 0.0223 0.0223 Earlington - Water Quality 11/14/2017 17:40:55 Page 24 Earlington - Water Quality 11/14/2017 17:40:55 Page 25 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0172 1804 1804 100 Pass 0.0176 1637 1637 100 Pass 0.0181 1474 1474 100 Pass 0.0186 1343 1343 100 Pass 0.0190 1226 1226 100 Pass 0.0195 1104 1104 100 Pass 0.0200 1003 1003 100 Pass 0.0204 920 920 100 Pass 0.0209 853 853 100 Pass 0.0214 789 789 100 Pass 0.0218 725 725 100 Pass 0.0223 665 665 100 Pass 0.0228 610 610 100 Pass 0.0232 571 571 100 Pass 0.0237 532 532 100 Pass 0.0242 488 488 100 Pass 0.0247 450 450 100 Pass 0.0251 420 420 100 Pass 0.0256 389 389 100 Pass 0.0261 364 364 100 Pass 0.0265 338 338 100 Pass 0.0270 316 316 100 Pass 0.0275 295 295 100 Pass 0.0279 272 272 100 Pass 0.0284 256 256 100 Pass 0.0289 238 238 100 Pass 0.0293 221 221 100 Pass 0.0298 206 206 100 Pass 0.0303 193 193 100 Pass 0.0307 181 181 100 Pass 0.0312 171 171 100 Pass 0.0317 161 161 100 Pass 0.0321 148 148 100 Pass 0.0326 139 139 100 Pass 0.0331 135 135 100 Pass 0.0335 122 122 100 Pass 0.0340 113 113 100 Pass 0.0345 108 108 100 Pass 0.0350 105 105 100 Pass 0.0354 100 100 100 Pass 0.0359 92 92 100 Pass 0.0364 87 87 100 Pass 0.0368 84 84 100 Pass 0.0373 73 73 100 Pass 0.0378 71 71 100 Pass 0.0382 65 65 100 Pass 0.0387 63 63 100 Pass 0.0392 62 62 100 Pass 0.0396 58 58 100 Pass 0.0401 54 54 100 Pass 0.0406 54 54 100 Pass 0.0410 52 52 100 Pass 0.0415 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:40:55 Page 26 0.0420 46 46 100 Pass 0.0424 45 45 100 Pass 0.0429 40 40 100 Pass 0.0434 38 38 100 Pass 0.0439 33 33 100 Pass 0.0443 32 32 100 Pass 0.0448 29 29 100 Pass 0.0453 28 28 100 Pass 0.0457 25 25 100 Pass 0.0462 22 22 100 Pass 0.0467 21 21 100 Pass 0.0471 20 20 100 Pass 0.0476 17 17 100 Pass 0.0481 13 13 100 Pass 0.0485 12 12 100 Pass 0.0490 9 9 100 Pass 0.0495 9 9 100 Pass 0.0499 9 9 100 Pass 0.0504 9 9 100 Pass 0.0509 8 8 100 Pass 0.0513 8 8 100 Pass 0.0518 8 8 100 Pass 0.0523 8 8 100 Pass 0.0528 8 8 100 Pass 0.0532 8 8 100 Pass 0.0537 8 8 100 Pass 0.0542 7 7 100 Pass 0.0546 7 7 100 Pass 0.0551 7 7 100 Pass 0.0556 7 7 100 Pass 0.0560 7 7 100 Pass 0.0565 7 7 100 Pass 0.0570 6 6 100 Pass 0.0574 6 6 100 Pass 0.0579 6 6 100 Pass 0.0584 6 6 100 Pass 0.0588 6 6 100 Pass 0.0593 6 6 100 Pass 0.0598 5 5 100 Pass 0.0602 5 5 100 Pass 0.0607 4 4 100 Pass 0.0612 3 3 100 Pass 0.0617 3 3 100 Pass 0.0621 2 2 100 Pass 0.0626 2 2 100 Pass 0.0631 2 2 100 Pass 0.0635 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:40:55 Page 27 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume:0.011 acre-feet On-line facility target flow:0.0146 cfs. Adjusted for 15 min:0.0146 cfs. Off-line facility target flow:0.0082 cfs. Adjusted for 15 min:0.0082 cfs. Earlington - Water Quality 11/14/2017 17:40:55 Page 28 LID Report Earlington - Water Quality 11/14/2017 17:43:51 Page 29 POC 2 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #2 Total Pervious Area:0 Total Impervious Area:0.1 Mitigated Landuse Totals for POC #2 Total Pervious Area:0 Total Impervious Area:0.1 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #2 Return Period Flow(cfs) 2 year 0.038126 5 year 0.048158 10 year 0.054974 25 year 0.063815 50 year 0.070582 100 year 0.077513 Flow Frequency Return Periods for Mitigated. POC #2 Return Period Flow(cfs) 2 year 0.038126 5 year 0.048158 10 year 0.054974 25 year 0.063815 50 year 0.070582 100 year 0.077513 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #2 Year Predeveloped Mitigated 1949 0.049 0.049 1950 0.053 0.053 1951 0.031 0.031 1952 0.027 0.027 1953 0.030 0.030 1954 0.031 0.031 1955 0.035 0.035 1956 0.035 0.035 1957 0.039 0.039 1958 0.032 0.032 1959 0.032 0.032 Earlington - Water Quality 11/14/2017 17:44:25 Page 30 1960 0.032 0.032 1961 0.034 0.034 1962 0.029 0.029 1963 0.032 0.032 1964 0.032 0.032 1965 0.040 0.040 1966 0.027 0.027 1967 0.047 0.047 1968 0.053 0.053 1969 0.037 0.037 1970 0.036 0.036 1971 0.042 0.042 1972 0.044 0.044 1973 0.026 0.026 1974 0.039 0.039 1975 0.045 0.045 1976 0.030 0.030 1977 0.032 0.032 1978 0.040 0.040 1979 0.054 0.054 1980 0.049 0.049 1981 0.040 0.040 1982 0.056 0.056 1983 0.046 0.046 1984 0.029 0.029 1985 0.040 0.040 1986 0.034 0.034 1987 0.053 0.053 1988 0.032 0.032 1989 0.040 0.040 1990 0.068 0.068 1991 0.054 0.054 1992 0.029 0.029 1993 0.025 0.025 1994 0.027 0.027 1995 0.035 0.035 1996 0.038 0.038 1997 0.037 0.037 1998 0.037 0.037 1999 0.076 0.076 2000 0.038 0.038 2001 0.041 0.041 2002 0.048 0.048 2003 0.038 0.038 2004 0.071 0.071 2005 0.032 0.032 2006 0.029 0.029 2007 0.066 0.066 2008 0.053 0.053 2009 0.049 0.049 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #2 Rank Predeveloped Mitigated 1 0.0757 0.0757 2 0.0708 0.0708 3 0.0679 0.0679 4 0.0662 0.0662 Earlington - Water Quality 11/14/2017 17:44:25 Page 31 5 0.0562 0.0562 6 0.0543 0.0543 7 0.0543 0.0543 8 0.0534 0.0534 9 0.0533 0.0533 10 0.0532 0.0532 11 0.0530 0.0530 12 0.0494 0.0494 13 0.0493 0.0493 14 0.0487 0.0487 15 0.0483 0.0483 16 0.0466 0.0466 17 0.0457 0.0457 18 0.0445 0.0445 19 0.0437 0.0437 20 0.0424 0.0424 21 0.0414 0.0414 22 0.0404 0.0404 23 0.0403 0.0403 24 0.0398 0.0398 25 0.0398 0.0398 26 0.0397 0.0397 27 0.0392 0.0392 28 0.0386 0.0386 29 0.0377 0.0377 30 0.0376 0.0376 31 0.0375 0.0375 32 0.0370 0.0370 33 0.0368 0.0368 34 0.0365 0.0365 35 0.0355 0.0355 36 0.0353 0.0353 37 0.0352 0.0352 38 0.0346 0.0346 39 0.0345 0.0345 40 0.0335 0.0335 41 0.0324 0.0324 42 0.0324 0.0324 43 0.0324 0.0324 44 0.0323 0.0323 45 0.0323 0.0323 46 0.0318 0.0318 47 0.0317 0.0317 48 0.0317 0.0317 49 0.0310 0.0310 50 0.0308 0.0308 51 0.0299 0.0299 52 0.0296 0.0296 53 0.0292 0.0292 54 0.0288 0.0288 55 0.0286 0.0286 56 0.0286 0.0286 57 0.0274 0.0274 58 0.0270 0.0270 59 0.0269 0.0269 60 0.0265 0.0265 61 0.0247 0.0247 Earlington - Water Quality 11/14/2017 17:44:25 Page 32 Earlington - Water Quality 11/14/2017 17:44:25 Page 33 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0191 1802 1802 100 Pass 0.0196 1637 1637 100 Pass 0.0201 1474 1474 100 Pass 0.0206 1343 1343 100 Pass 0.0211 1227 1227 100 Pass 0.0217 1102 1102 100 Pass 0.0222 1003 1003 100 Pass 0.0227 920 920 100 Pass 0.0232 853 853 100 Pass 0.0237 791 791 100 Pass 0.0243 726 726 100 Pass 0.0248 665 665 100 Pass 0.0253 610 610 100 Pass 0.0258 571 571 100 Pass 0.0263 533 533 100 Pass 0.0269 488 488 100 Pass 0.0274 451 451 100 Pass 0.0279 420 420 100 Pass 0.0284 389 389 100 Pass 0.0290 364 364 100 Pass 0.0295 338 338 100 Pass 0.0300 316 316 100 Pass 0.0305 295 295 100 Pass 0.0310 271 271 100 Pass 0.0316 256 256 100 Pass 0.0321 238 238 100 Pass 0.0326 221 221 100 Pass 0.0331 206 206 100 Pass 0.0336 193 193 100 Pass 0.0342 181 181 100 Pass 0.0347 171 171 100 Pass 0.0352 161 161 100 Pass 0.0357 148 148 100 Pass 0.0362 139 139 100 Pass 0.0368 135 135 100 Pass 0.0373 122 122 100 Pass 0.0378 113 113 100 Pass 0.0383 108 108 100 Pass 0.0388 105 105 100 Pass 0.0394 100 100 100 Pass 0.0399 92 92 100 Pass 0.0404 87 87 100 Pass 0.0409 84 84 100 Pass 0.0414 73 73 100 Pass 0.0420 71 71 100 Pass 0.0425 65 65 100 Pass 0.0430 63 63 100 Pass 0.0435 62 62 100 Pass 0.0440 58 58 100 Pass 0.0446 54 54 100 Pass 0.0451 54 54 100 Pass 0.0456 52 52 100 Pass 0.0461 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:44:25 Page 34 0.0466 46 46 100 Pass 0.0472 45 45 100 Pass 0.0477 40 40 100 Pass 0.0482 38 38 100 Pass 0.0487 33 33 100 Pass 0.0492 32 32 100 Pass 0.0498 29 29 100 Pass 0.0503 28 28 100 Pass 0.0508 25 25 100 Pass 0.0513 22 22 100 Pass 0.0518 21 21 100 Pass 0.0524 20 20 100 Pass 0.0529 17 17 100 Pass 0.0534 13 13 100 Pass 0.0539 12 12 100 Pass 0.0544 9 9 100 Pass 0.0550 9 9 100 Pass 0.0555 9 9 100 Pass 0.0560 9 9 100 Pass 0.0565 8 8 100 Pass 0.0571 8 8 100 Pass 0.0576 8 8 100 Pass 0.0581 8 8 100 Pass 0.0586 8 8 100 Pass 0.0591 8 8 100 Pass 0.0597 8 8 100 Pass 0.0602 7 7 100 Pass 0.0607 7 7 100 Pass 0.0612 7 7 100 Pass 0.0617 7 7 100 Pass 0.0623 7 7 100 Pass 0.0628 7 7 100 Pass 0.0633 6 6 100 Pass 0.0638 6 6 100 Pass 0.0643 6 6 100 Pass 0.0649 6 6 100 Pass 0.0654 6 6 100 Pass 0.0659 6 6 100 Pass 0.0664 5 5 100 Pass 0.0669 5 5 100 Pass 0.0675 4 4 100 Pass 0.0680 3 3 100 Pass 0.0685 3 3 100 Pass 0.0690 2 2 100 Pass 0.0695 2 2 100 Pass 0.0701 2 2 100 Pass 0.0706 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:44:25 Page 35 Water Quality Water Quality BMP Flow and Volume for POC #2 On-line facility volume:0.0073 acre-feet On-line facility target flow:0.0097 cfs. Adjusted for 15 min:0.0097 cfs. Off-line facility target flow:0.0091 cfs. Adjusted for 15 min:0.0091 cfs. Earlington - Water Quality 11/14/2017 17:44:25 Page 36 LID Report Earlington - Water Quality 11/14/2017 17:44:25 Page 37 POC 3 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #3 Total Pervious Area:0 Total Impervious Area:0.06 Mitigated Landuse Totals for POC #3 Total Pervious Area:0 Total Impervious Area:0.06 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #3 Return Period Flow(cfs) 2 year 0.022876 5 year 0.028895 10 year 0.032984 25 year 0.038289 50 year 0.042349 100 year 0.046508 Flow Frequency Return Periods for Mitigated. POC #3 Return Period Flow(cfs) 2 year 0.022876 5 year 0.028895 10 year 0.032984 25 year 0.038289 50 year 0.042349 100 year 0.046508 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #3 Year Predeveloped Mitigated 1949 0.030 0.030 1950 0.032 0.032 1951 0.019 0.019 1952 0.016 0.016 1953 0.018 0.018 1954 0.019 0.019 1955 0.021 0.021 1956 0.021 0.021 1957 0.024 0.024 1958 0.019 0.019 1959 0.019 0.019 Earlington - Water Quality 11/14/2017 17:45:00 Page 38 1960 0.019 0.019 1961 0.020 0.020 1962 0.018 0.018 1963 0.019 0.019 1964 0.019 0.019 1965 0.024 0.024 1966 0.016 0.016 1967 0.028 0.028 1968 0.032 0.032 1969 0.022 0.022 1970 0.021 0.021 1971 0.025 0.025 1972 0.026 0.026 1973 0.016 0.016 1974 0.023 0.023 1975 0.027 0.027 1976 0.018 0.018 1977 0.019 0.019 1978 0.024 0.024 1979 0.033 0.033 1980 0.029 0.029 1981 0.024 0.024 1982 0.034 0.034 1983 0.027 0.027 1984 0.017 0.017 1985 0.024 0.024 1986 0.021 0.021 1987 0.032 0.032 1988 0.019 0.019 1989 0.024 0.024 1990 0.041 0.041 1991 0.033 0.033 1992 0.017 0.017 1993 0.015 0.015 1994 0.016 0.016 1995 0.021 0.021 1996 0.023 0.023 1997 0.022 0.022 1998 0.022 0.022 1999 0.045 0.045 2000 0.023 0.023 2001 0.025 0.025 2002 0.029 0.029 2003 0.023 0.023 2004 0.043 0.043 2005 0.019 0.019 2006 0.017 0.017 2007 0.040 0.040 2008 0.032 0.032 2009 0.030 0.030 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #3 Rank Predeveloped Mitigated 1 0.0454 0.0454 2 0.0425 0.0425 3 0.0408 0.0408 4 0.0397 0.0397 Earlington - Water Quality 11/14/2017 17:45:00 Page 39 5 0.0337 0.0337 6 0.0326 0.0326 7 0.0326 0.0326 8 0.0320 0.0320 9 0.0320 0.0320 10 0.0319 0.0319 11 0.0318 0.0318 12 0.0296 0.0296 13 0.0296 0.0296 14 0.0292 0.0292 15 0.0290 0.0290 16 0.0279 0.0279 17 0.0274 0.0274 18 0.0267 0.0267 19 0.0262 0.0262 20 0.0254 0.0254 21 0.0248 0.0248 22 0.0243 0.0243 23 0.0242 0.0242 24 0.0239 0.0239 25 0.0239 0.0239 26 0.0238 0.0238 27 0.0235 0.0235 28 0.0232 0.0232 29 0.0226 0.0226 30 0.0226 0.0226 31 0.0225 0.0225 32 0.0222 0.0222 33 0.0221 0.0221 34 0.0219 0.0219 35 0.0213 0.0213 36 0.0212 0.0212 37 0.0211 0.0211 38 0.0208 0.0208 39 0.0207 0.0207 40 0.0201 0.0201 41 0.0195 0.0195 42 0.0195 0.0195 43 0.0194 0.0194 44 0.0194 0.0194 45 0.0194 0.0194 46 0.0191 0.0191 47 0.0190 0.0190 48 0.0190 0.0190 49 0.0186 0.0186 50 0.0185 0.0185 51 0.0180 0.0180 52 0.0178 0.0178 53 0.0175 0.0175 54 0.0173 0.0173 55 0.0172 0.0172 56 0.0171 0.0171 57 0.0165 0.0165 58 0.0162 0.0162 59 0.0161 0.0161 60 0.0159 0.0159 61 0.0148 0.0148 Earlington - Water Quality 11/14/2017 17:45:00 Page 40 Earlington - Water Quality 11/14/2017 17:45:00 Page 41 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0114 1806 1806 100 Pass 0.0118 1636 1636 100 Pass 0.0121 1474 1474 100 Pass 0.0124 1344 1344 100 Pass 0.0127 1229 1229 100 Pass 0.0130 1107 1107 100 Pass 0.0133 1002 1002 100 Pass 0.0136 920 920 100 Pass 0.0139 854 854 100 Pass 0.0142 794 794 100 Pass 0.0146 725 725 100 Pass 0.0149 665 665 100 Pass 0.0152 610 610 100 Pass 0.0155 571 571 100 Pass 0.0158 533 533 100 Pass 0.0161 488 488 100 Pass 0.0164 451 451 100 Pass 0.0167 420 420 100 Pass 0.0171 389 389 100 Pass 0.0174 364 364 100 Pass 0.0177 338 338 100 Pass 0.0180 316 316 100 Pass 0.0183 296 296 100 Pass 0.0186 272 272 100 Pass 0.0189 256 256 100 Pass 0.0192 238 238 100 Pass 0.0196 221 221 100 Pass 0.0199 208 208 100 Pass 0.0202 193 193 100 Pass 0.0205 181 181 100 Pass 0.0208 171 171 100 Pass 0.0211 161 161 100 Pass 0.0214 148 148 100 Pass 0.0217 139 139 100 Pass 0.0221 135 135 100 Pass 0.0224 122 122 100 Pass 0.0227 113 113 100 Pass 0.0230 107 107 100 Pass 0.0233 105 105 100 Pass 0.0236 100 100 100 Pass 0.0239 92 92 100 Pass 0.0242 87 87 100 Pass 0.0246 84 84 100 Pass 0.0249 73 73 100 Pass 0.0252 71 71 100 Pass 0.0255 66 66 100 Pass 0.0258 63 63 100 Pass 0.0261 62 62 100 Pass 0.0264 58 58 100 Pass 0.0267 54 54 100 Pass 0.0270 54 54 100 Pass 0.0274 52 52 100 Pass 0.0277 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:45:00 Page 42 0.0280 46 46 100 Pass 0.0283 45 45 100 Pass 0.0286 40 40 100 Pass 0.0289 38 38 100 Pass 0.0292 33 33 100 Pass 0.0295 32 32 100 Pass 0.0299 29 29 100 Pass 0.0302 28 28 100 Pass 0.0305 25 25 100 Pass 0.0308 22 22 100 Pass 0.0311 21 21 100 Pass 0.0314 20 20 100 Pass 0.0317 17 17 100 Pass 0.0320 13 13 100 Pass 0.0324 12 12 100 Pass 0.0327 9 9 100 Pass 0.0330 9 9 100 Pass 0.0333 9 9 100 Pass 0.0336 9 9 100 Pass 0.0339 8 8 100 Pass 0.0342 8 8 100 Pass 0.0345 8 8 100 Pass 0.0349 8 8 100 Pass 0.0352 8 8 100 Pass 0.0355 8 8 100 Pass 0.0358 8 8 100 Pass 0.0361 7 7 100 Pass 0.0364 7 7 100 Pass 0.0367 7 7 100 Pass 0.0370 7 7 100 Pass 0.0374 7 7 100 Pass 0.0377 7 7 100 Pass 0.0380 6 6 100 Pass 0.0383 6 6 100 Pass 0.0386 6 6 100 Pass 0.0389 6 6 100 Pass 0.0392 6 6 100 Pass 0.0395 6 6 100 Pass 0.0399 5 5 100 Pass 0.0402 5 5 100 Pass 0.0405 4 4 100 Pass 0.0408 3 3 100 Pass 0.0411 3 3 100 Pass 0.0414 2 2 100 Pass 0.0417 2 2 100 Pass 0.0420 2 2 100 Pass 0.0423 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:45:00 Page 43 Water Quality Water Quality BMP Flow and Volume for POC #3 On-line facility volume:0.0073 acre-feet On-line facility target flow:0.0097 cfs. Adjusted for 15 min:0.0097 cfs. Off-line facility target flow:0.0055 cfs. Adjusted for 15 min:0.0055 cfs. Earlington - Water Quality 11/14/2017 17:45:00 Page 44 LID Report Earlington - Water Quality 11/14/2017 17:45:00 Page 45 POC 4 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #4 Total Pervious Area:0 Total Impervious Area:0.2 Mitigated Landuse Totals for POC #4 Total Pervious Area:0 Total Impervious Area:0.2 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #4 Return Period Flow(cfs) 2 year 0.076253 5 year 0.096316 10 year 0.109948 25 year 0.12763 50 year 0.141164 100 year 0.155026 Flow Frequency Return Periods for Mitigated. POC #4 Return Period Flow(cfs) 2 year 0.076253 5 year 0.096316 10 year 0.109948 25 year 0.12763 50 year 0.141164 100 year 0.155026 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #4 Year Predeveloped Mitigated 1949 0.099 0.099 1950 0.107 0.107 1951 0.062 0.062 1952 0.055 0.055 1953 0.059 0.059 1954 0.062 0.062 1955 0.070 0.070 1956 0.069 0.069 1957 0.078 0.078 1958 0.063 0.063 1959 0.065 0.065 Earlington - Water Quality 11/14/2017 17:45:33 Page 46 1960 0.063 0.063 1961 0.067 0.067 1962 0.058 0.058 1963 0.065 0.065 1964 0.064 0.064 1965 0.081 0.081 1966 0.054 0.054 1967 0.093 0.093 1968 0.106 0.106 1969 0.074 0.074 1970 0.071 0.071 1971 0.085 0.085 1972 0.087 0.087 1973 0.053 0.053 1974 0.077 0.077 1975 0.089 0.089 1976 0.060 0.060 1977 0.065 0.065 1978 0.079 0.079 1979 0.109 0.109 1980 0.097 0.097 1981 0.080 0.080 1982 0.112 0.112 1983 0.091 0.091 1984 0.058 0.058 1985 0.080 0.080 1986 0.069 0.069 1987 0.106 0.106 1988 0.065 0.065 1989 0.081 0.081 1990 0.136 0.136 1991 0.109 0.109 1992 0.057 0.057 1993 0.049 0.049 1994 0.054 0.054 1995 0.071 0.071 1996 0.075 0.075 1997 0.073 0.073 1998 0.074 0.074 1999 0.151 0.151 2000 0.075 0.075 2001 0.083 0.083 2002 0.097 0.097 2003 0.075 0.075 2004 0.142 0.142 2005 0.065 0.065 2006 0.057 0.057 2007 0.132 0.132 2008 0.107 0.107 2009 0.099 0.099 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #4 Rank Predeveloped Mitigated 1 0.1514 0.1514 2 0.1417 0.1417 3 0.1359 0.1359 4 0.1324 0.1324 Earlington - Water Quality 11/14/2017 17:45:33 Page 47 5 0.1124 0.1124 6 0.1086 0.1086 7 0.1086 0.1086 8 0.1067 0.1067 9 0.1067 0.1067 10 0.1063 0.1063 11 0.1059 0.1059 12 0.0988 0.0988 13 0.0986 0.0986 14 0.0974 0.0974 15 0.0966 0.0966 16 0.0931 0.0931 17 0.0915 0.0915 18 0.0890 0.0890 19 0.0875 0.0875 20 0.0847 0.0847 21 0.0828 0.0828 22 0.0808 0.0808 23 0.0807 0.0807 24 0.0797 0.0797 25 0.0795 0.0795 26 0.0793 0.0793 27 0.0785 0.0785 28 0.0773 0.0773 29 0.0754 0.0754 30 0.0752 0.0752 31 0.0751 0.0751 32 0.0740 0.0740 33 0.0736 0.0736 34 0.0730 0.0730 35 0.0710 0.0710 36 0.0707 0.0707 37 0.0703 0.0703 38 0.0692 0.0692 39 0.0689 0.0689 40 0.0670 0.0670 41 0.0649 0.0649 42 0.0648 0.0648 43 0.0647 0.0647 44 0.0646 0.0646 45 0.0645 0.0645 46 0.0636 0.0636 47 0.0634 0.0634 48 0.0633 0.0633 49 0.0620 0.0620 50 0.0617 0.0617 51 0.0599 0.0599 52 0.0593 0.0593 53 0.0584 0.0584 54 0.0577 0.0577 55 0.0572 0.0572 56 0.0571 0.0571 57 0.0549 0.0549 58 0.0541 0.0541 59 0.0538 0.0538 60 0.0530 0.0530 61 0.0495 0.0495 Earlington - Water Quality 11/14/2017 17:45:33 Page 48 Earlington - Water Quality 11/14/2017 17:45:33 Page 49 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0381 1802 1802 100 Pass 0.0392 1637 1637 100 Pass 0.0402 1474 1474 100 Pass 0.0412 1343 1343 100 Pass 0.0423 1227 1227 100 Pass 0.0433 1101 1101 100 Pass 0.0444 1002 1002 100 Pass 0.0454 920 920 100 Pass 0.0465 852 852 100 Pass 0.0475 789 789 100 Pass 0.0485 725 725 100 Pass 0.0496 665 665 100 Pass 0.0506 610 610 100 Pass 0.0517 571 571 100 Pass 0.0527 532 532 100 Pass 0.0537 488 488 100 Pass 0.0548 451 451 100 Pass 0.0558 420 420 100 Pass 0.0569 389 389 100 Pass 0.0579 364 364 100 Pass 0.0589 338 338 100 Pass 0.0600 316 316 100 Pass 0.0610 295 295 100 Pass 0.0621 271 271 100 Pass 0.0631 256 256 100 Pass 0.0641 238 238 100 Pass 0.0652 221 221 100 Pass 0.0662 206 206 100 Pass 0.0673 193 193 100 Pass 0.0683 181 181 100 Pass 0.0693 171 171 100 Pass 0.0704 161 161 100 Pass 0.0714 148 148 100 Pass 0.0725 139 139 100 Pass 0.0735 135 135 100 Pass 0.0746 122 122 100 Pass 0.0756 113 113 100 Pass 0.0766 107 107 100 Pass 0.0777 105 105 100 Pass 0.0787 100 100 100 Pass 0.0798 92 92 100 Pass 0.0808 87 87 100 Pass 0.0818 84 84 100 Pass 0.0829 73 73 100 Pass 0.0839 71 71 100 Pass 0.0850 65 65 100 Pass 0.0860 63 63 100 Pass 0.0870 62 62 100 Pass 0.0881 58 58 100 Pass 0.0891 54 54 100 Pass 0.0902 54 54 100 Pass 0.0912 52 52 100 Pass 0.0922 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:45:33 Page 50 0.0933 46 46 100 Pass 0.0943 45 45 100 Pass 0.0954 40 40 100 Pass 0.0964 38 38 100 Pass 0.0975 33 33 100 Pass 0.0985 32 32 100 Pass 0.0995 29 29 100 Pass 0.1006 28 28 100 Pass 0.1016 25 25 100 Pass 0.1027 22 22 100 Pass 0.1037 21 21 100 Pass 0.1047 20 20 100 Pass 0.1058 17 17 100 Pass 0.1068 13 13 100 Pass 0.1079 12 12 100 Pass 0.1089 9 9 100 Pass 0.1099 9 9 100 Pass 0.1110 9 9 100 Pass 0.1120 9 9 100 Pass 0.1131 8 8 100 Pass 0.1141 8 8 100 Pass 0.1151 8 8 100 Pass 0.1162 8 8 100 Pass 0.1172 8 8 100 Pass 0.1183 8 8 100 Pass 0.1193 8 8 100 Pass 0.1203 7 7 100 Pass 0.1214 7 7 100 Pass 0.1224 7 7 100 Pass 0.1235 7 7 100 Pass 0.1245 7 7 100 Pass 0.1256 7 7 100 Pass 0.1266 6 6 100 Pass 0.1276 6 6 100 Pass 0.1287 6 6 100 Pass 0.1297 6 6 100 Pass 0.1308 6 6 100 Pass 0.1318 6 6 100 Pass 0.1328 5 5 100 Pass 0.1339 5 5 100 Pass 0.1349 4 4 100 Pass 0.1360 3 3 100 Pass 0.1370 3 3 100 Pass 0.1380 2 2 100 Pass 0.1391 2 2 100 Pass 0.1401 2 2 100 Pass 0.1412 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:45:33 Page 51 Water Quality Water Quality BMP Flow and Volume for POC #4 On-line facility volume:0.0246 acre-feet On-line facility target flow:0.0324 cfs. Adjusted for 15 min:0.0324 cfs. Off-line facility target flow:0.0183 cfs. Adjusted for 15 min:0.0183 cfs. Earlington - Water Quality 11/14/2017 17:45:33 Page 52 LID Report Earlington - Water Quality 11/14/2017 17:45:33 Page 53 POC 5 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #5 Total Pervious Area:0 Total Impervious Area:0.1 Mitigated Landuse Totals for POC #5 Total Pervious Area:0 Total Impervious Area:0.1 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #5 Return Period Flow(cfs) 2 year 0.038126 5 year 0.048158 10 year 0.054974 25 year 0.063815 50 year 0.070582 100 year 0.077513 Flow Frequency Return Periods for Mitigated. POC #5 Return Period Flow(cfs) 2 year 0.038126 5 year 0.048158 10 year 0.054974 25 year 0.063815 50 year 0.070582 100 year 0.077513 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #5 Year Predeveloped Mitigated 1949 0.049 0.049 1950 0.053 0.053 1951 0.031 0.031 1952 0.027 0.027 1953 0.030 0.030 1954 0.031 0.031 1955 0.035 0.035 1956 0.035 0.035 1957 0.039 0.039 1958 0.032 0.032 1959 0.032 0.032 Earlington - Water Quality 11/14/2017 17:46:07 Page 54 1960 0.032 0.032 1961 0.034 0.034 1962 0.029 0.029 1963 0.032 0.032 1964 0.032 0.032 1965 0.040 0.040 1966 0.027 0.027 1967 0.047 0.047 1968 0.053 0.053 1969 0.037 0.037 1970 0.036 0.036 1971 0.042 0.042 1972 0.044 0.044 1973 0.026 0.026 1974 0.039 0.039 1975 0.045 0.045 1976 0.030 0.030 1977 0.032 0.032 1978 0.040 0.040 1979 0.054 0.054 1980 0.049 0.049 1981 0.040 0.040 1982 0.056 0.056 1983 0.046 0.046 1984 0.029 0.029 1985 0.040 0.040 1986 0.034 0.034 1987 0.053 0.053 1988 0.032 0.032 1989 0.040 0.040 1990 0.068 0.068 1991 0.054 0.054 1992 0.029 0.029 1993 0.025 0.025 1994 0.027 0.027 1995 0.035 0.035 1996 0.038 0.038 1997 0.037 0.037 1998 0.037 0.037 1999 0.076 0.076 2000 0.038 0.038 2001 0.041 0.041 2002 0.048 0.048 2003 0.038 0.038 2004 0.071 0.071 2005 0.032 0.032 2006 0.029 0.029 2007 0.066 0.066 2008 0.053 0.053 2009 0.049 0.049 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #5 Rank Predeveloped Mitigated 1 0.0757 0.0757 2 0.0708 0.0708 3 0.0679 0.0679 4 0.0662 0.0662 Earlington - Water Quality 11/14/2017 17:46:07 Page 55 5 0.0562 0.0562 6 0.0543 0.0543 7 0.0543 0.0543 8 0.0534 0.0534 9 0.0533 0.0533 10 0.0532 0.0532 11 0.0530 0.0530 12 0.0494 0.0494 13 0.0493 0.0493 14 0.0487 0.0487 15 0.0483 0.0483 16 0.0466 0.0466 17 0.0457 0.0457 18 0.0445 0.0445 19 0.0437 0.0437 20 0.0424 0.0424 21 0.0414 0.0414 22 0.0404 0.0404 23 0.0403 0.0403 24 0.0398 0.0398 25 0.0398 0.0398 26 0.0397 0.0397 27 0.0392 0.0392 28 0.0386 0.0386 29 0.0377 0.0377 30 0.0376 0.0376 31 0.0375 0.0375 32 0.0370 0.0370 33 0.0368 0.0368 34 0.0365 0.0365 35 0.0355 0.0355 36 0.0353 0.0353 37 0.0352 0.0352 38 0.0346 0.0346 39 0.0345 0.0345 40 0.0335 0.0335 41 0.0324 0.0324 42 0.0324 0.0324 43 0.0324 0.0324 44 0.0323 0.0323 45 0.0323 0.0323 46 0.0318 0.0318 47 0.0317 0.0317 48 0.0317 0.0317 49 0.0310 0.0310 50 0.0308 0.0308 51 0.0299 0.0299 52 0.0296 0.0296 53 0.0292 0.0292 54 0.0288 0.0288 55 0.0286 0.0286 56 0.0286 0.0286 57 0.0274 0.0274 58 0.0270 0.0270 59 0.0269 0.0269 60 0.0265 0.0265 61 0.0247 0.0247 Earlington - Water Quality 11/14/2017 17:46:07 Page 56 Earlington - Water Quality 11/14/2017 17:46:07 Page 57 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0191 1802 1802 100 Pass 0.0196 1637 1637 100 Pass 0.0201 1474 1474 100 Pass 0.0206 1343 1343 100 Pass 0.0211 1227 1227 100 Pass 0.0217 1102 1102 100 Pass 0.0222 1003 1003 100 Pass 0.0227 920 920 100 Pass 0.0232 853 853 100 Pass 0.0237 791 791 100 Pass 0.0243 726 726 100 Pass 0.0248 665 665 100 Pass 0.0253 610 610 100 Pass 0.0258 571 571 100 Pass 0.0263 533 533 100 Pass 0.0269 488 488 100 Pass 0.0274 451 451 100 Pass 0.0279 420 420 100 Pass 0.0284 389 389 100 Pass 0.0290 364 364 100 Pass 0.0295 338 338 100 Pass 0.0300 316 316 100 Pass 0.0305 295 295 100 Pass 0.0310 271 271 100 Pass 0.0316 256 256 100 Pass 0.0321 238 238 100 Pass 0.0326 221 221 100 Pass 0.0331 206 206 100 Pass 0.0336 193 193 100 Pass 0.0342 181 181 100 Pass 0.0347 171 171 100 Pass 0.0352 161 161 100 Pass 0.0357 148 148 100 Pass 0.0362 139 139 100 Pass 0.0368 135 135 100 Pass 0.0373 122 122 100 Pass 0.0378 113 113 100 Pass 0.0383 108 108 100 Pass 0.0388 105 105 100 Pass 0.0394 100 100 100 Pass 0.0399 92 92 100 Pass 0.0404 87 87 100 Pass 0.0409 84 84 100 Pass 0.0414 73 73 100 Pass 0.0420 71 71 100 Pass 0.0425 65 65 100 Pass 0.0430 63 63 100 Pass 0.0435 62 62 100 Pass 0.0440 58 58 100 Pass 0.0446 54 54 100 Pass 0.0451 54 54 100 Pass 0.0456 52 52 100 Pass 0.0461 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:46:07 Page 58 0.0466 46 46 100 Pass 0.0472 45 45 100 Pass 0.0477 40 40 100 Pass 0.0482 38 38 100 Pass 0.0487 33 33 100 Pass 0.0492 32 32 100 Pass 0.0498 29 29 100 Pass 0.0503 28 28 100 Pass 0.0508 25 25 100 Pass 0.0513 22 22 100 Pass 0.0518 21 21 100 Pass 0.0524 20 20 100 Pass 0.0529 17 17 100 Pass 0.0534 13 13 100 Pass 0.0539 12 12 100 Pass 0.0544 9 9 100 Pass 0.0550 9 9 100 Pass 0.0555 9 9 100 Pass 0.0560 9 9 100 Pass 0.0565 8 8 100 Pass 0.0571 8 8 100 Pass 0.0576 8 8 100 Pass 0.0581 8 8 100 Pass 0.0586 8 8 100 Pass 0.0591 8 8 100 Pass 0.0597 8 8 100 Pass 0.0602 7 7 100 Pass 0.0607 7 7 100 Pass 0.0612 7 7 100 Pass 0.0617 7 7 100 Pass 0.0623 7 7 100 Pass 0.0628 7 7 100 Pass 0.0633 6 6 100 Pass 0.0638 6 6 100 Pass 0.0643 6 6 100 Pass 0.0649 6 6 100 Pass 0.0654 6 6 100 Pass 0.0659 6 6 100 Pass 0.0664 5 5 100 Pass 0.0669 5 5 100 Pass 0.0675 4 4 100 Pass 0.0680 3 3 100 Pass 0.0685 3 3 100 Pass 0.0690 2 2 100 Pass 0.0695 2 2 100 Pass 0.0701 2 2 100 Pass 0.0706 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:46:07 Page 59 Water Quality Water Quality BMP Flow and Volume for POC #5 On-line facility volume:0.0123 acre-feet On-line facility target flow:0.0162 cfs. Adjusted for 15 min:0.0162 cfs. Off-line facility target flow:0.0091 cfs. Adjusted for 15 min:0.0091 cfs. Earlington - Water Quality 11/14/2017 17:46:07 Page 60 LID Report Earlington - Water Quality 11/14/2017 17:46:07 Page 61 POC 6 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #6 Total Pervious Area:0 Total Impervious Area:0.09 Mitigated Landuse Totals for POC #6 Total Pervious Area:0 Total Impervious Area:0.09 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #6 Return Period Flow(cfs) 2 year 0.034314 5 year 0.043342 10 year 0.049477 25 year 0.057434 50 year 0.063524 100 year 0.069762 Flow Frequency Return Periods for Mitigated. POC #6 Return Period Flow(cfs) 2 year 0.034314 5 year 0.043342 10 year 0.049477 25 year 0.057434 50 year 0.063524 100 year 0.069762 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #6 Year Predeveloped Mitigated 1949 0.044 0.044 1950 0.048 0.048 1951 0.028 0.028 1952 0.025 0.025 1953 0.027 0.027 1954 0.028 0.028 1955 0.032 0.032 1956 0.031 0.031 1957 0.035 0.035 1958 0.028 0.028 1959 0.029 0.029 Earlington - Water Quality 11/14/2017 17:46:41 Page 62 1960 0.029 0.029 1961 0.030 0.030 1962 0.026 0.026 1963 0.029 0.029 1964 0.029 0.029 1965 0.036 0.036 1966 0.024 0.024 1967 0.042 0.042 1968 0.048 0.048 1969 0.033 0.033 1970 0.032 0.032 1971 0.038 0.038 1972 0.039 0.039 1973 0.024 0.024 1974 0.035 0.035 1975 0.040 0.040 1976 0.027 0.027 1977 0.029 0.029 1978 0.036 0.036 1979 0.049 0.049 1980 0.044 0.044 1981 0.036 0.036 1982 0.051 0.051 1983 0.041 0.041 1984 0.026 0.026 1985 0.036 0.036 1986 0.031 0.031 1987 0.048 0.048 1988 0.029 0.029 1989 0.036 0.036 1990 0.061 0.061 1991 0.049 0.049 1992 0.026 0.026 1993 0.022 0.022 1994 0.024 0.024 1995 0.032 0.032 1996 0.034 0.034 1997 0.033 0.033 1998 0.033 0.033 1999 0.068 0.068 2000 0.034 0.034 2001 0.037 0.037 2002 0.043 0.043 2003 0.034 0.034 2004 0.064 0.064 2005 0.029 0.029 2006 0.026 0.026 2007 0.060 0.060 2008 0.048 0.048 2009 0.044 0.044 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #6 Rank Predeveloped Mitigated 1 0.0681 0.0681 2 0.0638 0.0638 3 0.0611 0.0611 4 0.0596 0.0596 Earlington - Water Quality 11/14/2017 17:46:41 Page 63 5 0.0506 0.0506 6 0.0489 0.0489 7 0.0488 0.0488 8 0.0480 0.0480 9 0.0480 0.0480 10 0.0478 0.0478 11 0.0477 0.0477 12 0.0444 0.0444 13 0.0444 0.0444 14 0.0438 0.0438 15 0.0435 0.0435 16 0.0419 0.0419 17 0.0412 0.0412 18 0.0401 0.0401 19 0.0394 0.0394 20 0.0381 0.0381 21 0.0373 0.0373 22 0.0364 0.0364 23 0.0363 0.0363 24 0.0359 0.0359 25 0.0358 0.0358 26 0.0357 0.0357 27 0.0353 0.0353 28 0.0348 0.0348 29 0.0339 0.0339 30 0.0338 0.0338 31 0.0338 0.0338 32 0.0333 0.0333 33 0.0331 0.0331 34 0.0329 0.0329 35 0.0320 0.0320 36 0.0318 0.0318 37 0.0316 0.0316 38 0.0311 0.0311 39 0.0310 0.0310 40 0.0302 0.0302 41 0.0292 0.0292 42 0.0292 0.0292 43 0.0291 0.0291 44 0.0291 0.0291 45 0.0290 0.0290 46 0.0286 0.0286 47 0.0285 0.0285 48 0.0285 0.0285 49 0.0279 0.0279 50 0.0278 0.0278 51 0.0269 0.0269 52 0.0267 0.0267 53 0.0263 0.0263 54 0.0260 0.0260 55 0.0257 0.0257 56 0.0257 0.0257 57 0.0247 0.0247 58 0.0243 0.0243 59 0.0242 0.0242 60 0.0238 0.0238 61 0.0223 0.0223 Earlington - Water Quality 11/14/2017 17:46:41 Page 64 Earlington - Water Quality 11/14/2017 17:46:41 Page 65 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0172 1804 1804 100 Pass 0.0176 1637 1637 100 Pass 0.0181 1474 1474 100 Pass 0.0186 1343 1343 100 Pass 0.0190 1226 1226 100 Pass 0.0195 1104 1104 100 Pass 0.0200 1003 1003 100 Pass 0.0204 920 920 100 Pass 0.0209 853 853 100 Pass 0.0214 789 789 100 Pass 0.0218 725 725 100 Pass 0.0223 665 665 100 Pass 0.0228 610 610 100 Pass 0.0232 571 571 100 Pass 0.0237 532 532 100 Pass 0.0242 488 488 100 Pass 0.0247 450 450 100 Pass 0.0251 420 420 100 Pass 0.0256 389 389 100 Pass 0.0261 364 364 100 Pass 0.0265 338 338 100 Pass 0.0270 316 316 100 Pass 0.0275 295 295 100 Pass 0.0279 272 272 100 Pass 0.0284 256 256 100 Pass 0.0289 238 238 100 Pass 0.0293 221 221 100 Pass 0.0298 206 206 100 Pass 0.0303 193 193 100 Pass 0.0307 181 181 100 Pass 0.0312 171 171 100 Pass 0.0317 161 161 100 Pass 0.0321 148 148 100 Pass 0.0326 139 139 100 Pass 0.0331 135 135 100 Pass 0.0335 122 122 100 Pass 0.0340 113 113 100 Pass 0.0345 108 108 100 Pass 0.0350 105 105 100 Pass 0.0354 100 100 100 Pass 0.0359 92 92 100 Pass 0.0364 87 87 100 Pass 0.0368 84 84 100 Pass 0.0373 73 73 100 Pass 0.0378 71 71 100 Pass 0.0382 65 65 100 Pass 0.0387 63 63 100 Pass 0.0392 62 62 100 Pass 0.0396 58 58 100 Pass 0.0401 54 54 100 Pass 0.0406 54 54 100 Pass 0.0410 52 52 100 Pass 0.0415 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:46:42 Page 66 0.0420 46 46 100 Pass 0.0424 45 45 100 Pass 0.0429 40 40 100 Pass 0.0434 38 38 100 Pass 0.0439 33 33 100 Pass 0.0443 32 32 100 Pass 0.0448 29 29 100 Pass 0.0453 28 28 100 Pass 0.0457 25 25 100 Pass 0.0462 22 22 100 Pass 0.0467 21 21 100 Pass 0.0471 20 20 100 Pass 0.0476 17 17 100 Pass 0.0481 13 13 100 Pass 0.0485 12 12 100 Pass 0.0490 9 9 100 Pass 0.0495 9 9 100 Pass 0.0499 9 9 100 Pass 0.0504 9 9 100 Pass 0.0509 8 8 100 Pass 0.0513 8 8 100 Pass 0.0518 8 8 100 Pass 0.0523 8 8 100 Pass 0.0528 8 8 100 Pass 0.0532 8 8 100 Pass 0.0537 8 8 100 Pass 0.0542 7 7 100 Pass 0.0546 7 7 100 Pass 0.0551 7 7 100 Pass 0.0556 7 7 100 Pass 0.0560 7 7 100 Pass 0.0565 7 7 100 Pass 0.0570 6 6 100 Pass 0.0574 6 6 100 Pass 0.0579 6 6 100 Pass 0.0584 6 6 100 Pass 0.0588 6 6 100 Pass 0.0593 6 6 100 Pass 0.0598 5 5 100 Pass 0.0602 5 5 100 Pass 0.0607 4 4 100 Pass 0.0612 3 3 100 Pass 0.0617 3 3 100 Pass 0.0621 2 2 100 Pass 0.0626 2 2 100 Pass 0.0631 2 2 100 Pass 0.0635 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:46:42 Page 67 Water Quality Water Quality BMP Flow and Volume for POC #6 On-line facility volume:0.011 acre-feet On-line facility target flow:0.0146 cfs. Adjusted for 15 min:0.0146 cfs. Off-line facility target flow:0.0082 cfs. Adjusted for 15 min:0.0082 cfs. Earlington - Water Quality 11/14/2017 17:46:42 Page 68 LID Report Earlington - Water Quality 11/14/2017 17:46:42 Page 69 POC 7 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #7 Total Pervious Area:0 Total Impervious Area:0.09 Mitigated Landuse Totals for POC #7 Total Pervious Area:0 Total Impervious Area:0.09 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #7 Return Period Flow(cfs) 2 year 0.034314 5 year 0.043342 10 year 0.049477 25 year 0.057434 50 year 0.063524 100 year 0.069762 Flow Frequency Return Periods for Mitigated. POC #7 Return Period Flow(cfs) 2 year 0.034314 5 year 0.043342 10 year 0.049477 25 year 0.057434 50 year 0.063524 100 year 0.069762 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #7 Year Predeveloped Mitigated 1949 0.044 0.044 1950 0.048 0.048 1951 0.028 0.028 1952 0.025 0.025 1953 0.027 0.027 1954 0.028 0.028 1955 0.032 0.032 1956 0.031 0.031 1957 0.035 0.035 1958 0.028 0.028 1959 0.029 0.029 Earlington - Water Quality 11/14/2017 17:47:16 Page 70 1960 0.029 0.029 1961 0.030 0.030 1962 0.026 0.026 1963 0.029 0.029 1964 0.029 0.029 1965 0.036 0.036 1966 0.024 0.024 1967 0.042 0.042 1968 0.048 0.048 1969 0.033 0.033 1970 0.032 0.032 1971 0.038 0.038 1972 0.039 0.039 1973 0.024 0.024 1974 0.035 0.035 1975 0.040 0.040 1976 0.027 0.027 1977 0.029 0.029 1978 0.036 0.036 1979 0.049 0.049 1980 0.044 0.044 1981 0.036 0.036 1982 0.051 0.051 1983 0.041 0.041 1984 0.026 0.026 1985 0.036 0.036 1986 0.031 0.031 1987 0.048 0.048 1988 0.029 0.029 1989 0.036 0.036 1990 0.061 0.061 1991 0.049 0.049 1992 0.026 0.026 1993 0.022 0.022 1994 0.024 0.024 1995 0.032 0.032 1996 0.034 0.034 1997 0.033 0.033 1998 0.033 0.033 1999 0.068 0.068 2000 0.034 0.034 2001 0.037 0.037 2002 0.043 0.043 2003 0.034 0.034 2004 0.064 0.064 2005 0.029 0.029 2006 0.026 0.026 2007 0.060 0.060 2008 0.048 0.048 2009 0.044 0.044 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #7 Rank Predeveloped Mitigated 1 0.0681 0.0681 2 0.0638 0.0638 3 0.0611 0.0611 4 0.0596 0.0596 Earlington - Water Quality 11/14/2017 17:47:16 Page 71 5 0.0506 0.0506 6 0.0489 0.0489 7 0.0488 0.0488 8 0.0480 0.0480 9 0.0480 0.0480 10 0.0478 0.0478 11 0.0477 0.0477 12 0.0444 0.0444 13 0.0444 0.0444 14 0.0438 0.0438 15 0.0435 0.0435 16 0.0419 0.0419 17 0.0412 0.0412 18 0.0401 0.0401 19 0.0394 0.0394 20 0.0381 0.0381 21 0.0373 0.0373 22 0.0364 0.0364 23 0.0363 0.0363 24 0.0359 0.0359 25 0.0358 0.0358 26 0.0357 0.0357 27 0.0353 0.0353 28 0.0348 0.0348 29 0.0339 0.0339 30 0.0338 0.0338 31 0.0338 0.0338 32 0.0333 0.0333 33 0.0331 0.0331 34 0.0329 0.0329 35 0.0320 0.0320 36 0.0318 0.0318 37 0.0316 0.0316 38 0.0311 0.0311 39 0.0310 0.0310 40 0.0302 0.0302 41 0.0292 0.0292 42 0.0292 0.0292 43 0.0291 0.0291 44 0.0291 0.0291 45 0.0290 0.0290 46 0.0286 0.0286 47 0.0285 0.0285 48 0.0285 0.0285 49 0.0279 0.0279 50 0.0278 0.0278 51 0.0269 0.0269 52 0.0267 0.0267 53 0.0263 0.0263 54 0.0260 0.0260 55 0.0257 0.0257 56 0.0257 0.0257 57 0.0247 0.0247 58 0.0243 0.0243 59 0.0242 0.0242 60 0.0238 0.0238 61 0.0223 0.0223 Earlington - Water Quality 11/14/2017 17:47:16 Page 72 Earlington - Water Quality 11/14/2017 17:47:16 Page 73 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0172 1804 1804 100 Pass 0.0176 1637 1637 100 Pass 0.0181 1474 1474 100 Pass 0.0186 1343 1343 100 Pass 0.0190 1226 1226 100 Pass 0.0195 1104 1104 100 Pass 0.0200 1003 1003 100 Pass 0.0204 920 920 100 Pass 0.0209 853 853 100 Pass 0.0214 789 789 100 Pass 0.0218 725 725 100 Pass 0.0223 665 665 100 Pass 0.0228 610 610 100 Pass 0.0232 571 571 100 Pass 0.0237 532 532 100 Pass 0.0242 488 488 100 Pass 0.0247 450 450 100 Pass 0.0251 420 420 100 Pass 0.0256 389 389 100 Pass 0.0261 364 364 100 Pass 0.0265 338 338 100 Pass 0.0270 316 316 100 Pass 0.0275 295 295 100 Pass 0.0279 272 272 100 Pass 0.0284 256 256 100 Pass 0.0289 238 238 100 Pass 0.0293 221 221 100 Pass 0.0298 206 206 100 Pass 0.0303 193 193 100 Pass 0.0307 181 181 100 Pass 0.0312 171 171 100 Pass 0.0317 161 161 100 Pass 0.0321 148 148 100 Pass 0.0326 139 139 100 Pass 0.0331 135 135 100 Pass 0.0335 122 122 100 Pass 0.0340 113 113 100 Pass 0.0345 108 108 100 Pass 0.0350 105 105 100 Pass 0.0354 100 100 100 Pass 0.0359 92 92 100 Pass 0.0364 87 87 100 Pass 0.0368 84 84 100 Pass 0.0373 73 73 100 Pass 0.0378 71 71 100 Pass 0.0382 65 65 100 Pass 0.0387 63 63 100 Pass 0.0392 62 62 100 Pass 0.0396 58 58 100 Pass 0.0401 54 54 100 Pass 0.0406 54 54 100 Pass 0.0410 52 52 100 Pass 0.0415 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:47:16 Page 74 0.0420 46 46 100 Pass 0.0424 45 45 100 Pass 0.0429 40 40 100 Pass 0.0434 38 38 100 Pass 0.0439 33 33 100 Pass 0.0443 32 32 100 Pass 0.0448 29 29 100 Pass 0.0453 28 28 100 Pass 0.0457 25 25 100 Pass 0.0462 22 22 100 Pass 0.0467 21 21 100 Pass 0.0471 20 20 100 Pass 0.0476 17 17 100 Pass 0.0481 13 13 100 Pass 0.0485 12 12 100 Pass 0.0490 9 9 100 Pass 0.0495 9 9 100 Pass 0.0499 9 9 100 Pass 0.0504 9 9 100 Pass 0.0509 8 8 100 Pass 0.0513 8 8 100 Pass 0.0518 8 8 100 Pass 0.0523 8 8 100 Pass 0.0528 8 8 100 Pass 0.0532 8 8 100 Pass 0.0537 8 8 100 Pass 0.0542 7 7 100 Pass 0.0546 7 7 100 Pass 0.0551 7 7 100 Pass 0.0556 7 7 100 Pass 0.0560 7 7 100 Pass 0.0565 7 7 100 Pass 0.0570 6 6 100 Pass 0.0574 6 6 100 Pass 0.0579 6 6 100 Pass 0.0584 6 6 100 Pass 0.0588 6 6 100 Pass 0.0593 6 6 100 Pass 0.0598 5 5 100 Pass 0.0602 5 5 100 Pass 0.0607 4 4 100 Pass 0.0612 3 3 100 Pass 0.0617 3 3 100 Pass 0.0621 2 2 100 Pass 0.0626 2 2 100 Pass 0.0631 2 2 100 Pass 0.0635 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:47:16 Page 75 Water Quality Water Quality BMP Flow and Volume for POC #7 On-line facility volume:0.011 acre-feet On-line facility target flow:0.0146 cfs. Adjusted for 15 min:0.0146 cfs. Off-line facility target flow:0.0082 cfs. Adjusted for 15 min:0.0082 cfs. Earlington - Water Quality 11/14/2017 17:47:16 Page 76 LID Report Earlington - Water Quality 11/14/2017 17:47:16 Page 77 POC 8 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #8 Total Pervious Area:0 Total Impervious Area:0.07 Mitigated Landuse Totals for POC #8 Total Pervious Area:0 Total Impervious Area:0.07 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #8 Return Period Flow(cfs) 2 year 0.026689 5 year 0.033711 10 year 0.038482 25 year 0.044671 50 year 0.049407 100 year 0.054259 Flow Frequency Return Periods for Mitigated. POC #8 Return Period Flow(cfs) 2 year 0.026689 5 year 0.033711 10 year 0.038482 25 year 0.044671 50 year 0.049407 100 year 0.054259 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #8 Year Predeveloped Mitigated 1949 0.035 0.035 1950 0.037 0.037 1951 0.022 0.022 1952 0.019 0.019 1953 0.021 0.021 1954 0.022 0.022 1955 0.025 0.025 1956 0.024 0.024 1957 0.027 0.027 1958 0.022 0.022 1959 0.023 0.023 Earlington - Water Quality 11/14/2017 17:47:51 Page 78 1960 0.022 0.022 1961 0.023 0.023 1962 0.020 0.020 1963 0.023 0.023 1964 0.022 0.022 1965 0.028 0.028 1966 0.019 0.019 1967 0.033 0.033 1968 0.037 0.037 1969 0.026 0.026 1970 0.025 0.025 1971 0.030 0.030 1972 0.031 0.031 1973 0.019 0.019 1974 0.027 0.027 1975 0.031 0.031 1976 0.021 0.021 1977 0.023 0.023 1978 0.028 0.028 1979 0.038 0.038 1980 0.034 0.034 1981 0.028 0.028 1982 0.039 0.039 1983 0.032 0.032 1984 0.020 0.020 1985 0.028 0.028 1986 0.024 0.024 1987 0.037 0.037 1988 0.023 0.023 1989 0.028 0.028 1990 0.048 0.048 1991 0.038 0.038 1992 0.020 0.020 1993 0.017 0.017 1994 0.019 0.019 1995 0.025 0.025 1996 0.026 0.026 1997 0.026 0.026 1998 0.026 0.026 1999 0.053 0.053 2000 0.026 0.026 2001 0.029 0.029 2002 0.034 0.034 2003 0.026 0.026 2004 0.050 0.050 2005 0.023 0.023 2006 0.020 0.020 2007 0.046 0.046 2008 0.037 0.037 2009 0.034 0.034 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #8 Rank Predeveloped Mitigated 1 0.0530 0.0530 2 0.0496 0.0496 3 0.0476 0.0476 4 0.0463 0.0463 Earlington - Water Quality 11/14/2017 17:47:51 Page 79 5 0.0393 0.0393 6 0.0380 0.0380 7 0.0380 0.0380 8 0.0374 0.0374 9 0.0373 0.0373 10 0.0372 0.0372 11 0.0371 0.0371 12 0.0346 0.0346 13 0.0345 0.0345 14 0.0341 0.0341 15 0.0338 0.0338 16 0.0326 0.0326 17 0.0320 0.0320 18 0.0312 0.0312 19 0.0306 0.0306 20 0.0297 0.0297 21 0.0290 0.0290 22 0.0283 0.0283 23 0.0282 0.0282 24 0.0279 0.0279 25 0.0278 0.0278 26 0.0278 0.0278 27 0.0275 0.0275 28 0.0271 0.0271 29 0.0264 0.0264 30 0.0263 0.0263 31 0.0263 0.0263 32 0.0259 0.0259 33 0.0258 0.0258 34 0.0256 0.0256 35 0.0249 0.0249 36 0.0247 0.0247 37 0.0246 0.0246 38 0.0242 0.0242 39 0.0241 0.0241 40 0.0235 0.0235 41 0.0227 0.0227 42 0.0227 0.0227 43 0.0227 0.0227 44 0.0226 0.0226 45 0.0226 0.0226 46 0.0223 0.0223 47 0.0222 0.0222 48 0.0222 0.0222 49 0.0217 0.0217 50 0.0216 0.0216 51 0.0210 0.0210 52 0.0207 0.0207 53 0.0204 0.0204 54 0.0202 0.0202 55 0.0200 0.0200 56 0.0200 0.0200 57 0.0192 0.0192 58 0.0189 0.0189 59 0.0188 0.0188 60 0.0185 0.0185 61 0.0173 0.0173 Earlington - Water Quality 11/14/2017 17:47:51 Page 80 Earlington - Water Quality 11/14/2017 17:47:51 Page 81 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0133 1804 1804 100 Pass 0.0137 1637 1637 100 Pass 0.0141 1474 1474 100 Pass 0.0144 1345 1345 100 Pass 0.0148 1226 1226 100 Pass 0.0152 1103 1103 100 Pass 0.0155 1002 1002 100 Pass 0.0159 920 920 100 Pass 0.0163 854 854 100 Pass 0.0166 790 790 100 Pass 0.0170 726 726 100 Pass 0.0174 665 665 100 Pass 0.0177 610 610 100 Pass 0.0181 572 572 100 Pass 0.0184 533 533 100 Pass 0.0188 489 489 100 Pass 0.0192 451 451 100 Pass 0.0195 420 420 100 Pass 0.0199 389 389 100 Pass 0.0203 364 364 100 Pass 0.0206 339 339 100 Pass 0.0210 316 316 100 Pass 0.0214 296 296 100 Pass 0.0217 271 271 100 Pass 0.0221 256 256 100 Pass 0.0225 238 238 100 Pass 0.0228 221 221 100 Pass 0.0232 208 208 100 Pass 0.0235 193 193 100 Pass 0.0239 181 181 100 Pass 0.0243 171 171 100 Pass 0.0246 161 161 100 Pass 0.0250 148 148 100 Pass 0.0254 139 139 100 Pass 0.0257 135 135 100 Pass 0.0261 122 122 100 Pass 0.0265 113 113 100 Pass 0.0268 107 107 100 Pass 0.0272 105 105 100 Pass 0.0276 100 100 100 Pass 0.0279 92 92 100 Pass 0.0283 87 87 100 Pass 0.0286 84 84 100 Pass 0.0290 73 73 100 Pass 0.0294 71 71 100 Pass 0.0297 66 66 100 Pass 0.0301 63 63 100 Pass 0.0305 62 62 100 Pass 0.0308 58 58 100 Pass 0.0312 54 54 100 Pass 0.0316 54 54 100 Pass 0.0319 52 52 100 Pass 0.0323 50 50 100 Pass Earlington - Water Quality 11/14/2017 17:47:51 Page 82 0.0327 46 46 100 Pass 0.0330 45 45 100 Pass 0.0334 40 40 100 Pass 0.0337 38 38 100 Pass 0.0341 33 33 100 Pass 0.0345 32 32 100 Pass 0.0348 29 29 100 Pass 0.0352 28 28 100 Pass 0.0356 25 25 100 Pass 0.0359 22 22 100 Pass 0.0363 21 21 100 Pass 0.0367 20 20 100 Pass 0.0370 17 17 100 Pass 0.0374 13 13 100 Pass 0.0378 12 12 100 Pass 0.0381 9 9 100 Pass 0.0385 9 9 100 Pass 0.0388 9 9 100 Pass 0.0392 9 9 100 Pass 0.0396 8 8 100 Pass 0.0399 8 8 100 Pass 0.0403 8 8 100 Pass 0.0407 8 8 100 Pass 0.0410 8 8 100 Pass 0.0414 8 8 100 Pass 0.0418 8 8 100 Pass 0.0421 7 7 100 Pass 0.0425 7 7 100 Pass 0.0429 7 7 100 Pass 0.0432 7 7 100 Pass 0.0436 7 7 100 Pass 0.0439 7 7 100 Pass 0.0443 6 6 100 Pass 0.0447 6 6 100 Pass 0.0450 6 6 100 Pass 0.0454 6 6 100 Pass 0.0458 6 6 100 Pass 0.0461 6 6 100 Pass 0.0465 5 5 100 Pass 0.0469 5 5 100 Pass 0.0472 4 4 100 Pass 0.0476 3 3 100 Pass 0.0479 3 3 100 Pass 0.0483 2 2 100 Pass 0.0487 2 2 100 Pass 0.0490 2 2 100 Pass 0.0494 2 2 100 Pass Earlington - Water Quality 11/14/2017 17:47:51 Page 83 Water Quality Water Quality BMP Flow and Volume for POC #8 On-line facility volume:0.0086 acre-feet On-line facility target flow:0.0113 cfs. Adjusted for 15 min:0.0113 cfs. Off-line facility target flow:0.0064 cfs. Adjusted for 15 min:0.0064 cfs. Earlington - Water Quality 11/14/2017 17:47:51 Page 84 LID Report Earlington - Water Quality 11/14/2017 17:47:51 Page 85 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. Earlington - Water Quality 11/14/2017 17:47:51 Page 86 Appendix Predeveloped Schematic Earlington - Water Quality 11/14/2017 17:47:51 Page 87 Mitigated Schematic Earlington - Water Quality 11/14/2017 17:47:51 Page 88 Predeveloped 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 Earlington - Water Quality.wdm MESSU 25 PreEarlington - Water Quality.MES 27 PreEarlington - Water Quality.L61 28 PreEarlington - Water Quality.L62 30 POCEarlington - Water Quality1.dat 31 POCEarlington - Water Quality2.dat 32 POCEarlington - Water Quality3.dat 33 POCEarlington - Water Quality4.dat 34 POCEarlington - Water Quality5.dat 35 POCEarlington - Water Quality6.dat 36 POCEarlington - Water Quality7.dat 37 POCEarlington - Water Quality8.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 IMPLND 1 COPY 501 COPY 502 COPY 503 COPY 504 COPY 505 COPY 506 COPY 507 COPY 508 DISPLY 1 DISPLY 2 DISPLY 3 DISPLY 4 DISPLY 5 DISPLY 6 DISPLY 7 DISPLY 8 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 StormFilter #1 MAX 1 2 30 9 2 StormFilter #2 MAX 1 2 31 9 3 StormFilter #3 MAX 1 2 32 9 4 StormFilter #4 MAX 1 2 33 9 5 StormFilter #5 MAX 1 2 34 9 6 StormFilter #6 MAX 1 2 35 9 7 StormFilter #7 MAX 1 2 36 9 8 StormFilter #8 MAX 1 2 37 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 502 1 1 503 1 1 504 1 1 Earlington - Water Quality 11/14/2017 17:47:51 Page 89 505 1 1 506 1 1 507 1 1 508 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 *** END GEN-INFO *** Section PWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* END PRINT-INFO PWAT-PARM1 <PLS > PWATER variable monthly parameter value flags *** # - # CSNO RTOP UZFG VCS VUZ VNN VIFW VIRC VLE INFC HWT *** END PWAT-PARM1 PWAT-PARM2 <PLS > PWATER input info: Part 2 *** # - # ***FOREST LZSN INFILT LSUR SLSUR KVARY AGWRC END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 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 END PWAT-STATE1 END PERLND IMPLND GEN-INFO <PLS ><-------Name-------> Unit-systems Printer *** # - # User t-series Engl Metr *** in out *** 1 ROADS/FLAT 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** Earlington - Water Quality 11/14/2017 17:47:51 Page 90 # - # ATMP SNOW IWAT SLD IWG IQAL *** 1 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 1 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 *** 1 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 1 400 0.01 0.1 0.1 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 1 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 1 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** StormFilter #1*** IMPLND 1 0.09 COPY 501 15 StormFilter #2*** IMPLND 1 0.1 COPY 502 15 StormFilter #3*** IMPLND 1 0.06 COPY 503 15 StormFilter #4*** IMPLND 1 0.2 COPY 504 15 StormFilter #5*** IMPLND 1 0.1 COPY 505 15 StormFilter #6*** IMPLND 1 0.09 COPY 506 15 StormFilter #7*** IMPLND 1 0.09 COPY 507 15 StormFilter #8*** IMPLND 1 0.07 COPY 508 15 ******Routing****** 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 COPY 502 OUTPUT MEAN 1 1 48.4 DISPLY 2 INPUT TIMSER 1 COPY 503 OUTPUT MEAN 1 1 48.4 DISPLY 3 INPUT TIMSER 1 COPY 504 OUTPUT MEAN 1 1 48.4 DISPLY 4 INPUT TIMSER 1 COPY 505 OUTPUT MEAN 1 1 48.4 DISPLY 5 INPUT TIMSER 1 COPY 506 OUTPUT MEAN 1 1 48.4 DISPLY 6 INPUT TIMSER 1 COPY 507 OUTPUT MEAN 1 1 48.4 DISPLY 7 INPUT TIMSER 1 COPY 508 OUTPUT MEAN 1 1 48.4 DISPLY 8 INPUT TIMSER 1 Earlington - Water Quality 11/14/2017 17:47:51 Page 91 <-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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** COPY 501 OUTPUT MEAN 1 1 48.4 WDM 501 FLOW ENGL REPL COPY 502 OUTPUT MEAN 1 1 48.4 WDM 502 FLOW ENGL REPL COPY 503 OUTPUT MEAN 1 1 48.4 WDM 503 FLOW ENGL REPL COPY 504 OUTPUT MEAN 1 1 48.4 WDM 504 FLOW ENGL REPL COPY 505 OUTPUT MEAN 1 1 48.4 WDM 505 FLOW ENGL REPL COPY 506 OUTPUT MEAN 1 1 48.4 WDM 506 FLOW ENGL REPL COPY 507 OUTPUT MEAN 1 1 48.4 WDM 507 FLOW ENGL REPL COPY 508 OUTPUT MEAN 1 1 48.4 WDM 508 FLOW ENGL REPL Earlington - Water Quality 11/14/2017 17:47:51 Page 92 END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** MASS-LINK 15 IMPLND IWATER SURO 0.083333 COPY INPUT MEAN END MASS-LINK 15 END MASS-LINK END RUN Earlington - Water Quality 11/14/2017 17:47:51 Page 93 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 Earlington - Water Quality.wdm MESSU 25 MitEarlington - Water Quality.MES 27 MitEarlington - Water Quality.L61 28 MitEarlington - Water Quality.L62 30 POCEarlington - Water Quality1.dat 31 POCEarlington - Water Quality2.dat 32 POCEarlington - Water Quality3.dat 33 POCEarlington - Water Quality4.dat 34 POCEarlington - Water Quality5.dat 35 POCEarlington - Water Quality6.dat 36 POCEarlington - Water Quality7.dat 37 POCEarlington - Water Quality8.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 IMPLND 1 COPY 501 COPY 502 COPY 503 COPY 504 COPY 505 COPY 506 COPY 507 COPY 508 DISPLY 1 DISPLY 2 DISPLY 3 DISPLY 4 DISPLY 5 DISPLY 6 DISPLY 7 DISPLY 8 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 StormFilter #1 MAX 1 2 30 9 2 StormFilter #2 MAX 1 2 31 9 3 StormFilter #3 MAX 1 2 32 9 4 StormFilter #4 MAX 1 2 33 9 5 StormFilter #5 MAX 1 2 34 9 6 StormFilter #6 MAX 1 2 35 9 7 StormFilter #7 MAX 1 2 36 9 8 StormFilter #8 MAX 1 2 37 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 502 1 1 503 1 1 504 1 1 Earlington - Water Quality 11/14/2017 17:47:51 Page 94 505 1 1 506 1 1 507 1 1 508 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 *** END GEN-INFO *** Section PWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* END PRINT-INFO PWAT-PARM1 <PLS > PWATER variable monthly parameter value flags *** # - # CSNO RTOP UZFG VCS VUZ VNN VIFW VIRC VLE INFC HWT *** END PWAT-PARM1 PWAT-PARM2 <PLS > PWATER input info: Part 2 *** # - # ***FOREST LZSN INFILT LSUR SLSUR KVARY AGWRC END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 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 END PWAT-STATE1 END PERLND IMPLND GEN-INFO <PLS ><-------Name-------> Unit-systems Printer *** # - # User t-series Engl Metr *** in out *** 1 ROADS/FLAT 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** Earlington - Water Quality 11/14/2017 17:47:51 Page 95 # - # ATMP SNOW IWAT SLD IWG IQAL *** 1 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 1 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 *** 1 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 1 400 0.01 0.1 0.1 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 1 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 1 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** StormFilter #1*** IMPLND 1 0.09 COPY 501 15 StormFilter #2*** IMPLND 1 0.1 COPY 502 15 StormFilter #3*** IMPLND 1 0.06 COPY 503 15 StormFilter #4*** IMPLND 1 0.2 COPY 504 15 StormFilter #5*** IMPLND 1 0.1 COPY 505 15 StormFilter #6*** IMPLND 1 0.09 COPY 506 15 StormFilter #7*** IMPLND 1 0.09 COPY 507 15 StormFilter #8*** IMPLND 1 0.07 COPY 508 15 ******Routing****** 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 COPY 502 OUTPUT MEAN 1 1 48.4 DISPLY 2 INPUT TIMSER 1 COPY 503 OUTPUT MEAN 1 1 48.4 DISPLY 3 INPUT TIMSER 1 COPY 504 OUTPUT MEAN 1 1 48.4 DISPLY 4 INPUT TIMSER 1 COPY 505 OUTPUT MEAN 1 1 48.4 DISPLY 5 INPUT TIMSER 1 COPY 506 OUTPUT MEAN 1 1 48.4 DISPLY 6 INPUT TIMSER 1 COPY 507 OUTPUT MEAN 1 1 48.4 DISPLY 7 INPUT TIMSER 1 COPY 508 OUTPUT MEAN 1 1 48.4 DISPLY 8 INPUT TIMSER 1 Earlington - Water Quality 11/14/2017 17:47:51 Page 96 <-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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** 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 COPY 2 OUTPUT MEAN 1 1 48.4 WDM 702 FLOW ENGL REPL COPY 502 OUTPUT MEAN 1 1 48.4 WDM 802 FLOW ENGL REPL COPY 3 OUTPUT MEAN 1 1 48.4 WDM 703 FLOW ENGL REPL COPY 503 OUTPUT MEAN 1 1 48.4 WDM 803 FLOW ENGL REPL COPY 4 OUTPUT MEAN 1 1 48.4 WDM 704 FLOW ENGL REPL COPY 504 OUTPUT MEAN 1 1 48.4 WDM 804 FLOW ENGL REPL Earlington - Water Quality 11/14/2017 17:47:51 Page 97 COPY 5 OUTPUT MEAN 1 1 48.4 WDM 705 FLOW ENGL REPL COPY 505 OUTPUT MEAN 1 1 48.4 WDM 805 FLOW ENGL REPL COPY 6 OUTPUT MEAN 1 1 48.4 WDM 706 FLOW ENGL REPL COPY 506 OUTPUT MEAN 1 1 48.4 WDM 806 FLOW ENGL REPL COPY 7 OUTPUT MEAN 1 1 48.4 WDM 707 FLOW ENGL REPL COPY 507 OUTPUT MEAN 1 1 48.4 WDM 807 FLOW ENGL REPL COPY 8 OUTPUT MEAN 1 1 48.4 WDM 708 FLOW ENGL REPL COPY 508 OUTPUT MEAN 1 1 48.4 WDM 808 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** MASS-LINK 15 IMPLND IWATER SURO 0.083333 COPY INPUT MEAN END MASS-LINK 15 END MASS-LINK END RUN Earlington - Water Quality 11/14/2017 17:47:51 Page 98 Predeveloped HSPF Message File Earlington - Water Quality 11/14/2017 17:47:51 Page 99 Mitigated HSPF Message File Earlington - Water Quality 11/14/2017 17:47:51 Page 100 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. 2005-2017; 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 WWHM2012 PROJECT REPORT Conveyance Flow Rates Earlington - Conveyance 11/14/2017 17:00:49 Page 2 General Model Information Project Name:Earlington - Conveyance Site Name:Earlington - Conveyance Flows Site Address: City: Report Date:11/14/2017 Gage:Seatac Data Start:1948/10/01 Data End:2009/09/30 Timestep:15 Minute Precip Scale:0.000 (adjusted) Version Date:2017/04/14 Version:4.2.13 POC Thresholds Low Flow Threshold for POC1:50 Percent of the 2 Year High Flow Threshold for POC1:50 Year Low Flow Threshold for POC2:50 Percent of the 2 Year High Flow Threshold for POC2:50 Year Low Flow Threshold for POC5:50 Percent of the 2 Year High Flow Threshold for POC5:50 Year Low Flow Threshold for POC6:50 Percent of the 2 Year High Flow Threshold for POC6:50 Year Low Flow Threshold for POC8:50 Percent of the 2 Year High Flow Threshold for POC8:50 Year Low Flow Threshold for POC10:50 Percent of the 2 Year High Flow Threshold for POC10:50 Year Low Flow Threshold for POC11:50 Percent of the 2 Year High Flow Threshold for POC11:50 Year Low Flow Threshold for POC13:50 Percent of the 2 Year High Flow Threshold for POC13:50 Year Low Flow Threshold for POC14:50 Percent of the 2 Year High Flow Threshold for POC14:50 Year This is 1.000 in the .whm file Earlington - Conveyance 11/14/2017 17:00:49 Page 3 Low Flow Threshold for POC15:50 Percent of the 2 Year High Flow Threshold for POC15:50 Year Low Flow Threshold for POC19:50 Percent of the 2 Year High Flow Threshold for POC19:50 Year Low Flow Threshold for POC30:50 Percent of the 2 Year High Flow Threshold for POC30:50 Year Earlington - Conveyance 11/14/2017 17:00:49 Page 4 Landuse Basin Data Predeveloped Land Use CB 1 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS MOD 0.12 Impervious Total 0.12 Basin Total 0.12 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 5 CB 2 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.27 Pervious Total 0.27 Impervious Land Use acre ROADS MOD 0.3 Impervious Total 0.3 Basin Total 0.57 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 6 CB 5 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.14 Pervious Total 0.14 Impervious Land Use acre ROADS MOD 0.38 Impervious Total 0.38 Basin Total 0.52 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 7 CB 6 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.04 Pervious Total 0.04 Impervious Land Use acre ROADS MOD 0.14 Impervious Total 0.14 Basin Total 0.18 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 8 CB 10 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.17 Pervious Total 0.17 Impervious Land Use acre ROADS MOD 0.35 Impervious Total 0.35 Basin Total 0.52 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 9 CB 11 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.12 Pervious Total 0.12 Impervious Land Use acre ROADS MOD 0.37 Impervious Total 0.37 Basin Total 0.49 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 10 CB 8 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS MOD 0.25 Impervious Total 0.25 Basin Total 0.25 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 11 CB 13 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.3 Pervious Total 0.3 Impervious Land Use acre ROADS MOD 0.4 Impervious Total 0.4 Basin Total 0.7 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 12 CB 14 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.15 Pervious Total 0.15 Impervious Land Use acre ROADS MOD 0.22 Impervious Total 0.22 Basin Total 0.37 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 13 CB 15 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.13 Pervious Total 0.13 Impervious Land Use acre ROADS MOD 0.17 Impervious Total 0.17 Basin Total 0.3 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 14 CB 19 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.32 Pervious Total 0.32 Impervious Land Use acre ROADS MOD 0.19 Impervious Total 0.19 Basin Total 0.51 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 15 EX CB 100 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 2.15 Pervious Total 2.15 Impervious Land Use acre ROADS MOD 0.34 Impervious Total 0.34 Basin Total 2.49 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 16 Mitigated Land Use CB 1 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS MOD 0.12 Impervious Total 0.12 Basin Total 0.12 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 17 CB 2 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.27 Pervious Total 0.27 Impervious Land Use acre ROADS MOD 0.3 Impervious Total 0.3 Basin Total 0.57 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 18 CB 5 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.14 Pervious Total 0.14 Impervious Land Use acre ROADS MOD 0.38 Impervious Total 0.38 Basin Total 0.52 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 19 CB 6 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.04 Pervious Total 0.04 Impervious Land Use acre ROADS MOD 0.14 Impervious Total 0.14 Basin Total 0.18 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 20 CB 10 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.17 Pervious Total 0.17 Impervious Land Use acre ROADS MOD 0.35 Impervious Total 0.35 Basin Total 0.52 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 21 CB 11 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.12 Pervious Total 0.12 Impervious Land Use acre ROADS MOD 0.37 Impervious Total 0.37 Basin Total 0.49 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 22 CB 8 Bypass:No GroundWater:No Pervious Land Use acre Pervious Total 0 Impervious Land Use acre ROADS MOD 0.25 Impervious Total 0.25 Basin Total 0.25 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 23 CB 13 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.3 Pervious Total 0.3 Impervious Land Use acre ROADS MOD 0.4 Impervious Total 0.4 Basin Total 0.7 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 24 CB 14 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.15 Pervious Total 0.15 Impervious Land Use acre ROADS MOD 0.22 Impervious Total 0.22 Basin Total 0.37 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 25 CB 15 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.13 Pervious Total 0.13 Impervious Land Use acre ROADS MOD 0.17 Impervious Total 0.17 Basin Total 0.3 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 26 CB 19 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.32 Pervious Total 0.32 Impervious Land Use acre ROADS MOD 0.19 Impervious Total 0.19 Basin Total 0.51 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 27 EX CB 100 Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 2.15 Pervious Total 2.15 Impervious Land Use acre ROADS MOD 0.34 Impervious Total 0.34 Basin Total 2.49 Element Flows To: Surface Interflow Groundwater Earlington - Conveyance 11/14/2017 17:00:49 Page 28 Routing Elements Predeveloped Routing Earlington - Conveyance 11/14/2017 17:00:49 Page 29 Mitigated Routing Earlington - Conveyance 11/14/2017 17:00:49 Page 30 Analysis Results POC 1 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #1 Total Pervious Area:0 Total Impervious Area:0.12 Mitigated Landuse Totals for POC #1 Total Pervious Area:0 Total Impervious Area:0.12 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.053278 5 year 0.067648 10 year 0.077449 25 year 0.090204 50 year 0.099993 100 year 0.110041 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0.053278 5 year 0.067648 10 year 0.077449 25 year 0.090204 50 year 0.099993 100 year 0.110041 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 0.067 0.067 1950 0.070 0.070 1951 0.040 0.040 1952 0.035 0.035 1953 0.042 0.042 1954 0.043 0.043 1955 0.051 0.051 1956 0.048 0.048 1957 0.050 0.050 1958 0.043 0.043 Earlington - Conveyance 11/14/2017 17:01:20 Page 31 1959 0.048 0.048 1960 0.046 0.046 1961 0.044 0.044 1962 0.038 0.038 1963 0.046 0.046 1964 0.046 0.046 1965 0.052 0.052 1966 0.038 0.038 1967 0.061 0.061 1968 0.082 0.082 1969 0.048 0.048 1970 0.049 0.049 1971 0.059 0.059 1972 0.059 0.059 1973 0.039 0.039 1974 0.055 0.055 1975 0.059 0.059 1976 0.044 0.044 1977 0.044 0.044 1978 0.065 0.065 1979 0.079 0.079 1980 0.081 0.081 1981 0.051 0.051 1982 0.073 0.073 1983 0.061 0.061 1984 0.039 0.039 1985 0.050 0.050 1986 0.044 0.044 1987 0.069 0.069 1988 0.046 0.046 1989 0.072 0.072 1990 0.084 0.084 1991 0.075 0.075 1992 0.039 0.039 1993 0.050 0.050 1994 0.043 0.043 1995 0.046 0.046 1996 0.059 0.059 1997 0.047 0.047 1998 0.050 0.050 1999 0.106 0.106 2000 0.049 0.049 2001 0.061 0.061 2002 0.063 0.063 2003 0.063 0.063 2004 0.103 0.103 2005 0.041 0.041 2006 0.038 0.038 2007 0.097 0.097 2008 0.069 0.069 2009 0.076 0.076 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 0.1065 0.1065 2 0.1035 0.1035 3 0.0974 0.0974 Earlington - Conveyance 11/14/2017 17:01:20 Page 32 4 0.0844 0.0844 5 0.0819 0.0819 6 0.0814 0.0814 7 0.0787 0.0787 8 0.0756 0.0756 9 0.0748 0.0748 10 0.0730 0.0730 11 0.0720 0.0720 12 0.0703 0.0703 13 0.0690 0.0690 14 0.0687 0.0687 15 0.0674 0.0674 16 0.0653 0.0653 17 0.0632 0.0632 18 0.0628 0.0628 19 0.0615 0.0615 20 0.0613 0.0613 21 0.0606 0.0606 22 0.0595 0.0595 23 0.0590 0.0590 24 0.0590 0.0590 25 0.0586 0.0586 26 0.0550 0.0550 27 0.0522 0.0522 28 0.0510 0.0510 29 0.0510 0.0510 30 0.0502 0.0502 31 0.0499 0.0499 32 0.0498 0.0498 33 0.0497 0.0497 34 0.0491 0.0491 35 0.0485 0.0485 36 0.0483 0.0483 37 0.0481 0.0481 38 0.0480 0.0480 39 0.0466 0.0466 40 0.0463 0.0463 41 0.0461 0.0461 42 0.0460 0.0460 43 0.0459 0.0459 44 0.0457 0.0457 45 0.0444 0.0444 46 0.0442 0.0442 47 0.0442 0.0442 48 0.0438 0.0438 49 0.0434 0.0434 50 0.0434 0.0434 51 0.0427 0.0427 52 0.0417 0.0417 53 0.0405 0.0405 54 0.0401 0.0401 55 0.0393 0.0393 56 0.0391 0.0391 57 0.0386 0.0386 58 0.0383 0.0383 59 0.0378 0.0378 60 0.0376 0.0376 61 0.0348 0.0348 Earlington - Conveyance 11/14/2017 17:01:20 Page 33 Earlington - Conveyance 11/14/2017 17:01:20 Page 34 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0266 1401 1401 100 Pass 0.0274 1284 1284 100 Pass 0.0281 1166 1166 100 Pass 0.0289 1064 1064 100 Pass 0.0296 980 980 100 Pass 0.0303 901 901 100 Pass 0.0311 819 819 100 Pass 0.0318 739 739 100 Pass 0.0326 671 671 100 Pass 0.0333 610 610 100 Pass 0.0340 552 552 100 Pass 0.0348 510 510 100 Pass 0.0355 469 469 100 Pass 0.0363 435 435 100 Pass 0.0370 412 412 100 Pass 0.0378 373 373 100 Pass 0.0385 345 345 100 Pass 0.0392 326 326 100 Pass 0.0400 304 304 100 Pass 0.0407 279 279 100 Pass 0.0415 262 262 100 Pass 0.0422 246 246 100 Pass 0.0429 234 234 100 Pass 0.0437 221 221 100 Pass 0.0444 202 202 100 Pass 0.0452 191 191 100 Pass 0.0459 176 176 100 Pass 0.0466 168 168 100 Pass 0.0474 160 160 100 Pass 0.0481 151 151 100 Pass 0.0489 141 141 100 Pass 0.0496 132 132 100 Pass 0.0503 119 119 100 Pass 0.0511 113 113 100 Pass 0.0518 104 104 100 Pass 0.0526 98 98 100 Pass 0.0533 90 90 100 Pass 0.0541 84 84 100 Pass 0.0548 80 80 100 Pass 0.0555 76 76 100 Pass 0.0563 74 74 100 Pass 0.0570 70 70 100 Pass 0.0578 66 66 100 Pass 0.0585 63 63 100 Pass 0.0592 56 56 100 Pass 0.0600 54 54 100 Pass 0.0607 49 49 100 Pass 0.0615 46 46 100 Pass 0.0622 42 42 100 Pass 0.0629 41 41 100 Pass 0.0637 39 39 100 Pass 0.0644 36 36 100 Pass 0.0652 34 34 100 Pass Earlington - Conveyance 11/14/2017 17:01:20 Page 35 0.0659 33 33 100 Pass 0.0667 30 30 100 Pass 0.0674 30 30 100 Pass 0.0681 28 28 100 Pass 0.0689 26 26 100 Pass 0.0696 23 23 100 Pass 0.0704 20 20 100 Pass 0.0711 19 19 100 Pass 0.0718 19 19 100 Pass 0.0726 18 18 100 Pass 0.0733 17 17 100 Pass 0.0741 16 16 100 Pass 0.0748 15 15 100 Pass 0.0755 15 15 100 Pass 0.0763 13 13 100 Pass 0.0770 13 13 100 Pass 0.0778 13 13 100 Pass 0.0785 11 11 100 Pass 0.0792 10 10 100 Pass 0.0800 10 10 100 Pass 0.0807 9 9 100 Pass 0.0815 7 7 100 Pass 0.0822 6 6 100 Pass 0.0830 4 4 100 Pass 0.0837 4 4 100 Pass 0.0844 3 3 100 Pass 0.0852 3 3 100 Pass 0.0859 3 3 100 Pass 0.0867 3 3 100 Pass 0.0874 3 3 100 Pass 0.0881 3 3 100 Pass 0.0889 3 3 100 Pass 0.0896 3 3 100 Pass 0.0904 3 3 100 Pass 0.0911 3 3 100 Pass 0.0918 3 3 100 Pass 0.0926 3 3 100 Pass 0.0933 3 3 100 Pass 0.0941 3 3 100 Pass 0.0948 3 3 100 Pass 0.0955 3 3 100 Pass 0.0963 3 3 100 Pass 0.0970 3 3 100 Pass 0.0978 2 2 100 Pass 0.0985 2 2 100 Pass 0.0993 2 2 100 Pass 0.1000 2 2 100 Pass Earlington - Conveyance 11/14/2017 17:01:20 Page 36 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:01:20 Page 37 LID Report Earlington - Conveyance 11/14/2017 17:01:28 Page 38 POC 2 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #2 Total Pervious Area:0.27 Total Impervious Area:0.3 Mitigated Landuse Totals for POC #2 Total Pervious Area:0.27 Total Impervious Area:0.3 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #2 Return Period Flow(cfs) 2 year 0.153823 5 year 0.202738 10 year 0.23779 25 year 0.285222 50 year 0.32291 100 year 0.362673 Flow Frequency Return Periods for Mitigated. POC #2 Return Period Flow(cfs) 2 year 0.153823 5 year 0.202738 10 year 0.23779 25 year 0.285222 50 year 0.32291 100 year 0.362673 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #2 Year Predeveloped Mitigated 1949 0.218 0.218 1950 0.193 0.193 1951 0.128 0.128 1952 0.096 0.096 1953 0.108 0.108 1954 0.125 0.125 1955 0.144 0.144 1956 0.126 0.126 1957 0.156 0.156 1958 0.120 0.120 1959 0.120 0.120 Earlington - Conveyance 11/14/2017 17:02:04 Page 39 1960 0.144 0.144 1961 0.130 0.130 1962 0.103 0.103 1963 0.138 0.138 1964 0.121 0.121 1965 0.161 0.161 1966 0.107 0.107 1967 0.203 0.203 1968 0.236 0.236 1969 0.147 0.147 1970 0.142 0.142 1971 0.174 0.174 1972 0.185 0.185 1973 0.097 0.097 1974 0.169 0.169 1975 0.159 0.159 1976 0.133 0.133 1977 0.128 0.128 1978 0.167 0.167 1979 0.203 0.203 1980 0.270 0.270 1981 0.146 0.146 1982 0.223 0.223 1983 0.163 0.163 1984 0.110 0.110 1985 0.141 0.141 1986 0.131 0.131 1987 0.182 0.182 1988 0.115 0.115 1989 0.180 0.180 1990 0.323 0.323 1991 0.260 0.260 1992 0.117 0.117 1993 0.127 0.127 1994 0.109 0.109 1995 0.131 0.131 1996 0.190 0.190 1997 0.148 0.148 1998 0.145 0.145 1999 0.335 0.335 2000 0.148 0.148 2001 0.161 0.161 2002 0.193 0.193 2003 0.199 0.199 2004 0.317 0.317 2005 0.124 0.124 2006 0.120 0.120 2007 0.304 0.304 2008 0.242 0.242 2009 0.190 0.190 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #2 Rank Predeveloped Mitigated 1 0.3352 0.3352 2 0.3227 0.3227 3 0.3174 0.3174 4 0.3038 0.3038 Earlington - Conveyance 11/14/2017 17:02:04 Page 40 5 0.2700 0.2700 6 0.2598 0.2598 7 0.2421 0.2421 8 0.2357 0.2357 9 0.2235 0.2235 10 0.2185 0.2185 11 0.2033 0.2033 12 0.2027 0.2027 13 0.1989 0.1989 14 0.1935 0.1935 15 0.1929 0.1929 16 0.1904 0.1904 17 0.1901 0.1901 18 0.1851 0.1851 19 0.1823 0.1823 20 0.1801 0.1801 21 0.1740 0.1740 22 0.1690 0.1690 23 0.1665 0.1665 24 0.1634 0.1634 25 0.1607 0.1607 26 0.1606 0.1606 27 0.1585 0.1585 28 0.1560 0.1560 29 0.1479 0.1479 30 0.1478 0.1478 31 0.1468 0.1468 32 0.1464 0.1464 33 0.1452 0.1452 34 0.1440 0.1440 35 0.1439 0.1439 36 0.1424 0.1424 37 0.1413 0.1413 38 0.1379 0.1379 39 0.1328 0.1328 40 0.1311 0.1311 41 0.1310 0.1310 42 0.1300 0.1300 43 0.1284 0.1284 44 0.1277 0.1277 45 0.1268 0.1268 46 0.1257 0.1257 47 0.1249 0.1249 48 0.1237 0.1237 49 0.1206 0.1206 50 0.1204 0.1204 51 0.1203 0.1203 52 0.1203 0.1203 53 0.1173 0.1173 54 0.1151 0.1151 55 0.1103 0.1103 56 0.1086 0.1086 57 0.1080 0.1080 58 0.1074 0.1074 59 0.1026 0.1026 60 0.0967 0.0967 61 0.0956 0.0956 Earlington - Conveyance 11/14/2017 17:02:04 Page 41 Earlington - Conveyance 11/14/2017 17:02:04 Page 42 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0769 1246 1246 100 Pass 0.0794 1103 1103 100 Pass 0.0819 1006 1006 100 Pass 0.0844 908 908 100 Pass 0.0869 823 823 100 Pass 0.0893 732 732 100 Pass 0.0918 667 667 100 Pass 0.0943 593 593 100 Pass 0.0968 546 546 100 Pass 0.0993 508 508 100 Pass 0.1018 471 471 100 Pass 0.1042 435 435 100 Pass 0.1067 403 403 100 Pass 0.1092 372 372 100 Pass 0.1117 350 350 100 Pass 0.1142 320 320 100 Pass 0.1167 298 298 100 Pass 0.1192 269 269 100 Pass 0.1216 245 245 100 Pass 0.1241 225 225 100 Pass 0.1266 213 213 100 Pass 0.1291 194 194 100 Pass 0.1316 178 178 100 Pass 0.1341 169 169 100 Pass 0.1365 160 160 100 Pass 0.1390 152 152 100 Pass 0.1415 146 146 100 Pass 0.1440 139 139 100 Pass 0.1465 128 128 100 Pass 0.1490 117 117 100 Pass 0.1515 115 115 100 Pass 0.1539 111 111 100 Pass 0.1564 106 106 100 Pass 0.1589 102 102 100 Pass 0.1614 97 97 100 Pass 0.1639 90 90 100 Pass 0.1664 83 83 100 Pass 0.1689 78 78 100 Pass 0.1713 72 72 100 Pass 0.1738 67 67 100 Pass 0.1763 64 64 100 Pass 0.1788 61 61 100 Pass 0.1813 56 56 100 Pass 0.1838 52 52 100 Pass 0.1862 49 49 100 Pass 0.1887 46 46 100 Pass 0.1912 43 43 100 Pass 0.1937 38 38 100 Pass 0.1962 38 38 100 Pass 0.1987 33 33 100 Pass 0.2012 31 31 100 Pass 0.2036 28 28 100 Pass 0.2061 27 27 100 Pass Earlington - Conveyance 11/14/2017 17:02:04 Page 43 0.2086 23 23 100 Pass 0.2111 23 23 100 Pass 0.2136 23 23 100 Pass 0.2161 23 23 100 Pass 0.2185 22 22 100 Pass 0.2210 21 21 100 Pass 0.2235 19 19 100 Pass 0.2260 19 19 100 Pass 0.2285 19 19 100 Pass 0.2310 17 17 100 Pass 0.2335 17 17 100 Pass 0.2359 16 16 100 Pass 0.2384 16 16 100 Pass 0.2409 16 16 100 Pass 0.2434 15 15 100 Pass 0.2459 14 14 100 Pass 0.2484 14 14 100 Pass 0.2508 13 13 100 Pass 0.2533 13 13 100 Pass 0.2558 13 13 100 Pass 0.2583 12 12 100 Pass 0.2608 9 9 100 Pass 0.2633 9 9 100 Pass 0.2658 9 9 100 Pass 0.2682 9 9 100 Pass 0.2707 6 6 100 Pass 0.2732 6 6 100 Pass 0.2757 6 6 100 Pass 0.2782 6 6 100 Pass 0.2807 5 5 100 Pass 0.2832 5 5 100 Pass 0.2856 5 5 100 Pass 0.2881 5 5 100 Pass 0.2906 5 5 100 Pass 0.2931 5 5 100 Pass 0.2956 5 5 100 Pass 0.2981 5 5 100 Pass 0.3005 4 4 100 Pass 0.3030 4 4 100 Pass 0.3055 3 3 100 Pass 0.3080 3 3 100 Pass 0.3105 3 3 100 Pass 0.3130 3 3 100 Pass 0.3155 3 3 100 Pass 0.3179 2 2 100 Pass 0.3204 2 2 100 Pass 0.3229 1 1 100 Pass Earlington - Conveyance 11/14/2017 17:02:04 Page 44 Water Quality Water Quality BMP Flow and Volume for POC #2 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:02:04 Page 45 LID Report Earlington - Conveyance 11/14/2017 17:02:04 Page 46 POC 3 POC #3 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:02:04 Page 47 POC 4 POC #4 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:02:04 Page 48 POC 5 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #5 Total Pervious Area:0.14 Total Impervious Area:0.38 Mitigated Landuse Totals for POC #5 Total Pervious Area:0.14 Total Impervious Area:0.38 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #5 Return Period Flow(cfs) 2 year 0.17873 5 year 0.230566 10 year 0.267101 25 year 0.315886 50 year 0.354194 100 year 0.394238 Flow Frequency Return Periods for Mitigated. POC #5 Return Period Flow(cfs) 2 year 0.17873 5 year 0.230566 10 year 0.267101 25 year 0.315886 50 year 0.354194 100 year 0.394238 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #5 Year Predeveloped Mitigated 1949 0.239 0.239 1950 0.227 0.227 1951 0.141 0.141 1952 0.114 0.114 1953 0.134 0.134 1954 0.145 0.145 1955 0.170 0.170 1956 0.153 0.153 1957 0.174 0.174 1958 0.144 0.144 1959 0.152 0.152 Earlington - Conveyance 11/14/2017 17:02:41 Page 49 1960 0.160 0.160 1961 0.150 0.150 1962 0.125 0.125 1963 0.157 0.157 1964 0.148 0.148 1965 0.179 0.179 1966 0.126 0.126 1967 0.218 0.218 1968 0.275 0.275 1969 0.165 0.165 1970 0.165 0.165 1971 0.201 0.201 1972 0.206 0.206 1973 0.122 0.122 1974 0.191 0.191 1975 0.186 0.186 1976 0.152 0.152 1977 0.149 0.149 1978 0.209 0.209 1979 0.253 0.253 1980 0.292 0.292 1981 0.171 0.171 1982 0.252 0.252 1983 0.198 0.198 1984 0.130 0.130 1985 0.167 0.167 1986 0.147 0.147 1987 0.223 0.223 1988 0.146 0.146 1989 0.228 0.228 1990 0.325 0.325 1991 0.275 0.275 1992 0.134 0.134 1993 0.159 0.159 1994 0.138 0.138 1995 0.154 0.154 1996 0.209 0.209 1997 0.164 0.164 1998 0.166 0.166 1999 0.373 0.373 2000 0.168 0.168 2001 0.198 0.198 2002 0.218 0.218 2003 0.221 0.221 2004 0.358 0.358 2005 0.138 0.138 2006 0.133 0.133 2007 0.340 0.340 2008 0.255 0.255 2009 0.240 0.240 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #5 Rank Predeveloped Mitigated 1 0.3729 0.3729 2 0.3581 0.3581 3 0.3396 0.3396 4 0.3251 0.3251 Earlington - Conveyance 11/14/2017 17:02:41 Page 50 5 0.2923 0.2923 6 0.2753 0.2753 7 0.2745 0.2745 8 0.2545 0.2545 9 0.2527 0.2527 10 0.2525 0.2525 11 0.2402 0.2402 12 0.2394 0.2394 13 0.2281 0.2281 14 0.2270 0.2270 15 0.2231 0.2231 16 0.2214 0.2214 17 0.2177 0.2177 18 0.2175 0.2175 19 0.2094 0.2094 20 0.2086 0.2086 21 0.2063 0.2063 22 0.2007 0.2007 23 0.1983 0.1983 24 0.1981 0.1981 25 0.1906 0.1906 26 0.1858 0.1858 27 0.1791 0.1791 28 0.1743 0.1743 29 0.1712 0.1712 30 0.1701 0.1701 31 0.1685 0.1685 32 0.1671 0.1671 33 0.1662 0.1662 34 0.1646 0.1646 35 0.1646 0.1646 36 0.1639 0.1639 37 0.1601 0.1601 38 0.1586 0.1586 39 0.1573 0.1573 40 0.1545 0.1545 41 0.1529 0.1529 42 0.1522 0.1522 43 0.1516 0.1516 44 0.1504 0.1504 45 0.1486 0.1486 46 0.1478 0.1478 47 0.1466 0.1466 48 0.1457 0.1457 49 0.1446 0.1446 50 0.1436 0.1436 51 0.1412 0.1412 52 0.1383 0.1383 53 0.1375 0.1375 54 0.1343 0.1343 55 0.1339 0.1339 56 0.1327 0.1327 57 0.1302 0.1302 58 0.1265 0.1265 59 0.1248 0.1248 60 0.1223 0.1223 61 0.1144 0.1144 Earlington - Conveyance 11/14/2017 17:02:41 Page 51 Earlington - Conveyance 11/14/2017 17:02:41 Page 52 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0894 1330 1330 100 Pass 0.0920 1204 1204 100 Pass 0.0947 1099 1099 100 Pass 0.0974 1004 1004 100 Pass 0.1001 922 922 100 Pass 0.1027 830 830 100 Pass 0.1054 749 749 100 Pass 0.1081 675 675 100 Pass 0.1108 601 601 100 Pass 0.1134 550 550 100 Pass 0.1161 507 507 100 Pass 0.1188 476 476 100 Pass 0.1215 448 448 100 Pass 0.1241 417 417 100 Pass 0.1268 386 386 100 Pass 0.1295 350 350 100 Pass 0.1322 323 323 100 Pass 0.1348 299 299 100 Pass 0.1375 274 274 100 Pass 0.1402 260 260 100 Pass 0.1429 240 240 100 Pass 0.1455 219 219 100 Pass 0.1482 208 208 100 Pass 0.1509 197 197 100 Pass 0.1536 181 181 100 Pass 0.1562 172 172 100 Pass 0.1589 158 158 100 Pass 0.1616 149 149 100 Pass 0.1643 142 142 100 Pass 0.1669 134 134 100 Pass 0.1696 126 126 100 Pass 0.1723 120 120 100 Pass 0.1750 114 114 100 Pass 0.1776 108 108 100 Pass 0.1803 101 101 100 Pass 0.1830 97 97 100 Pass 0.1857 91 91 100 Pass 0.1883 83 83 100 Pass 0.1910 80 80 100 Pass 0.1937 74 74 100 Pass 0.1964 67 67 100 Pass 0.1990 61 61 100 Pass 0.2017 59 59 100 Pass 0.2044 57 57 100 Pass 0.2071 54 54 100 Pass 0.2097 47 47 100 Pass 0.2124 45 45 100 Pass 0.2151 43 43 100 Pass 0.2178 40 40 100 Pass 0.2204 37 37 100 Pass 0.2231 34 34 100 Pass 0.2258 32 32 100 Pass 0.2285 29 29 100 Pass Earlington - Conveyance 11/14/2017 17:02:41 Page 53 0.2311 28 28 100 Pass 0.2338 28 28 100 Pass 0.2365 27 27 100 Pass 0.2392 24 24 100 Pass 0.2418 21 21 100 Pass 0.2445 19 19 100 Pass 0.2472 19 19 100 Pass 0.2499 19 19 100 Pass 0.2525 18 18 100 Pass 0.2552 16 16 100 Pass 0.2579 16 16 100 Pass 0.2606 16 16 100 Pass 0.2632 16 16 100 Pass 0.2659 15 15 100 Pass 0.2686 15 15 100 Pass 0.2713 15 15 100 Pass 0.2739 14 14 100 Pass 0.2766 11 11 100 Pass 0.2793 10 10 100 Pass 0.2820 10 10 100 Pass 0.2846 8 8 100 Pass 0.2873 8 8 100 Pass 0.2900 8 8 100 Pass 0.2927 7 7 100 Pass 0.2953 6 6 100 Pass 0.2980 5 5 100 Pass 0.3007 5 5 100 Pass 0.3034 4 4 100 Pass 0.3060 4 4 100 Pass 0.3087 4 4 100 Pass 0.3114 4 4 100 Pass 0.3141 4 4 100 Pass 0.3167 4 4 100 Pass 0.3194 4 4 100 Pass 0.3221 4 4 100 Pass 0.3248 4 4 100 Pass 0.3274 3 3 100 Pass 0.3301 3 3 100 Pass 0.3328 3 3 100 Pass 0.3355 3 3 100 Pass 0.3381 3 3 100 Pass 0.3408 2 2 100 Pass 0.3435 2 2 100 Pass 0.3462 2 2 100 Pass 0.3488 2 2 100 Pass 0.3515 2 2 100 Pass 0.3542 2 2 100 Pass Earlington - Conveyance 11/14/2017 17:02:41 Page 54 Water Quality Water Quality BMP Flow and Volume for POC #5 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:02:41 Page 55 LID Report Earlington - Conveyance 11/14/2017 17:02:41 Page 56 POC 6 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #6 Total Pervious Area:0.04 Total Impervious Area:0.14 Mitigated Landuse Totals for POC #6 Total Pervious Area:0.04 Total Impervious Area:0.14 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #6 Return Period Flow(cfs) 2 year 0.064942 5 year 0.083519 10 year 0.096581 25 year 0.113989 50 year 0.127635 100 year 0.141881 Flow Frequency Return Periods for Mitigated. POC #6 Return Period Flow(cfs) 2 year 0.064942 5 year 0.083519 10 year 0.096581 25 year 0.113989 50 year 0.127635 100 year 0.141881 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #6 Year Predeveloped Mitigated 1949 0.086 0.086 1950 0.083 0.083 1951 0.051 0.051 1952 0.042 0.042 1953 0.049 0.049 1954 0.052 0.052 1955 0.062 0.062 1956 0.056 0.056 1957 0.063 0.063 1958 0.052 0.052 1959 0.056 0.056 Earlington - Conveyance 11/14/2017 17:03:17 Page 57 1960 0.058 0.058 1961 0.055 0.055 1962 0.046 0.046 1963 0.057 0.057 1964 0.054 0.054 1965 0.065 0.065 1966 0.046 0.046 1967 0.078 0.078 1968 0.100 0.100 1969 0.060 0.060 1970 0.060 0.060 1971 0.073 0.073 1972 0.074 0.074 1973 0.045 0.045 1974 0.069 0.069 1975 0.068 0.068 1976 0.055 0.055 1977 0.054 0.054 1978 0.077 0.077 1979 0.093 0.093 1980 0.105 0.105 1981 0.062 0.062 1982 0.091 0.091 1983 0.072 0.072 1984 0.047 0.047 1985 0.061 0.061 1986 0.053 0.053 1987 0.082 0.082 1988 0.054 0.054 1989 0.084 0.084 1990 0.115 0.115 1991 0.098 0.098 1992 0.049 0.049 1993 0.058 0.058 1994 0.051 0.051 1995 0.056 0.056 1996 0.075 0.075 1997 0.059 0.059 1998 0.060 0.060 1999 0.134 0.134 2000 0.061 0.061 2001 0.073 0.073 2002 0.079 0.079 2003 0.080 0.080 2004 0.129 0.129 2005 0.050 0.050 2006 0.048 0.048 2007 0.123 0.123 2008 0.091 0.091 2009 0.088 0.088 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #6 Rank Predeveloped Mitigated 1 0.1344 0.1344 2 0.1294 0.1294 3 0.1225 0.1225 4 0.1150 0.1150 Earlington - Conveyance 11/14/2017 17:03:17 Page 58 5 0.1049 0.1049 6 0.1001 0.1001 7 0.0980 0.0980 8 0.0928 0.0928 9 0.0913 0.0913 10 0.0908 0.0908 11 0.0884 0.0884 12 0.0860 0.0860 13 0.0840 0.0840 14 0.0833 0.0833 15 0.0817 0.0817 16 0.0798 0.0798 17 0.0786 0.0786 18 0.0779 0.0779 19 0.0767 0.0767 20 0.0754 0.0754 21 0.0744 0.0744 22 0.0728 0.0728 23 0.0728 0.0728 24 0.0725 0.0725 25 0.0689 0.0689 26 0.0684 0.0684 27 0.0648 0.0648 28 0.0629 0.0629 29 0.0623 0.0623 30 0.0620 0.0620 31 0.0610 0.0610 32 0.0609 0.0609 33 0.0602 0.0602 34 0.0597 0.0597 35 0.0596 0.0596 36 0.0590 0.0590 37 0.0583 0.0583 38 0.0577 0.0577 39 0.0570 0.0570 40 0.0563 0.0563 41 0.0563 0.0563 42 0.0561 0.0561 43 0.0549 0.0549 44 0.0546 0.0546 45 0.0543 0.0543 46 0.0540 0.0540 47 0.0537 0.0537 48 0.0529 0.0529 49 0.0525 0.0525 50 0.0524 0.0524 51 0.0508 0.0508 52 0.0507 0.0507 53 0.0499 0.0499 54 0.0492 0.0492 55 0.0487 0.0487 56 0.0477 0.0477 57 0.0474 0.0474 58 0.0460 0.0460 59 0.0457 0.0457 60 0.0451 0.0451 61 0.0418 0.0418 Earlington - Conveyance 11/14/2017 17:03:17 Page 59 Earlington - Conveyance 11/14/2017 17:03:17 Page 60 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0325 1345 1345 100 Pass 0.0334 1231 1231 100 Pass 0.0344 1117 1117 100 Pass 0.0354 1014 1014 100 Pass 0.0363 931 931 100 Pass 0.0373 852 852 100 Pass 0.0382 764 764 100 Pass 0.0392 677 677 100 Pass 0.0402 621 621 100 Pass 0.0411 558 558 100 Pass 0.0421 514 514 100 Pass 0.0430 480 480 100 Pass 0.0440 452 452 100 Pass 0.0450 424 424 100 Pass 0.0459 391 391 100 Pass 0.0469 353 353 100 Pass 0.0479 323 323 100 Pass 0.0488 300 300 100 Pass 0.0498 278 278 100 Pass 0.0507 260 260 100 Pass 0.0517 244 244 100 Pass 0.0527 225 225 100 Pass 0.0536 213 213 100 Pass 0.0546 200 200 100 Pass 0.0555 185 185 100 Pass 0.0565 174 174 100 Pass 0.0575 163 163 100 Pass 0.0584 151 151 100 Pass 0.0594 145 145 100 Pass 0.0603 135 135 100 Pass 0.0613 128 128 100 Pass 0.0623 124 124 100 Pass 0.0632 114 114 100 Pass 0.0642 107 107 100 Pass 0.0652 101 101 100 Pass 0.0661 94 94 100 Pass 0.0671 90 90 100 Pass 0.0680 86 86 100 Pass 0.0690 81 81 100 Pass 0.0700 73 73 100 Pass 0.0709 68 68 100 Pass 0.0719 64 64 100 Pass 0.0728 58 58 100 Pass 0.0738 57 57 100 Pass 0.0748 54 54 100 Pass 0.0757 49 49 100 Pass 0.0767 47 47 100 Pass 0.0776 43 43 100 Pass 0.0786 39 39 100 Pass 0.0796 37 37 100 Pass 0.0805 34 34 100 Pass 0.0815 33 33 100 Pass 0.0825 32 32 100 Pass Earlington - Conveyance 11/14/2017 17:03:17 Page 61 0.0834 30 30 100 Pass 0.0844 28 28 100 Pass 0.0853 28 28 100 Pass 0.0863 24 24 100 Pass 0.0873 20 20 100 Pass 0.0882 20 20 100 Pass 0.0892 19 19 100 Pass 0.0901 19 19 100 Pass 0.0911 18 18 100 Pass 0.0921 17 17 100 Pass 0.0930 16 16 100 Pass 0.0940 15 15 100 Pass 0.0950 15 15 100 Pass 0.0959 15 15 100 Pass 0.0969 15 15 100 Pass 0.0978 15 15 100 Pass 0.0988 13 13 100 Pass 0.0998 11 11 100 Pass 0.1007 10 10 100 Pass 0.1017 10 10 100 Pass 0.1026 9 9 100 Pass 0.1036 8 8 100 Pass 0.1046 8 8 100 Pass 0.1055 7 7 100 Pass 0.1065 5 5 100 Pass 0.1074 4 4 100 Pass 0.1084 4 4 100 Pass 0.1094 4 4 100 Pass 0.1103 4 4 100 Pass 0.1113 4 4 100 Pass 0.1123 4 4 100 Pass 0.1132 4 4 100 Pass 0.1142 4 4 100 Pass 0.1151 3 3 100 Pass 0.1161 3 3 100 Pass 0.1171 3 3 100 Pass 0.1180 3 3 100 Pass 0.1190 3 3 100 Pass 0.1199 3 3 100 Pass 0.1209 3 3 100 Pass 0.1219 3 3 100 Pass 0.1228 2 2 100 Pass 0.1238 2 2 100 Pass 0.1248 2 2 100 Pass 0.1257 2 2 100 Pass 0.1267 2 2 100 Pass 0.1276 2 2 100 Pass Earlington - Conveyance 11/14/2017 17:03:17 Page 62 Water Quality Water Quality BMP Flow and Volume for POC #6 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:03:17 Page 63 LID Report Earlington - Conveyance 11/14/2017 17:03:18 Page 64 POC 7 POC #7 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:03:18 Page 65 POC 8 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #8 Total Pervious Area:0 Total Impervious Area:0.25 Mitigated Landuse Totals for POC #8 Total Pervious Area:0 Total Impervious Area:0.25 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #8 Return Period Flow(cfs) 2 year 0.110997 5 year 0.140932 10 year 0.161353 25 year 0.187925 50 year 0.208318 100 year 0.229252 Flow Frequency Return Periods for Mitigated. POC #8 Return Period Flow(cfs) 2 year 0.110997 5 year 0.140932 10 year 0.161353 25 year 0.187925 50 year 0.208318 100 year 0.229252 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #8 Year Predeveloped Mitigated 1949 0.140 0.140 1950 0.147 0.147 1951 0.083 0.083 1952 0.073 0.073 1953 0.087 0.087 1954 0.089 0.089 1955 0.106 0.106 1956 0.101 0.101 1957 0.104 0.104 1958 0.090 0.090 1959 0.100 0.100 Earlington - Conveyance 11/14/2017 17:03:48 Page 66 1960 0.095 0.095 1961 0.092 0.092 1962 0.080 0.080 1963 0.096 0.096 1964 0.096 0.096 1965 0.109 0.109 1966 0.079 0.079 1967 0.128 0.128 1968 0.171 0.171 1969 0.100 0.100 1970 0.101 0.101 1971 0.123 0.123 1972 0.123 0.123 1973 0.080 0.080 1974 0.115 0.115 1975 0.122 0.122 1976 0.092 0.092 1977 0.092 0.092 1978 0.136 0.136 1979 0.164 0.164 1980 0.170 0.170 1981 0.106 0.106 1982 0.152 0.152 1983 0.126 0.126 1984 0.081 0.081 1985 0.105 0.105 1986 0.091 0.091 1987 0.143 0.143 1988 0.096 0.096 1989 0.150 0.150 1990 0.176 0.176 1991 0.156 0.156 1992 0.082 0.082 1993 0.103 0.103 1994 0.090 0.090 1995 0.096 0.096 1996 0.124 0.124 1997 0.097 0.097 1998 0.104 0.104 1999 0.222 0.222 2000 0.102 0.102 2001 0.128 0.128 2002 0.131 0.131 2003 0.132 0.132 2004 0.216 0.216 2005 0.084 0.084 2006 0.078 0.078 2007 0.203 0.203 2008 0.144 0.144 2009 0.158 0.158 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #8 Rank Predeveloped Mitigated 1 0.2218 0.2218 2 0.2156 0.2156 3 0.2029 0.2029 4 0.1758 0.1758 Earlington - Conveyance 11/14/2017 17:03:48 Page 67 5 0.1705 0.1705 6 0.1697 0.1697 7 0.1640 0.1640 8 0.1576 0.1576 9 0.1557 0.1557 10 0.1521 0.1521 11 0.1500 0.1500 12 0.1465 0.1465 13 0.1437 0.1437 14 0.1432 0.1432 15 0.1404 0.1404 16 0.1361 0.1361 17 0.1317 0.1317 18 0.1308 0.1308 19 0.1281 0.1281 20 0.1278 0.1278 21 0.1262 0.1262 22 0.1239 0.1239 23 0.1230 0.1230 24 0.1228 0.1228 25 0.1221 0.1221 26 0.1146 0.1146 27 0.1088 0.1088 28 0.1063 0.1063 29 0.1062 0.1062 30 0.1045 0.1045 31 0.1040 0.1040 32 0.1037 0.1037 33 0.1035 0.1035 34 0.1023 0.1023 35 0.1011 0.1011 36 0.1006 0.1006 37 0.1002 0.1002 38 0.1000 0.1000 39 0.0971 0.0971 40 0.0964 0.0964 41 0.0961 0.0961 42 0.0958 0.0958 43 0.0956 0.0956 44 0.0952 0.0952 45 0.0924 0.0924 46 0.0922 0.0922 47 0.0921 0.0921 48 0.0913 0.0913 49 0.0905 0.0905 50 0.0904 0.0904 51 0.0889 0.0889 52 0.0868 0.0868 53 0.0844 0.0844 54 0.0835 0.0835 55 0.0818 0.0818 56 0.0814 0.0814 57 0.0804 0.0804 58 0.0798 0.0798 59 0.0788 0.0788 60 0.0783 0.0783 61 0.0726 0.0726 Earlington - Conveyance 11/14/2017 17:03:48 Page 68 Earlington - Conveyance 11/14/2017 17:03:48 Page 69 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0555 1399 1399 100 Pass 0.0570 1283 1283 100 Pass 0.0586 1167 1167 100 Pass 0.0601 1065 1065 100 Pass 0.0617 980 980 100 Pass 0.0632 901 901 100 Pass 0.0648 819 819 100 Pass 0.0663 739 739 100 Pass 0.0678 671 671 100 Pass 0.0694 610 610 100 Pass 0.0709 552 552 100 Pass 0.0725 509 509 100 Pass 0.0740 469 469 100 Pass 0.0756 435 435 100 Pass 0.0771 412 412 100 Pass 0.0787 373 373 100 Pass 0.0802 345 345 100 Pass 0.0817 325 325 100 Pass 0.0833 304 304 100 Pass 0.0848 279 279 100 Pass 0.0864 262 262 100 Pass 0.0879 246 246 100 Pass 0.0895 234 234 100 Pass 0.0910 221 221 100 Pass 0.0925 202 202 100 Pass 0.0941 191 191 100 Pass 0.0956 176 176 100 Pass 0.0972 168 168 100 Pass 0.0987 160 160 100 Pass 0.1003 151 151 100 Pass 0.1018 141 141 100 Pass 0.1034 132 132 100 Pass 0.1049 119 119 100 Pass 0.1064 113 113 100 Pass 0.1080 106 106 100 Pass 0.1095 98 98 100 Pass 0.1111 91 91 100 Pass 0.1126 84 84 100 Pass 0.1142 80 80 100 Pass 0.1157 76 76 100 Pass 0.1172 74 74 100 Pass 0.1188 70 70 100 Pass 0.1203 66 66 100 Pass 0.1219 63 63 100 Pass 0.1234 56 56 100 Pass 0.1250 54 54 100 Pass 0.1265 49 49 100 Pass 0.1280 46 46 100 Pass 0.1296 42 42 100 Pass 0.1311 41 41 100 Pass 0.1327 39 39 100 Pass 0.1342 36 36 100 Pass 0.1358 34 34 100 Pass Earlington - Conveyance 11/14/2017 17:03:48 Page 70 0.1373 33 33 100 Pass 0.1389 30 30 100 Pass 0.1404 30 30 100 Pass 0.1419 28 28 100 Pass 0.1435 26 26 100 Pass 0.1450 23 23 100 Pass 0.1466 21 21 100 Pass 0.1481 19 19 100 Pass 0.1497 19 19 100 Pass 0.1512 18 18 100 Pass 0.1527 17 17 100 Pass 0.1543 16 16 100 Pass 0.1558 15 15 100 Pass 0.1574 15 15 100 Pass 0.1589 13 13 100 Pass 0.1605 13 13 100 Pass 0.1620 13 13 100 Pass 0.1636 11 11 100 Pass 0.1651 10 10 100 Pass 0.1666 10 10 100 Pass 0.1682 9 9 100 Pass 0.1697 7 7 100 Pass 0.1713 6 6 100 Pass 0.1728 4 4 100 Pass 0.1744 4 4 100 Pass 0.1759 3 3 100 Pass 0.1774 3 3 100 Pass 0.1790 3 3 100 Pass 0.1805 3 3 100 Pass 0.1821 3 3 100 Pass 0.1836 3 3 100 Pass 0.1852 3 3 100 Pass 0.1867 3 3 100 Pass 0.1883 3 3 100 Pass 0.1898 3 3 100 Pass 0.1913 3 3 100 Pass 0.1929 3 3 100 Pass 0.1944 3 3 100 Pass 0.1960 3 3 100 Pass 0.1975 3 3 100 Pass 0.1991 3 3 100 Pass 0.2006 3 3 100 Pass 0.2021 3 3 100 Pass 0.2037 2 2 100 Pass 0.2052 2 2 100 Pass 0.2068 2 2 100 Pass 0.2083 2 2 100 Pass Earlington - Conveyance 11/14/2017 17:03:48 Page 71 Water Quality Water Quality BMP Flow and Volume for POC #8 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:03:48 Page 72 LID Report Earlington - Conveyance 11/14/2017 17:03:48 Page 73 POC 9 POC #9 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:03:48 Page 74 POC 10 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #10 Total Pervious Area:0.17 Total Impervious Area:0.35 Mitigated Landuse Totals for POC #10 Total Pervious Area:0.17 Total Impervious Area:0.35 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #10 Return Period Flow(cfs) 2 year 0.167807 5 year 0.217467 10 year 0.252592 25 year 0.299627 50 year 0.336655 100 year 0.375437 Flow Frequency Return Periods for Mitigated. POC #10 Return Period Flow(cfs) 2 year 0.167807 5 year 0.217467 10 year 0.252592 25 year 0.299627 50 year 0.336655 100 year 0.375437 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #10 Year Predeveloped Mitigated 1949 0.228 0.228 1950 0.210 0.210 1951 0.134 0.134 1952 0.107 0.107 1953 0.124 0.124 1954 0.136 0.136 1955 0.159 0.159 1956 0.141 0.141 1957 0.165 0.165 1958 0.134 0.134 1959 0.140 0.140 Earlington - Conveyance 11/14/2017 17:04:24 Page 75 1960 0.152 0.152 1961 0.141 0.141 1962 0.116 0.116 1963 0.148 0.148 1964 0.137 0.137 1965 0.169 0.169 1966 0.118 0.118 1967 0.208 0.208 1968 0.258 0.258 1969 0.155 0.155 1970 0.155 0.155 1971 0.189 0.189 1972 0.196 0.196 1973 0.113 0.113 1974 0.180 0.180 1975 0.171 0.171 1976 0.143 0.143 1977 0.140 0.140 1978 0.193 0.193 1979 0.234 0.234 1980 0.279 0.279 1981 0.161 0.161 1982 0.239 0.239 1983 0.184 0.184 1984 0.122 0.122 1985 0.156 0.156 1986 0.139 0.139 1987 0.207 0.207 1988 0.134 0.134 1989 0.210 0.210 1990 0.316 0.316 1991 0.264 0.264 1992 0.127 0.127 1993 0.147 0.147 1994 0.127 0.127 1995 0.145 0.145 1996 0.199 0.199 1997 0.156 0.156 1998 0.157 0.157 1999 0.354 0.354 2000 0.159 0.159 2001 0.184 0.184 2002 0.206 0.206 2003 0.210 0.210 2004 0.339 0.339 2005 0.131 0.131 2006 0.126 0.126 2007 0.322 0.322 2008 0.245 0.245 2009 0.221 0.221 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #10 Rank Predeveloped Mitigated 1 0.3540 0.3540 2 0.3388 0.3388 3 0.3220 0.3220 4 0.3164 0.3164 Earlington - Conveyance 11/14/2017 17:04:24 Page 76 5 0.2793 0.2793 6 0.2640 0.2640 7 0.2583 0.2583 8 0.2450 0.2450 9 0.2388 0.2388 10 0.2337 0.2337 11 0.2281 0.2281 12 0.2215 0.2215 13 0.2104 0.2104 14 0.2102 0.2102 15 0.2101 0.2101 16 0.2083 0.2083 17 0.2071 0.2071 18 0.2061 0.2061 19 0.1991 0.1991 20 0.1957 0.1957 21 0.1926 0.1926 22 0.1888 0.1888 23 0.1843 0.1843 24 0.1837 0.1837 25 0.1803 0.1803 26 0.1712 0.1712 27 0.1693 0.1693 28 0.1653 0.1653 29 0.1606 0.1606 30 0.1591 0.1591 31 0.1590 0.1590 32 0.1567 0.1567 33 0.1563 0.1563 34 0.1557 0.1557 35 0.1552 0.1552 36 0.1548 0.1548 37 0.1520 0.1520 38 0.1484 0.1484 39 0.1465 0.1465 40 0.1446 0.1446 41 0.1430 0.1430 42 0.1414 0.1414 43 0.1408 0.1408 44 0.1402 0.1402 45 0.1397 0.1397 46 0.1390 0.1390 47 0.1367 0.1367 48 0.1359 0.1359 49 0.1342 0.1342 50 0.1342 0.1342 51 0.1341 0.1341 52 0.1311 0.1311 53 0.1267 0.1267 54 0.1266 0.1266 55 0.1262 0.1262 56 0.1239 0.1239 57 0.1219 0.1219 58 0.1184 0.1184 59 0.1160 0.1160 60 0.1127 0.1127 61 0.1068 0.1068 Earlington - Conveyance 11/14/2017 17:04:24 Page 77 Earlington - Conveyance 11/14/2017 17:04:24 Page 78 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0839 1305 1305 100 Pass 0.0865 1184 1184 100 Pass 0.0890 1079 1079 100 Pass 0.0916 984 984 100 Pass 0.0941 905 905 100 Pass 0.0967 813 813 100 Pass 0.0992 722 722 100 Pass 0.1018 651 651 100 Pass 0.1043 586 586 100 Pass 0.1069 539 539 100 Pass 0.1094 501 501 100 Pass 0.1120 469 469 100 Pass 0.1145 439 439 100 Pass 0.1171 404 404 100 Pass 0.1196 376 376 100 Pass 0.1222 348 348 100 Pass 0.1248 318 318 100 Pass 0.1273 287 287 100 Pass 0.1299 268 268 100 Pass 0.1324 253 253 100 Pass 0.1350 230 230 100 Pass 0.1375 213 213 100 Pass 0.1401 203 203 100 Pass 0.1426 192 192 100 Pass 0.1452 177 177 100 Pass 0.1477 165 165 100 Pass 0.1503 157 157 100 Pass 0.1528 146 146 100 Pass 0.1554 139 139 100 Pass 0.1579 129 129 100 Pass 0.1605 123 123 100 Pass 0.1630 119 119 100 Pass 0.1656 112 112 100 Pass 0.1682 109 109 100 Pass 0.1707 101 101 100 Pass 0.1733 94 94 100 Pass 0.1758 92 92 100 Pass 0.1784 87 87 100 Pass 0.1809 78 78 100 Pass 0.1835 74 74 100 Pass 0.1860 66 66 100 Pass 0.1886 61 61 100 Pass 0.1911 58 58 100 Pass 0.1937 55 55 100 Pass 0.1962 52 52 100 Pass 0.1988 49 49 100 Pass 0.2013 45 45 100 Pass 0.2039 44 44 100 Pass 0.2064 41 41 100 Pass 0.2090 38 38 100 Pass 0.2116 32 32 100 Pass 0.2141 29 29 100 Pass 0.2167 28 28 100 Pass Earlington - Conveyance 11/14/2017 17:04:24 Page 79 0.2192 28 28 100 Pass 0.2218 26 26 100 Pass 0.2243 24 24 100 Pass 0.2269 24 24 100 Pass 0.2294 22 22 100 Pass 0.2320 21 21 100 Pass 0.2345 18 18 100 Pass 0.2371 18 18 100 Pass 0.2396 17 17 100 Pass 0.2422 17 17 100 Pass 0.2447 17 17 100 Pass 0.2473 16 16 100 Pass 0.2499 16 16 100 Pass 0.2524 16 16 100 Pass 0.2550 16 16 100 Pass 0.2575 15 15 100 Pass 0.2601 13 13 100 Pass 0.2626 13 13 100 Pass 0.2652 12 12 100 Pass 0.2677 11 11 100 Pass 0.2703 8 8 100 Pass 0.2728 8 8 100 Pass 0.2754 8 8 100 Pass 0.2779 8 8 100 Pass 0.2805 6 6 100 Pass 0.2830 6 6 100 Pass 0.2856 5 5 100 Pass 0.2881 5 5 100 Pass 0.2907 5 5 100 Pass 0.2933 5 5 100 Pass 0.2958 4 4 100 Pass 0.2984 4 4 100 Pass 0.3009 4 4 100 Pass 0.3035 4 4 100 Pass 0.3060 4 4 100 Pass 0.3086 4 4 100 Pass 0.3111 4 4 100 Pass 0.3137 4 4 100 Pass 0.3162 4 4 100 Pass 0.3188 3 3 100 Pass 0.3213 3 3 100 Pass 0.3239 2 2 100 Pass 0.3264 2 2 100 Pass 0.3290 2 2 100 Pass 0.3315 2 2 100 Pass 0.3341 2 2 100 Pass 0.3367 2 2 100 Pass Earlington - Conveyance 11/14/2017 17:04:24 Page 80 Water Quality Water Quality BMP Flow and Volume for POC #10 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:04:24 Page 81 LID Report Earlington - Conveyance 11/14/2017 17:04:24 Page 82 POC 11 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #11 Total Pervious Area:0.12 Total Impervious Area:0.37 Mitigated Landuse Totals for POC #11 Total Pervious Area:0.12 Total Impervious Area:0.37 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #11 Return Period Flow(cfs) 2 year 0.172753 5 year 0.222486 10 year 0.257492 25 year 0.304189 50 year 0.340824 100 year 0.379091 Flow Frequency Return Periods for Mitigated. POC #11 Return Period Flow(cfs) 2 year 0.172753 5 year 0.222486 10 year 0.257492 25 year 0.304189 50 year 0.340824 100 year 0.379091 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #11 Year Predeveloped Mitigated 1949 0.230 0.230 1950 0.221 0.221 1951 0.136 0.136 1952 0.111 0.111 1953 0.130 0.130 1954 0.140 0.140 1955 0.165 0.165 1956 0.149 0.149 1957 0.168 0.168 1958 0.139 0.139 1959 0.148 0.148 Earlington - Conveyance 11/14/2017 17:05:01 Page 83 1960 0.154 0.154 1961 0.145 0.145 1962 0.121 0.121 1963 0.152 0.152 1964 0.144 0.144 1965 0.173 0.173 1966 0.122 0.122 1967 0.209 0.209 1968 0.266 0.266 1969 0.159 0.159 1970 0.159 0.159 1971 0.194 0.194 1972 0.199 0.199 1973 0.119 0.119 1974 0.184 0.184 1975 0.181 0.181 1976 0.146 0.146 1977 0.144 0.144 1978 0.203 0.203 1979 0.246 0.246 1980 0.281 0.281 1981 0.166 0.166 1982 0.243 0.243 1983 0.192 0.192 1984 0.126 0.126 1985 0.162 0.162 1986 0.141 0.141 1987 0.217 0.217 1988 0.142 0.142 1989 0.222 0.222 1990 0.310 0.310 1991 0.263 0.263 1992 0.130 0.130 1993 0.154 0.154 1994 0.134 0.134 1995 0.149 0.149 1996 0.201 0.201 1997 0.158 0.158 1998 0.160 0.160 1999 0.359 0.359 2000 0.163 0.163 2001 0.193 0.193 2002 0.210 0.210 2003 0.213 0.213 2004 0.345 0.345 2005 0.133 0.133 2006 0.128 0.128 2007 0.327 0.327 2008 0.244 0.244 2009 0.234 0.234 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #11 Rank Predeveloped Mitigated 1 0.3589 0.3589 2 0.3452 0.3452 3 0.3271 0.3271 4 0.3098 0.3098 Earlington - Conveyance 11/14/2017 17:05:01 Page 84 5 0.2806 0.2806 6 0.2662 0.2662 7 0.2629 0.2629 8 0.2457 0.2457 9 0.2436 0.2436 10 0.2433 0.2433 11 0.2338 0.2338 12 0.2300 0.2300 13 0.2221 0.2221 14 0.2205 0.2205 15 0.2166 0.2166 16 0.2131 0.2131 17 0.2098 0.2098 18 0.2087 0.2087 19 0.2029 0.2029 20 0.2014 0.2014 21 0.1986 0.1986 22 0.1938 0.1938 23 0.1927 0.1927 24 0.1921 0.1921 25 0.1836 0.1836 26 0.1809 0.1809 27 0.1727 0.1727 28 0.1678 0.1678 29 0.1656 0.1656 30 0.1646 0.1646 31 0.1625 0.1625 32 0.1617 0.1617 33 0.1604 0.1604 34 0.1590 0.1590 35 0.1589 0.1589 36 0.1577 0.1577 37 0.1543 0.1543 38 0.1541 0.1541 39 0.1518 0.1518 40 0.1495 0.1495 41 0.1488 0.1488 42 0.1482 0.1482 43 0.1463 0.1463 44 0.1453 0.1453 45 0.1437 0.1437 46 0.1436 0.1436 47 0.1419 0.1419 48 0.1412 0.1412 49 0.1397 0.1397 50 0.1391 0.1391 51 0.1358 0.1358 52 0.1339 0.1339 53 0.1332 0.1332 54 0.1302 0.1302 55 0.1296 0.1296 56 0.1276 0.1276 57 0.1260 0.1260 58 0.1224 0.1224 59 0.1211 0.1211 60 0.1191 0.1191 61 0.1109 0.1109 Earlington - Conveyance 11/14/2017 17:05:01 Page 85 Earlington - Conveyance 11/14/2017 17:05:01 Page 86 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0864 1334 1334 100 Pass 0.0889 1218 1218 100 Pass 0.0915 1105 1105 100 Pass 0.0941 1011 1011 100 Pass 0.0967 928 928 100 Pass 0.0992 840 840 100 Pass 0.1018 758 758 100 Pass 0.1044 677 677 100 Pass 0.1069 610 610 100 Pass 0.1095 554 554 100 Pass 0.1121 513 513 100 Pass 0.1146 478 478 100 Pass 0.1172 451 451 100 Pass 0.1198 420 420 100 Pass 0.1224 392 392 100 Pass 0.1249 352 352 100 Pass 0.1275 324 324 100 Pass 0.1301 301 301 100 Pass 0.1326 277 277 100 Pass 0.1352 259 259 100 Pass 0.1378 244 244 100 Pass 0.1404 224 224 100 Pass 0.1429 209 209 100 Pass 0.1455 197 197 100 Pass 0.1481 184 184 100 Pass 0.1506 174 174 100 Pass 0.1532 161 161 100 Pass 0.1558 151 151 100 Pass 0.1583 143 143 100 Pass 0.1609 135 135 100 Pass 0.1635 128 128 100 Pass 0.1661 122 122 100 Pass 0.1686 114 114 100 Pass 0.1712 108 108 100 Pass 0.1738 101 101 100 Pass 0.1763 97 97 100 Pass 0.1789 91 91 100 Pass 0.1815 84 84 100 Pass 0.1840 81 81 100 Pass 0.1866 73 73 100 Pass 0.1892 67 67 100 Pass 0.1918 64 64 100 Pass 0.1943 58 58 100 Pass 0.1969 58 58 100 Pass 0.1995 55 55 100 Pass 0.2020 49 49 100 Pass 0.2046 45 45 100 Pass 0.2072 43 43 100 Pass 0.2097 39 39 100 Pass 0.2123 37 37 100 Pass 0.2149 34 34 100 Pass 0.2175 32 32 100 Pass 0.2200 32 32 100 Pass Earlington - Conveyance 11/14/2017 17:05:01 Page 87 0.2226 28 28 100 Pass 0.2252 28 28 100 Pass 0.2277 28 28 100 Pass 0.2303 23 23 100 Pass 0.2329 21 21 100 Pass 0.2354 19 19 100 Pass 0.2380 19 19 100 Pass 0.2406 19 19 100 Pass 0.2432 19 19 100 Pass 0.2457 16 16 100 Pass 0.2483 16 16 100 Pass 0.2509 16 16 100 Pass 0.2534 15 15 100 Pass 0.2560 15 15 100 Pass 0.2586 15 15 100 Pass 0.2611 15 15 100 Pass 0.2637 13 13 100 Pass 0.2663 11 11 100 Pass 0.2689 10 10 100 Pass 0.2714 10 10 100 Pass 0.2740 8 8 100 Pass 0.2766 8 8 100 Pass 0.2791 8 8 100 Pass 0.2817 7 7 100 Pass 0.2843 6 6 100 Pass 0.2869 5 5 100 Pass 0.2894 4 4 100 Pass 0.2920 4 4 100 Pass 0.2946 4 4 100 Pass 0.2971 4 4 100 Pass 0.2997 4 4 100 Pass 0.3023 4 4 100 Pass 0.3048 4 4 100 Pass 0.3074 4 4 100 Pass 0.3100 3 3 100 Pass 0.3126 3 3 100 Pass 0.3151 3 3 100 Pass 0.3177 3 3 100 Pass 0.3203 3 3 100 Pass 0.3228 3 3 100 Pass 0.3254 3 3 100 Pass 0.3280 2 2 100 Pass 0.3305 2 2 100 Pass 0.3331 2 2 100 Pass 0.3357 2 2 100 Pass 0.3383 2 2 100 Pass 0.3408 2 2 100 Pass Earlington - Conveyance 11/14/2017 17:05:01 Page 88 Water Quality Water Quality BMP Flow and Volume for POC #11 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:05:01 Page 89 LID Report Earlington - Conveyance 11/14/2017 17:05:01 Page 90 POC 12 POC #12 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:05:01 Page 91 POC 13 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #13 Total Pervious Area:0.3 Total Impervious Area:0.4 Mitigated Landuse Totals for POC #13 Total Pervious Area:0.3 Total Impervious Area:0.4 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #13 Return Period Flow(cfs) 2 year 0.20009 5 year 0.26211 10 year 0.306344 25 year 0.365975 50 year 0.413197 100 year 0.462887 Flow Frequency Return Periods for Mitigated. POC #13 Return Period Flow(cfs) 2 year 0.20009 5 year 0.26211 10 year 0.306344 25 year 0.365975 50 year 0.413197 100 year 0.462887 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #13 Year Predeveloped Mitigated 1949 0.280 0.280 1950 0.245 0.245 1951 0.164 0.164 1952 0.125 0.125 1953 0.143 0.143 1954 0.162 0.162 1955 0.188 0.188 1956 0.162 0.162 1957 0.201 0.201 1958 0.158 0.158 1959 0.160 0.160 Earlington - Conveyance 11/14/2017 17:05:37 Page 92 1960 0.185 0.185 1961 0.169 0.169 1962 0.135 0.135 1963 0.179 0.179 1964 0.158 0.158 1965 0.207 0.207 1966 0.140 0.140 1967 0.259 0.259 1968 0.307 0.307 1969 0.189 0.189 1970 0.185 0.185 1971 0.226 0.226 1972 0.238 0.238 1973 0.129 0.129 1974 0.218 0.218 1975 0.204 0.204 1976 0.172 0.172 1977 0.167 0.167 1978 0.221 0.221 1979 0.270 0.270 1980 0.345 0.345 1981 0.191 0.191 1982 0.289 0.289 1983 0.215 0.215 1984 0.144 0.144 1985 0.185 0.185 1986 0.169 0.169 1987 0.241 0.241 1988 0.153 0.153 1989 0.240 0.240 1990 0.405 0.405 1991 0.330 0.330 1992 0.152 0.152 1993 0.168 0.168 1994 0.145 0.145 1995 0.171 0.171 1996 0.243 0.243 1997 0.190 0.190 1998 0.188 0.188 1999 0.432 0.432 2000 0.192 0.192 2001 0.213 0.213 2002 0.250 0.250 2003 0.256 0.256 2004 0.410 0.410 2005 0.160 0.160 2006 0.155 0.155 2007 0.392 0.392 2008 0.307 0.307 2009 0.254 0.254 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #13 Rank Predeveloped Mitigated 1 0.4316 0.4316 2 0.4102 0.4102 3 0.4054 0.4054 4 0.3916 0.3916 Earlington - Conveyance 11/14/2017 17:05:37 Page 93 5 0.3452 0.3452 6 0.3302 0.3302 7 0.3074 0.3074 8 0.3073 0.3073 9 0.2889 0.2889 10 0.2802 0.2802 11 0.2697 0.2697 12 0.2586 0.2586 13 0.2562 0.2562 14 0.2536 0.2536 15 0.2498 0.2498 16 0.2447 0.2447 17 0.2434 0.2434 18 0.2407 0.2407 19 0.2401 0.2401 20 0.2384 0.2384 21 0.2261 0.2261 22 0.2213 0.2213 23 0.2184 0.2184 24 0.2153 0.2153 25 0.2126 0.2126 26 0.2067 0.2067 27 0.2038 0.2038 28 0.2011 0.2011 29 0.1915 0.1915 30 0.1910 0.1910 31 0.1902 0.1902 32 0.1890 0.1890 33 0.1883 0.1883 34 0.1883 0.1883 35 0.1853 0.1853 36 0.1852 0.1852 37 0.1849 0.1849 38 0.1787 0.1787 39 0.1722 0.1722 40 0.1713 0.1713 41 0.1691 0.1691 42 0.1689 0.1689 43 0.1685 0.1685 44 0.1670 0.1670 45 0.1641 0.1641 46 0.1625 0.1625 47 0.1618 0.1618 48 0.1603 0.1603 49 0.1595 0.1595 50 0.1579 0.1579 51 0.1575 0.1575 52 0.1545 0.1545 53 0.1535 0.1535 54 0.1522 0.1522 55 0.1448 0.1448 56 0.1443 0.1443 57 0.1432 0.1432 58 0.1404 0.1404 59 0.1353 0.1353 60 0.1288 0.1288 61 0.1255 0.1255 Earlington - Conveyance 11/14/2017 17:05:37 Page 94 Earlington - Conveyance 11/14/2017 17:05:37 Page 95 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.1000 1261 1261 100 Pass 0.1032 1146 1146 100 Pass 0.1064 1045 1045 100 Pass 0.1095 957 957 100 Pass 0.1127 863 863 100 Pass 0.1159 786 786 100 Pass 0.1190 690 690 100 Pass 0.1222 614 614 100 Pass 0.1254 567 567 100 Pass 0.1285 527 527 100 Pass 0.1317 489 489 100 Pass 0.1348 454 454 100 Pass 0.1380 413 413 100 Pass 0.1412 388 388 100 Pass 0.1443 366 366 100 Pass 0.1475 333 333 100 Pass 0.1507 314 314 100 Pass 0.1538 287 287 100 Pass 0.1570 260 260 100 Pass 0.1601 237 237 100 Pass 0.1633 219 219 100 Pass 0.1665 204 204 100 Pass 0.1696 190 190 100 Pass 0.1728 175 175 100 Pass 0.1760 168 168 100 Pass 0.1791 155 155 100 Pass 0.1823 150 150 100 Pass 0.1855 144 144 100 Pass 0.1886 135 135 100 Pass 0.1918 124 124 100 Pass 0.1949 119 119 100 Pass 0.1981 111 111 100 Pass 0.2013 110 110 100 Pass 0.2044 103 103 100 Pass 0.2076 98 98 100 Pass 0.2108 95 95 100 Pass 0.2139 89 89 100 Pass 0.2171 83 83 100 Pass 0.2202 75 75 100 Pass 0.2234 70 70 100 Pass 0.2266 64 64 100 Pass 0.2297 61 61 100 Pass 0.2329 58 58 100 Pass 0.2361 54 54 100 Pass 0.2392 52 52 100 Pass 0.2424 47 47 100 Pass 0.2455 44 44 100 Pass 0.2487 40 40 100 Pass 0.2519 39 39 100 Pass 0.2550 36 36 100 Pass 0.2582 32 32 100 Pass 0.2614 29 29 100 Pass 0.2645 27 27 100 Pass Earlington - Conveyance 11/14/2017 17:05:37 Page 96 0.2677 26 26 100 Pass 0.2709 23 23 100 Pass 0.2740 23 23 100 Pass 0.2772 23 23 100 Pass 0.2803 23 23 100 Pass 0.2835 21 21 100 Pass 0.2867 20 20 100 Pass 0.2898 19 19 100 Pass 0.2930 18 18 100 Pass 0.2962 17 17 100 Pass 0.2993 17 17 100 Pass 0.3025 17 17 100 Pass 0.3056 17 17 100 Pass 0.3088 15 15 100 Pass 0.3120 15 15 100 Pass 0.3151 14 14 100 Pass 0.3183 14 14 100 Pass 0.3215 14 14 100 Pass 0.3246 14 14 100 Pass 0.3278 12 12 100 Pass 0.3310 11 11 100 Pass 0.3341 9 9 100 Pass 0.3373 9 9 100 Pass 0.3404 9 9 100 Pass 0.3436 8 8 100 Pass 0.3468 6 6 100 Pass 0.3499 6 6 100 Pass 0.3531 6 6 100 Pass 0.3563 5 5 100 Pass 0.3594 5 5 100 Pass 0.3626 5 5 100 Pass 0.3657 5 5 100 Pass 0.3689 5 5 100 Pass 0.3721 5 5 100 Pass 0.3752 5 5 100 Pass 0.3784 4 4 100 Pass 0.3816 4 4 100 Pass 0.3847 4 4 100 Pass 0.3879 4 4 100 Pass 0.3911 4 4 100 Pass 0.3942 3 3 100 Pass 0.3974 3 3 100 Pass 0.4005 3 3 100 Pass 0.4037 3 3 100 Pass 0.4069 2 2 100 Pass 0.4100 2 2 100 Pass 0.4132 1 1 100 Pass Earlington - Conveyance 11/14/2017 17:05:37 Page 97 Water Quality Water Quality BMP Flow and Volume for POC #13 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:05:37 Page 98 LID Report Earlington - Conveyance 11/14/2017 17:05:37 Page 99 POC 14 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #14 Total Pervious Area:0.15 Total Impervious Area:0.22 Mitigated Landuse Totals for POC #14 Total Pervious Area:0.15 Total Impervious Area:0.22 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #14 Return Period Flow(cfs) 2 year 0.108854 5 year 0.142195 10 year 0.165922 25 year 0.197852 50 year 0.223099 100 year 0.249633 Flow Frequency Return Periods for Mitigated. POC #14 Return Period Flow(cfs) 2 year 0.108854 5 year 0.142195 10 year 0.165922 25 year 0.197852 50 year 0.223099 100 year 0.249633 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #14 Year Predeveloped Mitigated 1949 0.151 0.151 1950 0.134 0.134 1951 0.089 0.089 1952 0.069 0.069 1953 0.079 0.079 1954 0.088 0.088 1955 0.103 0.103 1956 0.089 0.089 1957 0.109 0.109 1958 0.086 0.086 1959 0.088 0.088 Earlington - Conveyance 11/14/2017 17:06:14 Page 100 1960 0.100 0.100 1961 0.092 0.092 1962 0.074 0.074 1963 0.097 0.097 1964 0.086 0.086 1965 0.112 0.112 1966 0.077 0.077 1967 0.139 0.139 1968 0.167 0.167 1969 0.102 0.102 1970 0.101 0.101 1971 0.123 0.123 1972 0.129 0.129 1973 0.071 0.071 1974 0.118 0.118 1975 0.110 0.110 1976 0.093 0.093 1977 0.091 0.091 1978 0.122 0.122 1979 0.148 0.148 1980 0.186 0.186 1981 0.104 0.104 1982 0.157 0.157 1983 0.118 0.118 1984 0.079 0.079 1985 0.101 0.101 1986 0.091 0.091 1987 0.132 0.132 1988 0.084 0.084 1989 0.132 0.132 1990 0.217 0.217 1991 0.178 0.178 1992 0.083 0.083 1993 0.093 0.093 1994 0.080 0.080 1995 0.093 0.093 1996 0.132 0.132 1997 0.103 0.103 1998 0.102 0.102 1999 0.234 0.234 2000 0.104 0.104 2001 0.117 0.117 2002 0.135 0.135 2003 0.139 0.139 2004 0.222 0.222 2005 0.086 0.086 2006 0.084 0.084 2007 0.212 0.212 2008 0.165 0.165 2009 0.139 0.139 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #14 Rank Predeveloped Mitigated 1 0.2335 0.2335 2 0.2223 0.2223 3 0.2168 0.2168 4 0.2120 0.2120 Earlington - Conveyance 11/14/2017 17:06:14 Page 101 5 0.1862 0.1862 6 0.1776 0.1776 7 0.1673 0.1673 8 0.1651 0.1651 9 0.1566 0.1566 10 0.1513 0.1513 11 0.1480 0.1480 12 0.1394 0.1394 13 0.1393 0.1393 14 0.1386 0.1386 15 0.1354 0.1354 16 0.1336 0.1336 17 0.1321 0.1321 18 0.1318 0.1318 19 0.1316 0.1316 20 0.1290 0.1290 21 0.1229 0.1229 22 0.1216 0.1216 23 0.1183 0.1183 24 0.1177 0.1177 25 0.1165 0.1165 26 0.1118 0.1118 27 0.1102 0.1102 28 0.1089 0.1089 29 0.1040 0.1040 30 0.1039 0.1039 31 0.1029 0.1029 32 0.1027 0.1027 33 0.1023 0.1023 34 0.1023 0.1023 35 0.1008 0.1008 36 0.1007 0.1007 37 0.1003 0.1003 38 0.0970 0.0970 39 0.0935 0.0935 40 0.0934 0.0934 41 0.0925 0.0925 42 0.0919 0.0919 43 0.0915 0.0915 44 0.0908 0.0908 45 0.0887 0.0887 46 0.0885 0.0885 47 0.0884 0.0884 48 0.0882 0.0882 49 0.0864 0.0864 50 0.0864 0.0864 51 0.0862 0.0862 52 0.0844 0.0844 53 0.0835 0.0835 54 0.0826 0.0826 55 0.0796 0.0796 56 0.0786 0.0786 57 0.0785 0.0785 58 0.0765 0.0765 59 0.0740 0.0740 60 0.0709 0.0709 61 0.0685 0.0685 Earlington - Conveyance 11/14/2017 17:06:14 Page 102 Earlington - Conveyance 11/14/2017 17:06:14 Page 103 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0544 1272 1272 100 Pass 0.0561 1149 1149 100 Pass 0.0578 1045 1045 100 Pass 0.0595 946 946 100 Pass 0.0612 862 862 100 Pass 0.0629 773 773 100 Pass 0.0646 697 697 100 Pass 0.0664 621 621 100 Pass 0.0681 567 567 100 Pass 0.0698 524 524 100 Pass 0.0715 487 487 100 Pass 0.0732 448 448 100 Pass 0.0749 421 421 100 Pass 0.0766 390 390 100 Pass 0.0783 367 367 100 Pass 0.0800 332 332 100 Pass 0.0817 308 308 100 Pass 0.0834 280 280 100 Pass 0.0851 259 259 100 Pass 0.0868 240 240 100 Pass 0.0885 221 221 100 Pass 0.0902 206 206 100 Pass 0.0919 192 192 100 Pass 0.0936 177 177 100 Pass 0.0953 168 168 100 Pass 0.0970 158 158 100 Pass 0.0987 151 151 100 Pass 0.1004 144 144 100 Pass 0.1021 135 135 100 Pass 0.1038 125 125 100 Pass 0.1055 121 121 100 Pass 0.1072 115 115 100 Pass 0.1089 109 109 100 Pass 0.1107 102 102 100 Pass 0.1124 98 98 100 Pass 0.1141 94 94 100 Pass 0.1158 89 89 100 Pass 0.1175 85 85 100 Pass 0.1192 76 76 100 Pass 0.1209 71 71 100 Pass 0.1226 66 66 100 Pass 0.1243 61 61 100 Pass 0.1260 57 57 100 Pass 0.1277 55 55 100 Pass 0.1294 52 52 100 Pass 0.1311 49 49 100 Pass 0.1328 44 44 100 Pass 0.1345 41 41 100 Pass 0.1362 39 39 100 Pass 0.1379 37 37 100 Pass 0.1396 32 32 100 Pass 0.1413 28 28 100 Pass 0.1430 26 26 100 Pass Earlington - Conveyance 11/14/2017 17:06:14 Page 104 0.1447 26 26 100 Pass 0.1464 24 24 100 Pass 0.1481 23 23 100 Pass 0.1498 23 23 100 Pass 0.1515 22 22 100 Pass 0.1532 20 20 100 Pass 0.1549 20 20 100 Pass 0.1567 19 19 100 Pass 0.1584 17 17 100 Pass 0.1601 17 17 100 Pass 0.1618 17 17 100 Pass 0.1635 17 17 100 Pass 0.1652 17 17 100 Pass 0.1669 16 16 100 Pass 0.1686 15 15 100 Pass 0.1703 15 15 100 Pass 0.1720 14 14 100 Pass 0.1737 14 14 100 Pass 0.1754 13 13 100 Pass 0.1771 12 12 100 Pass 0.1788 9 9 100 Pass 0.1805 9 9 100 Pass 0.1822 9 9 100 Pass 0.1839 8 8 100 Pass 0.1856 8 8 100 Pass 0.1873 6 6 100 Pass 0.1890 6 6 100 Pass 0.1907 6 6 100 Pass 0.1924 5 5 100 Pass 0.1941 5 5 100 Pass 0.1958 5 5 100 Pass 0.1975 5 5 100 Pass 0.1992 5 5 100 Pass 0.2010 5 5 100 Pass 0.2027 4 4 100 Pass 0.2044 4 4 100 Pass 0.2061 4 4 100 Pass 0.2078 4 4 100 Pass 0.2095 4 4 100 Pass 0.2112 4 4 100 Pass 0.2129 3 3 100 Pass 0.2146 3 3 100 Pass 0.2163 3 3 100 Pass 0.2180 2 2 100 Pass 0.2197 2 2 100 Pass 0.2214 2 2 100 Pass 0.2231 1 1 100 Pass Earlington - Conveyance 11/14/2017 17:06:14 Page 105 Water Quality Water Quality BMP Flow and Volume for POC #14 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:06:14 Page 106 LID Report Earlington - Conveyance 11/14/2017 17:06:14 Page 107 POC 15 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #15 Total Pervious Area:0.13 Total Impervious Area:0.17 Mitigated Landuse Totals for POC #15 Total Pervious Area:0.13 Total Impervious Area:0.17 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #15 Return Period Flow(cfs) 2 year 0.085243 5 year 0.111735 10 year 0.130639 25 year 0.156132 50 year 0.176327 100 year 0.197584 Flow Frequency Return Periods for Mitigated. POC #15 Return Period Flow(cfs) 2 year 0.085243 5 year 0.111735 10 year 0.130639 25 year 0.156132 50 year 0.176327 100 year 0.197584 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #15 Year Predeveloped Mitigated 1949 0.120 0.120 1950 0.104 0.104 1951 0.070 0.070 1952 0.053 0.053 1953 0.061 0.061 1954 0.069 0.069 1955 0.080 0.080 1956 0.069 0.069 1957 0.086 0.086 1958 0.067 0.067 1959 0.068 0.068 Earlington - Conveyance 11/14/2017 17:06:51 Page 108 1960 0.079 0.079 1961 0.072 0.072 1962 0.058 0.058 1963 0.076 0.076 1964 0.067 0.067 1965 0.088 0.088 1966 0.060 0.060 1967 0.110 0.110 1968 0.131 0.131 1969 0.081 0.081 1970 0.079 0.079 1971 0.096 0.096 1972 0.102 0.102 1973 0.055 0.055 1974 0.093 0.093 1975 0.087 0.087 1976 0.073 0.073 1977 0.071 0.071 1978 0.094 0.094 1979 0.115 0.115 1980 0.147 0.147 1981 0.081 0.081 1982 0.123 0.123 1983 0.092 0.092 1984 0.061 0.061 1985 0.079 0.079 1986 0.072 0.072 1987 0.102 0.102 1988 0.065 0.065 1989 0.102 0.102 1990 0.173 0.173 1991 0.141 0.141 1992 0.065 0.065 1993 0.072 0.072 1994 0.062 0.062 1995 0.073 0.073 1996 0.104 0.104 1997 0.081 0.081 1998 0.080 0.080 1999 0.184 0.184 2000 0.082 0.082 2001 0.090 0.090 2002 0.107 0.107 2003 0.109 0.109 2004 0.175 0.175 2005 0.068 0.068 2006 0.066 0.066 2007 0.167 0.167 2008 0.131 0.131 2009 0.108 0.108 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #15 Rank Predeveloped Mitigated 1 0.1841 0.1841 2 0.1749 0.1749 3 0.1733 0.1733 4 0.1670 0.1670 Earlington - Conveyance 11/14/2017 17:06:51 Page 109 5 0.1473 0.1473 6 0.1410 0.1410 7 0.1312 0.1312 8 0.1309 0.1309 9 0.1232 0.1232 10 0.1195 0.1195 11 0.1147 0.1147 12 0.1104 0.1104 13 0.1092 0.1092 14 0.1078 0.1078 15 0.1065 0.1065 16 0.1045 0.1045 17 0.1038 0.1038 18 0.1024 0.1024 19 0.1021 0.1021 20 0.1017 0.1017 21 0.0964 0.0964 22 0.0941 0.0941 23 0.0931 0.0931 24 0.0916 0.0916 25 0.0904 0.0904 26 0.0882 0.0882 27 0.0869 0.0869 28 0.0858 0.0858 29 0.0816 0.0816 30 0.0813 0.0813 31 0.0811 0.0811 32 0.0806 0.0806 33 0.0802 0.0802 34 0.0802 0.0802 35 0.0790 0.0790 36 0.0789 0.0789 37 0.0787 0.0787 38 0.0762 0.0762 39 0.0734 0.0734 40 0.0730 0.0730 41 0.0720 0.0720 42 0.0720 0.0720 43 0.0716 0.0716 44 0.0712 0.0712 45 0.0700 0.0700 46 0.0692 0.0692 47 0.0689 0.0689 48 0.0681 0.0681 49 0.0680 0.0680 50 0.0672 0.0672 51 0.0670 0.0670 52 0.0659 0.0659 53 0.0652 0.0652 54 0.0648 0.0648 55 0.0615 0.0615 56 0.0614 0.0614 57 0.0609 0.0609 58 0.0598 0.0598 59 0.0575 0.0575 60 0.0548 0.0548 61 0.0534 0.0534 Earlington - Conveyance 11/14/2017 17:06:51 Page 110 Earlington - Conveyance 11/14/2017 17:06:51 Page 111 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0426 1257 1257 100 Pass 0.0440 1137 1137 100 Pass 0.0453 1036 1036 100 Pass 0.0467 938 938 100 Pass 0.0480 841 841 100 Pass 0.0494 757 757 100 Pass 0.0507 689 689 100 Pass 0.0521 606 606 100 Pass 0.0534 560 560 100 Pass 0.0548 517 517 100 Pass 0.0561 481 481 100 Pass 0.0575 441 441 100 Pass 0.0588 413 413 100 Pass 0.0602 385 385 100 Pass 0.0615 360 360 100 Pass 0.0629 331 331 100 Pass 0.0642 308 308 100 Pass 0.0656 276 276 100 Pass 0.0669 255 255 100 Pass 0.0683 235 235 100 Pass 0.0696 217 217 100 Pass 0.0710 200 200 100 Pass 0.0723 187 187 100 Pass 0.0737 172 172 100 Pass 0.0750 166 166 100 Pass 0.0764 154 154 100 Pass 0.0777 150 150 100 Pass 0.0791 142 142 100 Pass 0.0804 132 132 100 Pass 0.0818 123 123 100 Pass 0.0831 118 118 100 Pass 0.0845 111 111 100 Pass 0.0858 109 109 100 Pass 0.0872 102 102 100 Pass 0.0885 98 98 100 Pass 0.0899 94 94 100 Pass 0.0912 87 87 100 Pass 0.0926 83 83 100 Pass 0.0939 75 75 100 Pass 0.0953 68 68 100 Pass 0.0966 63 63 100 Pass 0.0980 61 61 100 Pass 0.0993 58 58 100 Pass 0.1007 54 54 100 Pass 0.1020 52 52 100 Pass 0.1034 47 47 100 Pass 0.1047 44 44 100 Pass 0.1061 40 40 100 Pass 0.1074 39 39 100 Pass 0.1088 36 36 100 Pass 0.1101 32 32 100 Pass 0.1115 29 29 100 Pass 0.1129 27 27 100 Pass Earlington - Conveyance 11/14/2017 17:06:51 Page 112 0.1142 25 25 100 Pass 0.1156 23 23 100 Pass 0.1169 23 23 100 Pass 0.1183 23 23 100 Pass 0.1196 22 22 100 Pass 0.1210 21 21 100 Pass 0.1223 20 20 100 Pass 0.1237 19 19 100 Pass 0.1250 17 17 100 Pass 0.1264 17 17 100 Pass 0.1277 17 17 100 Pass 0.1291 17 17 100 Pass 0.1304 17 17 100 Pass 0.1318 15 15 100 Pass 0.1331 15 15 100 Pass 0.1345 14 14 100 Pass 0.1358 14 14 100 Pass 0.1372 14 14 100 Pass 0.1385 13 13 100 Pass 0.1399 12 12 100 Pass 0.1412 9 9 100 Pass 0.1426 9 9 100 Pass 0.1439 9 9 100 Pass 0.1453 9 9 100 Pass 0.1466 8 8 100 Pass 0.1480 6 6 100 Pass 0.1493 6 6 100 Pass 0.1507 6 6 100 Pass 0.1520 5 5 100 Pass 0.1534 5 5 100 Pass 0.1547 5 5 100 Pass 0.1561 5 5 100 Pass 0.1574 5 5 100 Pass 0.1588 5 5 100 Pass 0.1601 5 5 100 Pass 0.1615 4 4 100 Pass 0.1628 4 4 100 Pass 0.1642 4 4 100 Pass 0.1655 4 4 100 Pass 0.1669 4 4 100 Pass 0.1682 3 3 100 Pass 0.1696 3 3 100 Pass 0.1709 3 3 100 Pass 0.1723 3 3 100 Pass 0.1736 2 2 100 Pass 0.1750 1 1 100 Pass 0.1763 1 1 100 Pass Earlington - Conveyance 11/14/2017 17:06:51 Page 113 Water Quality Water Quality BMP Flow and Volume for POC #15 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:06:51 Page 114 LID Report Earlington - Conveyance 11/14/2017 17:06:51 Page 115 POC 16 POC #16 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:06:51 Page 116 POC 17 POC #17 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:06:51 Page 117 POC 18 POC #18 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:06:51 Page 118 POC 19 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #19 Total Pervious Area:0.32 Total Impervious Area:0.19 Mitigated Landuse Totals for POC #19 Total Pervious Area:0.32 Total Impervious Area:0.19 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #19 Return Period Flow(cfs) 2 year 0.111045 5 year 0.151315 10 year 0.180317 25 year 0.219702 50 year 0.251082 100 year 0.284254 Flow Frequency Return Periods for Mitigated. POC #19 Return Period Flow(cfs) 2 year 0.111045 5 year 0.151315 10 year 0.180317 25 year 0.219702 50 year 0.251082 100 year 0.284254 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #19 Year Predeveloped Mitigated 1949 0.166 0.166 1950 0.153 0.153 1951 0.096 0.096 1952 0.065 0.065 1953 0.071 0.071 1954 0.089 0.089 1955 0.100 0.100 1956 0.095 0.095 1957 0.116 0.116 1958 0.083 0.083 1959 0.076 0.076 Earlington - Conveyance 11/14/2017 17:07:27 Page 119 1960 0.108 0.108 1961 0.093 0.093 1962 0.069 0.069 1963 0.100 0.100 1964 0.089 0.089 1965 0.120 0.120 1966 0.075 0.075 1967 0.157 0.157 1968 0.166 0.166 1969 0.110 0.110 1970 0.102 0.102 1971 0.125 0.125 1972 0.142 0.142 1973 0.061 0.061 1974 0.124 0.124 1975 0.119 0.119 1976 0.096 0.096 1977 0.092 0.092 1978 0.118 0.118 1979 0.132 0.132 1980 0.208 0.208 1981 0.103 0.103 1982 0.170 0.170 1983 0.117 0.117 1984 0.077 0.077 1985 0.100 0.100 1986 0.097 0.097 1987 0.121 0.121 1988 0.073 0.073 1989 0.114 0.114 1990 0.266 0.266 1991 0.205 0.205 1992 0.085 0.085 1993 0.082 0.082 1994 0.069 0.069 1995 0.092 0.092 1996 0.149 0.149 1997 0.111 0.111 1998 0.105 0.105 1999 0.250 0.250 2000 0.107 0.107 2001 0.105 0.105 2002 0.147 0.147 2003 0.149 0.149 2004 0.233 0.233 2005 0.092 0.092 2006 0.091 0.091 2007 0.247 0.247 2008 0.192 0.192 2009 0.129 0.129 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #19 Rank Predeveloped Mitigated 1 0.2661 0.2661 2 0.2504 0.2504 3 0.2475 0.2475 4 0.2335 0.2335 Earlington - Conveyance 11/14/2017 17:07:28 Page 120 5 0.2076 0.2076 6 0.2048 0.2048 7 0.1918 0.1918 8 0.1702 0.1702 9 0.1664 0.1664 10 0.1659 0.1659 11 0.1573 0.1573 12 0.1531 0.1531 13 0.1493 0.1493 14 0.1485 0.1485 15 0.1467 0.1467 16 0.1422 0.1422 17 0.1324 0.1324 18 0.1289 0.1289 19 0.1248 0.1248 20 0.1244 0.1244 21 0.1212 0.1212 22 0.1204 0.1204 23 0.1193 0.1193 24 0.1179 0.1179 25 0.1167 0.1167 26 0.1160 0.1160 27 0.1141 0.1141 28 0.1109 0.1109 29 0.1095 0.1095 30 0.1075 0.1075 31 0.1074 0.1074 32 0.1055 0.1055 33 0.1049 0.1049 34 0.1032 0.1032 35 0.1018 0.1018 36 0.1003 0.1003 37 0.1001 0.1001 38 0.1001 0.1001 39 0.0972 0.0972 40 0.0964 0.0964 41 0.0961 0.0961 42 0.0947 0.0947 43 0.0929 0.0929 44 0.0920 0.0920 45 0.0916 0.0916 46 0.0915 0.0915 47 0.0907 0.0907 48 0.0894 0.0894 49 0.0892 0.0892 50 0.0849 0.0849 51 0.0829 0.0829 52 0.0817 0.0817 53 0.0769 0.0769 54 0.0763 0.0763 55 0.0752 0.0752 56 0.0730 0.0730 57 0.0706 0.0706 58 0.0688 0.0688 59 0.0688 0.0688 60 0.0654 0.0654 61 0.0613 0.0613 Earlington - Conveyance 11/14/2017 17:07:28 Page 121 Earlington - Conveyance 11/14/2017 17:07:28 Page 122 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.0555 1096 1096 100 Pass 0.0575 966 966 100 Pass 0.0595 864 864 100 Pass 0.0614 775 775 100 Pass 0.0634 696 696 100 Pass 0.0654 625 625 100 Pass 0.0674 566 566 100 Pass 0.0693 530 530 100 Pass 0.0713 480 480 100 Pass 0.0733 433 433 100 Pass 0.0753 401 401 100 Pass 0.0773 375 375 100 Pass 0.0792 344 344 100 Pass 0.0812 330 330 100 Pass 0.0832 297 297 100 Pass 0.0852 273 273 100 Pass 0.0871 242 242 100 Pass 0.0891 223 223 100 Pass 0.0911 209 209 100 Pass 0.0931 194 194 100 Pass 0.0950 175 175 100 Pass 0.0970 167 167 100 Pass 0.0990 159 159 100 Pass 0.1010 150 150 100 Pass 0.1029 142 142 100 Pass 0.1049 132 132 100 Pass 0.1069 123 123 100 Pass 0.1089 116 116 100 Pass 0.1108 111 111 100 Pass 0.1128 102 102 100 Pass 0.1148 100 100 100 Pass 0.1168 97 97 100 Pass 0.1187 94 94 100 Pass 0.1207 87 87 100 Pass 0.1227 82 82 100 Pass 0.1247 77 77 100 Pass 0.1266 66 66 100 Pass 0.1286 63 63 100 Pass 0.1306 58 58 100 Pass 0.1326 56 56 100 Pass 0.1345 56 56 100 Pass 0.1365 55 55 100 Pass 0.1385 50 50 100 Pass 0.1405 48 48 100 Pass 0.1424 46 46 100 Pass 0.1444 42 42 100 Pass 0.1464 40 40 100 Pass 0.1484 36 36 100 Pass 0.1503 32 32 100 Pass 0.1523 30 30 100 Pass 0.1543 28 28 100 Pass 0.1563 27 27 100 Pass 0.1582 26 26 100 Pass Earlington - Conveyance 11/14/2017 17:07:28 Page 123 0.1602 25 25 100 Pass 0.1622 25 25 100 Pass 0.1642 24 24 100 Pass 0.1661 22 22 100 Pass 0.1681 21 21 100 Pass 0.1701 20 20 100 Pass 0.1721 18 18 100 Pass 0.1740 18 18 100 Pass 0.1760 18 18 100 Pass 0.1780 18 18 100 Pass 0.1800 17 17 100 Pass 0.1819 15 15 100 Pass 0.1839 14 14 100 Pass 0.1859 14 14 100 Pass 0.1879 14 14 100 Pass 0.1898 14 14 100 Pass 0.1918 13 13 100 Pass 0.1938 12 12 100 Pass 0.1958 12 12 100 Pass 0.1977 12 12 100 Pass 0.1997 12 12 100 Pass 0.2017 12 12 100 Pass 0.2037 11 11 100 Pass 0.2056 9 9 100 Pass 0.2076 9 9 100 Pass 0.2096 8 8 100 Pass 0.2116 8 8 100 Pass 0.2136 7 7 100 Pass 0.2155 7 7 100 Pass 0.2175 7 7 100 Pass 0.2195 5 5 100 Pass 0.2215 5 5 100 Pass 0.2234 5 5 100 Pass 0.2254 5 5 100 Pass 0.2274 4 4 100 Pass 0.2294 4 4 100 Pass 0.2313 4 4 100 Pass 0.2333 4 4 100 Pass 0.2353 3 3 100 Pass 0.2373 3 3 100 Pass 0.2392 3 3 100 Pass 0.2412 3 3 100 Pass 0.2432 3 3 100 Pass 0.2452 3 3 100 Pass 0.2471 3 3 100 Pass 0.2491 2 2 100 Pass 0.2511 1 1 100 Pass Earlington - Conveyance 11/14/2017 17:07:28 Page 124 Water Quality Water Quality BMP Flow and Volume for POC #19 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:07:28 Page 125 LID Report Earlington - Conveyance 11/14/2017 17:07:28 Page 126 POC 20 POC #20 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 127 POC 21 POC #21 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 128 POC 22 POC #22 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 129 POC 23 POC #23 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 130 POC 24 POC #24 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 131 POC 25 POC #25 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 132 POC 26 POC #26 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 133 POC 27 POC #27 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 134 POC 28 POC #28 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 135 POC 29 POC #29 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Conveyance 11/14/2017 17:07:28 Page 136 POC 30 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #30 Total Pervious Area:2.15 Total Impervious Area:0.34 Mitigated Landuse Totals for POC #30 Total Pervious Area:2.15 Total Impervious Area:0.34 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #30 Return Period Flow(cfs) 2 year 0.343169 5 year 0.527039 10 year 0.665845 25 year 0.860609 50 year 1.019868 100 year 1.191384 Flow Frequency Return Periods for Mitigated. POC #30 Return Period Flow(cfs) 2 year 0.343169 5 year 0.527039 10 year 0.665845 25 year 0.860609 50 year 1.019868 100 year 1.191384 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #30 Year Predeveloped Mitigated 1949 0.589 0.589 1950 0.602 0.602 1951 0.333 0.333 1952 0.180 0.180 1953 0.162 0.162 1954 0.266 0.266 1955 0.276 0.276 1956 0.329 0.329 1957 0.390 0.390 1958 0.233 0.233 1959 0.208 0.208 Earlington - Conveyance 11/14/2017 17:08:02 Page 137 1960 0.366 0.366 1961 0.281 0.281 1962 0.163 0.163 1963 0.314 0.314 1964 0.298 0.298 1965 0.413 0.413 1966 0.210 0.210 1967 0.587 0.587 1968 0.479 0.479 1969 0.371 0.371 1970 0.305 0.305 1971 0.379 0.379 1972 0.535 0.535 1973 0.157 0.157 1974 0.406 0.406 1975 0.413 0.413 1976 0.302 0.302 1977 0.273 0.273 1978 0.346 0.346 1979 0.275 0.275 1980 0.759 0.759 1981 0.296 0.296 1982 0.625 0.625 1983 0.383 0.383 1984 0.216 0.216 1985 0.294 0.294 1986 0.325 0.325 1987 0.332 0.332 1988 0.147 0.147 1989 0.205 0.205 1990 1.129 1.129 1991 0.793 0.793 1992 0.264 0.264 1993 0.161 0.161 1994 0.125 0.125 1995 0.254 0.254 1996 0.574 0.574 1997 0.381 0.381 1998 0.326 0.326 1999 0.885 0.885 2000 0.339 0.339 2001 0.229 0.229 2002 0.527 0.527 2003 0.504 0.504 2004 0.761 0.761 2005 0.308 0.308 2006 0.316 0.316 2007 1.054 1.054 2008 0.750 0.750 2009 0.439 0.439 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #30 Rank Predeveloped Mitigated 1 1.1293 1.1293 2 1.0539 1.0539 3 0.8846 0.8846 4 0.7928 0.7928 Earlington - Conveyance 11/14/2017 17:08:02 Page 138 5 0.7612 0.7612 6 0.7591 0.7591 7 0.7503 0.7503 8 0.6249 0.6249 9 0.6021 0.6021 10 0.5886 0.5886 11 0.5874 0.5874 12 0.5736 0.5736 13 0.5352 0.5352 14 0.5269 0.5269 15 0.5043 0.5043 16 0.4794 0.4794 17 0.4391 0.4391 18 0.4132 0.4132 19 0.4130 0.4130 20 0.4062 0.4062 21 0.3899 0.3899 22 0.3830 0.3830 23 0.3812 0.3812 24 0.3789 0.3789 25 0.3714 0.3714 26 0.3655 0.3655 27 0.3462 0.3462 28 0.3386 0.3386 29 0.3327 0.3327 30 0.3325 0.3325 31 0.3286 0.3286 32 0.3256 0.3256 33 0.3245 0.3245 34 0.3162 0.3162 35 0.3143 0.3143 36 0.3084 0.3084 37 0.3053 0.3053 38 0.3023 0.3023 39 0.2983 0.2983 40 0.2959 0.2959 41 0.2937 0.2937 42 0.2809 0.2809 43 0.2755 0.2755 44 0.2748 0.2748 45 0.2733 0.2733 46 0.2659 0.2659 47 0.2636 0.2636 48 0.2538 0.2538 49 0.2326 0.2326 50 0.2288 0.2288 51 0.2157 0.2157 52 0.2097 0.2097 53 0.2083 0.2083 54 0.2047 0.2047 55 0.1797 0.1797 56 0.1632 0.1632 57 0.1621 0.1621 58 0.1613 0.1613 59 0.1566 0.1566 60 0.1468 0.1468 61 0.1252 0.1252 Earlington - Conveyance 11/14/2017 17:08:02 Page 139 Earlington - Conveyance 11/14/2017 17:08:02 Page 140 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.1716 968 968 100 Pass 0.1802 839 839 100 Pass 0.1887 742 742 100 Pass 0.1973 625 625 100 Pass 0.2059 548 548 100 Pass 0.2144 477 477 100 Pass 0.2230 424 424 100 Pass 0.2316 384 384 100 Pass 0.2401 346 346 100 Pass 0.2487 314 314 100 Pass 0.2573 286 286 100 Pass 0.2658 259 259 100 Pass 0.2744 242 242 100 Pass 0.2830 221 221 100 Pass 0.2915 201 201 100 Pass 0.3001 182 182 100 Pass 0.3087 171 171 100 Pass 0.3172 156 156 100 Pass 0.3258 146 146 100 Pass 0.3344 129 129 100 Pass 0.3430 119 119 100 Pass 0.3515 115 115 100 Pass 0.3601 108 108 100 Pass 0.3687 103 103 100 Pass 0.3772 94 94 100 Pass 0.3858 86 86 100 Pass 0.3944 83 83 100 Pass 0.4029 79 79 100 Pass 0.4115 75 75 100 Pass 0.4201 71 71 100 Pass 0.4286 68 68 100 Pass 0.4372 67 67 100 Pass 0.4458 63 63 100 Pass 0.4543 61 61 100 Pass 0.4629 57 57 100 Pass 0.4715 52 52 100 Pass 0.4801 48 48 100 Pass 0.4886 47 47 100 Pass 0.4972 45 45 100 Pass 0.5058 43 43 100 Pass 0.5143 43 43 100 Pass 0.5229 42 42 100 Pass 0.5315 39 39 100 Pass 0.5400 36 36 100 Pass 0.5486 36 36 100 Pass 0.5572 33 33 100 Pass 0.5657 32 32 100 Pass 0.5743 29 29 100 Pass 0.5829 28 28 100 Pass 0.5914 24 24 100 Pass 0.6000 23 23 100 Pass 0.6086 21 21 100 Pass 0.6171 19 19 100 Pass Earlington - Conveyance 11/14/2017 17:08:02 Page 141 0.6257 18 18 100 Pass 0.6343 18 18 100 Pass 0.6429 17 17 100 Pass 0.6514 17 17 100 Pass 0.6600 17 17 100 Pass 0.6686 16 16 100 Pass 0.6771 16 16 100 Pass 0.6857 16 16 100 Pass 0.6943 15 15 100 Pass 0.7028 14 14 100 Pass 0.7114 14 14 100 Pass 0.7200 13 13 100 Pass 0.7285 13 13 100 Pass 0.7371 12 12 100 Pass 0.7457 12 12 100 Pass 0.7542 11 11 100 Pass 0.7628 8 8 100 Pass 0.7714 7 7 100 Pass 0.7799 7 7 100 Pass 0.7885 7 7 100 Pass 0.7971 6 6 100 Pass 0.8057 6 6 100 Pass 0.8142 6 6 100 Pass 0.8228 6 6 100 Pass 0.8314 5 5 100 Pass 0.8399 5 5 100 Pass 0.8485 5 5 100 Pass 0.8571 4 4 100 Pass 0.8656 4 4 100 Pass 0.8742 4 4 100 Pass 0.8828 4 4 100 Pass 0.8913 3 3 100 Pass 0.8999 2 2 100 Pass 0.9085 2 2 100 Pass 0.9170 2 2 100 Pass 0.9256 2 2 100 Pass 0.9342 2 2 100 Pass 0.9428 2 2 100 Pass 0.9513 2 2 100 Pass 0.9599 2 2 100 Pass 0.9685 2 2 100 Pass 0.9770 2 2 100 Pass 0.9856 2 2 100 Pass 0.9942 2 2 100 Pass 1.0027 2 2 100 Pass 1.0113 2 2 100 Pass 1.0199 2 2 100 Pass Earlington - Conveyance 11/14/2017 17:08:02 Page 142 Water Quality Water Quality BMP Flow and Volume for POC #30 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington - Conveyance 11/14/2017 17:08:02 Page 143 LID Report Earlington - Conveyance 11/14/2017 17:08:02 Page 144 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. Earlington - Conveyance 11/14/2017 17:08:02 Page 145 Appendix Predeveloped Schematic Earlington - Conveyance 11/14/2017 17:08:02 Page 146 Mitigated Schematic Earlington - Conveyance 11/14/2017 17:08:02 Page 147 Predeveloped 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 Earlington - Conveyance.wdm MESSU 25 PreEarlington - Conveyance.MES 27 PreEarlington - Conveyance.L61 28 PreEarlington - Conveyance.L62 30 POCEarlington - Conveyance1.dat 31 POCEarlington - Conveyance2.dat 34 POCEarlington - Conveyance5.dat 35 POCEarlington - Conveyance6.dat 39 POCEarlington - Conveyance10.dat 40 POCEarlington - Conveyance11.dat 37 POCEarlington - Conveyance8.dat 42 POCEarlington - Conveyance13.dat 43 POCEarlington - Conveyance14.dat 44 POCEarlington - Conveyance15.dat 48 POCEarlington - Conveyance19.dat 59 POCEarlington - Conveyance30.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 IMPLND 2 PERLND 17 COPY 501 COPY 502 COPY 505 COPY 506 COPY 510 COPY 511 COPY 508 COPY 513 COPY 514 COPY 515 COPY 519 COPY 530 DISPLY 1 DISPLY 2 DISPLY 5 DISPLY 6 DISPLY 10 DISPLY 11 DISPLY 8 DISPLY 13 DISPLY 14 DISPLY 15 DISPLY 19 DISPLY 30 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 CB 1 MAX 1 2 30 9 2 CB 2 MAX 1 2 31 9 5 CB 5 MAX 1 2 34 9 6 CB 6 MAX 1 2 35 9 10 CB 10 MAX 1 2 39 9 Earlington - Conveyance 11/14/2017 17:08:02 Page 148 11 CB 11 MAX 1 2 40 9 8 CB 8 MAX 1 2 37 9 13 CB 13 MAX 1 2 42 9 14 CB 14 MAX 1 2 43 9 15 CB 15 MAX 1 2 44 9 19 CB 19 MAX 1 2 48 9 30 EX CB 100 MAX 1 2 59 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 502 1 1 505 1 1 506 1 1 510 1 1 511 1 1 508 1 1 513 1 1 514 1 1 515 1 1 519 1 1 530 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 *** 17 C, Lawn, Mod 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 *** 17 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 ********* 17 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 *** 17 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 17 0 4.5 0.03 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** Earlington - Conveyance 11/14/2017 17:08:02 Page 149 # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 17 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 17 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 17 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 *** 2 ROADS/MOD 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 2 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 2 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 *** 2 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 2 400 0.05 0.1 0.08 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 2 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 2 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** CB 1*** IMPLND 2 0.12 COPY 501 15 Earlington - Conveyance 11/14/2017 17:08:02 Page 150 CB 2*** PERLND 17 0.27 COPY 502 12 PERLND 17 0.27 COPY 502 13 IMPLND 2 0.3 COPY 502 15 CB 5*** PERLND 17 0.14 COPY 505 12 PERLND 17 0.14 COPY 505 13 IMPLND 2 0.38 COPY 505 15 CB 6*** PERLND 17 0.04 COPY 506 12 PERLND 17 0.04 COPY 506 13 IMPLND 2 0.14 COPY 506 15 CB 10*** PERLND 17 0.17 COPY 510 12 PERLND 17 0.17 COPY 510 13 IMPLND 2 0.35 COPY 510 15 CB 11*** PERLND 17 0.12 COPY 511 12 PERLND 17 0.12 COPY 511 13 IMPLND 2 0.37 COPY 511 15 CB 8*** IMPLND 2 0.25 COPY 508 15 CB 13*** PERLND 17 0.3 COPY 513 12 PERLND 17 0.3 COPY 513 13 IMPLND 2 0.4 COPY 513 15 CB 14*** PERLND 17 0.15 COPY 514 12 PERLND 17 0.15 COPY 514 13 IMPLND 2 0.22 COPY 514 15 CB 15*** PERLND 17 0.13 COPY 515 12 PERLND 17 0.13 COPY 515 13 IMPLND 2 0.17 COPY 515 15 CB 19*** PERLND 17 0.32 COPY 519 12 PERLND 17 0.32 COPY 519 13 IMPLND 2 0.19 COPY 519 15 EX CB 100*** PERLND 17 2.15 COPY 530 12 PERLND 17 2.15 COPY 530 13 IMPLND 2 0.34 COPY 530 15 ******Routing****** 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 COPY 502 OUTPUT MEAN 1 1 48.4 DISPLY 2 INPUT TIMSER 1 COPY 505 OUTPUT MEAN 1 1 48.4 DISPLY 5 INPUT TIMSER 1 COPY 506 OUTPUT MEAN 1 1 48.4 DISPLY 6 INPUT TIMSER 1 COPY 510 OUTPUT MEAN 1 1 48.4 DISPLY 10 INPUT TIMSER 1 COPY 511 OUTPUT MEAN 1 1 48.4 DISPLY 11 INPUT TIMSER 1 COPY 508 OUTPUT MEAN 1 1 48.4 DISPLY 8 INPUT TIMSER 1 COPY 513 OUTPUT MEAN 1 1 48.4 DISPLY 13 INPUT TIMSER 1 COPY 514 OUTPUT MEAN 1 1 48.4 DISPLY 14 INPUT TIMSER 1 COPY 515 OUTPUT MEAN 1 1 48.4 DISPLY 15 INPUT TIMSER 1 COPY 519 OUTPUT MEAN 1 1 48.4 DISPLY 19 INPUT TIMSER 1 COPY 530 OUTPUT MEAN 1 1 48.4 DISPLY 30 INPUT TIMSER 1 <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** END NETWORK RCHRES GEN-INFO Earlington - Conveyance 11/14/2017 17:08:02 Page 151 RCHRES Name Nexits Unit Systems Printer *** # - #<------------------><---> User T-series Engl Metr LKFG *** in out *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** COPY 501 OUTPUT MEAN 1 1 48.4 WDM 501 FLOW ENGL REPL COPY 502 OUTPUT MEAN 1 1 48.4 WDM 502 FLOW ENGL REPL COPY 505 OUTPUT MEAN 1 1 48.4 WDM 505 FLOW ENGL REPL COPY 506 OUTPUT MEAN 1 1 48.4 WDM 506 FLOW ENGL REPL COPY 510 OUTPUT MEAN 1 1 48.4 WDM 510 FLOW ENGL REPL COPY 511 OUTPUT MEAN 1 1 48.4 WDM 511 FLOW ENGL REPL COPY 508 OUTPUT MEAN 1 1 48.4 WDM 508 FLOW ENGL REPL COPY 513 OUTPUT MEAN 1 1 48.4 WDM 513 FLOW ENGL REPL COPY 514 OUTPUT MEAN 1 1 48.4 WDM 514 FLOW ENGL REPL COPY 515 OUTPUT MEAN 1 1 48.4 WDM 515 FLOW ENGL REPL COPY 519 OUTPUT MEAN 1 1 48.4 WDM 519 FLOW ENGL REPL COPY 530 OUTPUT MEAN 1 1 48.4 WDM 530 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** Earlington - Conveyance 11/14/2017 17:08:02 Page 152 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 END MASS-LINK END RUN Earlington - Conveyance 11/14/2017 17:08:02 Page 153 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 Earlington - Conveyance.wdm MESSU 25 MitEarlington - Conveyance.MES 27 MitEarlington - Conveyance.L61 28 MitEarlington - Conveyance.L62 30 POCEarlington - Conveyance1.dat 31 POCEarlington - Conveyance2.dat 34 POCEarlington - Conveyance5.dat 35 POCEarlington - Conveyance6.dat 39 POCEarlington - Conveyance10.dat 40 POCEarlington - Conveyance11.dat 37 POCEarlington - Conveyance8.dat 42 POCEarlington - Conveyance13.dat 43 POCEarlington - Conveyance14.dat 44 POCEarlington - Conveyance15.dat 48 POCEarlington - Conveyance19.dat 59 POCEarlington - Conveyance30.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 IMPLND 2 PERLND 17 COPY 501 COPY 502 COPY 505 COPY 506 COPY 510 COPY 511 COPY 508 COPY 513 COPY 514 COPY 515 COPY 519 COPY 530 DISPLY 1 DISPLY 2 DISPLY 5 DISPLY 6 DISPLY 10 DISPLY 11 DISPLY 8 DISPLY 13 DISPLY 14 DISPLY 15 DISPLY 19 DISPLY 30 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 CB 1 MAX 1 2 30 9 2 CB 2 MAX 1 2 31 9 5 CB 5 MAX 1 2 34 9 6 CB 6 MAX 1 2 35 9 10 CB 10 MAX 1 2 39 9 Earlington - Conveyance 11/14/2017 17:08:02 Page 154 11 CB 11 MAX 1 2 40 9 8 CB 8 MAX 1 2 37 9 13 CB 13 MAX 1 2 42 9 14 CB 14 MAX 1 2 43 9 15 CB 15 MAX 1 2 44 9 19 CB 19 MAX 1 2 48 9 30 EX CB 100 MAX 1 2 59 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 502 1 1 505 1 1 506 1 1 510 1 1 511 1 1 508 1 1 513 1 1 514 1 1 515 1 1 519 1 1 530 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 *** 17 C, Lawn, Mod 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 *** 17 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 ********* 17 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 *** 17 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 17 0 4.5 0.03 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** Earlington - Conveyance 11/14/2017 17:08:02 Page 155 # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 17 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 17 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 17 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 *** 2 ROADS/MOD 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 2 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 2 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 *** 2 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 2 400 0.05 0.1 0.08 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 2 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 2 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** CB 1*** IMPLND 2 0.12 COPY 501 15 Earlington - Conveyance 11/14/2017 17:08:02 Page 156 CB 2*** PERLND 17 0.27 COPY 502 12 PERLND 17 0.27 COPY 502 13 IMPLND 2 0.3 COPY 502 15 CB 5*** PERLND 17 0.14 COPY 505 12 PERLND 17 0.14 COPY 505 13 IMPLND 2 0.38 COPY 505 15 CB 6*** PERLND 17 0.04 COPY 506 12 PERLND 17 0.04 COPY 506 13 IMPLND 2 0.14 COPY 506 15 CB 10*** PERLND 17 0.17 COPY 510 12 PERLND 17 0.17 COPY 510 13 IMPLND 2 0.35 COPY 510 15 CB 11*** PERLND 17 0.12 COPY 511 12 PERLND 17 0.12 COPY 511 13 IMPLND 2 0.37 COPY 511 15 CB 8*** IMPLND 2 0.25 COPY 508 15 CB 13*** PERLND 17 0.3 COPY 513 12 PERLND 17 0.3 COPY 513 13 IMPLND 2 0.4 COPY 513 15 CB 14*** PERLND 17 0.15 COPY 514 12 PERLND 17 0.15 COPY 514 13 IMPLND 2 0.22 COPY 514 15 CB 15*** PERLND 17 0.13 COPY 515 12 PERLND 17 0.13 COPY 515 13 IMPLND 2 0.17 COPY 515 15 CB 19*** PERLND 17 0.32 COPY 519 12 PERLND 17 0.32 COPY 519 13 IMPLND 2 0.19 COPY 519 15 EX CB 100*** PERLND 17 2.15 COPY 530 12 PERLND 17 2.15 COPY 530 13 IMPLND 2 0.34 COPY 530 15 ******Routing****** 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 COPY 502 OUTPUT MEAN 1 1 48.4 DISPLY 2 INPUT TIMSER 1 COPY 505 OUTPUT MEAN 1 1 48.4 DISPLY 5 INPUT TIMSER 1 COPY 506 OUTPUT MEAN 1 1 48.4 DISPLY 6 INPUT TIMSER 1 COPY 510 OUTPUT MEAN 1 1 48.4 DISPLY 10 INPUT TIMSER 1 COPY 511 OUTPUT MEAN 1 1 48.4 DISPLY 11 INPUT TIMSER 1 COPY 508 OUTPUT MEAN 1 1 48.4 DISPLY 8 INPUT TIMSER 1 COPY 513 OUTPUT MEAN 1 1 48.4 DISPLY 13 INPUT TIMSER 1 COPY 514 OUTPUT MEAN 1 1 48.4 DISPLY 14 INPUT TIMSER 1 COPY 515 OUTPUT MEAN 1 1 48.4 DISPLY 15 INPUT TIMSER 1 COPY 519 OUTPUT MEAN 1 1 48.4 DISPLY 19 INPUT TIMSER 1 COPY 530 OUTPUT MEAN 1 1 48.4 DISPLY 30 INPUT TIMSER 1 <-Volume-> <-Grp> <-Member-><--Mult-->Tran <-Target vols> <-Grp> <-Member-> *** <Name> # <Name> # #<-factor->strg <Name> # # <Name> # # *** END NETWORK RCHRES GEN-INFO Earlington - Conveyance 11/14/2017 17:08:02 Page 157 RCHRES Name Nexits Unit Systems Printer *** # - #<------------------><---> User T-series Engl Metr LKFG *** in out *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** 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 COPY 2 OUTPUT MEAN 1 1 48.4 WDM 702 FLOW ENGL REPL COPY 502 OUTPUT MEAN 1 1 48.4 WDM 802 FLOW ENGL REPL COPY 5 OUTPUT MEAN 1 1 48.4 WDM 705 FLOW ENGL REPL COPY 505 OUTPUT MEAN 1 1 48.4 WDM 805 FLOW ENGL REPL COPY 6 OUTPUT MEAN 1 1 48.4 WDM 706 FLOW ENGL REPL COPY 506 OUTPUT MEAN 1 1 48.4 WDM 806 FLOW ENGL REPL COPY 10 OUTPUT MEAN 1 1 48.4 WDM 710 FLOW ENGL REPL COPY 510 OUTPUT MEAN 1 1 48.4 WDM 810 FLOW ENGL REPL COPY 11 OUTPUT MEAN 1 1 48.4 WDM 711 FLOW ENGL REPL COPY 511 OUTPUT MEAN 1 1 48.4 WDM 811 FLOW ENGL REPL COPY 8 OUTPUT MEAN 1 1 48.4 WDM 708 FLOW ENGL REPL COPY 508 OUTPUT MEAN 1 1 48.4 WDM 808 FLOW ENGL REPL COPY 13 OUTPUT MEAN 1 1 48.4 WDM 713 FLOW ENGL REPL COPY 513 OUTPUT MEAN 1 1 48.4 WDM 813 FLOW ENGL REPL COPY 14 OUTPUT MEAN 1 1 48.4 WDM 714 FLOW ENGL REPL Earlington - Conveyance 11/14/2017 17:08:02 Page 158 COPY 514 OUTPUT MEAN 1 1 48.4 WDM 814 FLOW ENGL REPL COPY 15 OUTPUT MEAN 1 1 48.4 WDM 715 FLOW ENGL REPL COPY 515 OUTPUT MEAN 1 1 48.4 WDM 815 FLOW ENGL REPL COPY 19 OUTPUT MEAN 1 1 48.4 WDM 719 FLOW ENGL REPL COPY 519 OUTPUT MEAN 1 1 48.4 WDM 819 FLOW ENGL REPL COPY 30 OUTPUT MEAN 1 1 48.4 WDM 730 FLOW ENGL REPL COPY 530 OUTPUT MEAN 1 1 48.4 WDM 830 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** 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 END MASS-LINK END RUN Earlington - Conveyance 11/14/2017 17:08:02 Page 159 Predeveloped HSPF Message File Earlington - Conveyance 11/14/2017 17:08:02 Page 160 Mitigated HSPF Message File Earlington - Conveyance 11/14/2017 17:08:02 Page 161 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. 2005-2017; 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 WWHM2012 PROJECT REPORT TESC Flow Rates Earlington 11/10/2017 09:13:50 Page 2 General Model Information Project Name:Earlington Site Name:TESC Flow Rates Site Address: City: Report Date:11/10/2017 Gage:Seatac Data Start:1948/10/01 Data End:2009/09/30 Timestep:15 Minute Precip Scale:0.000 (adjusted) Version Date:2017/04/14 Version:4.2.13 POC Thresholds Low Flow Threshold for POC1:50 Percent of the 2 Year High Flow Threshold for POC1:50 Year Low Flow Threshold for POC2:50 Percent of the 2 Year High Flow Threshold for POC2:50 Year Earlington 11/10/2017 09:13:50 Page 3 Landuse Basin Data Predeveloped Land Use West Basin Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.85 Pervious Total 0.85 Impervious Land Use acre ROADS MOD 1.52 Impervious Total 1.52 Basin Total 2.37 Element Flows To: Surface Interflow Groundwater Earlington 11/10/2017 09:13:50 Page 4 East Basin Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.64 Pervious Total 0.64 Impervious Land Use acre ROADS MOD 1.15 Impervious Total 1.15 Basin Total 1.79 Element Flows To: Surface Interflow Groundwater Earlington 11/10/2017 09:13:50 Page 5 Mitigated Land Use West Basin Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.85 Pervious Total 0.85 Impervious Land Use acre ROADS MOD 1.52 Impervious Total 1.52 Basin Total 2.37 Element Flows To: Surface Interflow Groundwater Earlington 11/10/2017 09:13:50 Page 6 East Basin Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 0.64 Pervious Total 0.64 Impervious Land Use acre ROADS MOD 1.15 Impervious Total 1.15 Basin Total 1.79 Element Flows To: Surface Interflow Groundwater Earlington 11/10/2017 09:13:50 Page 7 Routing Elements Predeveloped Routing Earlington 11/10/2017 09:13:50 Page 8 Mitigated Routing Earlington 11/10/2017 09:13:50 Page 9 Analysis Results POC 1 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #1 Total Pervious Area:0.85 Total Impervious Area:1.52 Mitigated Landuse Totals for POC #1 Total Pervious Area:0.85 Total Impervious Area:1.52 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 0.73743 5 year 0.95848 10 year 1.115185 25 year 1.325412 50 year 1.491176 100 year 1.665017 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 0.73743 5 year 0.95848 10 year 1.115185 25 year 1.325412 50 year 1.491176 100 year 1.665017 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 1.011 1.011 1950 0.917 0.917 1951 0.594 0.594 1952 0.467 0.467 1953 0.540 0.540 1954 0.598 0.598 1955 0.698 0.698 1956 0.612 0.612 1957 0.731 0.731 1958 0.587 0.587 Earlington 11/10/2017 09:14:28 Page 10 1959 0.609 0.609 1960 0.672 0.672 1961 0.622 0.622 1962 0.507 0.507 1963 0.654 0.654 1964 0.595 0.595 1965 0.749 0.749 1966 0.520 0.520 1967 0.926 0.926 1968 1.135 1.135 1969 0.686 0.686 1970 0.681 0.681 1971 0.831 0.831 1972 0.866 0.866 1973 0.489 0.489 1974 0.796 0.796 1975 0.743 0.743 1976 0.630 0.630 1977 0.615 0.615 1978 0.838 0.838 1979 1.018 1.018 1980 1.241 1.241 1981 0.705 0.705 1982 1.054 1.054 1983 0.805 0.805 1984 0.535 0.535 1985 0.685 0.685 1986 0.614 0.614 1987 0.904 0.904 1988 0.583 0.583 1989 0.912 0.912 1990 1.421 1.421 1991 1.177 1.177 1992 0.558 0.558 1993 0.637 0.637 1994 0.550 0.550 1995 0.635 0.635 1996 0.881 0.881 1997 0.689 0.689 1998 0.690 0.690 1999 1.566 1.566 2000 0.701 0.701 2001 0.800 0.800 2002 0.910 0.910 2003 0.930 0.930 2004 1.496 1.496 2005 0.580 0.580 2006 0.559 0.559 2007 1.423 1.423 2008 1.093 1.093 2009 0.962 0.962 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 1.5659 1.5659 2 1.4956 1.4956 3 1.4233 1.4233 Earlington 11/10/2017 09:14:28 Page 11 4 1.4205 1.4205 5 1.2406 1.2406 6 1.1765 1.1765 7 1.1347 1.1347 8 1.0929 1.0929 9 1.0538 1.0538 10 1.0178 1.0178 11 1.0111 1.0111 12 0.9623 0.9623 13 0.9296 0.9296 14 0.9264 0.9264 15 0.9170 0.9170 16 0.9125 0.9125 17 0.9101 0.9101 18 0.9036 0.9036 19 0.8813 0.8813 20 0.8655 0.8655 21 0.8377 0.8377 22 0.8310 0.8310 23 0.8051 0.8051 24 0.8005 0.8005 25 0.7960 0.7960 26 0.7492 0.7492 27 0.7435 0.7435 28 0.7307 0.7307 29 0.7053 0.7053 30 0.7008 0.7008 31 0.6979 0.6979 32 0.6902 0.6902 33 0.6891 0.6891 34 0.6860 0.6860 35 0.6855 0.6855 36 0.6810 0.6810 37 0.6723 0.6723 38 0.6541 0.6541 39 0.6374 0.6374 40 0.6345 0.6345 41 0.6304 0.6304 42 0.6221 0.6221 43 0.6146 0.6146 44 0.6141 0.6141 45 0.6115 0.6115 46 0.6089 0.6089 47 0.5979 0.5979 48 0.5949 0.5949 49 0.5942 0.5942 50 0.5872 0.5872 51 0.5830 0.5830 52 0.5797 0.5797 53 0.5589 0.5589 54 0.5577 0.5577 55 0.5502 0.5502 56 0.5399 0.5399 57 0.5345 0.5345 58 0.5197 0.5197 59 0.5066 0.5066 60 0.4895 0.4895 61 0.4673 0.4673 Earlington 11/10/2017 09:14:28 Page 12 Earlington 11/10/2017 09:14:28 Page 13 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.3687 1298 1298 100 Pass 0.3801 1173 1173 100 Pass 0.3914 1066 1066 100 Pass 0.4027 974 974 100 Pass 0.4141 893 893 100 Pass 0.4254 800 800 100 Pass 0.4367 718 718 100 Pass 0.4481 638 638 100 Pass 0.4594 582 582 100 Pass 0.4708 535 535 100 Pass 0.4821 492 492 100 Pass 0.4934 461 461 100 Pass 0.5048 435 435 100 Pass 0.5161 397 397 100 Pass 0.5274 374 374 100 Pass 0.5388 347 347 100 Pass 0.5501 316 316 100 Pass 0.5615 286 286 100 Pass 0.5728 265 265 100 Pass 0.5841 249 249 100 Pass 0.5955 226 226 100 Pass 0.6068 213 213 100 Pass 0.6182 197 197 100 Pass 0.6295 187 187 100 Pass 0.6408 171 171 100 Pass 0.6522 162 162 100 Pass 0.6635 153 153 100 Pass 0.6748 148 148 100 Pass 0.6862 137 137 100 Pass 0.6975 128 128 100 Pass 0.7089 122 122 100 Pass 0.7202 116 116 100 Pass 0.7315 112 112 100 Pass 0.7429 108 108 100 Pass 0.7542 98 98 100 Pass 0.7655 94 94 100 Pass 0.7769 92 92 100 Pass 0.7882 86 86 100 Pass 0.7996 77 77 100 Pass 0.8109 71 71 100 Pass 0.8222 68 68 100 Pass 0.8336 61 61 100 Pass 0.8449 56 56 100 Pass 0.8562 55 55 100 Pass 0.8676 52 52 100 Pass 0.8789 49 49 100 Pass 0.8903 44 44 100 Pass 0.9016 44 44 100 Pass 0.9129 41 41 100 Pass 0.9243 37 37 100 Pass 0.9356 31 31 100 Pass 0.9470 30 30 100 Pass 0.9583 28 28 100 Pass Earlington 11/10/2017 09:14:28 Page 14 0.9696 26 26 100 Pass 0.9810 26 26 100 Pass 0.9923 24 24 100 Pass 1.0036 24 24 100 Pass 1.0150 23 23 100 Pass 1.0263 20 20 100 Pass 1.0377 20 20 100 Pass 1.0490 18 18 100 Pass 1.0603 17 17 100 Pass 1.0717 17 17 100 Pass 1.0830 17 17 100 Pass 1.0943 16 16 100 Pass 1.1057 16 16 100 Pass 1.1170 16 16 100 Pass 1.1284 16 16 100 Pass 1.1397 15 15 100 Pass 1.1510 13 13 100 Pass 1.1624 13 13 100 Pass 1.1737 13 13 100 Pass 1.1851 10 10 100 Pass 1.1964 9 9 100 Pass 1.2077 8 8 100 Pass 1.2191 8 8 100 Pass 1.2304 8 8 100 Pass 1.2417 7 7 100 Pass 1.2531 6 6 100 Pass 1.2644 6 6 100 Pass 1.2758 5 5 100 Pass 1.2871 5 5 100 Pass 1.2984 5 5 100 Pass 1.3098 5 5 100 Pass 1.3211 4 4 100 Pass 1.3324 4 4 100 Pass 1.3438 4 4 100 Pass 1.3551 4 4 100 Pass 1.3665 4 4 100 Pass 1.3778 4 4 100 Pass 1.3891 4 4 100 Pass 1.4005 4 4 100 Pass 1.4118 4 4 100 Pass 1.4231 3 3 100 Pass 1.4345 2 2 100 Pass 1.4458 2 2 100 Pass 1.4572 2 2 100 Pass 1.4685 2 2 100 Pass 1.4798 2 2 100 Pass 1.4912 2 2 100 Pass Earlington 11/10/2017 09:14:28 Page 15 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington 11/10/2017 09:14:28 Page 16 LID Report Earlington 11/10/2017 09:15:06 Page 17 POC 2 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #2 Total Pervious Area:0.64 Total Impervious Area:1.15 Mitigated Landuse Totals for POC #2 Total Pervious Area:0.64 Total Impervious Area:1.15 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #2 Return Period Flow(cfs) 2 year 0.557685 5 year 0.724775 10 year 0.843219 25 year 1.002105 50 year 1.127379 100 year 1.25875 Flow Frequency Return Periods for Mitigated. POC #2 Return Period Flow(cfs) 2 year 0.557685 5 year 0.724775 10 year 0.843219 25 year 1.002105 50 year 1.127379 100 year 1.25875 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #2 Year Predeveloped Mitigated 1949 0.764 0.764 1950 0.694 0.694 1951 0.449 0.449 1952 0.353 0.353 1953 0.408 0.408 1954 0.452 0.452 1955 0.528 0.528 1956 0.463 0.463 1957 0.552 0.552 1958 0.444 0.444 1959 0.461 0.461 Earlington 11/10/2017 09:15:44 Page 18 1960 0.508 0.508 1961 0.470 0.470 1962 0.383 0.383 1963 0.495 0.495 1964 0.450 0.450 1965 0.566 0.566 1966 0.393 0.393 1967 0.700 0.700 1968 0.858 0.858 1969 0.519 0.519 1970 0.515 0.515 1971 0.628 0.628 1972 0.654 0.654 1973 0.370 0.370 1974 0.602 0.602 1975 0.562 0.562 1976 0.477 0.477 1977 0.465 0.465 1978 0.634 0.634 1979 0.770 0.770 1980 0.938 0.938 1981 0.533 0.533 1982 0.797 0.797 1983 0.609 0.609 1984 0.404 0.404 1985 0.518 0.518 1986 0.464 0.464 1987 0.683 0.683 1988 0.441 0.441 1989 0.690 0.690 1990 1.073 1.073 1991 0.889 0.889 1992 0.422 0.422 1993 0.482 0.482 1994 0.416 0.416 1995 0.480 0.480 1996 0.666 0.666 1997 0.521 0.521 1998 0.522 0.522 1999 1.184 1.184 2000 0.530 0.530 2001 0.606 0.606 2002 0.688 0.688 2003 0.703 0.703 2004 1.131 1.131 2005 0.438 0.438 2006 0.423 0.423 2007 1.076 1.076 2008 0.826 0.826 2009 0.728 0.728 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #2 Rank Predeveloped Mitigated 1 1.1839 1.1839 2 1.1309 1.1309 3 1.0762 1.0762 4 1.0735 1.0735 Earlington 11/10/2017 09:15:44 Page 19 5 0.9378 0.9378 6 0.8893 0.8893 7 0.8581 0.8581 8 0.8260 0.8260 9 0.7968 0.7968 10 0.7699 0.7699 11 0.7644 0.7644 12 0.7281 0.7281 13 0.7028 0.7028 14 0.7003 0.7003 15 0.6937 0.6937 16 0.6903 0.6903 17 0.6881 0.6881 18 0.6835 0.6835 19 0.6663 0.6663 20 0.6544 0.6544 21 0.6337 0.6337 22 0.6284 0.6284 23 0.6090 0.6090 24 0.6056 0.6056 25 0.6019 0.6019 26 0.5665 0.5665 27 0.5625 0.5625 28 0.5525 0.5525 29 0.5334 0.5334 30 0.5300 0.5300 31 0.5279 0.5279 32 0.5219 0.5219 33 0.5210 0.5210 34 0.5187 0.5187 35 0.5184 0.5184 36 0.5150 0.5150 37 0.5083 0.5083 38 0.4946 0.4946 39 0.4822 0.4822 40 0.4799 0.4799 41 0.4767 0.4767 42 0.4704 0.4704 43 0.4648 0.4648 44 0.4643 0.4643 45 0.4627 0.4627 46 0.4607 0.4607 47 0.4521 0.4521 48 0.4501 0.4501 49 0.4492 0.4492 50 0.4441 0.4441 51 0.4411 0.4411 52 0.4383 0.4383 53 0.4226 0.4226 54 0.4217 0.4217 55 0.4163 0.4163 56 0.4084 0.4084 57 0.4043 0.4043 58 0.3931 0.3931 59 0.3832 0.3832 60 0.3703 0.3703 61 0.3534 0.3534 Earlington 11/10/2017 09:15:44 Page 20 Earlington 11/10/2017 09:15:44 Page 21 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 0.2788 1307 1307 100 Pass 0.2874 1175 1175 100 Pass 0.2960 1075 1075 100 Pass 0.3046 975 975 100 Pass 0.3131 895 895 100 Pass 0.3217 802 802 100 Pass 0.3303 715 715 100 Pass 0.3388 647 647 100 Pass 0.3474 584 584 100 Pass 0.3560 539 539 100 Pass 0.3646 497 497 100 Pass 0.3731 460 460 100 Pass 0.3817 436 436 100 Pass 0.3903 397 397 100 Pass 0.3988 376 376 100 Pass 0.4074 346 346 100 Pass 0.4160 317 317 100 Pass 0.4246 286 286 100 Pass 0.4331 265 265 100 Pass 0.4417 250 250 100 Pass 0.4503 226 226 100 Pass 0.4588 213 213 100 Pass 0.4674 197 197 100 Pass 0.4760 188 188 100 Pass 0.4845 171 171 100 Pass 0.4931 162 162 100 Pass 0.5017 155 155 100 Pass 0.5103 147 147 100 Pass 0.5188 140 140 100 Pass 0.5274 128 128 100 Pass 0.5360 122 122 100 Pass 0.5445 118 118 100 Pass 0.5531 112 112 100 Pass 0.5617 108 108 100 Pass 0.5703 98 98 100 Pass 0.5788 94 94 100 Pass 0.5874 92 92 100 Pass 0.5960 86 86 100 Pass 0.6045 77 77 100 Pass 0.6131 70 70 100 Pass 0.6217 68 68 100 Pass 0.6303 61 61 100 Pass 0.6388 56 56 100 Pass 0.6474 55 55 100 Pass 0.6560 52 52 100 Pass 0.6645 49 49 100 Pass 0.6731 44 44 100 Pass 0.6817 44 44 100 Pass 0.6903 41 41 100 Pass 0.6988 37 37 100 Pass 0.7074 31 31 100 Pass 0.7160 30 30 100 Pass 0.7245 28 28 100 Pass Earlington 11/10/2017 09:15:45 Page 22 0.7331 26 26 100 Pass 0.7417 26 26 100 Pass 0.7503 24 24 100 Pass 0.7588 24 24 100 Pass 0.7674 22 22 100 Pass 0.7760 20 20 100 Pass 0.7845 20 20 100 Pass 0.7931 18 18 100 Pass 0.8017 17 17 100 Pass 0.8102 17 17 100 Pass 0.8188 17 17 100 Pass 0.8274 16 16 100 Pass 0.8360 16 16 100 Pass 0.8445 16 16 100 Pass 0.8531 16 16 100 Pass 0.8617 15 15 100 Pass 0.8702 13 13 100 Pass 0.8788 13 13 100 Pass 0.8874 13 13 100 Pass 0.8960 11 11 100 Pass 0.9045 9 9 100 Pass 0.9131 8 8 100 Pass 0.9217 8 8 100 Pass 0.9302 8 8 100 Pass 0.9388 7 7 100 Pass 0.9474 6 6 100 Pass 0.9560 6 6 100 Pass 0.9645 5 5 100 Pass 0.9731 5 5 100 Pass 0.9817 5 5 100 Pass 0.9902 5 5 100 Pass 0.9988 4 4 100 Pass 1.0074 4 4 100 Pass 1.0160 4 4 100 Pass 1.0245 4 4 100 Pass 1.0331 4 4 100 Pass 1.0417 4 4 100 Pass 1.0502 4 4 100 Pass 1.0588 4 4 100 Pass 1.0674 4 4 100 Pass 1.0760 3 3 100 Pass 1.0845 2 2 100 Pass 1.0931 2 2 100 Pass 1.1017 2 2 100 Pass 1.1102 2 2 100 Pass 1.1188 2 2 100 Pass 1.1274 2 2 100 Pass Earlington 11/10/2017 09:15:45 Page 23 Water Quality Water Quality BMP Flow and Volume for POC #2 On-line facility volume:0 acre-feet On-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Off-line facility target flow:0 cfs. Adjusted for 15 min:0 cfs. Earlington 11/10/2017 09:15:45 Page 24 LID Report Earlington 11/10/2017 09:15:45 Page 25 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. Earlington 11/10/2017 09:15:45 Page 26 Appendix Predeveloped Schematic Earlington 11/10/2017 09:15:45 Page 27 Mitigated Schematic Earlington 11/10/2017 09:15:45 Page 28 Predeveloped 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 Earlington.wdm MESSU 25 PreEarlington.MES 27 PreEarlington.L61 28 PreEarlington.L62 30 POCEarlington1.dat 31 POCEarlington2.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 17 IMPLND 2 COPY 501 COPY 502 DISPLY 1 DISPLY 2 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 West Basin MAX 1 2 30 9 2 East Basin MAX 1 2 31 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 502 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 *** 17 C, Lawn, Mod 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 *** 17 0 0 1 0 0 0 0 0 0 0 0 0 END ACTIVITY Earlington 11/10/2017 09:15:45 Page 29 PRINT-INFO <PLS > ***************** Print-flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* 17 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 *** 17 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 17 0 4.5 0.03 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 17 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 17 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 17 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 *** 2 ROADS/MOD 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 2 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 2 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 *** 2 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 2 400 0.05 0.1 0.08 END IWAT-PARM2 Earlington 11/10/2017 09:15:45 Page 30 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 2 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 2 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** West Basin*** PERLND 17 0.85 COPY 501 12 PERLND 17 0.85 COPY 501 13 IMPLND 2 1.52 COPY 501 15 East Basin*** PERLND 17 0.64 COPY 502 12 PERLND 17 0.64 COPY 502 13 IMPLND 2 1.15 COPY 502 15 ******Routing****** 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 COPY 502 OUTPUT MEAN 1 1 48.4 DISPLY 2 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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** Earlington 11/10/2017 09:15:45 Page 31 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** COPY 501 OUTPUT MEAN 1 1 48.4 WDM 501 FLOW ENGL REPL COPY 502 OUTPUT MEAN 1 1 48.4 WDM 502 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** 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 END MASS-LINK END RUN Earlington 11/10/2017 09:15:45 Page 32 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 Earlington.wdm MESSU 25 MitEarlington.MES 27 MitEarlington.L61 28 MitEarlington.L62 30 POCEarlington1.dat 31 POCEarlington2.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 17 IMPLND 2 COPY 501 COPY 502 DISPLY 1 DISPLY 2 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 West Basin MAX 1 2 30 9 2 East Basin MAX 1 2 31 9 END DISPLY-INFO1 END DISPLY COPY TIMESERIES # - # NPT NMN *** 1 1 1 501 1 1 502 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 *** 17 C, Lawn, Mod 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 *** 17 0 0 1 0 0 0 0 0 0 0 0 0 END ACTIVITY Earlington 11/10/2017 09:15:45 Page 33 PRINT-INFO <PLS > ***************** Print-flags ***************************** PIVL PYR # - # ATMP SNOW PWAT SED PST PWG PQAL MSTL PEST NITR PHOS TRAC ********* 17 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 *** 17 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 17 0 4.5 0.03 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 17 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 17 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 17 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 *** 2 ROADS/MOD 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 2 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 2 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 *** 2 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 2 400 0.05 0.1 0.08 END IWAT-PARM2 Earlington 11/10/2017 09:15:45 Page 34 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 2 0 0 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 2 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** West Basin*** PERLND 17 0.85 COPY 501 12 PERLND 17 0.85 COPY 501 13 IMPLND 2 1.52 COPY 501 15 East Basin*** PERLND 17 0.64 COPY 502 12 PERLND 17 0.64 COPY 502 13 IMPLND 2 1.15 COPY 502 15 ******Routing****** 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 COPY 502 OUTPUT MEAN 1 1 48.4 DISPLY 2 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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** Earlington 11/10/2017 09:15:45 Page 35 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS END SPEC-ACTIONS FTABLES 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*** 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 COPY 2 OUTPUT MEAN 1 1 48.4 WDM 702 FLOW ENGL REPL COPY 502 OUTPUT MEAN 1 1 48.4 WDM 802 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** 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 END MASS-LINK END RUN Earlington 11/10/2017 09:15:45 Page 36 Predeveloped HSPF Message File Earlington 11/10/2017 09:15:45 Page 37 Mitigated HSPF Message File Earlington 11/10/2017 09:15:45 Page 38 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. 2005-2017; 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 WWHM2012 PROJECT REPORT Offsite Conveyance Estimated Flow Rates Earlington - Offsite Conveyance Flows 1/3/2018 12:57:25 Page 2 General Model Information Project Name:Earlington - Offsite Conveyance Flows Site Name:Offsite Conveyance Flows Site Address: City: Report Date:1/3/2018 Gage:Seatac Data Start:1948/10/01 Data End:2009/09/30 Timestep:15 Minute Precip Scale:0.000 (adjusted) Version Date:2017/04/14 Version:4.2.13 POC Thresholds Low Flow Threshold for POC1:50 Percent of the 2 Year High Flow Threshold for POC1:50 Year This is 1.000 in the .whm file Earlington - Offsite Conveyance Flows 1/3/2018 12:57:25 Page 3 Landuse Basin Data Predeveloped Land Use Existing - Offsite Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 29.8 Pervious Total 29.8 Impervious Land Use acre ROADS FLAT 7.5 Impervious Total 7.5 Basin Total 37.3 Element Flows To: Surface Interflow Groundwater Earlington - Offsite Conveyance Flows 1/3/2018 12:57:25 Page 4 Mitigated Land Use Existing - Offsite Bypass:No GroundWater:No Pervious Land Use acre C, Lawn, Mod 29.8 Pervious Total 29.8 Impervious Land Use acre ROADS FLAT 7.5 Impervious Total 7.5 Basin Total 37.3 Element Flows To: Surface Interflow Groundwater Earlington - Offsite Conveyance Flows 1/3/2018 12:57:25 Page 5 Routing Elements Predeveloped Routing Earlington - Offsite Conveyance Flows 1/3/2018 12:57:25 Page 6 Mitigated Routing Earlington - Offsite Conveyance Flows 1/3/2018 12:57:25 Page 7 Analysis Results POC 1 + Predeveloped x Mitigated Predeveloped Landuse Totals for POC #1 Total Pervious Area:29.8 Total Impervious Area:7.5 Mitigated Landuse Totals for POC #1 Total Pervious Area:29.8 Total Impervious Area:7.5 Flow Frequency Method:Log Pearson Type III 17B Flow Frequency Return Periods for Predeveloped. POC #1 Return Period Flow(cfs) 2 year 5.456796 5 year 8.209365 10 year 10.255492 25 year 13.092714 50 year 15.389391 100 year 17.843591 Flow Frequency Return Periods for Mitigated. POC #1 Return Period Flow(cfs) 2 year 5.456796 5 year 8.209365 10 year 10.255492 25 year 13.092714 50 year 15.389391 100 year 17.843591 Annual Peaks Annual Peaks for Predeveloped and Mitigated. POC #1 Year Predeveloped Mitigated 1949 9.215 9.215 1950 9.275 9.275 1951 5.352 5.352 1952 3.032 3.032 1953 2.654 2.654 1954 4.333 4.333 1955 4.452 4.452 1956 4.608 4.608 1957 6.386 6.386 1958 3.698 3.698 Earlington - Offsite Conveyance Flows 1/3/2018 12:58:01 Page 8 1959 3.048 3.048 1960 5.648 5.648 1961 4.833 4.833 1962 2.949 2.949 1963 4.988 4.988 1964 4.257 4.257 1965 6.765 6.765 1966 3.338 3.338 1967 9.125 9.125 1968 7.402 7.402 1969 6.074 6.074 1970 4.990 4.990 1971 6.093 6.093 1972 8.582 8.582 1973 2.768 2.768 1974 6.367 6.367 1975 6.712 6.712 1976 4.698 4.698 1977 4.238 4.238 1978 5.143 5.143 1979 4.789 4.789 1980 10.826 10.826 1981 5.089 5.089 1982 10.064 10.064 1983 5.432 5.432 1984 3.759 3.759 1985 5.148 5.148 1986 5.215 5.215 1987 5.135 5.135 1988 2.424 2.424 1989 3.034 3.034 1990 17.436 17.436 1991 12.123 12.123 1992 4.016 4.016 1993 2.623 2.623 1994 2.106 2.106 1995 4.351 4.351 1996 8.298 8.298 1997 6.191 6.191 1998 4.828 4.828 1999 13.300 13.300 2000 5.591 5.591 2001 3.861 3.861 2002 8.620 8.620 2003 7.322 7.322 2004 11.800 11.800 2005 5.145 5.145 2006 5.052 5.052 2007 16.044 16.044 2008 11.691 11.691 2009 6.858 6.858 Ranked Annual Peaks Ranked Annual Peaks for Predeveloped and Mitigated. POC #1 Rank Predeveloped Mitigated 1 17.4357 17.4357 2 16.0444 16.0444 3 13.3000 13.3000 Earlington - Offsite Conveyance Flows 1/3/2018 12:58:01 Page 9 4 12.1232 12.1232 5 11.7998 11.7998 6 11.6905 11.6905 7 10.8260 10.8260 8 10.0635 10.0635 9 9.2748 9.2748 10 9.2145 9.2145 11 9.1255 9.1255 12 8.6195 8.6195 13 8.5822 8.5822 14 8.2975 8.2975 15 7.4025 7.4025 16 7.3215 7.3215 17 6.8583 6.8583 18 6.7653 6.7653 19 6.7118 6.7118 20 6.3860 6.3860 21 6.3672 6.3672 22 6.1907 6.1907 23 6.0931 6.0931 24 6.0742 6.0742 25 5.6482 5.6482 26 5.5913 5.5913 27 5.4322 5.4322 28 5.3518 5.3518 29 5.2145 5.2145 30 5.1477 5.1477 31 5.1452 5.1452 32 5.1426 5.1426 33 5.1350 5.1350 34 5.0890 5.0890 35 5.0521 5.0521 36 4.9898 4.9898 37 4.9878 4.9878 38 4.8333 4.8333 39 4.8281 4.8281 40 4.7890 4.7890 41 4.6984 4.6984 42 4.6076 4.6076 43 4.4524 4.4524 44 4.3507 4.3507 45 4.3330 4.3330 46 4.2571 4.2571 47 4.2376 4.2376 48 4.0155 4.0155 49 3.8614 3.8614 50 3.7586 3.7586 51 3.6984 3.6984 52 3.3377 3.3377 53 3.0479 3.0479 54 3.0337 3.0337 55 3.0316 3.0316 56 2.9494 2.9494 57 2.7678 2.7678 58 2.6537 2.6537 59 2.6232 2.6232 60 2.4241 2.4241 61 2.1057 2.1057 Earlington - Offsite Conveyance Flows 1/3/2018 12:58:01 Page 10 Earlington - Offsite Conveyance Flows 1/3/2018 12:58:01 Page 11 Duration Flows The Facility PASSED Flow(cfs)Predev Mit Percentage Pass/Fail 2.7284 1139 1139 100 Pass 2.8563 977 977 100 Pass 2.9842 836 836 100 Pass 3.1121 725 725 100 Pass 3.2400 625 625 100 Pass 3.3678 564 564 100 Pass 3.4957 508 508 100 Pass 3.6236 454 454 100 Pass 3.7515 413 413 100 Pass 3.8794 372 372 100 Pass 4.0073 336 336 100 Pass 4.1352 305 305 100 Pass 4.2631 279 279 100 Pass 4.3910 259 259 100 Pass 4.5188 240 240 100 Pass 4.6467 223 223 100 Pass 4.7746 206 206 100 Pass 4.9025 187 187 100 Pass 5.0304 169 169 100 Pass 5.1583 151 151 100 Pass 5.2862 145 145 100 Pass 5.4141 130 130 100 Pass 5.5420 120 120 100 Pass 5.6698 108 108 100 Pass 5.7977 105 105 100 Pass 5.9256 103 103 100 Pass 6.0535 98 98 100 Pass 6.1814 95 95 100 Pass 6.3093 87 87 100 Pass 6.4372 82 82 100 Pass 6.5651 80 80 100 Pass 6.6930 79 79 100 Pass 6.8208 72 72 100 Pass 6.9487 68 68 100 Pass 7.0766 66 66 100 Pass 7.2045 61 61 100 Pass 7.3324 56 56 100 Pass 7.4603 52 52 100 Pass 7.5882 47 47 100 Pass 7.7161 46 46 100 Pass 7.8440 46 46 100 Pass 7.9718 43 43 100 Pass 8.0997 42 42 100 Pass 8.2276 41 41 100 Pass 8.3555 40 40 100 Pass 8.4834 39 39 100 Pass 8.6113 36 36 100 Pass 8.7392 33 33 100 Pass 8.8671 32 32 100 Pass 8.9950 30 30 100 Pass 9.1228 29 29 100 Pass 9.2507 27 27 100 Pass 9.3786 24 24 100 Pass Earlington - Offsite Conveyance Flows 1/3/2018 12:58:01 Page 12 9.5065 23 23 100 Pass 9.6344 22 22 100 Pass 9.7623 21 21 100 Pass 9.8902 20 20 100 Pass 10.0181 20 20 100 Pass 10.1459 18 18 100 Pass 10.2738 17 17 100 Pass 10.4017 17 17 100 Pass 10.5296 16 16 100 Pass 10.6575 16 16 100 Pass 10.7854 15 15 100 Pass 10.9133 13 13 100 Pass 11.0412 13 13 100 Pass 11.1691 13 13 100 Pass 11.2969 12 12 100 Pass 11.4248 12 12 100 Pass 11.5527 11 11 100 Pass 11.6806 10 10 100 Pass 11.8085 7 7 100 Pass 11.9364 7 7 100 Pass 12.0643 7 7 100 Pass 12.1922 6 6 100 Pass 12.3201 5 5 100 Pass 12.4479 5 5 100 Pass 12.5758 5 5 100 Pass 12.7037 5 5 100 Pass 12.8316 5 5 100 Pass 12.9595 5 5 100 Pass 13.0874 4 4 100 Pass 13.2153 4 4 100 Pass 13.3432 3 3 100 Pass 13.4711 2 2 100 Pass 13.5989 2 2 100 Pass 13.7268 2 2 100 Pass 13.8547 2 2 100 Pass 13.9826 2 2 100 Pass 14.1105 2 2 100 Pass 14.2384 2 2 100 Pass 14.3663 2 2 100 Pass 14.4942 2 2 100 Pass 14.6221 2 2 100 Pass 14.7499 2 2 100 Pass 14.8778 2 2 100 Pass 15.0057 2 2 100 Pass 15.1336 2 2 100 Pass 15.2615 2 2 100 Pass 15.3894 2 2 100 Pass Earlington - Offsite Conveyance Flows 1/3/2018 12:58:01 Page 13 Water Quality Water Quality BMP Flow and Volume for POC #1 On-line facility volume:0.0694 acre-feet On-line facility target flow:0.0741 cfs. Adjusted for 15 min:0.0741 cfs. Off-line facility target flow:0.0411 cfs. Adjusted for 15 min:0.0411 cfs. Earlington - Offsite Conveyance Flows 1/3/2018 12:58:01 Page 14 LID Report Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 15 POC 2 POC #2 was not reported because POC must exist in both scenarios and both scenarios must have been run. Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 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. Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 17 Appendix Predeveloped Schematic Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 18 Mitigated Schematic Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 19 Predeveloped 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 Earlington - Offsite Conveyance Flows.wdm MESSU 25 PreEarlington - Offsite Conveyance Flows.MES 27 PreEarlington - Offsite Conveyance Flows.L61 28 PreEarlington - Offsite Conveyance Flows.L62 30 POCEarlington - Offsite Conveyance Flows1.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 17 IMPLND 1 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 Existing - Offsite 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 *** 17 C, Lawn, Mod 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 *** 17 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 ********* 17 0 0 4 0 0 0 0 0 0 0 0 0 1 9 END PRINT-INFO Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 20 PWAT-PARM1 <PLS > PWATER variable monthly parameter value flags *** # - # CSNO RTOP UZFG VCS VUZ VNN VIFW VIRC VLE INFC HWT *** 17 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 17 0 4.5 0.03 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 17 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 17 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 17 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 *** 1 ROADS/FLAT 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 1 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 1 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 *** 1 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 1 400 0.01 0.1 0.1 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 1 0 0 Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 21 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 1 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** Existing - Offsite*** PERLND 17 29.8 COPY 501 12 PERLND 17 29.8 COPY 501 13 IMPLND 1 7.5 COPY 501 15 ******Routing****** 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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 22 END SPEC-ACTIONS FTABLES 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*** COPY 501 OUTPUT MEAN 1 1 48.4 WDM 501 FLOW ENGL REPL END EXT TARGETS MASS-LINK <Volume> <-Grp> <-Member-><--Mult--> <Target> <-Grp> <-Member->*** <Name> <Name> # #<-factor-> <Name> <Name> # #*** 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 END MASS-LINK END RUN Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 23 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 Earlington - Offsite Conveyance Flows.wdm MESSU 25 MitEarlington - Offsite Conveyance Flows.MES 27 MitEarlington - Offsite Conveyance Flows.L61 28 MitEarlington - Offsite Conveyance Flows.L62 30 POCEarlington - Offsite Conveyance Flows1.dat END FILES OPN SEQUENCE INGRP INDELT 00:15 PERLND 17 IMPLND 1 COPY 501 DISPLY 1 END INGRP END OPN SEQUENCE DISPLY DISPLY-INFO1 # - #<----------Title----------->***TRAN PIVL DIG1 FIL1 PYR DIG2 FIL2 YRND 1 Existing - Offsite 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 *** 17 C, Lawn, Mod 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 *** 17 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 ********* 17 0 0 4 0 0 0 0 0 0 0 0 0 1 9 END PRINT-INFO Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 24 PWAT-PARM1 <PLS > PWATER variable monthly parameter value flags *** # - # CSNO RTOP UZFG VCS VUZ VNN VIFW VIRC VLE INFC HWT *** 17 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 17 0 4.5 0.03 400 0.1 0.5 0.996 END PWAT-PARM2 PWAT-PARM3 <PLS > PWATER input info: Part 3 *** # - # ***PETMAX PETMIN INFEXP INFILD DEEPFR BASETP AGWETP 17 0 0 2 2 0 0 0 END PWAT-PARM3 PWAT-PARM4 <PLS > PWATER input info: Part 4 *** # - # CEPSC UZSN NSUR INTFW IRC LZETP *** 17 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 17 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 *** 1 ROADS/FLAT 1 1 1 27 0 END GEN-INFO *** Section IWATER*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # ATMP SNOW IWAT SLD IWG IQAL *** 1 0 0 1 0 0 0 END ACTIVITY PRINT-INFO <ILS > ******** Print-flags ******** PIVL PYR # - # ATMP SNOW IWAT SLD IWG IQAL ********* 1 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 *** 1 0 0 0 0 0 END IWAT-PARM1 IWAT-PARM2 <PLS > IWATER input info: Part 2 *** # - # *** LSUR SLSUR NSUR RETSC 1 400 0.01 0.1 0.1 END IWAT-PARM2 IWAT-PARM3 <PLS > IWATER input info: Part 3 *** # - # ***PETMAX PETMIN 1 0 0 Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 25 END IWAT-PARM3 IWAT-STATE1 <PLS > *** Initial conditions at start of simulation # - # *** RETS SURS 1 0 0 END IWAT-STATE1 END IMPLND SCHEMATIC <-Source-> <--Area--> <-Target-> MBLK *** <Name> # <-factor-> <Name> # Tbl# *** Existing - Offsite*** PERLND 17 29.8 COPY 501 12 PERLND 17 29.8 COPY 501 13 IMPLND 1 7.5 COPY 501 15 ******Routing****** 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 *** END GEN-INFO *** Section RCHRES*** ACTIVITY <PLS > ************* Active Sections ***************************** # - # HYFG ADFG CNFG HTFG SDFG GQFG OXFG NUFG PKFG PHFG *** END ACTIVITY PRINT-INFO <PLS > ***************** Print-flags ******************* PIVL PYR # - # HYDR ADCA CONS HEAT SED GQL OXRX NUTR PLNK PHCB PIVL PYR ********* 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 * * * * * * * * * * * * * * *** END HYDR-PARM1 HYDR-PARM2 # - # FTABNO LEN DELTH STCOR KS DB50 *** <------><--------><--------><--------><--------><--------><--------> *** 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 <------><--------> <---><---><---><---><---> *** <---><---><---><---><---> END HYDR-INIT END RCHRES SPEC-ACTIONS Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 26 END SPEC-ACTIONS FTABLES 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*** 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 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 END MASS-LINK END RUN Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 27 Predeveloped HSPF Message File Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 28 Mitigated HSPF Message File Earlington - Offsite Conveyance Flows 1/3/2018 12:58:11 Page 29 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 Blank Tab for Appendix Blank Tab for Appendix Appendix C associated earth sciences incorporated Associated Earth Sciences, Inc. 911 5th Avenue Kirkland, WA 98033 P (425) 827 7701 F (425) 827 5424 Geotechnical Engineering Feasibility Report MINTER PROPERTY Renton, Washington Prepared For: BLUE FERN DEVELOPMENT January 18, 2017 Project No. KE160641A January 18, 2017 Project No. KE160641A Blue Fern Development 11232 120th Avenue NE Kirkland, Washington 98033 Attention: Mr. John Groves associa ted earth sciences incorpor ate d Subject: Geotechnical Engineering Feasibility Report Minter Property South 132nd Street and Renton Avenue South Renton, Washington Dear Mr. Groves: We are pleased to present the enclosed copies of the referenced report. This report summarizes the results of our geotechnical engineering feasibility study and offers preliminary recommendations for the design and development of the proposed project. This report is based on two site concept sketches you provided, and our knowledge of the site gained through completion of a preliminary geotechnical engineering study of the site for another client in 2007. The recommendations presented in this report are based on subsurface explorations completed onsite by Associated Earth Sciences, Inc. in 2007. We recommend that we be allowed to review project plans when they are developed and update our recommendations as needed. We have enjoyed working with you on this study and are confident that the recommendations presented in this report will aid in the successful completion of your project. If you should have any questions or if we can be of additional help to you, please do not hesitate to call. Sincerely, ASSOCIATED EARTH SCIENCES, INC. Kirkland, Washington �4N __ \ __ _ Kurt D. Merriman, P.E. Senior Principal Engineer KDM/ld -KE160641A3 -Projects\20160641\KE\WP Kirkland Office I 911 Fifth Avenue I Kirkland, WA 98033 P I 425.827.7701 FI 425.827.5424 Everett Office I 2911 ½ Hewitt Avenue, Suite 2 I Everett, WA 98201 P I 425.259.0522 F I 425.827.5424 Tacoma Office I 1552 Commerce Street, Suite 102 I Tacoma, WA 98402 P I 253.722.2992 F I 253.722.2993 www.aesgeo.com GEOTECHNICAL ENGINEERING FEASIBILITY REPORT MINTER PROPERTY Renton, Washington Prepared for: Blue Fern Development 11232 120th Avenue NE Kirkland, Washington 98033 Prepared by: Associated Earth Sciences, Inc. 911 5th Avenue Kirkland, Washington 98033 425-827-7701 Fax: 425-827-5424 January 18, 2017 Project No. KE160641A Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Project and Site Conditions January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 1 I. PROJECT AND SITE CONDITIONS 1.0 INTRODUCTION This report presents the results of our geotechnical engineering feasibility study for the proposed new residential development. The site location is shown on the “Vicinity Map,” Figure 1. The approximate locations of explorations completed for our 2007 study are shown on the “Site and Exploration Plan,” Figure 2. This report is based on two previously referenced site concept drawings, and our knowledge of the site gained through completion of a preliminary geotechnical engineering study of the site for another client in 2007. Interpretive exploration logs and associated laboratory test results completed for our 2007 study are included in the Appendix. The conclusions and recommendations contained in this report should be reviewed and modified, or verified, to reflect final plans when they are developed. When our 2007 geotechnical engineering report for the site was prepared, the site was under King County jurisdiction. The site was annexed by Renton in 2009, and this annexation means that geotechnical critical areas considerations for the project are substantially different than in 2007. Geotechnical critical areas are discussed in further detail later in this report. 1.1 Purpose and Scope The purpose of this study was to provide subsurface data to be used in the preliminary design of the project. Our study included a review of selected geologic literature, a review of subsurface data from our 2007 exploration, and performing geologic studies to assess the type, thickness, distribution, and physical properties of the subsurface sediments and shallow ground water. Geotechnical engineering studies were completed to formulate preliminary recommendations for site preparation, site grading, construction, and drainage. Storm water infiltration feasibility recommendations were also formulated for the proposed project. This report summarizes our previous fieldwork completed for our 2007 study and offers recommendations for development based on our present understanding of the project. We recommend that we be allowed to review project plans prior to construction to verify that our geotechnical engineering recommendations have been correctly interpreted and incorporated into the design. 1.2 Authorization This report has been prepared for the exclusive use of Blue Fern Development and its agents for specific application to this project. Our work was performed in accordance with our scope of work and cost proposal dated December 1, 2016. We were authorized to proceed by means of a signed proposal. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Project and Site Conditions January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 2 Within the limitations of scope, schedule, and budget, our services have been performed in accordance with generally accepted geotechnical engineering and engineering geology practices in effect in this area at the time our report was prepared. No other warranty, express or implied, is made. 2.0 PROJECT AND SITE DESCRIPTION This report was completed with an understanding of the project based on two previously referenced site concept sketches prepared by Contour Engineering LLC, and our knowledge of the site gained through completion of a preliminary geotechnical engineering study of the site for another client in 2007. The project site is irregularly shaped in plan view, and includes several parcels with a total area of approximately 4 acres. The site slopes down to the south with moderate inclinations and overall vertical relief of approximately 70 feet. At the time of our subsurface exploration program, the site was developed with a commercial plant nursery that included a sales building, several greenhouses, and a detached home. We understand that a home previously existed on the east part of the site, and the remnants of that home were demolished after it burned. Gravel driveway and parking areas provided access to various parts of the site, and mature trees were present in an area on the east part of the site. The site appeared to have been graded to its current configuration that generally includes relatively flatter terraces separated by slopes. We anticipate that these flatter terraces were created by cutting on the upslope side and filling on the downslope side. This theory is supported by the subsurface conditions observed in our exploration pits completed as part of our 2007 study of the site. The site includes slopes that meet geometric criteria for treatment as Sensitive Slopes as defined in Renton Municipal Code (RMC) 4-3-050. To support any development proposal, a topographic survey which explicitly depicts Sensitive Slopes will be required. The critical slope plan should be prepared by the project surveyor. The development proposal will also require a detailed geotechnical engineering report that is specific to the proposed site grading plan and critical areas plan. It should be noted that RMC requires a 15-foot buffer around Protected Slopes. RMC provides a mechanism for reducing or eliminating the Protected Slope buffer. Such reductions require a detailed geotechnical report. The City will also hire a third party geotechnical consultant at Blue Fern Development’s expense to review our work. Current site concept drawings call for construction of 65 new single-family residential lots, new paved access roads, and a storm water management area identified on the east part of the site. No site grading or retaining walls are depicted on the concept drawings. We understand that storm water infiltration is desired on this site if feasible. This report contains a feasibility level infiltration discussion. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Project and Site Conditions January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 3 3.0 SUBSURFACE EXPLORATION Our previous 2007 field study of the site included excavation of nine exploration pits. The exploration locations were measured in the field from known site features, and the locations depicted on Figure 2 are taken from a site concept sketch provided to us by Blue Fern Development. Interpretive exploration logs from our 2007 study are presented in the Appendix. The various types of sediments, as well as the depths where characteristics of the sediments changed, are indicated on the exploration logs presented in the Appendix. The depths indicated on the logs where conditions changed may represent gradational variations between sediment types in the field. The conclusions and recommendations presented in this report are based on the explorations completed for our 2007 study of the site. Because of the nature of exploratory work below ground, extrapolation of subsurface conditions between field explorations is necessary. It should be noted that differing subsurface conditions may sometimes be present due to the random nature of deposition and the alteration of topography by past grading and/or filling. The nature and extent of any variations between the field explorations may not become fully evident until construction. If variations are observed at that time, it may be necessary to re-evaluate specific recommendations in this report and make appropriate changes. 3.1 Exploration Pits The exploration pits were excavated using a track-mounted excavator. The pits permitted direct, visual observation of subsurface conditions. Materials encountered in the exploration pits were studied and classified in the field by an engineering geologist from our firm. All exploration pits were backfilled immediately after examination and logging. Selected samples were then transported to our laboratory for further visual classification and testing, as necessary. 4.0 SUBSURFACE CONDITIONS Subsurface conditions at the project site were inferred from the field explorations accomplished for our 2007 study, visual reconnaissance of the site, and review of selected geologic literature. The general distribution of geologic units is shown on the field logs. The explorations generally encountered medium dense silty to clean sand, interpreted as recessional outwash, overlying medium dense grading to very dense silty sand with gravel and cobbles, interpreted as lodgement till. Existing fill was observed in six exploration pits to depths of up to approximately 9 feet. We reviewed published geologic mapping on Pacific Northwest Center for Geologic Mapping Studies, 2006, Geologic Map of King County, Washington, D.B. Booth and A.P. Wisher, compilers, scale 1:100,000. Our interpretation of Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Project and Site Conditions January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 4 geologic conditions at the site closely corresponds to those shown on the referenced geologic map. The project vicinity has outcrops of sandstone bedrock of the Tukwila Formation. Although no bedrock was encountered in our explorations, it is possible that bedrock may be encountered below the lodgement till in deeper site utility excavations. Typically, the upper portion of the bedrock is weathered and can be removed with typical earthwork excavation equipment. 4.1 Stratigraphy Topsoil/Gravel Surfacing We observed a surficial layer of topsoil or gravel surfacing at several of the exploration pit locations. The observed surface materials and thicknesses are noted on the attached exploration logs. Fill Fill soils (those not naturally placed) were encountered in six exploration pits to depths of up to approximately 9 feet below the existing ground surface. Most of the existing fill appeared to consist of sand with silt and gravel that was similar in gradation to the native site soils, and likely originated from excavations onsite. Most of the fill contained little or no debris or other deleterious materials that would prevent its reuse in structural fill applications. One notable exception was exploration pit EP-6, which contained existing fill that included asphalt, concrete rubble, and wood waste. Existing fill is expected to be silty, moisture-sensitive, and above optimum moisture content for compaction purposes. It appears that with the exception of fill observed in EP-6, existing fill materials would be available for reuse in structural fill applications if they are moisture-conditioned during dry site and weather conditions and are free of excessively organic material. Existing fill is not recommended for support of foundations, and will require remedial preparation in areas that will support paving and utilities. Vashon Recessional Outwash Deposits Sediments interpreted to be representative of Vashon recessional outwash were encountered in three of the exploration pits. The Vashon recessional outwash sediments generally consisted of loose grading to medium dense, fine to medium sand with variable silt and gravel content. Recessional outwash was deposited by rivers flowing from the base of northward- retreating continental glaciers near the end of the Vashon Stade of the Fraser Glaciation, approximately 13,000 years ago. Recessional outwash deposits are typically somewhat loose, but are suitable for support of foundations, floor slabs, and paving, with proper preparation. Excavated recessional outwash sediments are expected to be moisture-sensitive and above optimum moisture content for reuse in structural fill applications. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Project and Site Conditions January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 5 Vashon Lodgement Till Six of our exploration pits encountered medium dense grading to very dense silty sand with gravel and cobbles, interpreted as Vashon lodgement till. The lodgement till observed in our explorations graded from medium dense and brown in the weathered zone near the surface to dense to very dense and gray at depth. Lodgement till was deposited at the base of an active continental glacier and was subsequently compacted by the weight of the overlying glacial ice. Lodgement till typically possesses high-strength and low-compressibility attributes that are favorable for support of foundations, floor slabs, and paving, with proper preparation. Lodgement till is silty and highly moisture-sensitive. In the presence of moisture contents above the optimum moisture content for compaction purposes, lodgement till can be easily disturbed by vehicles and earthwork equipment. Careful management of moisture-sensitive soils, as recommended in this report, will be needed to reduce the potential for disturbance of wet lodgement till soils and costs associated with repairing disturbed soils. 4.2 Hydrology Ground water seepage was encountered in six of our exploration pits. The observed seepage occurred in recessional outwash and fill sediments, and within more-permeable granular layers within the lodgement till. Actual depths of ground water observed in each exploration pit are depicted on the logs in the Appendix. Observed ground water seepage was interpreted to represent perched ground water. Perched ground water occurs where downward infiltration of surface water is impeded by low-permeability soil layers such as lodgement till, and the ground water migrates laterally and generally downslope. Ground water conditions should be expected to vary in response to changes in season, weather, on- and off-site land use, and other factors. 4.3 Laboratory Test Results Laboratory testing was completed on selected soil samples from our 2007 explorations. Laboratory testing results are included in the Appendix. Moisture content was tested in accordance with American Society for Testing and Materials (ASTM) D-2216. Table 1 summarizes the moisture content laboratory results. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Project and Site Conditions January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 6 Table 1 Exploration Pit Approximate Ground Surface Elevation (feet) Depth to Bearing Soil (feet) Approximate Bearing Soil Elevation (feet) Depth Tested (feet) Existing Moisture Content (percent) EP-1 242 8.5 233.5 8.5 17.8* EP-1 14 18.0 * EP-2 246 0.5 245.5 3 15.6* EP-2 7 13.2* EP-3 255 8 247 3 12.5* EP-3 5 13.5* EP-3 9 11.0* EP-4 264 5 259 8 11.2* EP-4 12 17.5* EP-5 264 6 258 10 12.7* EP-6 295 9 286 EP-7 275 0 275 5 17.0* EP-8 247 4.5 242.5 8 14.6* EP-9 241 2 239 4 20.6* EP-9 7 24.9* * Samples above optimum moisture content. The maximum dry density of one soil sample was determined using the modified Proctor test procedure (ASTM D-1557). The results are as follows in Table 2. Table 2 Sample Location Maximum Dry Density (pcf)(1) Optimum Moisture Content (percent)(2) EP-2 @ 4’ 132.0 8.0 (1) pcf = pounds per cubic foot. (2) Reported results are not corrected for gravel content. 4.4 Infiltration Feasibility Most of the shallow site soils are either dense and impermeable or saturated, and therefore storm water infiltration using shallow strategies does not appear feasible. One exploration pit previously completed near the southeast site corner (EP-1) encountered unsaturated recessional outwash that could potentially serve as an infiltration receptor if it is laterally and vertically extensive and unsaturated, which has not been proven by existing exploration data. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Project and Site Conditions January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 7 The concern for shallow infiltration at this site is not limited to whether or not ground water is able to infiltrate into the subsurface soils, but also the potential adverse effects that additional ground water would have on slope stability of site slopes. Another adverse effect that must be considered is the potential emergence of infiltrated ground water onto neighboring properties. It appears unlikely, in our opinion, that further geotechnical work would support the use of storm water infiltration for the project using conventional shallow infiltration strategies. We are available to discuss the potential for infiltration strategies further upon request. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Geologic Hazards and Mitigations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 8 II. GEOLOGIC HAZARDS AND MITIGATIONS The following discussion of potential geologic hazards is based on the geologic, slope, and shallow ground water conditions, as observed and discussed herein. 5.0 LANDSLIDE HAZARDS AND MITIGATIONS Geotechnical critical areas are discussed in RMC Section 4.3.050. Based on site geometry and City maps, it appears likely that the site contains slopes that meet geometric criteria for treatment as Sensitive Slopes, and Low, Medium, and High Landslide Hazard Areas. Most of these designations impose additional analysis requirements to be met in support of any development proposal but do not automatically impose limitations that would affect project layout. 6.0 SEISMIC HAZARDS AND MITIGATIONS Earthquakes occur regularly in the Puget Lowland. Most of these events are small and are usually not felt by humans. However, large earthquakes do occur, as evidenced by the 2001, 6.8-magnitude event; the 1965, 6.5-magnitude event; and the 1949, 7.2-magnitude event. The 1949 earthquake appears to have been the largest in this region during recorded history and was centered in the Olympia area. Evaluation of earthquake return rates indicates that an earthquake of the magnitude between 5.5 and 6.0 is likely within a given 20-year period. Generally, there are four types of potential geologic hazards associated with large seismic events: 1) surficial ground rupture, 2) seismically induced landslides, 3) liquefaction, and 4) ground motion. The potential for each of these hazards to adversely impact the proposed project is discussed below. 6.1 Surficial Ground Rupture The nearest known fault zone to the project site is the Seattle Fault Zone, located approximately one mile north of the site. Studies by the United States Geological Survey (USGS) (e.g., Johnson et al., 1994, Origin and Evolution of the Seattle Fault and Seattle Basin, Washington, Geology, v. 22, p.71-74 and Johnson et al., 1999, Active Tectonics of the Seattle Fault and Central Puget Sound Washington - Implications for Earthquake Hazards, Geological Society of America Bulletin, July 1999, v. 111, n. 7, p. 1042-1053) have provided evidence of surficial ground rupture along a northern splay of the Seattle Fault. According to the USGS studies, the latest movement of this fault was about 1,100 years ago when about 20 feet of surficial displacement took place. This displacement can presently be seen in the form of raised, wave-cut beach terraces along Alki Point in West Seattle and Restoration Point at the Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Geologic Hazards and Mitigations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 9 south end of Bainbridge Island. The recurrence interval of movement along this fault system is unknown, although it is hypothesized to be several thousand years. Due to the suspected long recurrence interval and the distance from the site to the currently recognized limits of the Seattle Fault Zone, the potential for surficial ground rupture is considered to be low during the expected life of the structures. 6.2 Seismically Induced Landslides A final geotechnical report for the project will include slope stability analyses completed under static and design level seismic conditions. Seismic slope stability modeling has not been completed at this time. 6.3 Liquefaction Liquefaction is a temporary loss in soil shear strength that can occur when loose granular soils below the ground water table are exposed to cyclic accelerations, such as those that occur during earthquakes. Our explorations suggest that the potential risk of damage to the proposed development by liquefaction is low, due to the dense glacially consolidated lodgement till sediments observed at shallow depths in most areas. 6.4 Ground Motion/Seismic Site Class (2015 International Building Code) Structural design of the buildings should follow 2015 International Building Code (IBC) standards. We recommend that the project be designed in accordance with Site Class “D” as defined in IBC Table 20.3-1 of American Society of Civil Engineers (ASCE) 7 – Minimum Design Loads for Buildings and Other Structures. 6.5 Erosion Control The site contains areas that meet City of Renton criteria for treatment as Erosion Hazard Areas. Project plans should include implementation of temporary erosion controls in accordance with local standards of practice. Control methods should include limiting earthwork to seasonally drier periods, typically April 1 to October 31, use of perimeter silt fences, and straw mulch in exposed areas. Removal of existing vegetation should be limited to those areas that are required to construct the project, and new landscaping and vegetation with equivalent erosion mitigation potential should be established as soon as possible after grading is complete. During construction, surface water should be collected as close as possible to the source to minimize silt entrainment that could require treatment or detention prior to discharge. Timely implementation of permanent drainage control measures should also be a part of the project plans, and will help reduce erosion and generation of silty surface water onsite. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Preliminary Design Recommendations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 10 III. PRELIMINARY DESIGN RECOMMENDATIONS 7.0 INTRODUCTION Our exploration indicates that, from a geotechnical standpoint, the proposed project is feasible provided the recommendations contained herein are properly followed. The bearing stratum is sufficiently shallow that conventional shallow foundations should perform well with proper subgrade preparation. Existing fill was observed in existing terraces onsite, and will require special preparation for construction of new structures. Ground water seepage was encountered in several of our explorations and is expected to be encountered during construction in significant excavations. Ground water was observed in our exploration pits on the south part of the site at lower elevations, and therefore may be a factor in design of the storm water management system. 8.0 SITE PREPARATION Site preparation should include removal of all grass, trees, brush, debris, and any other deleterious materials from structural areas. All existing fill around structures that have been demolished should be removed. If any heating oil storage tanks or other similar structures are discovered, they should be decommissioned and removed in accordance with applicable Washington State Department of Ecology regulations. Existing septic systems should be decommissioned in accordance with King County Health Department regulations and removed from below planned structures. Any depressions below planned final grades caused by demolition activities should be backfilled with structural fill, as discussed under the “Structural Fill” section of this report. The existing topsoil, grass, and shrubs should be removed from areas where new buildings, paving, or other structures are planned. The actual observed in-place depth of topsoil and sod at the exploration locations is presented on the exploration logs in the Appendix. After stripping, remaining roots and stumps should be removed from structural areas. All soils disturbed by stripping and grubbing operations should be recompacted as described below for structural fill. Once excavation to subgrade elevation is complete, existing fill should be addressed. Below building foundation areas, we recommend that existing fill be removed to expose underlying undisturbed native materials that are suitable for structural support. The resulting surface should be proof-rolled with a loaded dump truck or other suitable equipment. Any soft, loose, yielding areas or areas exposing existing fill should be excavated to expose suitable bearing soils. The subgrade should then be compacted to at least 95 percent of the modified Proctor maximum dry density, as determined by the ASTM D-1557 test procedure. Structural fill can then be placed to achieve desired grades, if needed. In areas of planned paving, similar Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Preliminary Design Recommendations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 11 preparation methods should be used; however, excavation need only extend 2 feet below planned paving subgrade elevation. We recommend that where existing fills underlie planned grade-sensitive utilities, such as gravity sewer lines, that the upper 2 feet of material below the pipe be prepared as described above for paving subgrades. 8.1 Cutoff Drains Grading challenges caused by ground water seepage would be significantly reduced if a cutoff drain was installed on the upslope side of the project prior to starting other earthwork. Ideally, the cutoff drain would be installed as early as possible and would cover the entire northern site boundary. It may be beneficial if the drain also extended along the west property boundary as far south as any planned substantial excavations in that area. Drains should consist of trenches at least 18 inches wide, excavated to a depth of at least 1 foot into dense silty soils underlying any recessional outwash or fill. The trenches should be provided with a 6-inch, perforated drainpipe, graded to drain to a suitable discharge, and backfilled to within 1 foot of the ground surface by washed drain rock. We recommend that cleanouts be provided at appropriate intervals to allow future maintenance. 8.2 Temporary Cut Slopes In our opinion, stable construction slopes should be the responsibility of the contractor and should be determined during construction. For estimating purposes, however, temporary, unsupported cut slopes can be planned at 1.5H:1V (Horizontal:Vertical) in the weathered till, fill, and recessional outwash deposits and at 1H:1V in dense, unweathered lodgement till. These slope angles are for areas where ground water seepage is not encountered, and assume that surface water is not allowed to flow across the temporary slope faces. If ground or surface water is present when the temporary excavation slopes are exposed, flatter slope angles or temporary shoring will be required. As is typical with earthwork operations, some sloughing and raveling may occur, and cut slopes may have to be adjusted in the field. In addition, WISHA/OSHA regulations should be followed at all times. 8.3 Site Disturbance Most of the on-site soils contain fine-grained material, which makes them moisture-sensitive and subject to disturbance when wet. The contractor must use care during site preparation and excavation operations so that the underlying soils are not softened. If disturbance occurs, the softened soils should be removed and the area brought to grade with structural fill. 8.4 Winter Construction Due to the silt content and existing moisture content of the site soils, it will be nearly impossible to use the existing soil as structural fill unless the fill can be placed during favorable Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Preliminary Design Recommendations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 12 dry weather conditions. If construction takes place in winter, drying is not expected to be feasible, and we anticipate that all of the excavated on-site materials will be unsuitable for structural fill applications. Even during dry weather, site soils excavated for installation of buried utilities might not be suitable for utility backfill under paving or other structures. We recommend budgeting for backfill of buried utility trenches in structural areas with imported select structural fill. For summer construction, significant, but unavoidable effort may be needed to scarify, aerate, and dry site soils that are above optimum moisture content to reduce moisture content prior to compaction in structural fill applications. The effort required to dry site soils would be reduced (but not eliminated) if the cutoff drain is installed, as recommended above. Care should be taken to seal all earthwork areas during mass grading at the end of each workday by grading all surfaces to drain and sealing them with a smooth-drum roller. Stockpiled soils that will be reused in structural fill applications should be covered whenever rain is possible. If winter construction is expected, crushed rock fill could be used to provide construction staging areas. The stripped subgrade should be observed by the geotechnical engineer, and should then be covered with a geotextile fabric, such as Mirafi 500X or equivalent. Once the fabric is placed, we recommend using a crushed rock fill layer at least 10 inches thick in areas where construction equipment will be used. 9.0 STRUCTURAL FILL All references to structural fill in this report refer to subgrade preparation, fill type, placement, and compaction of materials, as discussed in this section. If a percentage of compaction is specified under another section of this report, the value given in that section should be used. For backfill of buried utilities in the right-of-way, the backfill should be placed and compacted in accordance with the City of Renton codes and standards. After stripping, planned excavation, and any required overexcavation have been performed to the satisfaction of the geotechnical engineer/engineering geologist, the surface of the exposed ground should be recompacted to a firm and unyielding condition. If the subgrade contains too much moisture, adequate recompaction may be difficult or impossible to obtain, and should probably not be attempted. In lieu of recompaction, the area to receive fill should be blanketed with washed rock or quarry spalls to act as a capillary break between the new fill and the wet subgrade. Where the exposed ground remains soft and further overexcavation is impractical, placement of an engineering stabilization fabric may be necessary to prevent contamination of the free-draining layer by silt migration from below. After recompaction of the exposed ground is tested and approved, or a free-draining rock course is laid, structural fill may be placed to attain desired grades. Structural fill is defined as non-organic soil, acceptable to the geotechnical engineer, placed in maximum 8-inch loose lifts, with each lift being compacted to 95 percent of ASTM D-1557. The top of the compacted fill Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Preliminary Design Recommendations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 13 should extend horizontally outward a minimum distance of 3 feet beyond the locations of the perimeter footings or roadway edges before sloping down at a maximum angle of 2H:1V. The contractor should note that any proposed fill soils must be evaluated by AESI prior to their use in fills. This would require that we have a sample of the material at least 72 hours in advance to perform a Proctor test and determine its field compaction standard. Soils in which the amount of fine-grained material (smaller than the No. 200 sieve) is greater than approximately 5 percent (measured on the minus No. 4 sieve size) should be considered moisture-sensitive. The existing fill and lodgement till soils are estimated to contain substantially more than 5 percent fine-grained material. Use of moisture-sensitive soil in structural fills should be limited to favorable dry weather and dry subgrade conditions. Construction equipment traversing the site when the soils are wet can cause considerable disturbance. If fill is placed during wet weather or if proper compaction cannot be obtained, a select, import material consisting of a clean, free-draining gravel and/or sand should be used. Free-draining fill consists of non-organic soil, with the amount of fine-grained material limited to 5 percent by weight when measured on the minus No. 4 sieve fraction, and at least 25 percent retained on the No. 4 sieve. In order to reuse excavated on-site soils in structural fill applications, it will be necessary to moisture-condition wet site soils by aeration and drying during favorable dry weather conditions. Alternatives to drying site soils include using imported granular soils suitable for use in structural fill, or treating wet soils with Portland cement. 10.0 FOUNDATIONS Spread footings may be used for building support when they are founded on approved structural fill placed as described above, or on the glacial soils that are prepared as recommended in this report. Based on our observations, suitable foundation bearing soils are expected approximately up to 9 feet below the existing ground surface within the building lots. Existing fill should be removed and replaced with structural fill, as described in the “Site Preparation” section of this report. For residential structures, footings may be designed for an allowable foundation soil bearing pressure of 3,000 pounds per square foot (psf), including both dead and live loads. An increase of one-third may be used for short-term wind or seismic loading. Perimeter footings should be buried at least 18 inches into the surrounding soil for frost protection. However, all foundations must penetrate to the prescribed bearing strata, and no foundations should be constructed in or above loose, organic, or existing fill soils. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Preliminary Design Recommendations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 14 If a concrete storm water detention vault is proposed, it may be feasible to design vault foundations using higher foundation soil bearing pressures than those presented above for new homes. If a storm water vault is planned we should be allowed to offer situation-specific geotechnical engineering design recommendations. Anticipated settlement of footings founded, as recommended, should be on the order of ¾ inch or less, with differential settlement of ½ inch or less. However, disturbed material not removed from footing trenches prior to footing placement could result in increased settlements. All footing areas should be inspected by AESI prior to placing concrete to verify that the foundation subgrades are undisturbed and construction conforms to the recommendations contained in this report. Such inspections may be required by the City of Renton. Perimeter footing drains should be provided, as discussed under the “Drainage Considerations” section of this report. It should be noted that the area bounded by lines extending downward at 1H:1V from any footing must not intersect another footing or intersect a filled area that has not been compacted to at least 95 percent of ASTM D-1557. In addition, a 1.5H:1V line extending down and away from any footing must not daylight because sloughing or raveling may eventually undermine the footing. Thus, footings should not be placed near the edges of steps or cuts in the bearing soils. 11.0 FLOOR SUPPORT If crawl-space floors are used, an impervious moisture barrier should be provided above the soil surface within the crawl space. Slab-on-grade floors may be used over medium dense to very dense native soils, or over structural fill placed as recommended in the “Site Preparation” and “Structural Fill” sections of this report. Slab-on-grade floors should be cast atop a minimum of 4 inches of washed pea gravel or washed crushed “chip” rock with less than 3 percent passing the U.S. No. 200 sieve to act as a capillary break. The floors should also be protected from dampness by covering the capillary break layer with an impervious moisture barrier at least 10 mils in thickness. 12.0 DRAINAGE CONSIDERATIONS All footings, basement walls, and retaining walls should be provided with a drain at the footing elevation. Drains should consist of rigid, perforated, polyvinyl chloride (PVC) pipe surrounded by washed pea gravel. The level of the perforations in the pipe should be set downward and at the bottom of the footing at all locations, and the drain collectors should be constructed with sufficient gradient to allow gravity discharge away from the buildings. In addition, all foundation walls taller than 3 feet should be lined with a minimum, 12-inch-thick, washed gravel blanket drain provided to within 1 foot of finish grade that ties into the footing drain. Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Preliminary Design Recommendations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 15 A prefabricated drainage mat is not an acceptable alternative to the gravel blanket drain unless the entire excavation backfill consists of free-draining structural fill. Roof and surface runoff should not discharge into the footing drain system, but should be handled by a separate, rigid, tightline drain. In planning, exterior grades adjacent to foundations should be sloped downward away from the structures to achieve surface drainage. These recommendations apply to conventional shallow foundation walls and landscape walls less than about 4 feet tall. One should refer to the following section for walls up to 10 feet tall. 13.0 CAST-IN-PLACE RETAINING WALLS AND BASEMENT WALLS All backfill behind foundation walls or around foundation units should be placed as per our recommendations for structural fill and as described in this section of the report. Horizontally backfilled walls that are free to yield laterally at least 0.1 percent of their height may be designed to resist active lateral earth pressure represented by an equivalent fluid equal to 35 pounds per cubic foot (pcf). Fully restrained, horizontally backfilled, rigid walls that cannot yield should be designed for at-rest conditions and an equivalent fluid of 50 pcf. Walls with sloping backfill up to a maximum gradient of 2H:1V should be designed using an equivalent fluid of 55 pcf for yielding conditions or 75 pcf for fully restrained conditions. If parking areas are adjacent to walls, a surcharge equivalent to 2 feet of soil should be added to the wall height in determining lateral design forces. As required by the 2015 IBC, retaining wall design should include a seismic surcharge pressure in addition to the equivalent fluid pressures presented above. Considering the site soils and the recommended wall backfill materials, we recommend a seismic surcharge pressure of 5H and 10H psf, where H is the wall height in feet for the “active” and “at-rest” loading conditions, respectively. The seismic surcharge should be modeled as a rectangular distribution with the resultant applied at the midpoint of the walls. The lateral pressures presented above are based on the conditions of a uniform backfill consisting of excavated on-site soils, or imported structural fill compacted to 90 percent of ASTM D-1557. A higher degree of compaction is not recommended, as this will increase the pressure acting on the walls. A lower compaction may result in settlement of the slab-on-grade or other structures supported above the walls. Thus, the compaction level is critical and must be tested by our firm during placement. Surcharges from adjacent footings or heavy construction equipment must be added to the above values. Perimeter footing drains should be provided for all retaining walls, as discussed under the “Drainage Considerations” section of this report. It is imperative that proper drainage be provided so that hydrostatic pressures do not develop against the walls. This would involve installation of a minimum 1-foot-wide blanket drain to Minter Property Geotechnical Engineering Feasibility Report Renton, Washington Preliminary Design Recommendations January 18, 2017 ASSOCIATED EARTH SCIENCES, INC. DDV/ld - KE160641A3 - Projects\20160641\KE\WP Page 16 within 1 foot of finish grade for the full wall height using imported, washed gravel against the walls. If situations exist where a footing drain is not feasible for a foundation wall or retaining wall, the wall should be designed for saturated lateral earth pressures and a hydrostatic surcharge. We should be allowed to offer situation-specific recommendations if this situation arises. The use of drainage improvements as recommended herein does not alleviate the need for waterproofing where finished spaces are planned on the interior side of basement walls. Backfilled walls with finished interior space should be waterproofed in accordance with recommendations of the building designer. 13.1 Passive Resistance and Friction Factors Lateral loads can be resisted by friction between the foundation and the natural glacial soils or supporting structural fill soils, or by passive earth pressure acting on the buried portions of the foundations. The foundations must be backfilled with structural fill and compacted to at least 95 percent of the maximum dry density to achieve the passive resistance provided below. We recommend the following allowable design parameters: • Passive equivalent fluid = 250 pcf • Coefficient of friction = 0.30 14.0 PAVEMENT RECOMMENDATIONS The pavement for this project is expected to be supported by lodgement till sediments, recessional outwash, or structural fill soils. These soils should be suitable, with proper preparation, to allow the use of standard paving sections. The City of Renton minimum paving section for residential access streets is summarized in RMC 4-6-060 and is 4 inches of asphalt concrete paving (ACP) above 6 inches of crushed rock base. All depths given are compacted depths. All paving materials, base course materials, and placement procedures should comply with suitable standard specifications, such as the Washington State Department of Transportation (WSDOT) Standard Specifications for Road, Bridge, and Municipal Construction or other suitable specifications. All structural fill and all native subgrades less than 4 feet below finished grade for a planned roadway should be compacted to 95 percent of the modified Proctor maximum dry density, as determined by ASTM D-1557. Prior to structural fill placement or to placement of base course materials over native subgrades, the area should be proof-rolled under the observation of AESI with a loaded dump truck or other suitable equipment to identify any soft or yielding areas. Any soft or yielding areas should be repaired prior to continuing work. R E N T O N S E AT T L E T U K W I L A K I N G C O U N T Y Copyright:© 2013 National Geographic Society, i-cubed 0 20001000 FEE T ± NOTE : BLACK AND WHITEREPRODUCTION OF THIS COLORORIGINAL M AY RE DUCE ITSEFFECTIVENESS AND LEAD TOINCORRECT INTERPRETAT ION VICINITY MAP PROJ NO. DATE: FIGURE:KE 1606 41A 12/1 6 1 Document Path: G:\GIS_Projects\aTemplates\aVM_Template\VM_MXD\160641 Fig1 VM_Minter.mxdDATA SOURCES / REFERENCES:USGS: 24K SERIES TOPOGRAPHIC MAPSKING CO: STREETS, CITY LIMITS, PARCELS 2016 LOCATIONS AND DISTANCES SHOWN ARE APPROXIM ATE Ki ts apCounty Sno hom i sh Co unty Pierc e C ount y King Cou nty Renton Ave S S 130th St S 132nd St 84thAveS!( S I T E ¬«167 ¥4 0 5 MIN TER P ROP ERTYRENTON, WA SH ING TON NOTES: 1. BASE MAP REFERENCE: CONTOUR ENGINEERING LLC, MINTER PROPERTY, BOUNDARY AND TOPOGRAPHIC SURVEY, 5/17/13.160641 Minter \ 160641 F2 Site-Explr.cdrMINTER PROPERTY RENTON, WASHINGTON SITE AND EXPLORATION PLAN PROJ NO.DATE:FIGURE: KE160641A 12/16 2 BLACK AND WHITE REPRODUCTION OF THIS COLOR ORIGINAL MAY REDUCE ITS EFFECTIVENESS AND LEAD TO INCORRECT INTERPRETATION. a s s o c i a t e d e a r t h s c i e n c e s i n c o r p o r a t e d FEET 40 800 N CONTOUR INTERVAL = 2’ LEGEND: EXPLORATION PITEP NOTE: LOCATION AND DISTANCES SHOWN ARE APPROXIMATE. EP-6 EP-7 EP-5 EP-4 EP-1 EP-2 EP-3 EP-9 EP-8 APPENDIX Exploration Logs Laboratory Testing Results Elev. 242 feet Topsoil and Topsoil Fill Fill Loose to medium dense, very moist, yellowish brown, fine to medium SAND, with silt, few fine gravel, trace cobbles, trace debris - wire and plastic (SM). Recessional Outwash Medium dense, very moist, reddish brown, fine to medium SAND, with silt, little fine to coarse gravel (SM). Becomes mottled gray and brown. Bottom of exploration pit at depth 16.5 feet Weak seepage below 11 feet. No caving. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-1 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 246 feet Topsoil Lodgement Till Medium dense, very moist, mottled gray, fine to coarse SAND, with silt, little fine to coarse gravel, trace cobbles (SM). Becomes dense grading to very dense, gray. Bottom of exploration pit at depth 11 feet Weak seepage zones 4 to 5 feet and 7 feet. No caving. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-2 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 255 feet Fill Loose, very moist to wet, mixed, brown, gray, and dark gray, fine to coarse SAND, with silt, little to with fine to coarse gravel (SM). Lodgement Till Dense grading to very dense, very moist, gray, fine to coarse SAND, with silt, with fine to coarse gravel (SM). Bottom of exploration pit at depth 11.5 feet Weak seepage zones 3.5 to 8 feet. Slight to moderate caving above 8 feet. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-3 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 264 feet Fill Loose, very moist, brown, fine SAND, with silt, trace fine gravel. Drain lines bedded in washed rock - 8 feet +/- on center at 4 feet deep. Lodgement Till Dense grading to very dense, very moist, mottled gray to gray, fine to coarse SAND, with silt, little to with fine gravel (SM). Bottom of exploration pit at depth 11 feet No seepage. Slight caving above 5 feet. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-4 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 264 feet Gravel Fill and Topsoil Fill Loose, very moist, brown, fine SAND, with silt, little fine to coarse gravel, trace concrete rubble and plastic drain pipe bedded in washed rock at ~4 feet (SM). Lodgement Till Dense grading to very dense, very moist, gray, fine to coarse SAND, with silt, trace fine to coarse gravel (SM). Poly pipe in ditch at 7 feet. Bottom of exploration pit at depth 11 feet No seepage or caving. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-5 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 295 feet Fill Loose, wet, brown, fine to coarse SAND, with silt, concrete and asphalt rubble, wood (logs, roots, sticks) (SM). Recessional Outwash Medium dense, very moist, gray, silty fine to coarse SAND, with silt, trace fine gravel (SM). Bottom of exploration pit at depth 12 feet Weak seepage 0 to 9 feet. Moderate caving 0 to 9 feet. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-6 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 275 feet Lodgement Till Medium dense grading to dense, mottled gray, fine to coarse SAND, with silt, little fine to coarse gravel (SM). Bottom of exploration pit at depth 4 feet Exploration termianted due to space constraints. No seepage or caving. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-7 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 247 feet Gravel Surface Fill Loose, very moist to wet, brown, fine to coarse SAND, with silt, trace gravel, drainpipe backfilled with washed rock at 4 feet (SM). Recessional Outwash Medium dense to dense, very moist, brown, fine to coarse SAND, few silt, few fine to coarse gravel (SW). Bottom of exploration pit at depth 9 feet Weak seepage 3 to 6 feet. Slight caving 3 to 6 feet. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-8 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Elev. 241 feet Topsoil and Topsoil Fill Lodgement Till Medium dense grading to dense, very moist to wet, mottled gray, fine SAND, with silt (SM). Bottom of exploration pit at depth 11 feet Weak seepage below 3 feet. No caving. DESCRIPTION Renton, WA Minter Property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 This log is part of the report prepared by Associated Earth Sciences, Inc. (AESI) for the named project and should be readtogether with that report for complete interpretation. This summary applies only to the location of this trench at the time ofexcavation. Subsurface conditions may change at this location with the passage of time. The data presented are a simplficationof actual conditions encountered. Logged by: BWG Approved by: BWG 3/28/07 Project No. KE160641A LOG OF EXPLORATION PIT NO. EP-9 Depth (ft)KCTP3 160641.GPJ December 28, 2016 Proctor Analysis ASTM D1557, D698 Date Sampled Project Project No.Soil Description Minter Property KE160641A Tested By Collected By Location EB/EP No.Depth MS BG Southeast Site EP-2 4' Percent passing 3/4" sieve:97% A Mold Number 1 2 3 B Water Added field wet dry C Wt. of Wet Soil + Mold (lb)23.150 22.955 22.850 D Wt. of Mold (lb)12.405 12.405 12.405 E Wt. of Wet Soil (lb)10.745 10.550 10.445 F Wet Density, (pcf)144.327 141.708 140.297 G Wt. of Pan (lb)0.495 0.490 0.500 H Wt. of Wet Soil + Pan (lb)3.600 2.480 2.460 J Wt. of Dry Soil + Pan (lb)3.330 2.275 2.335 K Wt. of Water (lb)0.270 0.205 0.125 M Wt. of Dry Soil (lb)2.835 1.785 1.835 N Moisture Content (%)9.5 11.5 6.8 O Dry Density (pcf)131.8 127.1 131.3 Z For a 6 inch mold: Z = 0.074449 For a 4" mold: Z = 0.0333 Optimum Moisture Percentage: Maximum Dry Density: Corrected Moisture Percentage: Corrected Maximum Dry Density: Assumed Specific Gravity:2.7 ASSOCIATED EARTH SCIENCES, INC. 911 Fifth Ave., Suite 100 Kirkland, WA 98033 425-827-7701 FAX 425-827-5424 Correction for oversize: ASTM D4718 Remarks N/A 132.0 N/A Test Results: 8.0 3/28/2007 Automatic Tamper SAND trace gravel silt ASTM D1557 Method C 110.0 115.0 120.0 125.0 130.0 135.0 140.0 0.0 5.0 10.0 15.0 20.0dry density.(pcf)moisture content, % Moisture Content ASTM D 2216 Date Sampled Project Project No.Soil Description 3/28/2007 Minter Property KE160641A Tested By Location EB/EP No.Depth Various MS Onsite Sample ID EP-1 8.5'EP-1 14'EP-2 3' Wet Weight + Pan 455.0 533.2 388.5 Dry Weight + Pan 401.4 467.1 349.4 Weight of Pan 99.6 100.8 99.8 Weight of Moisture 53.6 66.1 39.1 Dry Weight of Soil 301.8 366.3 249.6 % Moisture 17.8 18.0 15.7 Sample ID EP-2 7'EP-3 3'EP-3 1-5' Wet Weight + Pan 329.5 377.9 362.3 Dry Weight + Pan 302.9 347.0 330.9 Weight of Pan 100.7 101.0 97.9 Weight of Moisture 26.6 30.9 31.4 Dry Weight of Soil 202.2 246.0 233.0 % Moisture 13.2 12.6 13.5 Sample ID EP-3 9'EP-4 8'EP-4 12' Wet Weight + Pan 414.0 458.5 331.0 Dry Weight + Pan 382.9 422.4 296.5 Weight of Pan 101.3 100.5 100.0 Weight of Moisture 31.1 36.1 34.5 Dry Weight of Soil 281.6 321.9 196.5 % Moisture 11.0 11.2 17.6 Sample ID EP-5 10'EP-7 5'EP-8 8' Wet Weight + Pan 327.0 520.5 350.1 Dry Weight + Pan 301.5 459.4 317.6 Weight of Pan 101.4 99.7 95.7 Weight of Moisture 25.5 61.1 32.5 Dry Weight of Soil 200.1 359.7 221.9 % Moisture 12.7 17.0 14.6 ASSOCIATED EARTH SCIENCES, INC. 911 5th Ave., Suite 100 Kirkland, WA 98033 425-827-7701 FAX 425-827-5424 Moisture Content ASTM D 2216 Date Sampled Project Project No.Soil Description 3/28/2007 Minter Property KE160641A Tested By Location EB/EP No.Depth Various MS Onsite Sample ID EP-9 4'EP-9 7' Wet Weight + Pan 318.0 394.2 Dry Weight + Pan 280.6 335.5 Weight of Pan 98.8 99.5 Weight of Moisture 37.4 58.7 Dry Weight of Soil 181.8 236.0 % Moisture 20.6 24.9 ASSOCIATED EARTH SCIENCES, INC. 911 5th Ave., Suite 100 Kirkland, WA 98033 425-827-7701 FAX 425-827-5424 Blank Tab for Appendix Blank Tab for Appendix Appendix D Stormwater Solutions from Contech® www.ContechES.com/stormwater 800-338-1122 © 2013 Contech Engineered Solutions Page 1 ENGINEERED SOLUTIONS OperatiOn and Maintenance catchBasin StormFilter™ Important: These guidelines should be used as a part of your site stormwater plan. Overview The CatchBasin StormFilter™ (CBSF) consists of a multi-chamber steel, concrete, or plastic catch basin unit that can contain up to four StormFilter cartridges. The steel CBSF is offered both as a standard and as a deep unit. The CBSF is installed flush with the finished grade and is applicable for both constrained lot and retrofit applications. It can also be fitted with an inlet pipe for roof leaders or similar applications. The CBSF unit treats peak water quality design flows up to 0.13 cfs, coupled with an internal weir overflow capacity of 1.0 cfs for the standard unit, and 1.8 cfs for the deep steel and concrete units. Plastic units have an internal weir overflow capacity of 0.5 cfs. Design Operation The CBSF is installed as the primary receiver of runoff, similar to a standard, grated catch basin. The steel and concrete CBSF units have an H-20 rated, traffic bearing lid that allows the filter to be installed in parking lots, and for all practical purposes, takes up no land area. Plastic units can be used in landscaped areas and for other non-traffic-bearing applications. The CBSF consists of a sumped inlet chamber and a cartridge chamber(s). Runoff enters the sumped inlet chamber either by sheet flow from a paved surface or from an inlet pipe discharging directly to the unit vault. The inlet chamber is equipped with an internal baffle, which traps debris and floating oil and grease, and an overflow weir. While in the inlet chamber, heavier solids are allowed to settle into the deep sump, while lighter solids and soluble pollutants are directed under the baffle and into the cartridge chamber through a port between the baffle and the overflow weir. Once in the cartridge chamber, polluted water ponds and percolates horizontally through the media in the filter cartridges. Treated water collects in the cartridge’s center tube from where it is directed by an under-drain manifold to the outlet pipe on the downstream side of the overflow weir and discharged. When flows into the CBSF exceed the water quality design value, excess water spills over the overflow weir, bypassing the cartridge bay, and discharges to the outlet pipe. Applications The CBSF is particularly useful where small flows are being treated or for sites that are flat and have little available hydraulic head to spare. The unit is ideal for applications in which standard catch basins are to be used. Both water quality and catchment issues can be resolved with the use of the CBSF. Retro-Fit The retrofit market has many possible applications for the CBSF. The CBSF can be installed by replacing an existing catch basin without having to “chase the grade,” thus reducing the high cost of re piping the storm system. Stormwater Solutions from Contech® www.ContechES.com/stormwater 800-338-1122 © 2013 Contech Engineered Solutions Page 2 ENGINEERED SOLUTIONS OperatiOn and Maintenance catchBasin StormFilter™ Maintenance Guidelines Maintenance procedures for typical catch basins can be applied to the CatchBasin StormFilter (CBSF). The filter cartridges contained in the CBSF are easily removed and replaced during maintenance activities according to the following guidelines. 1. Establish a safe working area as per typical catch basin service activity. 2. Remove steel grate and diamond plate cover (weight 100 lbs. each). 3. Turn cartridge(s) counter-clockwise to disconnect from pipe manifold. 4. Remove 4” center cap from cartridge and replace with lifting cap. 5. Remove cartridge(s) from catch basin by hand or with vactor truck boom. 6. Remove accumulated sediment via vactor truck (min. clearance 13” x 24”). 7. Remove accumulated sediment from cartridge bay. (min. clearance 9.25” x 11”). 8. Rinse interior of both bays and vactor remaining water and sediment. 9. Install fresh cartridge(s) threading clockwise to pipe manifold. 10. Replace cover and grate. 11. Return original cartridges to Contech for cleaning. Media may be removed from the filter cartridges using the vactor truck before the cartridges are removed from the catch basin structure. Empty cartridges can be easily removed from the catch basin structure by hand. Empty cartridges should be reassembled and returned to Contech as appropriate. Materials required include a lifting cap, vactor truck and fresh filter cartridges. Contact Contech for specifications and availability of the lifting cap. The vactor truck must be equipped with a hose capable of reaching areas of restricted clearance. the owner may refresh spent cartridges. Refreshed cartridges are also available from Contech on an exchange basis. Contact the maintenance department of Contech at 503-258-3157 for more information. Maintenance is estimated at 26 minutes of site time. For units with more than one cartridge, add approximately 5 minutes for each additional cartridge. Add travel time as required. Mosquito Abatement In certain areas of the United States, mosquito abatement is desirable to reduce the incidence of vectors. In BMPs with standing water, which could provide mosquito breeding habitat, certain abatement measures can be taken. 1. Periodic observation of the standing water to determine if the facility is harboring mosquito larvae. 2. Regular catch basin maintenance. 3. Use of larvicides containing Bacillus thuringiensis israelensis (BTI). BTI is a bacterium toxic to mosquito and black fly larvae. In some cases, the presence of petroleum hydrocarbons may interrupt the mosquito growth cycle. Using Larvicides in the CatchBasin StormFilter Larvicides should be used according to manufacturer’s recommendations. Two widely available products are Mosquito Dunks and Summit B.t.i. Briquets. For more information, visit http://www. summitchemical.com/mos_ctrl/d efault.htm. The larvicide must be in contact with the permanent pool. The larvicide should also be fastened to the CatchBasin StormFilter by string or wire to prevent displacement by high flows. A magnet can be used with a steel catch basin. For more information on mosquito abatement in stormwater BMPs, refer to the following: http://www.ucmrp.ucdavis.edu/ publications/managingmosquitoesstormwater8125.pdf Blank Tab for Appendix Blank Tab for Appendix Appendix E Kirkland Office | 911 Fifth Avenue | Kirkland, WA 98033 P | 425.827.7701 F| 425.827.5424 Everett Office | 2911 ½ Hewitt Avenue, Suite 2 | Everett, WA 98201 P | 425.259.0522 F | 425.827.5424 Tacoma Office | 1552 Commerce Street, Suite 102 | Tacoma, WA 98402 P | 253.722.2992 F | 253.722.2993 www.aesgeo.com August 30, 2017 Project No. 160641E001 Blue Fern Development 11232 120th Avenue NE Kirkland, Washington 98033 Attention: Mr. John Groves Subject: Geotechnical Report Addendum Porous Pavement Feasibility Minter Property South 132nd Street and Renton Avenue South Renton, Washington Reference: Supplementary Geotechnical Engineering Report Shoring Wall and Detention Vault Recommendations Dated May 1, 2017 Geotechnical Engineering Feasibility Report Dated January 18, 2017 Dear Mr. Groves: As requested by the project civil engineer, this letter-report presents our opinion concerning the feasibility of using porous pavement as part of the development of the Minter property project. We are familiar with the project through the completion of the referenced site-specific explorations and geotechnical design reports. Three exploration borings and nine test pits were completed on the project site. The explorations encountered existing fill up to 10 feet in thickness mantling native soils. Native materials encountered beneath the fill consisted primarily of very dense silty lodgement till sediments. A limited thickness of medium dense stratified sand interpreted as recessional outwash deposits were encountered above the till in three of the test pits and two of the borings. The outwash, where encountered, was not continuous between adjacent exploration locations and was not encountered at all in most of our explorations. In our deeper explorations, the till soils were underlain by very dense, tuffaceous sandstone from the Tukwila Formation.