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Home My WebLink AboutR-394520LO co 6 0 w L J T H O L J Z� z W Ld W W 12 Q z w L, A portion of the NW 1/4 of the NE 1/4 of Section 32, Township 23 N., Range 5 ]E.) W. M. City of Renton, King County, Washington TOE IN SHEETING IN MINIMUM 4"X4"TRENCH L_ I PROVIDE ENERGY DISSIPATION AT TOE WHEN NEEDED I NOTES €k 1. CONDITION n OF USE 1.1. PL ASTIC COVERING MAY HE USED ON DISTURBED AREAS THAT REQUIRED COVER MEASURES FOR LESS THAN 30 DAYS. 1.2. PLASTIC IS PARTICULARLY USEFUL FOR PROTECTING CUT AND FILL SLOPES AND STOCKPILES, 1.31 CLEAR PLASTIC SHEETING MAYBE USED OVER NEWLY-SHEEDED AREAS TO CREATE A GREENHOUSE EFFECT AND ENCOURAGE GRASS GROWTH. CLEAR PLASTIC SHOULD NOT BE USED FORTHIS PURPOSE DURING THE SUMMER MONTHS 1.4, THIS METHOD SHALL NOT BE USED UPSLOPE OF AREAS THAT MIGHT BE ADVERSELY IMPACTED BY RUNOFF, SUCH AREAS INCLUDE STEEP AND UNSTABLE SLOPES I. 2, DESIGN AND INSTALLATION SPECIFICATIONS 2.1. PLASTIC SHEETING SHOULD HAVE A MINIMUM THICKNESS OF 0.03 MILLIMETERS. 2.2. IF EROSION AT THE TOE OF A SLOPE IS LIKELY, A GRAVEL BERM, RIPRAP, OR OTHER SUITABLE PROTECTION SHALL BE INSTALLED AT THE TOE OF THE SLOPE IN ORDER TO REDUCE THE VELOCITY OF RUNOFF. 3. MAINTENANCE STANDARDS 3.1. TORN SHEETS MOST BE REPLACEDAND OPEN SEAMS REPAIRED. 3.2. IF THE PLASTIC BEGINS TO DETERIORATE DIE TO ULTRAVIOLET RADIATION, IT MOST BE COMPLETELY REMOVED AND REPLACED. 3.3. WHEN THE PLASTIC IS NO LONGER NEEDED, IT SHALL BE COMPLETELY REMOVES. �x STD. PLAN — 213.30 PU}3i.IC WORKS PLASTIC COVERING ��=•`J$ D17PARTMENT 1L11ZCH 2O08 STANDARDSTRENGTH FILTER FABRIC CATCH BASIN GRATE 1. CONDITION OF USE I.1. SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCHBASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP. 1.2, MAY BE USED ANYWHERE AT THE APPLICANT'S DISCRETION TO PROTECT DRAINAGE SYSTEM. 1.3. THE CONTRIBUTING DRAINAGE AREA MOST NOT BE LARGER THAN 1 ACRE. 2, DESIGN AND INSTALLATION SPECIFICATIONS 2.1, FILTER B FA RIC IS ONLY ALLOWED E WERE PONDING WILL N07 BE A TRAFFIC CONCERN AND WHERE SLOPE EROSION WILL NOT RESULT IF THE CURB IS OVERTOPPED BY PONDED WATER. 2,2, THE PLACEMENT OF A FILTER FABRIC UNDER GRATES IS GENERALLY PROHIBITED AND THE USE OF FILTER FABRIC OVER GRATES IS STRICTLY LIMITED AND DISCOURAGED. 3. MAINTENANCE STANDARDS 3.1. ANY ACCUMULATED SEDIMENT ON OR AROUND INLET PROTECTION SHALL BE REMOVED IMMEDIATELY, SEDIMENT SHALL NOT BE REMOVED WITH WATER AND ALL SEDIMENT MUST BE DISPOSED OF AS FILL ON SITE OR HAULED OFF SITE. PUB11C WORKS FILTER FABRIC PROTECTION STD. FLAN — 216.20 �\' f DEPARTMENT �N'CO M-1RC1-1 200E3 DRIVEWAYS SHALL BE PAVED TO THE EDGE OF RAW PRIOR TO INSTALLATION OF THE CONSTRUCTION ENTRANCE TO AVOib DAMAGING OF THE ROADWAY IT IS RECOMMENDED THAT THE ENTRANCE BE CROWNED SO THAT RUNOFF DRAINS OFFTHE PAD i INSTALL DRIVEWAY CULVERT IF THERE IS A ROADSIDE DITCH PRESENT, AS PER CITY ROAD STANDARDS 4'-W QUARRY sPALLS GEOTEXTILE _ �- 12' MIN. THICKNESS PROVIDE FULL WIDTH OF NOTES INGRESSlEGRESS AREA 1, CONDITION OF USE 1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED 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 STREBNGTH (ASTM D4751) 200 PSI MIN. GRAB TEN5ILE ELONGATION (ASTM 04632) 30%MAX. MULLEN BURSTSTRENGTH(ASTM D3786-80A 400 PSI MEN. AOS (ASTM D4751) 120-45 (U.S. STANDARD SIEVE SIZE) 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR 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 ANY TIME REQUIRE THE USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT. 2.2. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE, 2.3, WHENEVER POSSIBLE, THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED SUBGRADE. THIS CAN SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE PAD 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, THEN 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 INSTALLATION OFTHE 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 TRACKED ONTO PAVEMENT SHALL BE REMOVED 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 SEDIMENT WOULD THEN BE WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARG ED APPROPRIATELY. 3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE 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 ENTRANCE(S), FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC_ ti2Y t(� + PUI3I..IC WORKS STABILIZED STD. PLAN — 215.10 1 DEPARTMENT CONSTRUCTION ENTRANCE �N'CO MATZCHw0U8 NO. REVISION 5" MAX. DRAINAGE GRATE GRATE SEDIMENT AND DEBRIS ''3 % l .I OVERFLOW BYPASS D lj BELOW INLET GRATE DEVICE FILTERED j WATER 1 f c n ^ rI, SECTION VIEW DRAINAGE GRATE RECTANGULAR GRATESHOWN 1\ RETRIEVAL SYSTEM(TYP.) L j` sue„ BELOW INLET GRATE DEVICE •••�'` {'f / \� OVERFLOW BYPASS (TYP.) ISOMETRIC VIEW NOTES 1. Size the Below Intel Grate Device (BIGD) for the slorm water structure It will Serv(ce. 2. The BIGD shall have a built-in high -flaw relief system (overflow bypass), 3. The retrieval system must allow removal of the BiGO without spilling the collected material. 4. Perform maintenance in accordance with Standard Specification "1.3(15), G>~AY'\•n +,�)• PUF3I..IC WORKS CATCH BASIN FILTER STD. PLAN — 216.30 DEPARTMENT ANTo MARCH 2008 JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS, USE STAPLES, WIRE RINGS. OR EQUIVALENT TO ATTACH FABRIC TO POSTS. POST SPACING MAY BE INCREASED TO 8' IF WIRE BACKING IS USED 2's2' BY 14 Ga. WIRE OR EQUIVALENT. IF STANDARD =� STRENGTH FABRIC USED FILTER FABRIC P-- r".- 4( hIINIMUM 4'X4" TRENCH '' BACKFELL TRENCH WITH / ` NATIVE SOIL 2"R4' WOOD POSTS, STEEL FENCE POSTS, RESAR, OR EQUIVALENT NOTES 1. CONDITION OF USE 1,1. SILT FENCE MAY BE USED OOWNSLOPE OF ALL DISTURBED AREAS. 1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED FLOW MOST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND. 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. THE GEOTEXTILE USED MOST MET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MOST BE AVAILABLE ON SITE. AOS(ASTMO4751) 30.100EIEVESIIE IO.G0.0.15MMI FORSILT FILM 5N300 SIEVE SIZE 0.30.0,15MMI FOROTHER FABRICS WATER PERMITTIVITY ASTM D4911 0,02SEC'-IMINIMUM GRAB TENSILE 51RENCHT (ASTM D46321 1110 LBS, MIN, FOR EXTRA STRENGH FABRIC IM LBS. MIN. FOR STANDARD STRENGHT FABRIC GRASTENSILE ELONGATION ASTMO4632 30%MAX, ULTRAWOLATERWSTANCE ASTMO43551 70%MIN. 2.2. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE, WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE. 2.3. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H;1V 2A. 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 UNDERMINE THE SILT FENCE. 3. MAINTENANCE STANDARDS 3.1, ANY DAMAGE SHALL BE REPAIR IMMEDIATELY, 3.2. IF CONCENTRATED FLOES ARE EVIDENT UPHILL OD THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND. 3.3. IT IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE, IF THIS OCCURS, REPLACE THE FENCE OR REMOVED THE TRAP SEDIMENT. 3.4. SEDIMENT MOST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH. 3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED. STD. PLAN — 214.00 +�•�•��+ PtII3C,TC WORKS SILT FENCE DEPARTMENT FN�o MARCH 2008 SURVEYED: DESIGNED: S. TATU, PE DRAWN: ST CHECKED BY DATE AP P R APPROVED: SCALE: SEE PLAN ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATU M CITY OF RENTON Planning/Building/Public Works Dept. O N C) C) T J M T C) T Z R- 4 2 3950 0 0 IN COMPLIANCE WITH CITY OF RENTON STANDARDS Q I- Z Q Q V ) W DATE: Ir ASIAN RESTAURANT ADDN 0FIE5BOOK: 17 17630 108TH AVENUE SE, RENTON, WA 98055 PAGE: Z Q R-394505 DRAWING NO: DETAILS C- Q SHEET: OF: CLEARING & TEMP. EROSION & SEDIMENTATION CONTROL 5 15