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Home My WebLink AboutR-4041104 ON 12'OVERFLOW 17' DEPTH 2" - 4' ROCK DEPTH OUTFLOW CHANNEL IF 24'MIN. SETTLING DEPTH CONSTRUCTED BY 0 EXCAVATINOW ON r t 5 MAX FILTER FABRIC FENCING I 'MIN SEDIMENT STORAGE 12"DEPTH 14'. 1 12" WASHED GRAVEL CROSS SECTION NOTES: 1. MAY BE CONSTRUCTED BY EXCAVATION OR BY BUILDING A BERM UN LESS OTHERWISE NOTED DRAWING IS NOT TO SCALE(NTSI STD. PLAN - 211.00 UR)PUBLIC WORKS DEPARTMENT SEDIMENT TRAP GqZ 9/28/2018 1 DATE EX15j3NT'a°NO 1 DRIVEWAYS BE PAVED TO THE EDGE OF THE RIGHT-O WAY PRIOR TO INSTALLATION OF THE R = 25' MIN /� CONSTRUCTION ENTRANCE TO i-� AVOID DAMAGING OF THE ROADWAY. 2 IT IS RECOMMENDED THAT THE ENTRANCE BE CROWNED SO THAT /- RUNOFF DRAINS OFF THE PAD A-� IW MIN, INSTALL DRIVEWAY CULVERT F THERE IS A ROADSIDE DITCH PRESENT, AS PER CRY ROAD STANDARDS 4"-B' QUARRY SPALLS GEOTEXTILE 15- MIN PROVIDE FULL WIDTH OF INGRESSSGRESS AREA 17 MIN THICKNESS NOTES: 1. CONDITION OF USE I.1 CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVEUNG ON PAVED ROADS OR OTHER PAVED AREAS WITHIN 1.ODO FEET OF THE SITE. FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION ENTRANCE. STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTHWIDTH TO PROVIDE VEHICLE ACCESSIPARKING. BASED ON LOT SIZE/CONFI UERATION 2. DEMON AND INSTALLATION SPEC IFICATiONS 2.1 A SEPARATION GEOTEXT ILE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD THE GEOTEXTILE SHALL MEET THE FOLLOWING STANDARDS GRAB TENSILE STRENGTH (ASTM D4632) 200LBS MIN. GRAB TENSILE ELONGATION (ASTM D46321 30% MAX (WOVEN) CBR PUNCTURE STRENGTH (ASTM D6241) 495 LBS. MIN. ADS (ASTM IM7511 20-45 (U.S STANDARD SIEVE SIZE) 2.2 DO NOT USE CRUSHED CONCRETE, CEMENT, OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE PH LEVELS IN STORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE IS PROHIBITED. 23 HOC FUEL (WOOD BASED MULCHI MAY BE SUBSTITUTED FOR OR COMBINED WITH WARRY SPALLS IN AREAS THAT WILL NOT 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 24 FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE 25 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 7 MAINTENANCE STANDARDS 3.1 QUARRY SPALLS SHALL BE ADD IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS 3 2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM 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 OF A WHEEL WASH. IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK, AND WASH 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 STTE. 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 IS NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONSTRUCTED. THE SEDIMENT WOULD THEN BE WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. WASH WATER MUST BE PUMPED BACK ONTO THE SITE AND CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS. 3-4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY. 35, IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCEIS), FENCING SFULLL BE INSTALLED TO CONTROL TRAFFIC. UNLESS OTHERWISE NOTED. ORAWING IS NOT TO SCALE INTST STD. PLAN - 21S.10 PUBLIC WORKS STABILIZED CONSTRUCTION ENTRANCE A DEPARTMENT GAZ 9/28/2018 I DATE Know what's below. Call before you dig. B41UNG WIRE SURVEY FLAGGING DO NOT NAIL OR STAPLE WIRE TO, TRFFC 1 MIN - . 1f1 ttl' METAL FENCE aOST (TYP 1 a NOTES 1. CONDITIONS OF USE TO ESTABLISH CLEARING LIMITS. STAKE AND WIRE FENCE MAY BE USED. 1.1.1. AT THE BOUNDARY OF CRITICAL AREAS THEIR BUFFERS AND OTHER AREAS REOUtRED TO BE LEFT UNCLEARED. 1.12 AS NECESSARY TO CONTROL VEHICLE ACCESS TO AND ON THE SITE 2. MAINTENANCE AND REQUIREMENTS 2.1 IF THE FENCE IS DAMAGED OR VISIBILITY REDUCED, IT SHALL BE REPAIRED OR REPLACED IMMEDIATELY AND VISIBILITY RESTORED. 2-2. DISTURBANCE OF A CRITICAL AREA. CRITICAL BUFFER AREA, NATIVE GROWTH RETENTION AREA. OR OTHER AREA REQUIRED TO BE LEFT UNDISTURBED SHALL BE REPORTED TO THE CITY OF RENTON FOR RESOLUTION. 2.3. THE CITY MAY REQUIRE MORE SUBSTANTIAL FENCING IF THE FENCE DOES NOT PREVENT ENCROACHMENT INTO THOSE AREAS THAT ARE NOT TO BE DISTURBED UNLESS OTHERWISE NOTED, DRAWING I$ NOT TO HALf (NTS) STD. PLAN - 212.00 PUBLIC WORKS URR7�z DEPARTMENT STAKE AND WIRE FENCE 9/28/2018 1 [LATE MAX DRAINAGE GRATE TRIM GRATE F7FILITERED _ OVERFLOW BYPASS BELOW INLET GRATE DEVICE SEDIMENT AND DEBRIS R SECTION VIEW DRAINAGE GRATE (RECTANGULAR GRATE SHOWN) RETRIEVAL SYSTEM (TYP BELOW INLET GRATE DEVICE LI ISOMETRIC VIEW OVERFLOW BYPASS (TYP) NOTES: 1 PROTECTION 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 CATCH BASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP. 2. INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM. 1 THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE 4. SIZE THE BELOW INLET GRATE DEVICE (BIGO) FOR THE STORMWATER STRUCTURE IT WILL SERVICE 5. THE B 30 SHALL RAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS)_ (. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE GIGO WITHOUT SPILLING THE COLLECTED MATERIAL 7 PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 8.01,305). 8- ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE STORAGE THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY UNLESS OTHERWISE NOTED, ORAWING 15 NOT TO SCALE ENTSI STD. PLAN - 216.30 VQPUBLIC WORKS APPR E°I DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 1 GATT :45 Al 'OE IN a A'M NOTES: 1. CONDITIONS OF USE 1 1 PLASTC COVERING MAYBE USED ON DISTURBED AREAS THAT REQUIRE COVER MEASURES FOR LESS THAN 30 DAYS. 1.2, PLASTIC IS PARTICULARLY USEFUL FOR PROTECTING CUT AND FILL SLOPES AND STOCKPILES 1.3. CLEAR PLASTIC SHEETING MAY BE USED OVER NEWLY -SEEDED AREAS TO CREATE A GREENHOUSE EFFECT AND ENCOURAGE GRASS GROWTH. CLEAR PLASTIC SHOULD NOT BE USED FOR THIS 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. 2. DESIGN AND INSTALLATION SPECIFICATIONS 21 PLASTIC SHEETING SHOULD HAVE A MINIMUM THICKNESS OF 0.06 MILLIMETERS 22. 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. 23 TIRES, SAND BAGS. OR EQUIVALENT MAY BE USED TO WEIGHT PLASTIC. 24 SEAMS BETWEEN SHEETS MUST OVERLAP A MINIMUM OF 12 INCHES AND BE WEIGHTED OR TAPED. 3. MAINTENANCE STANDARDS 31 TORN SHEETS MUST BE REPLACED AND OPEN SEAMS REPAIRED, 3 2. IF THE PLASTIC BEGINS TO DETERIORATE DUE TO ULTRAVIOLET RADIATION, IT MUST BE COMPLETELY REMOVED AND REPLACED. 3.3 WHEN THE PLASTIC IS NO LONGER NEEDED. IT SHALL BE COMPLETELY REMOVED- UNLESSOTHERW,SI NOTED CIRAW'NC IS NOT TO SCA:F INTSI STD. PLAN - 213.30 PUBLIC WORKS PLASTIC COVERING U;'zs, oTa 1 DEPARTMENT GAZ ,,I 2 2 MAX LEVEL BOTTOM MAX 1I- 12' MIN. �2 MIN. SWALE SPACING DEPENDS ON SLOPE GRADIENT NOTES: 1. CONDITIONS OF USE 1A REQUIRED AT. 1, 1.1 THE TOP OF ALL SLOPES IN EXCESS OF 3H IV AND WITH MORE THAN 20 FEET OF VERTICAL RELIEF 1.12. AT INTERVALS ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELOW. AVERAGE SLOPE SLOPE PERCENT FLOW PATH LENGTH 20HIV (OR LESS) 3.5% 300 FEET (I0TO2O)HAV 5-10% 2DO FEET (4 TO 101HAV 10.25% 10D FEET (2 TO 4)H 1V 25-SD% 50 FEET 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1 FOR SLOPES STEEPER THAN 2141V WITH MORE THAN 10 FEET OF VERTICAL RELIEF, BENCHES MAY BE CONSTRUCTED OR CLOSER SPACED INTERCEPTOR SWALES MAY BE USED THE DESIRED MEASURE MUST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY RUNOFF TO A SEDIMENT POND OR TRAP 22 CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED. 1. MAINTENANCE STANDARDS 3.1 DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY 32. IF THE FACILITIES 00 NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY AND/OR FREQUENCY OF THE SWALES SHALL BE INCREASED. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) STD. PLAN - 217.10 1` PUBLIC WORKS DEPARTMENT GAZ INTERCEPTOR SWALE P D. 9/28/2018 I DATE - 3'-30 SEE NOTE 23 \ 3`-5'. SEE NOTE 2.2 ROLL SPACING DEPENDS ON SOIL TYPE AND SLOPE SEDIMENT. ORGANIC MATTER STEEPNESS AND NATIVE SEEDS ARE CAPTURED BEHIND THE ROLLS STRAW ROLLS MUST BE WOODEN STAKE PLACED ALONG SLOPE CONTOURS 4 �-I ADJACENT ROLLS SHALL TIGHTLY ABUT �j� \►, LIVE STAKE NOTES: 1. CONOTOONSOFUSE 1.1. INSTALL ON DISTURBED AREAS THAT REQUIRE IMMEDIATE EROSION PROTECTION. 1.2 USE ON SLOPES REQUIRING STABILIZATION UNTIL PERMANENT VEGETATION CAN BE ESTABLISHED. 13 CAN BE USED ALONG THE PERIMETER OF A PROJECT, AS A CHECK DAM IN UNLINED DITCHES AND AROUND TEMPORARY STOCKPILES 14 WATTLES CAN BE STAKED TO THE GROUND USING WILLOW CUTTINGS FOR ADDED REVEGETATION. is RILUNG CAN OCCUR BENEATH AND BETWEEN WATTLES IF NOT PROPERLY ENTRENCHED. ALLOWING WATER TO PASS BELOW AND BETWEEN WATTLES. L DESIGN AND INSTALLATION SPECIFICATIONS 2.1. IT IS CRITICAL THAT WATTLES ARE INSTALLED PERPENDICULAR TO THE FLOW DIRECTION AND PARALLEL TO THE SLOPE CONTOUR. 22. NARROW TRENCHES SHOULD BE DUG ACROSS THE SLOPE. ON CONTOUR. TO A DEPTH OF 3 TO 51NCHES ON CLAY SOILS AND SOILS WITH GRADUAL SLOPE, ON LOOSE SOILS. STEEP SLOPES, AND DURING HIGH RAINFALL EVENTS. THE TRENCHES SHOULD BE DUG TO A DEPTH OF 5 TO 7 INCHES. OR 12 TO 2)3 OF THE THICKNESS OF THE WATTLE 3. START CONSTRUCTION OF TRENCHES AND INSTALLING WATTLES FROM THE BASE OF THE SLOPE AND WORK UPHILL EXCAVATED MATERIAL SHOULD BE SPREAD EVENLY ALONG THE UPHILL SLOPE AND COMPACTED USING HAND TAMPING OR OTHER METHOD. CONSTRUCT TRENCHES AT CONTOUR INTERVALS OF 3 TO 30 FEET APART DEPENDING ON THE STEEPNESS OF THE SLOPE. SOIL TYPE. AND RAINFALL. THE STEEPER THE SLOPE THE CLOSER TOGETHER THE TRENCHES SHOULD BE CONSTRUCTED VERTICAL DISTANCE BETWEEN WATTLES IS NOT TO EXCEED 10 FEET. 24. INSTALL THE WATTLES SNUGLY INTO THE TRENCHES AND ABUT TIGHTLY END TO END. 00 NOT OVERLAP THE END& 2.5 INSTALL STAKES AT EACH END OF THE WATTLE. AND AT 4 FOOT CENTERS ALONG THE ENTIRE LENGTH OF THE WATTLE 2.6, IF REWIRED, INSTALL PILOT HOLES FOR THE STAKES USING A STRAIGHT BAR TO DRIVE HOLES THROUGH THE WATTLE AND INTO THE SOIL, 27 AT A MINIMUM, WOODEN STAKES SHOULD BE APPROXIMATELY 14 X 3M X 24 INCHES. WILLOW CUTTINGS OR 184NCH REPAR CAN ALSO BE USED FOR STAKES 28 STAKES SHOULD BE DRIVEN THROUGH THE MIDDLE OF THE WATTLE. LEAVING 2 TO 3 INCHES OF THE STAKE PROTRUDING ABOVE THE WATTLE 3. MAINTENANCE STANDARDS 3.1 INSPECT WATTLES PRIOR TO FORECASTED RAIN, DAILY DURING EXTENDED RAIN EVENTS, AFTER RAIN EVENTS, WEEKLY DURING THE WET SEASON, AND AT TWO WEEK INTERVALS AT ALL OTHER TIMES OF THE YEAR 3.2 REPAIR OR REPLACE SPLIT. TORN, RAVELING, OR SLUMPING WATTLES 3.3 REMOVE SEDIMENT ACCUMULATIONS WHEN EXCEEDING 12 THE HEIGHT BETWEEN THE TOP OF THE WATTLE AND THE GROUND SURFACE UNLIM OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NISI STD. PLAN - 213.40 • PUBLIC WORKS STRAW WATTLES APR D 9/28/2018 I :4 0'>I� DEPARTMENT GAZ NeN w..a�s...,=a.. DATE SECTION A 2'4' ROCK 2 1� 2 O �1 L A �=THE STANCE SI1CH THAT POINTS B IrMN. B ARE OF EQUAL ELEVATION BOTTOM OF DITCH SECTION IS NOTES: 1. CONDITIONS OF USE 1.1 WHERE THERE IS CONCENTRATED RUNOFF FROM DISTURBED AREAS TO AND FROM SEDIMENT PONDS OR TRAPS 1 2 TO CONVEY RUNOFF INTERCEPTED FROM UNDISTURBED AREAS AROUND THE SITE TO A NON -EROSIVE DISCHARGE POINT. 2. MAINTENANCE STANDARDS 2.1 ANY SEDIMENT DEPOSITION OF MORE THAN 6INCHES SHALL BE REMOVED 50 THAT THE CHANNEL IS RESTORED TO ITS ORIGINAL DESIGN CAPACITY. 2 2 THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS IF SCOURING AND EROSION HAS OCCURRED. AFFECTED AREAS SHALL BE PROTECTED BY RIPRAP OR AN EROSION CONTROL BLANKET OR NET UNI FSS OTHERWISE NOTED DRAWWC IS NOT TO WALF (WS STD. PLAN - 217.40 PUBLIC WORKS DEPARTMENT DITCH CHECK DAMS GAZ R - 9/28/2018 Unit TREE PROTECTION MEASURES C. PROTECTION FROM GRADE CHANGES: IF THE GRADE LEVEL ADJOINING TO A TREE TO BE RETAINED IS TO BE RAISED, G. MONITORING REQUIRED DURING CONSTRUCTION: THE APPLICANT SHALL RETAIN A CER77FIED ARBORIST OR LICENSED PR07EC77ON MEASURES DURING CONSTRUCTION: PR07EC77ON MEASURES IN THIS SUBSECTION SHALL APPLY FOR ALL TREES THE APPLICANT SHALL CONSTRUCT A DRY ROCK WALL OR ROCK WELL AROUND THE TREE. THE DIAMETER OF THIS LANDSCAPE ARCHITECT TO ENSURE TREES ARE PROTECTED FROM DEVELOPMENT ACTIVITIES AND/OR TO PRUNE THAT ARE TO BE RETAINED ON SITE AND OFF SITE. OFF -SITE TREES CONTAINING DRIP LINES THAT ENCROACH ONTO THE WALL OR WELL MUST BE EQUAL TO THE TREES DRIP LINE. BRANCHES AND ROOTS, FERTILIZE, AND WATER AS APPROPRIATE FOR ANY TREES AND GROUND COVER THAT ARE TO SI7E UNDER CONSTRUCTION SHALL BE CONSIDERED PROTECTED TREES UNLESS IT IS DETERMINED THE ABUTTING PROPERTY BE RETAINED. OWNER IS IN COMPLIANCE WITH SUBSECTION C OF THIS SECTION, ALLOWED TREE REMOVAL ACTIVITIES ALL OF THE D. IMPERVIOUS SURFACES PROHIBITED WITHIN THE DRIP LINE. • THE APPLICANT MAY NOT INSTALL IMPERVIOUS SURFACE H. ALTERNATIVE PROTECTION: ALTERNATIVE SAFEGUARDS MAY BE USED IF DETERMINED TO PROVIDE EQUAL OR GREATER FOLLOWING TREE PROTECTION MEASURES SHALL APPLY. MATERIAL WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE RETAINED, UNLESS OTHERWISE APPROVED TREE PROTECTION. A. CONSTRUCTION STORAGE PROHIBITED: THE APPLICANT MAY NOT FILL, EXCAVATE STACK OR STORE ANY EQUIPMENT, BY THE CITY. (ORD. 5958, 12-9-2019) DISPOSE OF ANY MATERIALS, SUPPLIES OR FLUIDS, OPERATE ANY EQUIPMENT, INSTALL IMPERVIOUS SURFACES, OR E. RESTRICTIONS ON GRADING WITHIN THE DRIP LINES OF RETAINED TREES. • THE GRADE LEVEL AROUND ANY TREE TO COMPACT THE EARTH IN ANY WAY WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE RETAINED. BE RETAINED MAY NOT BE LOWERED WITHIN THE GREATER OF THE FOLLOWING AREAS: (I) THE AREA DEFINED BY THE B. FENCED PROTECTION AREA REQUIRED: PRIOR TO DEVELOPMENT ACTIVITIES, THE APPLICANT SHALL ERECT AND DRIP LINE OF THE TREE, OR (II) AN AREA AROUND THE TREE EQUAL TO ONE AND ONE-HALF FEET (1-112) IN MAINTAIN SIX-FOOT (6) HIGH CHAIN LINK TEMPORARY CONSTRUCTION FENCING AROUND THE DRIP LINES OF ALL DIAMETER FOR EACH ONE INCH (1) OF TREE CALIPER. A LARGER TREE PROTECTION ZONE BASED ON TREE SIZE, RETAINED TREES OR AT A DISTANCE SURROUNDING THE TREE EQUAL TO ONE AND ONE -QUARTER FEET (1-114) FOR SPECIES, SOIL, OR OTHER CONDITIONS MAY BE REQUIRED. (ORD. 5676, 12-3-2012) EVERY ONE INCH (1) OF TRUNK CALIPER, WHICHEVER IS GREATER, OR ALONG THE PERIMETER OF A TREE PROTECTION F. MULCH LAYER REQUIRED: ALL AREAS WITHIN THE REQUIRED FENCING SHALL BE COVERED COMPLETELY AND EVENLY TRACT. PLACARDS SHALL BE PLACED ON FENCING EVERY FIFTY FEET (50) INDICATING THE WORDS, `NO TRESPASSING NTH A MINIMUM OF THREE INCHES (3) OF BARK MULCH PRIOR TO INSTALLATION OF THE PROTECTIVE FENCING. -PROTECTED TREES, "OR ON EACH SIDE OF THE FENCING IF LESS THAN FIFTY FEET (50). SITE ACCESS TO EXCEPTIONS MAY BE APPROVED IF THE MULCH WILL ADVERSELY AFFECT PROTECTED GROUND COVER PLANTS (ORD. INDIVIDUALLY PROTECTED TREES OR GROUPS OF TREES SHALL BE FENCED AND SIGNED. INDIVIDUAL 7REES SHALL BE 5676, 12-3-2012) FENCED ON FOUR (4) SIDES. IN ADDITION, THE APPLICANT SHALL PROVIDE SUPERVISION WHENEVER EQUIPMENT OR TRUCKS ARE MOVING NEAR TREES 5 PER CITY OF RENTON COMMENTS TLK 1-6-2023 NEAP SURVEYED: SCALE: VERTICAL: NAND 1988 - 4 PER CITY OF RENTON COMMENTS TLK 9-30-22 NEAP N/A HORIHORIZONTALNAD 1983/1991 CITY OF DESIGNED: 1700 NW GILMAN BLVD, STE 200 NEAP I 3 PER CITY OF RENTON COMMENTS KAL 5-18-21 KAL RENTON CIVIL ISSAQUAH, WA 98027 2 PER CITY OF RENTON COMMENTS KAL 6-17-19 KAL DRAWN- TLK • PHONE: (425) 821-5038 1 CONSTRUC77ON PLAN SET KAL 9-24-18 KAL ONE INCH DATU M Planning/Building/Public Works Dept. CHECKED: NEAP AT FULL SCALE IF NOT ONE INCH NO. REVISION BY DATE AP P R APPROVED: SCALE ACCORDINGLY NEAP JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS, OR EQUIVALENT TO ATTACH FABRIC TO POSTS 2"a2' 14 GAUGE WIRE. OR EWIVALENT, IF STANDARO STRENGTH FABRIC USED FILTER FABRIC -- I f_-- -- - 1=11k7t ------------ _1__ I 1 r- 6 MAX POST SPACING MAY BE INCREASED TO W IF SIRE BACKING IS USED 1 I I 1 4',14' MIN. TRENCH I 1 7' MIN. 1 J BAC1 J KFILL TRENCH WITH NATIVE SOIL 11 OR -' TO 1-I- WASHED GRAVEL Tao' WOOD POSTS. STEEL FENCE POSTS, OR EQUIVALENT (TYP I NOTES: 1 CONDITIONS OF USE I SIU FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBEOAREAS SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS ET INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW ANY CONCENTRATED FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND 2 DESIGN AND INSTALLATION SPECIFICATIONS i 1 THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE ADS (ASTM D4751) 30-100 SIEVE SIZE (0.60-0.15mm) FOR SILT FILM 50-100 SIEVE SIZE (0.30-0.15nRTI) FOR OTHER FABRICS WATER PERMITTIVITY (ASTM D4491) 002 SEC' MINIMUM GRAB TENSILE STRENGTH (ASTM 046321 180 LESS. MIN. FOR STANDARD STRENGTH FABRIC GRAB TENSILE ELONGATION (ASTM D4632) 30%MAX (WOVEN) ULTRAVIOLET RESISTANCE(ASTM D4355) 70%MIN. .2.2 STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE WERE 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 2HIV 2 4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4'X4' TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM 81NCHES OF THE SILT FENCE FABRIC IS WELL BURIED AND SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERMINE THE SILT FENCE 2s. FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE. 3. MAINTENANCE STANDARDS 3.1. ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY. 3.2. F CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND I 3.3. T 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 CHANNEUZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT l 4 SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH r IF THE FILTER FABRIC (GEOTEXTLLE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED, Aortbk STD. PLAN - 214.00 -.lhi PUBLIC WORKS PPOWT SILT FENCE 9/28/2018 I DEPARTMENT GAZ DAI I PLANTING BEDSAJNDISTURBED UNDISTURBED TURF ILAWNI AREAS VEGETATION, SEE NOTE 1 SEE NOTE 1 UNDISTURBED GRASSSEED OR SOD NATIVE VEGETATION UNDISTURBED NATIVE SOIL _ _ UNDISTURBED NATIVE SOIL OPTION 1 - NO DISTURBANCE PLANTINGEEDS TURF(LAWN)AREAS 3"4'aRBORIS7 WOOD CHIP MULCH. 1 SEE STD PLAN 262-60 / / / / GRASS: SEED OR SOD I 0" 3" OF COMPOST INCORPORATED 175"OF COMPOST INCORPORATED INTO INTO 5" OF SITE SOIL (TOTAL I I 6.26" OF SITE SOIL (TOTAL AMENDED DEPTH AMENDED DEPTH OF 9.5', FOR A OF 9.5-, FOR A SETTLED DEPTH OF 8"1 SETTLED DEPTH OF 8') fl" ~'t SUBSOIL SCARIFIE0 4" BELOW SUBSOIL SCARIFIED 4' BELOW i ; I- COMPOST AMENDED LAYER COMPOST AMENDED LAYER 112- BELOW SOIL SURFACE) (12" BELOW SOIL SURFACE) OPTIONS 2, 3, AND 4 - AMEND IN PLACE OR STOCKPILE AND AMEND PLANTING BEDS I URF, LAWNi AREAS 3'1' ARBORIST //� / GRASS: SEED OR SOD SOD STOP MULCH, 0' - ID1 " PLAN 262 BO NOTES: 1 1 AREAS OF NO DISTURBANCE TO BE FENCED - AND EXISTING VEGETATION AND SOIL TO BE PROTECTED FROM CONSTRUCTION IMPACTS 6' IMPORTED 6' IMPORTED TOPSOIL MIX I I I TOPSOIL MIX GENERAL NOTES: (COMPACTED I (COMPACTED DEPTH) 1 I 1 I 8, DEPTH( I TO MEASURE SETTLED DEPTH, WATER SOIL . _ SUFFICIENTLY TO FULLY SATURATE WITHOUT CAUSING EROSION E T[- SUBSOIL IS 2 COMPOST TO MEET STD PLAN 262.60 SUBSOIL IS ✓`-: '< SCARIFIED 6" BELOW IMPORTED 3 COMPACTION OF TOPSOIL (WHERE REQUIRED) SCARIFIED 6' \ ., c `-- i' TOPSOIL MIX TO BE TO 85% OF STANDARD PROCTOR BELOW IMPORTED / /"� ,' :I 7, TOPSOIL MIX �'- I� 4. SEE CONSTRUCTION PLANS FOR SPECIFIC 1T PROJECT REOUIREMENTS. OPTION S -IMPORTED TOPSOIL UNLESS OTHERWISE NOTED. DRAWING IS NOT TO SCAU E (NISI STD. PLAN - 264.00 PUBLIC WORKS P D. (9 SOIL AMENDMENT SECTIONS GAZ 9/28/2018 1 DEPARTMENT tz - = � - GATE R-404I10 IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING IL Michael Sippo 06/22/2023 ' ,O DATE: Renton Subdivision 1-6-2023 17018 & 17022106th Avenue SE FlELDBOOK: PAGE. Renton WA 98055 � DRAWING N0: CITY OF RENTON EROSION CONTROL DETAILS SHEET. °F'1 11 9