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Home My WebLink AboutR-436330co C-O cM 0 Uj 1 VJ Uj G 0 2 Z 0 I- rr Uj �0 V i 3 cr J O cn 0 I E N n C O U 0 0 U U c O� U) Q U N (D CL. rn QJ E O L C 3 0 a Q> 0 Cn r-) 00 N O O N O O O O N O O O O N r E DocuSign Envelope ID: 3B1B34D3-7EOA-476C-ADB3-4329FFEOC108 BIORETENTION SOIL MIX BIORETENTION SOIL MIX (BSM) SHALL BE A WELL -BLENDED HOMOGENEOUS MIXTURE OF 60 TO 65 PERCENT BY VOLUME MINERAL AGGREGATE FOR BIORETENTION SOIL AND 35 TO 40 PERCENT BY VOLUME COMPOST AS DETAILED IN THE TABLES BELOW. MINERAL AGGREGATE FOR BIORETENTION SOIL TABLE: MINERAL AGGREGATE GRADATION SIEVE SIZE PERCENT PASSING 3/8-INCH 100 PERCENT U.S. NO. 4 95 TO 100 PERCENT U.S. NO. 10 75 TO 90 PERCENT U.S. NO. 40 25 TO 40 PERCENT U.S. NO. 100 4 TO 10 PERCENT U.S. NO. 200 2 TO 4 PERCENT MINERAL AGGREGATE FOR BIORETENTION SOIL MUST BE FREE OF WOOD, WASTE, COATING, OR ANY OTHER DELETERIOUS MATERIAL, AND ALL AGGREGATE PASSING THE NO. 200 SIEVE SIZE MUST BE NON -PLASTIC. MINERAL AGGREGATE MUST BE ANALYZED BY AN ACCREDITED LAB USING THE SIEVE SIZES NOTED IN THE TABLE TO THE LEFT, AND MUST MEET THE REQUIRED GRADATIONS. COMPOST TABLE: COMPOST GRADATION SIEVE SIZE MIN. PERCENT PASSING 2-INCH 100 PERCENT 1-INCH 99 PERCENT 5/8-INCH 90 PERCENT 1/4-INCH 75 PERCENT COMPOST MUST ORIGINATE A MINIMUM 65 PERCENT BY VOLUME FROM RECYCLED PLANT WASTE COMPRISED OF YARD DEBRIS, CROP RESIDUES, AND BULKING AGENTS, AND MEET THE DEFINITION OF "COMPOSTED MATERIAL" IN WAC 173-350-100. COMPOST SHALL HAVE A MOISTURE CONTENT THAT HAS NO VISIBLE FREE WATER OR DUST PRODUCED WHEN HANDLING THE MATERIAL. COMPOST SHALL HAVE AN ORGANIC MATTER CONTENT OF 40 PERCENT TO 65 PERCENT BY DRY WEIGHT, A CARBON TO NITROGEN RATIO BELOW 25:1, AND A pH BETWEEN 6.0 AND 8.0 ABORIST WOOD CHIP MULCH TABLE: ARBORIST WOOD CHIP MULCH GRADATION SIEVE SIZE PERCENT PASSING 6-INCH 100 PERCENT 2-INCH 95 TO 100 PERCENT 1-INCH 70 TO 100 PERCENT 5/8-INCH 0 TO 50 PERCENT U.S. NO.4 0 TO 30 PERCENT ARBORIST WOOD CHIP MULCH SHALL BE COARSE GROUND WOOD CHIPS (APPROXIMATELY 1/2" TO 6" ALONG THE LONGEST DIMENSION) DERIVED FROM THE MECHANICAL GRINDING OR SHREDDING OF THE ABOVE -GROUND PORTIONS OF TREES. IT MAY CONTAIN WOOD, WOOD FIBER, BARK, BRANCHES, AND LEAVES, BUT MAY NOT CONTAIN WEEDS, WEED SEEDS, OR VISIBLE AMOUNTS OF SOIL. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) STD. PLAN - 262.60 ' PUBLIC WORKS BIORETENTION SOIL MIX, COMPOST, 69M dby: DEPARTMENT AND MULCH SPECIFICATION martin Pastucha 8/13/20 Martin Pastucha 019B'V'OAHsD®88G4@D... DATE BIORETENTION SOIL MIX NTS 1 NW 1/4 OF NW 1/4 & THE NE 1/4 OF NW 1/4 SEC 9, TWN 23 N, RGE05E,W.M. DocuSign Envelope ID: 3B1B34D3-7EOA-476C-ADB3-4329FFEOC108 SEE NOTE 1 TOP OF BANK ELEVATION 6" MIN. CONCRETE CURB, SEE STD. PLAN 101 1" FREEBOARD ROADWAY OR 2 PARKING LOT T - i TOP OF PONDING t 6„ TRANSITION ZONE SOIL, SEE NOTES 3 AND 4 2%4" DEPTH ARBORIST WOOD CHIP MULCH, SEE STD. PLAN 262.60 BIORETENTION SOIL MIX, SEE NOTE 5 BIORETENTION ADJACENT TO CURB SEE NOTE 2 SIDEWALK, LANDSCAPING, 6" MIN. 1" DRIVEWAY, OR PAVEMENT FREEBOARD 2% TOP OF PONDING - TRANSITION ZONE SOIL, SEE NOTES 3 AND 4 2"-4" DEPTH ARBORIST WOOD CHIP MULCH, SEE STD. PLAN 262.60 7n y v rj BIORETENTION SOIL MIX, SEE NOTE 5 BIORETENTION ADJACENT TO SIDEWALK, LANDSCAPING, DRIVEWAY. OR PAVEMENT WITH FLUSH CURB OR NO CURB 1. THE FOLLOWING MINIMUM SETBACKS SHALL BE PROVIDED FOR FACILITIES WITH SLOPED SIDES ADJACENT TO CURB: 1.1. 4-FOOT MIN. FROM FACE OF CURB TO TOP OF SLOPE ADJACENT TO MAJOR ARTERIAL STREET. 1.2. 2-FOOT MIN. FROM FACE OF CURB TO TOP OF SLOPE ADJACENT TO MINOR ARTERIAL AND COLLECTOR ARTERIAL STREET. 1.3. 1-FOOT MIN. FROM FACE OF CURB TO TOP OF SLOPE ADJACENT TO NON -ARTERIAL STREET OR PARKING LOT WITH NON -FLUSH CURB. 2. THE FOLLOWING MINIMUM SETBACKS SHALL BE PROVIDED FOR FACILITIES WITH SLOPED SIDES ADJACENT TO FLUSH CURB OR NO CURB: 2.1. 2-FOOT MIN. FROM EDGE OF DRIVEWAY OR PAVEMENT TO TOP OF SLOPE ADJACENT TO DRIVEWAY OR PAVEMENT. 2.2. 1-FOOT MIN. FROM EDGE OF SIDEWALK OR LANDSCAPING TO TOP OF SLOPE ADJACENT TO SIDEWALK OR LANDSCAPING. 3. COMPACT TRANSITION ZONE SOIL IMMEDIATELY BEHIND CURB TO 90% MAX. STANDARD PROCTOR DENSITY (ASTM D698). 4. TRANSITION ZONE SOIL SHALL BE BIORETENTION SOIL MIX OR AMENDED SOIL PER GENERAL NOTE 1. 5. 18" MINIMUM BIORETENTION SOIL MIX PER STD. PLAN 262.60 TO TOP OF PONDING DEPTH. GENERAL NOTES: 1. SOIL AMENDMENT: SCARIFY OR TILL SUBGRADE TO 3-INCH DEPTH. PLACE 3-INCHES OF TOPSOIL ON SURFACE AND TILL INTO 5-INCHES OF SITE SOIL. SCARIFICATION DOES NOT APPLY TO LINED FACILITIES. TOPSOIL SHALL HAVE A MINIMUM ORGANIC MATTER CONTENT OF 10 % DRY WEIGHT IN PLANTING BEDS AND 5% IN TURF AREAS, AND A pH FROM 6.0 TO 8.0 OR MATCHING THE pH OF THE ORIGINAL UNDISTURBED SOIL. 2. SEE STD. PLAN 262.30 FOR CURB CUTS. 3. FOR FACILITIES WITH LINERS, PROVIDE LINER ANCHOR PER WSDOT SPECIFICATIONS 8-29.3(2). 4. SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) STD. PLAN - 262.20 Aoft PUBLIC WORKS b°��tf3(1Redby: j[11A DEPARTMENT BIORETENTION -EDGE TREATMENTS actin Pastucha /13/2020 Martin Pastucha DATE 6@8N3MFO®8B440D... BIORETENTION - EDGE TREATMENTS • Call 811 • • two business days before you dig 2 CIVIL CONSTRUCTION PERMIT - 3RD SUBMITTAL 1 CIVIL CONSTRUCTION PERMIT - 2ND SUBMITTAL 0 CIVIL CONSTRUCTION PERMIT NO. REVISION NTS SURVEYED: ZLN DESIGNED: MDR JSF 12/8/2025 JSF JSF 08/31/2025 JSF DRAWN: RAG MDR 05/27/20241 JSF CHECKED: MNF BY DATE APPR APP�vEo: JSF ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY 1 8:48 DocuSign Envelope ID: 3131B34D3-7EOA-476C-ADB3-4329FFEOC108 (1) OPEN PICKHOL �ZIJ�Z[tl��1.LiLLtl (2) 3/8"-16 SS SOCKET HEAD CAP SCREW (ALLENHEAD) W/WSHRS ON A 8" DIA BOLT CIRCLE 9" DIA 5/ " 4" 8-13/16" DIA 8-1/8" DIA 10-112" DIA 15" DIA 5/8" FRAME SECTION COVER SECTION CAST IRON FRAME AND PAVED AREA (TYP.) COVER, SEE NOTE 3 EXTEND CLEANOUT RISER 2" ABOVE DESIGNSIGN PONDING D I I ELEVATION OR PER PLAN FERNCO GASKETED QUIK CAP OR SIMILAR 4 a a DESIGN PONDING 8" CLASS "B" ELEVATION 4" STREAMBED COBBLES PER WSDOT 9-03.11(2) ASPHALT, SEE NOTE 4 CLEANOUT RISER, SEE NOTE 2 SOIL TIGHT 45" BEND WYE SOIL TIGHT COUPLER UNDERDRAIN, FOOTING DRAIN COLLECTOR, OR ROOF DRAIN COLLECTOR \: PIPE, SEE NOTE 1 r� TO OVERFLOW STRUCTURE OR STORM MAIN 4" COMPACTED SAND OR TGRAVEL BACKFILL FOR DRAINS � PER WSDOT 9-03.12(4) CLEANOUT RISER, SEE NOTE 2 -MECHANICAL PLUG OR CONTINUED CONNECTION TYPICAL CLEANOUT CONFIGURATION CLEANOUT RISER LOCATED WITHIN BIORETENTION PONDING AREA NOTES: 1. DIAMETER TO BE 6-INCHES MINIMUM PRIVATE, 8-INCHES MINIMUM PUBLIC. UNDERDRAIN PIPE PER STD. PLAN 262.10. 2. CLEANOUT RISER SHALL BE SAME MATERIAL AS CONNECTED UNDERDRAIN, FOOTING DRAIN COLLECTOR, OR ROOF DRAIN COLLECTOR PIPE. 3. FRAME AND COVER SHALL BE EJ PRODUCTS 3675Z1PT AND 3675APT OR APPROVED EQUAL. COVER TO BE LOCKING WITH ALLEN HEAD BOLT, MARKED "STORM" OR "DRAIN". 4. FOR CLEANOUTS FULLY OR PARTIALLY WITHIN UNPAVED AREAS OUTSIDE OF BIORETENTION PONDING AREA, POUR 8" THICK, 2'x2' SQUARE CONCRETE COLLAR AROUND FRAME. CONCRETE COLLAR SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 3,000 PSI. GENERAL NOTES: 1. CLEANOUTS FOR UNDERDRAIN, FOOTING DRAIN COLLECTOR, AND ROOF DRAIN COLLECTOR PIPES SHALL BE INSTALLED AT A MINIMUM OF EVERY 100 FEET, AT EVERY 90 DEGREE OR SECOND 45 DEGREE BEND, AT THE END OF EVERY COLLECTOR PIPE, AND AT EACH END OF AN UNDERDRAIN PIPE NOT CONNECTED TO AN OVERFLOW STRUCTURE. CLEANOUTS SHALL BE INSTALLED TO ALLOW FOR MAINTENANCE ACCESS TO ALL PIPES. 2. ALL FITTINGS SHALL BE SOIL TIGHT. 3. CLEANOUT RISER SHALL BE LOCATED OUTSIDE OF BIORETENTION PONDING WHERE POSSIBLE. 4. CLEANOUTS SHALL NOT BE LOCATED WITHIN THE STREET TRAVEL LANE, UNLESS OTHERWISE APPROVED BY THE CITY. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) STD. PLAN - 226.00 }' PUBLIC WORKS 9dD$hedby: DEPARTMENT STORM SYSTEM CLEANOUT MaWagaritbiAn Pastucha 8/13/zo �,4rpygp,Q,9D_. DATE STORM SYSTEM CLEANOUT �' OF WASgI ® o 39847 1601 5th Avenue, Suite 1600 �EGIST- Seattle, WA 98101 10 AL E206.622.5822 12/09/2025 www.kpff.com CITY OF RENTON Planning/Building/Public Works Dept. NTS 1 R-436330 IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING �ID HBray 12/31 /2025 SOLERA TOWNHOMES 2842 NE SUNSET BLVD RENTON, WA 98056 STORM DETAILS DATE: 05/30/202 PAGE: DRAWING NO. C6.32 SHEET*30 OF.55 co co O O C0 I..L Liz co O O O N