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HomeMy WebLinkAboutR-414204CN ■ 2) `L W DoeuSign Envelope ID.$EECF5BB-602A-4E4A-B436-A317AA638878 jNNTS IN FILTER FABRJG SHALL BE SPLICED AT POS7:4. USE STAPLES, WIRE RINGS, OR EDUIVALENT TO ATTACdi FABRIC TO POSTS Z xT 14 T'jAUGE WIRE, OR 1EQUIVA4LENT, IF STANDARD i STRENGTH FABRIC USED '.i'. FILTER FABRIC 12` r.I;N POST SPACING+ MAY BE INCREASED I I "A41 MIN. TRENCH 1� TO IV IF WIRE BACKING I$ USED BACKFILL TRENCH WFfH NATNE SOIL OR 3w TO 7-1 or WASHED GRAVEL 2-W WOOD POSTS, STEEL FENCE POSTS, OR EOUivALENT {FYP.) NOTES: 1. CONVITIONS OF USE 1. 1, SILT FENGE MAY BE USED DOWNSLOPE OF ALL OWTURBEO AREAS. 1.2, SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATEb FLOWS, NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED FLOW MUST BE COWdE YE D THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND- 2. DEs6om ANO INSTALLATION SPECIFJCATIONS 2.1. THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. ACOPY OF 7HF MANUFACTURERS FABRJG SPECIFICATIONS MUST BE AVAILABLE ON SITE. AOS jASTM D;TSIj 30-100 SIEVE SIZE FO.C; ,tS nm) FOR $ILT FILM so- IDD SIEVE 512E (Liao-a-i6mm) FOR OTHER FASR1 u$ WATER PERMITTIVITY (A$TM E74491) 9-02 SEC. IMiNuum GRAB PEN911-E STRENGTH (AS1M 04632} 180 LBS- MIN. FOR EXTRA STRENGTH FABRIC 190 LBS. MIN. FOR STANDARD STRE MOTH FABRIC GRAB TJ=NSIL F ELONGATION (ASTM 041332) 30% MAX. (WOVEN) Vi-TRAvFOLET RESISTANCE (ASTM!0055) 7@% MIN. 2,2. $TANoARa STRENGTH FpaRlC REDUIRES WIRE EACKiNG TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WAIFIWtS A aTRONGER FENCE. 2.3. WHERE THE FENCE IS INSTALLED, rHE SLOPE SHALL NOT BE STEEPER 7HA7AI 2H_7 V 2.4. IF ATYPICAL SILT FEJi-0CE IS USED, THE STANDARD 4 X4- TRENCH MAY BE REDUCED AS LON4 AS Ti-NE F(ITTOM S INCHES OF THE $ILT FENCE FABRIC IS WELL BURIED AMC) SECURE IN TRENCH THAT STABILIZES THE FENCE AND DOES NOT A_LOW WATER TD BYPASs OR UNDERMINE THE SILT FENCE. 24- FILTER FABRIC FENCES SJIALL OF INSTALLE0 ALOW CONTOURS WHENEVER POSSIBLE 3, MAINTENANCE 80140ARUg 3.1. ANY DAMAGE SHALL 8E REPAIRED IMMEDIATELY. I N 3-2- IF CONCEfi1TIRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE. THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND- T F N6 S A BARRIER TO OW AND THEN CAUSING I IMPORTANT ro CHECK THE UPHILL SIDE aF THE FENCE FOR 9lGN8 OF HC ENCE GLOLi01NCT AND ACTS A EIA FL 8.3. IT E; CHANNELIZATION Of FLOWS PARALLEL TO THE FI;NCE, IF THIS OCCURS, REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT. 3.4 . SEDIMENT MUST BE REMCW15D WHEN SEDIMENT 15 61NCHES HIGH, s-S- IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE To ULTRAVJOLET BRE"DOWN, IT SHALL BE REPLACED. VNI-VA UTHERWLSE N07 ED, DRAWING IS NU TO KALE [N IS[ STD. PLAN• Z1�I.U0 URI DEPARTMENT PUBLIC WORKS SILT FENCE GALZ g/2a/2vls DATE Encompass, ENGINEERING & SURVEYING Western Washington Division 165 NE Juniper Street, Suite 201 • IssaQuah, WA 98027 ■ Phone: (425) 392-0250 Eastern Washington Division 407 Swiftwater Blvd. • Cle Elum, WA 98922 • Phone: (509) 674-7433 112212021 :45 AN DDcuSign Envelope ID: BEECF536-602A-4E4A-B435•A317AA63RB78 R = 25' h9N. r ]NSTALL DRIVEWAY CULVERT 1F THERE IS A ROADSIDE DITCH PRESENT, AS! PER CITY ROAD STANDARDS 4.4r QUARRY &PALLS GEOTEKTILE IF MIN. TH1CKNESB CUNBTJq UCT10N EN TRANCE NOTES: 1. DRIVEWAYS SHA PAVED TO THE EDGE OF THEE FU EIGHT-OF-N7AY PRJPR TO INSTALLATION OF THE CONSTRUCTION ENTRANCE TO a� AVOID DAMAGING OF THE ROADWAY, \\ 2, IT IS RECOMMENDED THAT THE ENTRANCE BE CROWNED SOTNAT RUNOFF DRAINS OFF THE PAD 15, Mr". PROVIDE FULL WIDTH OF INGRE8 SfE=GRESS AREA NOTES- 1. CONDITION OF USE i-1- CONSTRUCTION ENTRAINCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVWO A CONSTRUCTION SITE ANUTRAVEUN4 ON PAVED ROADS OR DTHFR PAVED AREAS WITHIN 1.R0 FEET OF THE SITE. 1.2- FOR RESIDENTIAL CONSTRUCTPDM PROVIDE STABILIZED CCWSTRUCYION ENTRANCES FOR EACH RESSENCE IN ADDITION TO THE MAIN SUBDIVISION ENTRANCE. STABILIZED SURFACES SMALL Be OF WSTIC1ENT LENGTHAMOTH TO PROVIDE vCHIGLE AGCESSMARKiNG, BASED ON L,OT SIZUCONFIGURATION. 2. DESLGN AND INSTALLATION SPECIFICATIONS 2•1 A SEPARATION GEOTEXTILE SHALL RE PLACED UNDER THE SPALLS TO PREVERT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD- THE GEOTEXTILE SHALL MEET THE FOLLOWLNG STANDARDS- QRAS TENSILE $TRENC4TH �A TM 11>4032) 20O LBS. MIN. GRAB TENSILE ELONGATION IASTM D4632I 30%FARM. [W OVENI CUR PuNcTuRE STRENGTH [AS TM U6241) 495 LBS FAIN, ADS (WIN d47611 2D45IU,6- STANDARD SIEVE SIZE) 2.2 DO NOT USE CiSUSHEO 'CONCRETE. CEMENT, OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE. STADFUZATION BECAUSE THESE P1301YUC:Ts RAISE pFl LEVELS IN STOSMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF TF{E STATE 15 PROHIBITEO- 2,3• Haft FUFL (WOOD BASED MULCH) MAY RE SUBSTFTUTW I5QFI OR COMBINED WITH QUARRY SPALLS LN AREAS THAT wILL NOT RE USED FOR PERMANENT ROADS. HOG FUEL LS NOT RECOMMENDED J ok 8NTRANCE STABLLIZATiCH N URBAN AREAS. T71E INSPECTOR MAY AT ANY TIME REQUIRE 7TiE USE OF QUARRY SPALLS IF THE HOG FUEL 13 NOT FRI VENTIOG SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IF THE HOG FUEL IS BEINO CARRIED ONTO PAVEMENT_ 2.4. FENCING SHALL BE INSTALLED AS NECESSARY TORESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE. 2.5 WHENEVER POSSIBLE. T11E ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTfiD SUE ORADE THIS CAN SUa5TANTIALLY INCREnE THE EFFECTIVENESS OF THE PAD AN-1 IRERLICE THE NEED FOR MAIHTENAUCE. 3, MMNTENANCE STANDARDS 3.1- QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER W ACCORDANCE WITH THE SPECIFICATIONS. 3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT. THEENAl-TER14ATIVE MEASURES TO KEEP THE STREETS FREE OF EMI ENT SHALL B EI D. THIS Y INCLUDE STREET SWEEPING. AN JN REASE IN THE DIMENSION OF THE ENTRANCE. OR THE INSTALLATION OF AWHEEL S M `1 E U i= 1 MAY I C I G F R TN R H A WATER SHALL •RAIN i A EDIMENT RAP POND. WASH. I WASHING IS USED lT SHALL BE OC]T!E 1JN AN AREA COVERE>a W1 C U8 ED ROCK. AMP WASH A 8 L D O 8 T 4R ANY SEDIMENT RA . D PAVEMENT SHALL BE REMDVED IMMEDIATELY BY SWEEPING- THE SEDIMENT COLLECTED BY SWEEPINS SHALL BE 3.3 N THAT IB T C'HE ONTO AV REMOVED OR STABILIZED ON SIiE.7HE PAVEMENT SHALL NOT BE CLEAwM KY WASHING 004W THE STFISET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS ATKRW TO PUBLIGSAFETY. IF IT IS NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONSTRUCTED. THE SEDEME 14T WOULD THEN BE WAVED INTO THE SUMP WHERE IT CAN BE CONTROLLEQ AN0 DISCHAROF0 APPROPRIATELY. WASH WATER MUST BE PUMPED BACK ONTO THE SITE AND CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS- 3.4. ANY LIUARRY SPALLS THAT ARE? LOOSENED FROM THI: PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY. 3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCES}, FENGING SHALL BE INSTALLED TO CONTROL TRAFFIC. UNLESS OTH ERM5€ NOTE D, DRAWING i5 NOT TO SCALE IN TS) 57D. PLAN - 215.10 OR PUBLIC WORKS acanovEn: DEPARTMENT STABILIZED CONSTRUCTION ENTRANCE GAZ g/zg/ZOIg I WnhfOw hx,lo. DATE :45 Al Doeuftn Envelope ID: SEECF5BB-602A-4E4A43416-A3i7AA6.98878 ORAIWkUE GRATE GRATE FRAME 7 SEDIMENT AND DESRt OFWKAGE GRATE (RECTAW RI FILTERED WATER u ISOMETRIC VIEW r TRIM OVERFL(1W BYPASS BE LOV! INLET GRATE DEVICE NOTES_ 1- PROTECTION SHALL BE PROWDED FOR ALL STORM DRAIN INLETS DOWA'NSLOPE ANDVOTHIN Hap FEET DFA DISTURBED OR CONSTRUCTION AREA, UNLESS THE kUNOFF'THAT ENYEEFRs THEe CATCH BASIN WILL BE CONVIEYEU TO A SEDIMENT PUNO OR TRAP. 2- INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM. 3- THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE 4, SIZE THE BELOW INLET GRATE DEVICE 10W) FOR THE STORMWATER STRUCTURE IT WILL SERVICE. 5, THE OK3D SMALL HAVE A BUILTAN 41GH-FLOW RELIEF SYSTEM [DVERFLOW BYPASS). S. THE RETRIEVAL SYSTEM MUST ALLOW REMOvAL OF THE RIG WITHOUT SPLLUNG THE ODLLEICT50 MArEAIAL- 7- PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 8-D1.3(i5). EL ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL HE REMCI VED WI-LEN THE $EOIMFNT I-LAS FiLLFD ONi=-THIiiD OF THE AVAILABLE STORAGE. THE FILTER MEDIA FOR THE: INSERT SHALL BE CLEANL i OR REPLACED AT LEAST MUNOALY. UNLESS OPICH WISE NOTED, DRAWING IS NOT TO 5CAIE (NTS] STD. PLAN - 21G.�1Q UR pUi3tIC WORKSAPan EI}: DEPARTMENT CATCH BASIN INSERT GAZ 9/2a/2018 I o.,Ir. wap..s„ IwAA,.• PA7[ Know what's below. Call before you dig. :45 At R-414212 IN COMPLIANCE WITH CITY OF RENTON STANDARDS ENathan PMENT ENGINEERING :0] Janders 01 /27/2021 S U W J W SURVEYED: DBM SCALE: 1 u-201 VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATU M CITY OF U RENT 0 N Planning/Building/Public Works Dept. MADRONA ELECTRIC TESC DETAILS DATE: 1122121 (� `L 0 DESIGNED: SRS FIELDBOOK: N/A PAGE: NIA 2 PER CITY COMMENTS RECEIVED 1106121 SRS 118121 NEM DAWN: PMD ONE INCH DRAWING NO: 19656 1 PER CITY COMMENTS RECEIVED 11109120 SRS 1212120 NEM CHECKED: CJA AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY NO. REVISION BY DATE AP P R APPROVED: CJA SHEET: 4OF: 8