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HomeMy WebLinkAboutR-413005O M O U Z W F_ W Z ry M) W I_ z w 2 LU 0 0_ LU (D Q z 0 LL AVALON PROJECT I � I I I M CATCH BASIN FILTER -- PER STD PLAN 216.3 I / I I I II Lu II Q II I- w I� z ty i I � � m i I I i � I I I I A CHED AREA REPRESENTSLIMIT OF DISTURBANCE FO FRONTAGE U/ IM� ROVEM NT I � I I I I I /I I IA � I I 14670 NE 8TH ST #200 BELLEVUE, WA 98007 TEL. 714-336-4714 EMAIL: glen@avalonproject.us Color Codes Thr. Iifilifill-n will Fe- Ili,-nfifi,A her winL&I M f R 0 or R09B Wilmin I."17iv- f9wF 111v1191 911 of tho utilRyr BITES. RED EM EWcbk YELLOW I Gas, Oi, Fuel ORANGE male, TV. Telephone BLUE prin king filar GREEN SeWMF -� / \ 1-------------- - - - - - - - -V� N 33RD PL CATCH BASIN - - - - - � FILTER -- PER STD PLAN 216.3 / II NO. REVISION V / EXISTING WOOD / FENCE TO REMAIN DURING CONSTRUCTION SURVEYED: DESIGNED: DRAWN: C HEC RED: B Y DATE AP P R APPRovED: Docu$ign Envelope 10: 6EECF5B6.602A-4E4A-84W-A317AA638679 EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTES: THE FOLLOWING IS LISTING OF GENERAL NOTES THAT SHALL BE INCDRPORATEO IN THE EROSION AND SEDIMENT CONTROL (ESCI PLAN SET ALL THE NOTES ON THE U$T MAY NOT PERTAIN TO EVERY PROJECT. THE APPLICANT OR OWNER, HEREBY REFERREO TO AS APPLICANT, MAY $TRIKF OUT IRRELEVANT NOTE$ IF NOT APPLICABLE TO THE PROJECT. HOWEVER THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC ASPECTS. THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES. I- BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON, HEREBY REFERRED TO AS THE CITY, THE APPLICANT. AND THE APPLICANT'S CONTRACTOR 2. THE APPLICANT IS RESPONSIBLE FOR OBTAINING THE WASHINGTON STATE DEPARTMENT OF ECOLOGY IECOLOGY) CONSTRUCTION STORMWATER GENERAL SHERMTT, IF IT I$ REQUIRED FGR Me PROJECT. THE APPLICANY SHALL PROVIDE THE CITY COPIES OF ALL MONITORING REPORTS PROVIDED TO ECOLOGY ASSOCIATED WITH THE CONSTRUCTION STORMWATER GENERAL PERMIT- 3. THE ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEQUENCE DETAILING THE ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION COMMENCEMENT TO POST -PROJECT CLEANUP IN ORDER TO FULFILL PROJECT ESC REQUIREMENTS. N- THE BOUNDARIES OF THE CLEARING LIMITS, SENSMV E AREAS AND THEIR BUFFERS, AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF THE CITY OF RENTON SURFACE WATER DESIGN MMLIAL (RENTON SWFMA) PRIOR TO THE START OF CONSTRUCTION. DUFFING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLLCANDESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION 5. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT ADDITIONAL MEASURES, $LICH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUITED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK -OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT. IF SEDIMENT IS TRACKED OFFSITE- PUBLIC ROADS SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. OR MORE FREQUENTLY DURRNG WET WEATHER. AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING WATERS OF THE STATE. S. WASHOUT FROM CONCRETE TRUCES $HALL BE PERFORMED OFF$ITE OR IN DESIGNATED CONCRETE WASHOUT' AREAS ONLY. DO NOT WASH CUT CONCRETE TRUCKS ONTO THE GROUND. OR TO STORM DRAINS OR OPEN DITCHES- ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGNATED CONCRE: t WASHOUT AREAS. 7. ALL REQUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARNG ANWOR CONSTRUCTION TO PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER. DRAINAGE SYSTEMS AND ADJACENT PROPERTIES- ALL ESC RP$ SHALL BE MAINTAINED IN A SATISFACTORY GONORTON UNTIL SUCH TIME THAT CLEARING ANNOR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. ALL ESC BMPS SHALL BE REMOVED AFTER CONSTRUCTION IS COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR ON -SITE EROSION DOES NOT EXIST- THE IMPLEMENTATION, MAINTENANCE- REPLACEMENT. ENHANCEMENT, AND REMOVAL OF ESC BMPS SHALL BE THE RESPONSIBILITY OF THE APPLICANT B. ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE POTENTIAL TO POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY. B. THE ESC BMPS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNExPECTE0 OR SEASONAL CONDITIONS DICTATE, THE APPLICANT $HALL ANTICIPATE THAT MORE ESC BMPS WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE APPLICANT TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS- OVER AND ABOVE MINIMUM REOUIREMIENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 10- APPROVAL OF TH1$ PLAN IS FOR ESC ONLY. IT DOE$NOT CONSTITUTE AN APPROVAL OF $TOAM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTOR$. CHANNELS. OR STORMWATER FACILITIES. 11- ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL. $2- ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS WRING THE WET SEASON (OCTOBER 1ST THROUGH APRIL WTH)OR SEVEN DAYS DURING THE DRY SEASON (MAY 1ST THROUGH SEPTEMBER NTH) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED E$C COVER METHOD$ {E.G.. 5EeDNG. MIRCHING. PLASTIC COVERING. ETC.] IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWOM. 13- WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION STIES BETWEEN OCTOBER 1ST AND APRIL SBTH, UNLESS OTHERWISE APPROVED BY THE CITY 1N- ANY AREA NEEDING ADDITIONAL ESC MEA5URE5. NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS. 16, THE ESC BMPS ON INACTNE SITE$ $HALL BE INSPECTED AND MAINTAINED AT A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLCWINGA STORM EVENT INSPECTION AND MAINTENANCE SHALL OCCUR MORE FREQUENTLY AS REQUIRED BY THE CITY. 1S. BEFORE COMMENCEMENT OF ANY CONSTRUCTION ACTIVITY, CATCH BASIN INSERTS PER THE CITY STANDARD PLAN 210.30 SHALL BE PROVIDED FOR ALL STORM GRAN INLETS DOWNSLOPE AND WITHIN WO FEET OF DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE INLET WILL BE CONVEYED TO SEDIMENT POND OR TRAP. ALL CATCH BASIN INSERTS $HAIL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNGTIONING CONDITION. 17- AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 25OF THE CAPACITY OF THE CATCH TSASIN SUMP- ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING- THE CLEANING OPERATION SHALL NOT FL" SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. HL ANY PERMANENT STORMWATER FACILITY LOCATION USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY ESC BMPS AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY, IF THE TEMPORARY FACILITY IS TO ULTIMATELY FUNCTION AS AN INFILTRATION SYSTEM IN ITS PERMANENT STATE. THE TEMPORARY FACILFTY SHALL EE ROUGH GRADED SO THAT THE BOTTOM AND BIDES ARE AT FEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. 19- AREAS DESIGNATED ON THE PLANIS) CONTAINING EXISTING STORMWATER FACIuTES OR ON -SITE BMPS (AMENDED SOILS, BIORETENTION, PERMEABLE PAVEMENT, ETC.) SMALL BE CLEARLY FENCED AND PROTECTED USING ESC BMPS TO AVOID SEDIMENTATION AND COMPACTION DURING CONSTRUCTION. 20. PRIOR TO THE BEGINNING OF THE WET SEASON IOCTOSER 1ST), ALL DISTURBED AREAS SHALL BE INSPECTED TO IDENTIFY YVHICH ONES SMALL BE SODDED OR SEEDED IN PREPARATION POP THE WINTER RAINS. DI$TUREEO AREAS $HALL BE SODDED OR$EEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. AN EXHIBIT OF THOSE AREAS TO BE SODDED OR SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY FOR REVIEW. 21. PRIOR TO FINALCONSTRUCTION ACCEPTANCE THE PROJECT SITE SHALL BE STABIL12EDTO PREVENT SEDIMENT -LADEN WATER FROM LEAVINOTHE PROJECT SITE ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS. FACILITIES, AND ON•SITE BMPS SHALL BE RESTORED TO THEIR FULLY FUNCTIONING CONDITION. ALL DISTURBED AREAS OF THE PROJECT SITE SHALL BE VEGETATED OR OTHERWISE PERMANENTLY STABILIZED. AT MINIMUM. DISTURBED AREAS$HALL SESODDED OR SEEDEDAND MULCHED TO ENSURE THAT SUFFICIENT COVER WILL DEVLLOPSHORTLY AFTER FINAL APPROVAL MULCH WITHOUT SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFORE OCTOBER AST. 22. ROCKERIES ARE CONSIDERED TO BE A METHOD OF BANK STABILIZATION AND EROSION CONTROL. ROCKERIES SHALL NOT BE CONSTRUCTED TO SERVE AS RETAINING WALLS. ALL ROCKERIES IN CITY ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS. ROCKERIES OUTSIDE OF ROAD RIGHT$ -OF -WAY SHAL4 Be CON$TRUCTEO IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE Dcu$ign Envelope 10: 6EECF5B"1)2A-4E4A-B4M-A317AA638679 STD. PLAN - 268.0D PUBLIC WORKS EROSION AND SEDIMENT CONTROL PR a DEPARTMENT STANDARD PLAN NOTES GAZ 9/28/2018 1 :45 AA M-w-.A-.. DATE JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS- USE STAPLES, WIRE RINGS, OR EQUIVALENT TO ATTACH FABRIC TO POSTS I Tx2' 14 GAUGE WIRE, OR EQUIVALENT- IF STANDARD STRENGTH FAARIC USED FILTER FABRIC 6 MAX. I I I 2 h11N J POST SPACING MAYBE INCREASED I I N,pl- MIN. TRENCH TO B' IT WIRE BACKING IS USED I I 8ACKFILL TRENCH WITH NRiryE SOIL OR SrN-TO 1.1*7 WA$HEO GRAVEL Lj 2kN' WOOD POSTS, STEEL FENCE POSTS, OR EQUIVALENT (TYP.) NOTES: 1. CONDITIONS OF USE 11. SILT FENCE MAY BE USED DOW14SLOFIE OF ALL DISTURBED AREAS. 1.2. SLT FENCE IS NOT INTEN OFF TO TREAT CONCENTRATED FLOWS, NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW- ANY CONCENTRATED FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A, SEDIMENT TRAP OR POND. 2. DESIGN AND INSTALLATION SPECIFICATIONS 2 v THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURERS FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE AOS{ASTM Du751) 30400 SIEVE SIZE {D.SP-0.l5mm] FOR SILT RU1 50.10e SEVE SIZE AN-0.45rTKe1) FOR OTHER FABRICS WATER PERMITTIVITY OSTM ON491) 1102 SEC' MINIMUM MAE TENSILE STKENCTHI IASTM 134G32) 1B0 LBS- MIN. FOR EXTRA STRENGTH FABRIC 1DO LIES MIN. FOR STANDARD STRENGTH FABRIC GRAB TENSILE ELONGATION IA$TM DIS$2] 30%MAX. (WOVEN) ULTRAVIOLET RE$LWANKCE (ASTIR EMM6 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 WARRANT$A STRONGER FENCE- 2.3. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H: TV 24. IF TYPICAL SILT PENCE IS USED. THE STANDARD N-XC TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM S INCHES OF Hie 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. 2 5. FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE 3, MAINTENANCE STANDARDS al. ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY. NV 92. IF CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO ASEDIME SEDIMENT TRAP OR POND- 33. IT 15 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 REMOVE THE TRAPPED SEDIMENT. 3.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT 15 B INCHES HIGH. 3.S. IF THE FILTER FABRIC IGEOTEX ILE) HITS OETERIORATED WE TO ULTRAVIOLET BREAKDOWN, ITSHALL Be REPLACED. NO SS OTHFR W ISF NOTED, DRA W i NG IS NDT TO SLATE I IN TSI STD. PLAN - 214.OD PUBLIC WORKS SILT FENCE PR 9/28/2ff18 I DEPARTMENT GAZ DATE EROSION CONTROL METHODS SHOWN ARE A MINIMUM, ADDITIONAL MEASURES MAY BE REQUIRED AS NEEDED FOR COMPLIANCE WITH APPENDIX D OF THE RSWDM. SCALE: VERTICAL: NAVD "QUIZ°� LAD CITY O F 1983/1991 ONE INCH RENTON AT FULL kSCALEIFNOT ONE � Plcnning/B uilding/Public Works INCH SCALE Dept. ACCORDINGLY 5' MAX. DRAINNGE GRATE TRIM GRATEjFRAME7 OVERFLGWBYPA$$ BELOW INLET GRATE DEVICE SEDIMENT AND DEBR RLTEREC WATER SECTION VIEW DRAINAGE GRATE IRECTANGULAR GRATE SH10WN0 RETRIEVAL SYSTEM (TYP-) OVERFLOW BYPASS (TYP.) BELOW INLET GRATE DEVICE ISOMETRIC VIEW NOTES: 1- PROTECTION $HALL BE PROVIDED FOR ALL STORM DRAB INLET$ pOWTNSLOPE AND WITHIN SDD FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE CONVEYED TO SEDIMENT POND 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 C SIZE THE BELOW INLET GRATE DEVICE IBIGOI FOR THE STORMWATER STRUCTURE IT WILL SERVICE. 6. THE BIGO$HALL HAVE EUILT4N HIGH.FLOW RELIEF $Y$TEM {OVERFLOW BYPASS). S. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE &CID WITHOUT SPILLING THE COLLECTED MATERIAL. T. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION "1.3(15). B. ANY SEDIMENT UN 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 9THFRWiSE NOTED. DRAWING 15 NOT TO SCALE IWSI STD. PLAN - 216.30 PUBLIC WORKS APPR ED: DEPARTMENT CATCH BASIN INSERT GAZ 9/2812018 l DATE P7,1111-ROB R•YB MW. INSTALL DiiIVEWAY� 1� IF THERE IS A ROADSIDE DITCH PRESENT, ASPER CITY ROAD STANDARDS 1 GEDTEXTILE 1. DRIVEWAYS SHALL BE PAVED TO THE EDGE OF THE RIGHTAF•WAWAY PRIOR TO INSTALLATION OF THE CONSTRUCTION ENTRANCE TO AVOID DAMAGING OF THE ROADWAY- 2. IT IS RECOMMENDED THAT THE , ENTRANCE BE CROWNED $0 THAT RUNOFF DRAINS OFF THE PAD 100 MIN. 1S MIN. PROVIDE FULL WIDTH OF INGRES5IEGRESS AREA 12'MI1N. THICKNESS X, NOTES' 1. CONDITION OF UBE 1,1- CONSTRUCTION ENTRANCE $11AL4 BE STABNLZeP WHEREVER TRAFFIC WILL SE LSAVINO A OON$TRUCTiom $TE AND TRAVELING ON PAVED RDAM OR OTHER PAVED AREAS WITHIN 1.WO FEET OF THE SITE. 1]. FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION ENTRANCE. STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTRWIDTH TO PROVIDE VEHICLE ACCESSPA,RKING. BASED ON LOT SIZ&CONFIGURATION. 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. A SEPARATION GEOTEXTRE 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 fASTM 04632) NO LBS. MIN GRAB TENSILE ELONGATION IASTM D46321 31%MAX. MOVENI CaR PUNCTURE STRENGTH IASTM 06241) 40 LBS. MIN AOS IASTAI D47511 2D45 LU.5. STANDARD SIEVE SIZE) 22. 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. 2.3. HOG FUEL {WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROADS HOO FUEL IS NOT RECOMMENOED FOR ENTRANCE STABILIZATION IN URBAN AREAS- THE INSPECTOR MAY AT ANY TIME REOUIRE THE USE OF OuMRRYS'PAu,S IF THE NW FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACA£O ONTO PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT. 2A. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE. 2.6. WHENEVER PO$$IBLe. THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED $4EGRAPF. THIS CAN SLBSTANTIJH.Y 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 $2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEIND TRACKED ONTO PAVEMENT, THEN ALTERNATIVE MEASURES TO BEEP 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 DOME ON AN AREA COVERED WITH CRUSHED ROCK, AND WASH WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND. SB. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL Be REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING $HALL Be REMOVE() OR STABILIZED ON STE. THE PAVEMENT $HALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS 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 ITCAN BE CONTROLLED AND OFSCHARGED 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. 3.5. IF VEHICLES ARE ENTERING OR EXTING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENJRANCEISL FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC, uNLE 5S OTHER W iSF NOTED, DRA W i NG IS NOT TO SCALE I N NI STD. PLAN - 215.1D • PUBLIC WORKS PR° ED ^+I\ DEPARTMENT STABILIZED CONSTRUCTION ENTRANCE GAZ 9/28/2018 1 DATE :45 M :45 AT R-413005 IN COMPLIANCE WITH CITY OF RENTON STANDARDS -- DEVELOPMENT ENGINEERING AIII IL Nathan Janders 09/16/2020 %J] CURRENT PLANNING Angelea Weihs 07/23/2019 191 BURNETT AVE INC 3302 BURNETT AVE N, RENTON, WA 98056 FRONTAGE IMPROVEMENT TESC / EROSION CONTROL DATE: 1 /31 /2020 FIELDBOOK: PAGE: DRAWING No: C05 5 SHEET: OF: 5