The URL can be used to link to this page

Home My WebLink AboutR-401209N T 0 I W I— N T Nt 4t ROLL! DEPEh TYPE, 4 t (T&V5m1n) B'-1 D" DIA, (20O-2"rn) SE01MENT, 'ORGANIC MATTER, ANP NATIVE SEEPS ARIs CAPTURED BEHIND THE ROLLS STRAW ROLLS MUST BE PLACED ALONG SLOPE CONTOURS LIVE STAKE - 1. ADJACENT ROLLS SHALL TIGHTLY ABUT I NOTES 1"x I" STAKE 1, CONDITION OF ILISE 1.1. SEED IWi SHALL BE USED THROUGH THE PROJECT ON 0ISTURBE❑ AREAS THAT HAVE REACHED FINAL GRADE OR THAT WILL REMAIN UNVVCRKED FOR MORE THHAN 30 DAYS. 1.2. VEGETATIQN-LINE❑ CHANNELS SHALL BE SEEDED. GHANNEL5 THAT WILL SE VEGETATEQ SHOULD BE INSTALLED BEFORE MAJQR EARTHWORK AND HYDROSEEDED OR COVERED WITH A R0NDED FIBER MATRIX �BFM) 1.3. RETENTION 1 DETEhETION PONDS SHALL R.E SEEDED AS REQU[RED- 1.3. AT THE CITY'S DISCRETION, SEEDING WITHOUT MULCH DURING THE DRY SEASON IS ALLOWED EVEN THOUGH ITWILL TAKE MORE THAN SEVEN DAYS TO DEVELOP AN EFFECTIVE COVER. 1.5. AT THE BEG, INNING OF THE WET SEASON, ALL DISTURSANCE5 AREAS SHALL BE REVIEWED TO IDENTIFY WHICH ONES GAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS S14OULD BE SEEDED }!WITHIN A WEEK OF BEGINNING OF THE WFz- SEASON. AT FINAL SITE STABILIZATION, ALL DISTURBED AREAS NOT OTHERWISE VEGETATED OR STABILIZED SHALL BE SEEDED AND MULCHED 2. DESIGN AND INSTALLATION SPECIFICATIONS 2-1. THE BEST TIME TO SEED IS APR IL 1 THR.OUGH JUNE 30, AND SE'PTEMBER 1 THROUGH OCTOBER 15, AREAS MAY RE SEEDED BETWEEN JULY 1 AND AUGUST 31, BUT IIRRIGATION MAY BE REQUIRED IN ORDER TO GROW ADEQUATE COVED. AREAS MAY ALSO BE SEE❑ED DURING THE WINTER MONTHS, BUT IT M IGHT TAKE SEVERAL MONTHS Ta DEVELOP A DENSE GRIOUNDCOVER DUE TO COLD TEMPERATURES- 2-2. TO PREVENT SEED FROM (BEING WASHEID AWAY CONFIRMED THAT ALL REGJIRED SURFACE WATER CONTROL MEASURES FIAVE BEEN INSTALLED. 2.3. THE SEEDBED SHOULD BE FIRM BUT NOT COMPACTED. 2.4. IN GEN ERAL, 10-20-2OIN-P-K FERTILIZER MAY BL U5E1) AT A RATE OF 90 POUNQ,9 PER ACRE, IT IS RECOMMENCED THAT AREAS BEING SEEDED FOR FINAL LANDSCAPING CONDUCT SAIL TO DETERMINE THE EXACT TYPE ANC] QUANTITY QF FERTILIZER NEEDED, DISTURBED AREAS WITHIN 200 FEET OF WATER BOGIES AND WETLANDS MUST USE SLOW RELEASE LO-PHOSP'HORUS FERTILIZER. 2.5. THE FCLLOWING REOUIREMENTS APPLY FOR MULCHING 2-5-1- MULCH IS ALWAYS REQUIRED FOR SEEMING SLOPES GREATER THAN 3H-IV 2.5.2. IF SEEDING DURING WET SEASON MULCH IS REQUIRED 2.5.3. THE USE OF MULCH MAY BE REQUIRED DURING WET SEASON AT THE CITY'S DISCRETION IF GRASS GROWTH IS EXPECTED TO BE SLOW, THE SOILS ARE HIGHLY ERODIBLE DUE TO 501L TYPE OR GRADIENT. THERE IS A WATER BODY CLOSE TO THE DISTURBED AREA, OR SIGNIFICANT PRECIPITATION IS ANTICIPATED BEFORE THE GRASS WILL PROVIDE EFFECTIVE COVER. 2.5.4. MULCH MAY BE APPLIED IN TOP OF THE SEED OR SIMULTANEDUSLY BY HYDROSEEDIN0. 2k. HYDROSEEDING IS ALLOWED AS LONG AS TRACKIFIER IS INCLUDED. HYDIROSEEDING WITH WOOD FIBER MULCH IS ADEQUATE DURING THE DRY SEASON- HYDROSEEDIN0 WITH WOOD FIBER MrIULCH IS ADEQUATE DURING THE DRY SEASON. OURI40 THE WET SEASON, THE APPLICATION RATE SHOULD BE DOUBLED. IT MIGHT BE NECESSARY IN SOME APPLICATIONS TO INCLUDE STRAW WITH THE WOOD FIBER, BUT THIS CAN BE DETERMINED TO GERMINATION. 2-7. AREAS TO BE PERMANENTLY LANIDSCAPFD SHALL USE SOIL AMEN❑M+tENT& GOOD QUALITY TOPSOIL SHALL BE TILLED INTO THE TOP SIB{ INCHES TO REDUCE THE NEED FOR FERTILIZER AND IMPROVED THE OVERALL SAIL QUALITY, MOST NATIVE SOILS WILL REQUIRE THE ADDITION OF 4 INCHES OF VVELL-ROTTED COMPOST TO BE TILLED INTO THE SOIL TO PROVIDE A GOOD QUALITY TOPSOIL. ,- Y STD. PLAN — 213.40 PUBLIC' WORKSSTRAW WATTLES # DEPARTMENT MARCH 2O06 0, STRAW WATTLES (EC1'� NOT TO SCALE CO4 BASE MAP/TOPOGRAPHY PROVIDED BY OTHERS. DCG CANNOT BE HELD LIABLE 9706th Ave NE �tSO�`� °F Digi d FOR ACCURACY. CONTRACTOR SHALL AS Suite 300 '� CO on Tim Seattle, WA 98115 cz FIELD VERIFY GRADES, UTILITIES AND elein ALL OTHER EX FEATURES & P: 206.523.0024 � 17 CONDITIONS. IF CONDITIONS ARE NOT F: 206.523.1012 �o47 01 _ 00' AS SHOWN &/OR PLANS CANNOT BE www.dcgengr.com F`SS O S CONSTRUCTED AS SHOWN, CONTACT DCG PRIOR TO CONSTRUCTION. JQINT5IN FILTER FABRIQ SHALL BE SPLICED AT POSTS- USE STAPLES, WIRE RINGS, Gft EQUIVALENT TO ATTACH FABRIC TO POSTS. 2'4" RY 14 Go. WIRE OR EQUIVALENT, IF STANDARD STREhkGTH FAaPIC USED FILTER FABRIC— 10M.- — — 1--1 I .. -.III_=.1,1=III.-11 — .II-III-1 1.-11_-11 := 11=III-1i--11 6' MAY- MINIMUM 4"x4' TRENCH {' _ f BA.CKFILL TRENCH WITH POST SPACINEG MAY IJINCREASED NATIVE SOIL TO n' IF WIRE RACKING IS USED f 2'xiP' W00D FO5T5, STEEL FENCE POSTS, REHARrOR Epi,IIVALENT HoTEs 1. CONDITION OF USE 1-1. SILT FENCE PRAY BE USED DOWNISLOPE OF ALL DISTURBED AREAS. 1-2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOVV. ANY CONCENTRATED FLOW MOST BE CONVEYED THROUGH TH E DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND. 2, DESIGN AND INSTALLATION SPECIFICATION15 2.1. THE GEOTEXTILE USED MOST MET THE STANDARD LISTED UELLOW. A COPY QF THE MANLJFAQ.TURER'5 FABRIC 5PECIFICATIQN$ MOST RE AVAILABLE ON SITE. 30-IMSIEVE SIZE (G.6&015MM) FORSILT FILM h45{ASTI�SDG751j 50-1DOSIEVE SIZE 0.30-0.15MM FOR OTHER FABRICS WATERPERMITTIVITV AS7M+ID491 0.025-EC"-lbANIMUM GRAB TFLISILE STRENCHT{ASTM 645�lI 18U LD5. "N , FOR EXTRA STR04G" EADRIC 140 LBS. MIN. FOR VAN DARD 5TRENGHT FABRIC GRAB TENSILE ELONGATION ASTM IS4632� 30 MAX_ LILTRAVIOLATERESISTANCE(ASTMDA355) 1709101N. 2.2. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPkGING MAY BE REQUIRED FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMARICE WARRANTS A STRONGER FENCE. 2.3- WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H:1V 2-4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4X4 TRENCH MAY NOT BE REDUCED AS LONG AS THE BOTTOM 8 INCHES OF THE SILT FENCE IS WELL BURIED AND SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERM INIE THE SILT PENCE- 3- MAINTENANCE STANDARDS 3.1. ANY DAMAGE SHALL BE REPAIR IMMEDIATELY. 3.2. IF CONCENTRATED FLOES ARE EVIDENT UPHILL OD THE FENCE, THEY MUST RE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND. 3-3- IT IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FE=NCI FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS� A 13ARRIFwR TO FLOW AND THEN CAU$INC, QHANNELEZATION QF FLOW$ PARALLEL TQ THE FENQF- IFTHI$ QQQl,1R$, REPLAQE THE FENCE QR iREMOVEI) THE TRAP SEDIMENT. 3.4. SEDIMENT MOST BE REMOVED WHEN SE IMENT IS 6 INCHES HIGH. 15. IF THE FILTER FABRIC (GE07EXTILEj HAS DETERIORATED [DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED, STD. PLAN — 214.00 *Aw�� PUBLIC W()RKS SILT FENCE DEPARTMENT MARCH 2008 SILT FENCE (EC2 NOT TO SCALE C04 SURVEYED: SCALE: VERTICAL: NAVD 1988 AS NOTED HORIZONTAL: NAD 1983/1991 DESIGNED: CT 2 C❑NSTRUCTI❑N RECORD DRAWINGS CT 01/08/20 DRAWN: RB/CT ONE INCH DATUM 1 P❑ST—PERMIT REVISI❑N— UTILITY C❑NFLICT CT 01/25/19 CHECKED: AT FULL SCALE TG IF NOT ONE INCH N 0. REVISION BY DATE APPF APPROVED: TG SCALE ACCORDINGLY DRIVEWAYS SHALL BE PAVED TO THE EDGE OF R-C4V PRkOR TO INSTAL-LATION OF THE GDNSTRUCTION ENTRANCE TO AVOID E]AMgGING OF THE ROADWAY IT IS RECOMMENDED THAT THE ENTRANCE BE CROVVNEU 84 THAT RUNQt-F DRAINS OFF THE PAD INSTALL DRIVEWAY CULVERT IF TF F-kE IS A ROADSIO E DITCH PRESS NT, AS PER CITY RCA DSTANDARDS 4%8" QUARRY SPALLS GEOTEXTILE 12" KIN. THICKNE35 PROVIDE FULL WIDTH OF MOTES INGRESVEQF.E-5s AREA 1- COND1710N OF USE 1.1. CONSTRUCTION ENTRANCE SHALL Be STABIL12ED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER PAVED AREAS WITHIN 1,000 FEET OF THE SITE. GRAB TENSILE 5TRF6NcjTH (ASTM D4753 j 200P5I MIN. GRAB TENSILE ELONGATION (ASTMrI D4632) 3C%IY K MULLEN SURS73TRENG7H (ASTM D3786-80►a 400 PSI MIN. AOS (ASTM D47Si) 20.45 (U.S. STANDARD SIEVE SIZE) 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. HOG FUEL (WOOD BASED MULCH) MAY BE SUEISTITUTED FOR -0R COMBINED WITH QUARRY SPALLS IN ARES THAT WILL BOT BE USED FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR MAY AT ANYTIME REQUIRE THE; USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IFTHE HOO FUEL IS EYEING CARRIED ONTO PAVEMENT. 2.2. FENCING SMALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE. 2.3, WHENEVER POSSIBLE, THE ENTIRANCE SHALL BE CONSTRUCTED ON A 1=1RM, COMAPACtED SUISGIRADE. THIS CAN SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE PAID AND REDUCE THE NEED FOR MAINTENANCE. 3. MAINTENANCE STANDARDS 3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS. 3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT BEING TRACKED ONTO PAVEMENT, THEM ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING, AN INCREASE IN THE DIMENSIONS OF THE ENTRANCE, OR THE IINSTALLATION OF THE WHEEL WASH, IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK, AND WASHED WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND. 3.3. ANY SEDIMENT THAT IS TRACE<ED ONTO PAVEMENT SMALL BE REMOVE 1) IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING SHALL BE REMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS A THREAT TO PUBLIC SAFETY. IF IT {NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONDUCTED. THE SEDIMAENT WOULD THEN SE WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. 3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE (ROADWAY SHALL BE REMOVED IMMAEIDIATELY. 3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE(S), FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC. STD. PLAN — 215.10 I+ P L�BLiC wOItISSTABILIZED *`` 1 EPAHTR ENT CONSTRUCTION ENTRANCE MARC'1:`-I 2008 STABILIZED CONSTRUCTION ENTRANCE �EC3 NOT TO SCALE C04 R-401201 IN COMPLIANCE WITH CITY OF RENTON STANDARDS Q0 T U M CALL 811 (2) BUSINESS DAYS W BEFORE YOU DIG 0 (UNDERGROUND UTILITY Ir LOCATIONS ARE APPROXIMATE) < . DATE: C TY 0E MERRILL GARDENS AT RENTON CENTER- ADDITION 1/8/20 J %RV4919RENTON 104 BURNETT AVE S, RENTON, WA 98057 PAGE:FIELDOOK PAGE:Ir DRAWING NO: It Plan ning/Building/Public Works Dept. CITY DETAILS- TESC C10 LU SHEET: 10 OF: 34 C