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HomeMy WebLinkAboutR-4290130 N 0 W W 5 O 2 >Z O W U n I— Z Q rr CU 7 TOPOGRAPHY, BOUNDARY, AND UTILITIES STATEMENT: FURR ENGINEERING SERVICES PLLC. DOES NOT WARRANT THE TOPOGRAPHY, BOUNDARY, AND/OR EXISTING UTILITIES SHOWN ON THESE PLANS. IT IS THE CONTRACTORS' RESPONSIBILITY TO HAVE ALL EXISTING IMPROVEMENTS FIELD VERIFIED PRIOR TO CONSTRUCTION. ANY SUBSURFACE EXPLORATION OF EXISTING UNDERGROUND UTILITIES (POWER, WATER, SEWER, TELECOM, ETC.) SHALL BE PERFORMED BY THE CONTRACTOR. DISCREPANCIES BETWEEN WHAT IS SHOWN ON THE PLANS AND LOCATED BY THE CONTRACTOR SHALL BE BROUGHT TO THE ATTENTION OF FURR ENGINEERING SERVICES PLLC.. PRIOR TO CONSTRUCTION ACTIVITIES. FLOC IF --- INLET -- e / TOP SLAB ACCESS SEE FRAME AND COVER DETAIL CONTRACTOR TO GROUT TO FINISHED GRADE GRADE RING/RISERS NE 1/4 OF THE SW 1/4 OF SEC. 20, T. 23N., R. 05 E, W.M. GRANT PLACE TOWNHOMES PLAN VIEW STANDARD OUTLET RISER FLOWKIT: 42A _ OUTLET SUMP A rQJOUTLET 6'-0" [018291 I.D. MANHOLE STRUCTURE �(OT-0" [021341) O.D. J a I FLOATABLES STORMFILTER BAFFLE CARTRIDGE Q U w Q c" W 04 z 00 INLET PIPE --/ l a I I I I I � I l� Know what's below. Call before you dig. a - FLOW KIT 0 j z OUTLET SUMP U w HDPE OUTLET RISER z� —O SECTION A -A = _ ° The Stormwater Management StormFilter0 THIS PRODUCT MAY BE PROTECTED BY ONE OR MORE OF THE FOLLOWING U.S. PATENTS: 5,322,629; 5,524,576; 5,707,527; 5,985,157; 6,027,639; 6,649,048; RELATED FOREIGN PATENTS, OR OTHER PATENTS PENDING. 8/23/2024 STORMFILTER DESIGN NOTES STORMFILTER TREATMENT CAPACITY IS A FUNCTION OF THE CARTRIDGE SELECTION AND THE NUMBER OF CARTRIDGES. THE STANDARD MANHOLE STYLE IS SHOWN WITH THE MAXIMUM NUMBER OF CARTRIDGES (7). VOLUME SYSTEM IS ALSO AVAILABLE WITH MAXIMUM 7 CARTRIDGES. 06-0" [1829 mm] MANHOLE STORMFILTER PEAK HYDRAULIC CAPACITY IS 1.5 CFS [42.5 Us]. IF THE SITE CONDITIONS EXCEED 1.5 CFS [42.5 L/s] AN UPSTREAM BYPASS STRUCTURE IS REQUIRED. CARTRIDGE SELECTION CARTRIDGE HEIGHT 27" [686 mm] 18" [458 mm] LOW DROP RECOMMENDED HYDRAULIC DROP (H) 3.05' [930 mm] 2.3' [700 mm] 1.8' [550 mm] SPECIFIC FLOW RATE (gpm/sf) [L/s/m2] 2 [1.30] 1.67* [1.08] 1 [0.65] 2 [1.30] 1.67* [1.08] 1 [0.65] 2 [1.30] 1.67* [1.08] 1 [0.65] CARTRIDGE FLOW RATE (gpm) [L/s] 22.5 [1.42] 18.79 [1.19] 11.25 [0.71] 15 [0.95] 12.53 [0.79] 7.5 [0.44] 10 [0.63] 8.35 [0.54] 5 [0.32] * 1.67 gpm/sf [1.08 L/s/m2] SPECIFIC FLOW RATE IS APPROVED WITH PHOSPHOSORBR (PSORB) MEDIA ONLY FRAME AND COVER (DIAMETER VARIES) N.T.S. SITE SPECIFIC DATA REQUIREMENTS STRUCTUREID SFMH#1 WATER QUALITY FLOW RATE (cfs) [L/s] 0.0266 CFS PEAK FLOW RATE (cfs) [L/s] 0.1153 CFS RETURN PERIOD OF PEAK FLOW (yrs) 2 CARTRIDGE HEIGHT (SEE TABLE ABOVE) 18" NUMBER OF CARTRIDGES REQUIRED 7 PSC CARTRIDGE FLOW RATE 10.0167 CFS MEDIA TYPE (PERLITE, ZPG, PSORB) I ZPG PIPE DATA: I.E. MATERIAL DIAMETER INLET PIPE #1 (S) 290.82 LCPE 12" INLET PIPE #2 OUTLET PIPE (W) 288.59 LCPE 12" RIM ELEVATION 300.59 ANTI -FLOTATION BALLAST WIDTH HEIGHT 6" 12" NOTES/SPECIAL REQUIREMENTS: * PER ENGINEER OF RECORD GENERAL NOTES 1. CONTECH TO PROVIDE ALL MATERIALS UNLESS NOTED OTHERWISE. 2. DIMENSIONS MARKED WITH () ARE REFERENCE DIMENSIONS. ACTUAL DIMENSIONS MAY VARY. 3. FOR SITE SPECIFIC DRAWINGS WITH DETAILED VAULT DIMENSIONS AND WEIGHTS, PLEASE CONTACT YOUR CONTECH ENGINEERED SOLUTIONS LLC REPRESENTATIVE. www.ContechES.com 4. STORMFILTER WATER QUALITY STRUCTURE SHALL BE IN ACCORDANCE WITH ALL DESIGN DATA AND INFORMATION CONTAINED IN THIS DRAWING. 5. STRUCTURE SHALL MEET AASHTO HS-20 LOAD RATING, ASSUMING EARTH COVER OF 0' - 5' [1524 mm] AND GROUNDWATER ELEVATION AT, OR BELOW, THE OUTLET PIPE INVERT ELEVATION. ENGINEER OF RECORD TO CONFIRM ACTUAL GROUNDWATER ELEVATION. CASTINGS SHALL MEET AASHTO M306 AND BE CAST WITH THE CONTECH LOGO. 6. FILTER CARTRIDGES SHALL BE MEDIA -FILLED, PASSIVE, SIPHON ACTUATED, RADIAL FLOW, AND SELF CLEANING. RADIAL MEDIA DEPTH SHALL BE 7-INCHES [178 mm]. FILTER MEDIA CONTACT TIME SHALL BE AT LEAST 38 SECONDS. 7. SPECIFIC FLOW RATE IS EQUAL TO THE FILTER TREATMENT CAPACITY (gpm) [L/s] DIVIDED BY THE FILTER CONTACT SURFACE AREA (sq ft)[mz]. 8. STORMFILTER STRUCTURE SHALL BE PRECAST CONCRETE CONFORMING TO ASTM C-478 AND AASHTO LOAD FACTOR DESIGN METHOD. INSTALLATION NOTES A. ANY SUB -BASE, BACKFILL DEPTH, AND/OR ANTI -FLOTATION PROVISIONS ARE SITE -SPECIFIC DESIGN CONSIDERATIONS AND SHALL BE SPECIFIED BY ENGINEER OF RECORD. B. CONTRACTOR TO PROVIDE EQUIPMENT WITH SUFFICIENT LIFTING AND REACH CAPACITY TO LIFT AND SET THE STORMFILTER STRUCTURE. C. CONTRACTOR TO INSTALL JOINT SEALANT BETWEEN ALL STRUCTURE SECTIONS AND ASSEMBLE STRUCTURE. D. CONTRACTOR TO PROVIDE, INSTALL, AND GROUT INLET PIPE(S). E. CONTRACTOR TO PROVIDE AND INSTALL CONNECTOR TO THE OUTLET RISER STUB. STORMFILTER EQUIPPED WITH A DUAL DIAMETER HDPE OUTLET STUB AND SAND COLLAR. IF OUTLET PIPE IS LARGER THAN 8 INCHES [200 mm], CONTRACTOR TO REMOVE THE 8 INCH [200 mm] OUTLET STUB AT MOLDED -IN CUT LINE. COUPLING BY FERNCO OR EQUAL AND PROVIDED BY CONTRACTOR. F. CONTRACTOR TO TAKE APPROPRIATE MEASURES TO PROTECT CARTRIDGES FROM CONSTRUCTION -RELATED EROSION RUNOFF. SURVEYED: SCALE:VEffn_ r 4 PER CITY COMMENTS DAF 08/26/24 1 a— —30 HORIZONTAL- N D 1983/1991 DESIGNEDDAF 3 PER CITY COMMENTS DAF 07/29/24 2 PER CITY COMMENTS DAF 05/21/24 DAWN' TJW, FEM ONE INCH DATU M 1 PER CITY COMMENTS I DAF 1 04/04/24 CHECKED: AT FULL SCALE DAF IF NOT ONE INCH NO. REVISION BY DATE AP P R APPROVED: SCALE ACCORDINGLY CITY OF RENTON Planning/Building/Public Works Dept. FURR :±;�:1111VIM1% NEERING PLLC 4715142nd PI. SW #B, Edmonds, WA 98026 ph 206.890.8291 R-429013 IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING NJanders 09/16/2024 ' GRANT PLACE TOWNHOMES 1600 GRANT AVE S RENTON, WA 98055 PARCEL 2023059052 STORMFILTER DETAILS DATE: 11/21/23 FIELDBOOK: PAGE: 20069 SHEET: OF, C4.4 28 O O O C'7 N 61 M Q J N T C) O C) C'7 rr n 0 w 5 O Z O W U Q J 0- Z Q