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A PORTION OF THE NW 1/4, SECTION 12, T 28 N, R 4 E, WM
<br /> STORMWATER POLLUTION PREVENTION PLAN (SWPPP):
<br /> THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING THE EROSION CONTROL MEASURES FI FMFNT 67: PROTECT DRAIN INI FTS, Fl FMFNT 617: MANAGE THE PROJECT(CONTINUED) 10
<br /> SHOWN OR DESCRIBED IN THE CONTRACT DOCUMENTS AND ANY ADDITIONAL MEASURES 1.ALL STORM DRAIN INLETS OPERABLE DURING CONSTRUCTION AND ALL INLETS WITHIN THE FOLLOWING ACTIVATES ARE EXEMPT FROM THE SEASONAL CLEARING AND GRADING i
<br /> THAT MAY BE REQUIRED BY THE CONTRACTORS MEANS AND METHODS OF CONSTRUCTION 200'DOWNSTREAM OF THE PROJECT SITE SHALL BE PROTECTED WITH CATCH BASIN LIMITATIONS: S I66fi
<br /> AS NEEDED TO CONTROL EROSION AND SEDIMENT AT THE CONSTRUCTOR SITE AND TO ALTERS SO THAT STORMWATER RUNOFF DOES NOT ENTER THE CONVEYANCE SYSTEM a)ROUTINE MAINTENANCE AND NECESSARY REPAIR OF EROSION AND SEDIMENT CONTROL /� )II' s•
<br /> PREVENT VIOLATION OF SURFACE WATER QUAUTY,GROUND WATER QUAUTY,OR SEDIMENT WITHOUT FIRST BEING ALTERED OR TREATED TO REMOVE SEDIMENT. CATCH BASIN FILTERS BMPs; 4 ''.-71, ••••••• ,.
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<br /> MANAGEMENT STANDARDS. EROSION CONTROL MEASURES SHALL BE MAINTAINED IN THE ROADWAY WILL BE OIL/SEDIMENT ALTERS AND CATCH BASIN ALTERS OUTSIDE b)ROUTINE MAINTENANCE OF PUBUC FACILITIES OR EXISTING UTILITY STRUCTURES THAT CP� ' \
<br /> THROUGHOUT THE COURSE OF CONSTRUCTION AND UNTIL ALL DISTURBED EARTH IS OF THE ROADWAY WILL BE SEDIMENT ALTERS. DO NOT EXPOSE THE SOIL OR RESULT IN THE REMOVAL OF THE VEGETATIVE COVER TO ! "'9} s� `4
<br /> STABILIZED IN FINISH GRADES. ?3. /
<br /> 2 APPROACH ROADS SHALL BE KEPT CLEAN. SEDIMENT AND STREET WASH WATER SOIL: AND LWl� r: Q" �te ?'
<br /> ACTIVITIES WHERE 11-IERE IS ONE
<br /> ED
<br /> T INFILTRATION OF SURFACE
<br /> THE FOLLOWING
<br /> IBES HOW THE CONSTRUCTION
<br /> P ADDRESSES EACH OF THE 12 TREATMENT. RUNOFF
<br /> REQUIRED EP,SITE LEMENTS.
<br /> EROSION REFER
<br /> TOE THESE ANS FOR DRAWINGS OF THE AND EROSIONPROJECT,
<br /> E,VICINITY SEDIMENTD . INLET HAS FILLED DEVICES
<br /> ONE-THIRD RSOF SHOULD BEAC CLEANED
<br /> LABLE O EMOREMOVED AND WHEN FILLEDCWITHWEN Cn
<br /> SHALL NOT BE ALLOWED TO ENTER STORM DRAINS WITHOUT PRIOR AND ADEQUATE c)CONTROLWF CIUTTHIN TIES.SITEE IN APPROUVEDRANDPINDSANLLED EROSION AND SEDIMENT WATER '/fiJ011 Ifi111llllllfifilllllllfil"1114,
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<br /> SEDIMENT CONTROL DETAILS. 1 _
<br /> I' •• :I I e•T•i s LAR. .,1 SIX-INCHES OF SEDIMENT). 3.THE PRIMARYY PROJECT PROPONDINATE WITH UTILITIES ENOT SHALL EVALOTHER TUATE.WITH INPUT FROM UTILITIES AND R=25'MIN. 12'MIN 1ACTORS111111r� '�\��'��I (n
<br /> 1.PRIOR TO BEGINNING LAND DISTURBING ACTIVITIES(INCLUDING CLEARING AND GRADING) BMPs TO BE USED: OTHER CONTRACTORS,THE STORMWATER MANAGEMENT REQUIREMENTS FOR THE ENTIRE 111fi �.10���0
<br /> BMP C220: STORM DRAIN INLET PROTECTION(WSDOT STD PLAN 1-40.20-DO) PROJECT,INCLUDING THE UTILITIES,WHEN PREPARING THE CONSTRUCTION SWPPP. ' 11 • 0 H
<br /> CLEARLY MARK ALL CLEARING UNITS AND TREES THAT ARE TO BE PRESERVED WITHIN THE BMP C233: SILT FENCE 4"-B'QUARRY SPALLS 111 ii1 O L, Z_
<br /> CONSTRUCTION AREA AS SHOWN ON THE DRAWINGS. PLACE GEOTEXALE UNDER SPALLS 1-
<br /> 4. INSPECTION AND MONITORING: '� C Z
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<br /> 2.SILT FENCE,CEOTEXTLE ENCASED BARRIERS,CONSTRUCTOR FENCE,ORANGE PLASTIC 06-.La :.r s I F GEOTEXTILE SHALL MEET THE FOLLOWING STANDARDS: !. 7
<br /> FENCE,OR OTHER APPROVED MEASURES MAY BE USED TO MARK THE CLEARING OMITS AT 1.ALL TEMPORARY.ON-SITE CONVEYANCE CHANNELS SHALL BE DESIGNED,CONSTRUCTED SITE INSPECTION SHALL BE CONDUCTED BY A PERSON WHO IS KNOWLEDGEABLE IN THE GRAB TENSILE STRENGTH(ASTM D-4751) =200 PSI MIN 6 _I L W
<br /> THE CONTRACTOR'S OPTION. AND STABILIZED TO PREVENT EROSION FROM THE EXPECTED PEAK 10 MINUTE VELOCITY OF PRINCIPLES AND PRACTICES OF EROSION AND SEDIMENT CONTROL AT LEAST ONCE GRAB TENSILE ELONGATION(ASTM 5-4632) =30%MIN w m
<br /> 3.THE DUFF LAYER,NATIVE TOPSOIL AND NATURAL VEGETATION SHALL BE RETAINED IN FLOW FROM A TYPE 1A,10-YR,24-HR FREQUENCY STORM FOR THE DEVELOPED EVERY CALENDAR WEEK AND WITHIN 24 HOURS OF ANY RAINFALL EVENT.THIS PERSON MULLEN BURST STRENGTH (ASTM 0-3705-00a)-400 PSI MIN W Q ' ` W
<br /> AN UNDISTURBED STATE TO THE MAXIMUM DEGREE PRACTICABLE. CONDITION.ALTERNATIVELY.THE 10-YR,1-HR FLOW RATE INDICATED BY AN APPROVED HAS THE SKILLS TO: AOS(ASM D-4751) =25-45(U.S.51D SIEVE SIZE) ~ 7r �v/�
<br /> SUGGESTED BMPs/BMPs TO BE USED: 2..COSTABIUZATION,S 0IN INCLUDING ARMORINGL DBY A MATERIALCTOR OF ADEQUATE6,MAY BE TO PREVENTSEDEROSION OF a)AQUALITY OFSS FSITE STORMWCONDITIONS
<br /> NTER,ANDCD CONSTRUCTOR ACTIVITIES THAT COULD IMPACT THE DETAIL-STABILIZED CONSTRUCTION ENTRANCE Z (n W
<br /> BMP C103: HIGH VISIBIUTY PLASTIC FENCE OUTLETS,ADJACENT STREAM BANKS,SLOPES,AND DOWNSTREAM REACHES SHALL BE b)ASSESS THE EFFECTIVENESS OF EROSION AND SEDIMENT CONTROL MEASURES USED TO d : CC
<br /> _ PROVIDED AT THE OUTLETS OF ALL CONVEYANCE SYSTEMS. CONTROL THE QUALITY OF STORMWATER DISCHARGES. REF: C.O.E.STD DETAIL 201 W
<br /> I: I5,, e . NO SCALE - O
<br /> 1. CONSTRUCTION VEHICLE ACCESS AND EXIT SHALL BE UNITED TO ONE ROUTE.REFER SUGGESTED BMPs/BMPs TO BE USED: IF INSPECTION AND/OR WATER MONITORING OF SITE RUNOFF REVEALS THAT THE BMPs , LU
<br /> TO SWPP PLAN OF THESE PLANS FOR THE CONSTRUCTION ENTRANCE LOCATION.ALL NOT APPUCABLE IDENTIFIED IN THE CONSTRUCTION SWPPP ARE INADEQUATE,THE CONTRACTOR SHALL 5
<br /> ACCESS/EXIT POINTS SHALL BE STABIUZED WITH QUARRY SPALLS,CRUSHED ROCK OR IMMEDIATELY ADD BMPs TO THE SWPPP AS NECESSARY. �
<br /> OTHER EQUIVALENT BMP,TO MINIMIZE THE TRACKING OF SEDIMENT ONTO PUBLIC ROADS. _
<br /> 2. IF THE STABIUZED CONSTRUCTION ENTRANCE IS NOT EFFECTIVE IN PREVENTING ELEMENT 69: CONTROL POLLUTANTS CO CO
<br /> SEDIMENT FROM BEING TRACKED ONTO PUBLIC ROADS,WHEEL WASH OR TIRE BATHS 1.ALL POLLUTANTS,INCLUDING WASTE MATERIALS AND DEMOLITION DEBRIS, THAT 6•
<br /> SHALL BE LOCATED ON SITE. OCCUR ONSITE SHALL BE HANDLED AND DISPOSED OF IN A MANNER THAT DOES NOT ELEMENT 613: PROTECT LOW IMPACT DEVELOPMENT BMPs
<br /> 3. IF SEDIMENT IS TRACKED OFF SITE,PUBUC OR PRIVATE ROADS SHALL BE CLEANED CAUSE CONTAMINATION OF STORMWATER. 1.AREAS ON-SITE WHICH UTUZE STORMWATEER MANAGEMENT BMPs SHALL BE , -F
<br /> THOROUGHLY AT THE END OF EACH DAY,OR MORE FREQUENTLY DURING WET WEATHER. 2. COVER,CONTAINMENT,AND PROTECTION FROM VANDAUSM SHALL BE PROVIDED FOR PROTECTED FROM SILTATION AND COMPACTION DURING THE CONSTRUCTOR PROCESS. ��r��•��s_4•i i in
<br /> SEDIMENT SHALL BE REMOVED FROM ROADS BY SHOVELING OR PICKUP SWEEPING AND a) ��•� A� A• ���`�'
<br /> ALL CHEMICALS,LIQUID PRODUCTS,PETROLEUM PRODUCTS,AND OTHER MATERIALS THAT DO NOT ALLOW MUDDY CONSTRUCTION EQUIPMENT ON BASE MATERIAL OR PAVEMENT. I-'11 Y4•
<br /> SHALL BE TRANSPORTED TO A CONTROLLED SEDIMENT DISPOSAL AREA. HAVE THE POTENTIAL TO POSE A THREAT TO HUMAN HEALTH OR THE ENVIRONMENT. DO NOT ALLOW SEDIMENT-LADEN RUNOFF ONTO PERMEABLE PAVEMENTS OR BASE l •=1 '
<br /> 4.STREET WASHING IS ALLOWED ONLY AFTER SEDIMENT IS REMOVED AS DESCRIBED ON-SITE FUEUNG TANKS SHALL INCLUDE SECONDARY CONTAINMENT. MATERIALS. ��� ��
<br /> ABOVE.STREET WASH WASTEWATER SHALL BE CONTROLLED BY PUMPING BACK ON SITE 3. MAINTENANCE,FUEUNG,AND REPAIR OF HEAVY EQUIPMENT AND VEHICLES SHALL BE b)PAVEMENT FOULED WITH SEDIMENTS OR NO LONGER PASSING AN INITIAL INFILTRATION 't- Y
<br /> OR OTHERWISE BE PREVENTED FROM DISCHARGING INTO SYSTEMS TRIBUTARY TO WATERS CONDUCTED USING SPILL PREVENTION AND CONTROL MEASURES. CONTAMINATED TEST MUST BE CLEANED USING PROCEDURES IN ACCORDANCE WITH THE CURRENT DOE
<br /> OF THE STATE. SURFACES SHALL BE CLEANED IMMEDIATELY FOLLOWING ANY SPILL INCIDENT. MANUAL OR MANUFACTURERS PROCEDURES. 2'-4'ROCK
<br /> 4. WHEEL WASH OR TIRE BATH WASTEWATER SHALL BE DISCHARGED TO A SEPARATE c)KEEP ALL HEAVY EQUIPMENT OFF EXISTING SOILS UNDER UD FACIUTES THAT HAVE Nit:'".
<br /> SUGGESTED BMPs/BMPs TO BE USED: ON-SITE TREATMENT SYSTEM OR TO THE SANITARY SEWER WITH LOCAL SEWER DISTRICT BEEN EXCAVATED TO ANAL GRADE TO RETAIN THE INFILTRATION RATE OF THE SOILS. ....44._45.__
<br /> CONTRACTOR SHALL UTIUZE GRAVEL POND ACCESS ROAD FOR CONSTRUCTION ACCESS APPROVAL. DOW ,L.-�re. :-7 24_ .�- %Sr. bg
<br /> AND KEEP PAVED PARKING LOT CLEAN BY FOLLOWING D.O.E.BMP140 DUST CONTROL. 5. APPUCATON OF FERTIUZERS AND PESTICIDES,SHALL BE CONDUCTED IN A MANNER SUGGESTED BMPs/BMPs TO BE USED: 18 , '•�� `Zti
<br /> AND AT APPLICATION RATES THAT WILL NOT RESULT IN LOSS OF CHEMICAL TO BMP C103: HIGH VISIBIUTY FENCE 4 o��I_i��� m6. 1 Ov'^ti ,..
<br /> ELEMENT 63: CONTROL FLOW RATES STORMWATER RUNOFF. MANUFACTURERS'LABEL REQUIREMENTS FOR APPLICATION RATES BMP C233: SILT FENCE .......4-• - 7'..
<br /> 1. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE AND PROCEDURES SHALL BE FOLLOWED. " �" `(� '
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<br /> PROTECTED FROM EROSION DUE TO INCREASES IN THE VELOCITY AND PEAK VOLUMETRIC 6. BMPs SHALL BE USED TO PREVENT OR TREAT CONTAMINATOR OF STORMWATER ROCK CHECK DAM SECTIONS
<br /> FLOW RATE OF STORMWATER RUNOFF FROM THE PROJECT SITE. RUNOFF BY pH MODIFYING SOURCES. THESE SOURCES INCLUDE,BUT ARE NOT UNITED TO: Z y
<br /> BULK CEMENT,CEMENT KILN DUST.FLY ASH,NEW CONCRETE WASHING AND CURING -i' 04
<br /> •0
<br /> SUGGESTED BMPs/BMPs TO BE GENERATED: WATERS,WASTE STREAMS GENERATED FROM CONCRETE GRINDING AND SAWING,EXPOSED NOTES 2 L=THE DISTANCE SUCH THAT POINTS '�_`'
<br /> NOT APPUCABLE AGGREGATE PROCESSES,AND CONCRETE PUMPING AND MIXER WASHOUT WATERS 1.Size the Below Inlet Grate Device(BIGD)for the storm water structure A will 1 •'' A&B ARE OF EQUAL ELEVATION
<br /> PERMITTEES SHALL ADJUST THE pH OF STORMWATER IF NECESSARY TO PREVENT
<br /> r s,.i:. VIOLATIONS OF WATER QUAUTY STANDARDS. service. ')'`- ._ A
<br /> 1.THE DUFF LAYER,NATIVE SOIL AND NATURAL VEGETATION SHALL BE RETAINED IN AN 7. PERMITTEES SHALL OBTAIN WRITTEN APPROVAL FROM ECOLOGY PRIOR TO USING 2.The BIGD shall have a built-in high-flow relief system(overflow bypass). - 'Y � B
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<br /> UNDISTURBED STATE TO THE MAXIMUM EXTENT PRACTICABLE. CHEMICAL TREATMENT,OTHER THAN CARBON DIOXIDE OR DRY ICE TO ADJUST pH. 3.The retrieval system must allow removal piths BIGD without spilling the : 2 _ 2
<br /> 2. SEDIMENT CONTROL BMPs SHALL BE CONSTRUCTED AS ONE OF THE FIRST STEPS IN collected material -II _: ':�1
<br /> GRADING. THESE BMPs SHALL BE FUNCTIONAL BEFORE OTHER LAND DISTURBING SUGGESTED BMPs/BMPs TO BE USED: 4.Perform maintenance in accordance with Standard Specification 8-01.3(15). .`'t %.
<br /> si ACTIVITIES TAKE PLACE. BMP C150: MATERIAL ON HAND r T'5 N11. s�.` Z N
<br /> 0 3. PRIOR TO LEAVING THE CONSTRUCTION SITE,STORMWATER RUNOFF FROM DISTURBED
<br /> 1 AREAS SHALL PASS THROUGH AN APPROPRIATE SEDIMENT REMOVAL BMP. RUNOFF FROM 5'MAX 1'SUMP N"c. SI STABILIZED AREAS MAY BE DISCHARGED WITHOUT A SEDIMENT REMOVAL BMP.BUT ELEMENT 610: CONTROL DEWATERING DRAINAGE GRATE N N
<br /> MUST MEET THE FLOW CONTROL PERFORMANCE STANDARD OF ELEMENT/LT. DEWATERING TO TAKE PLACE PRIOR TO PLACEMENT OF GEOTEXTILE MATERIAL ALL TRIM Z W o)m
<br /> DEWATERING WILL BE CONDUCTED IN ACCORDANCE WITH D.O.E STANDARDS.ALL SPACING BETWEEN CHECK DAMSQ I- .a 0
<br /> ‘1•'?
<br /> STORMWATER THAT LEAVES THE PROJECT SITE WILL COMPLY WITH DISCHARGE o a
<br /> V SUGGESTED BMPs/BMPa TO BE USED: GRATE FRAME �������������� >Q n
<br /> w BMP C233: TEMPORARY SILT FENCE REQUIREMENTS. // W &i c n
<br /> FI Fu NT 15: T I a s FI FMFNT 611: MAINTAIN BMPs rOil DETAIL- ROCK CHECK DAM isi
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<br /> 1. EXPOSED AND UNWORKED SOILS SHALL BE STABIUZED BY APPLICATION OF EFFECTIVE 1. INSPECT EROSION CONTROL DEVICES ON A WEEKLY BASIS AND AFTER EACH RUNOFF REF: C.O.E.STD DETAIL 206 c
<br /> pry BMPs THAT PROTECT THE SOIL FROM EROSIVE FORCES OF RAINDROPS.FLOWING WATER, EVENT. MAKE NECESSARY REPAIRS AND MAINTENANCE TO ENSURE CONTINUED SEDIMENT AND DEBRIS >coN 0 o
<br /> in AND WIND. PERFORMANCE OF EROSION AND SEDIMENT CONTROLS. OVERFLOW BYPASS NO SCALE O co m La
<br /> 2. TO PREVENT EROSION,NO SOILS SHALL REMAIN EXPOSED AND UNWORKED FOR MOREal
<br /> CZ THAN THE THE PERIODS SET FORTH BELOW: 2. WHEN SEDIMENT ACCUMULATION IN SEDIMENTATION STRUCTURES,OTHER THAN INLET 0 = N W
<br /> DURING THE WET SEASON(OCTOBER 1 -APRIL 30): 2 DAYS PROTECTION DEVICES,HAS REACHED A POINT ONE-THIRD DEPTH OF SEDIMENT STRUCTURE
<br /> E DURING THE DRY SEASON(MAY 1 -SEPT.30): 7 DAYS OR DEVICE,OR IF FLOW THROUGH THE DEVICE IS RDUCED BY MORE THAN ONE-THIRD D G
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<br /> g THIS STABILIZATION REQUIREMENT APPLIES TO ALL SOILS ON SITE,WHETHER AT FINAL CAPACITY,TINE CONTRACTOR SHALL REMOVE AND REPLACE DISPOSABLE DEVICES OR
<br /> CLEAN AND DISPOSE OF SEDIMENT. 4,,` BELOW INLET GRATE DEVICE w�rua a� O a
<br /> GRADE OR NOT. THESE TIMES MAY BE ADJUSTED BY THE LOCAL PERMITTING AUTHORITY 4 Purr GRAom OR \
<br /> IF IT CAN BE SHOWN THAT SITE CONDITIONS OR THE AVERAGE TIME BETWEEN STORM ' OISOOMosce
<br /> 15 EVENTS JUSTIFIES A DIFFERENT STANDARD. 3. TEMPORARY EROSION AND SEDIMENT CONTROL BMPs SHALL BE REMOVED WITHIN 30 FILTERED
<br /> Tm 3. SOILS SHALL BE STABIUZED AT THE END OF THE SHIFT BEFORE A HOUDAY OR DAYS AFTER FINAL SITE STABIUZATON IS ACHIEVED OR AFTER THE TEMPORARY BMPs ARE WATER a,ear ruc
<br /> 92 WEEKEND IF NEEDED BASED ON THE WEATHER FORECAST. NO LONGER NEEDED. TRAPPED SEDIMENT SHALL BE REMOVED OR STABIUZED ON SITE. wrearn REVISIONS: APPD.
<br /> 4. SOIL STOCKPILES SHALL BE STABIUZED FROM EROSION,PROTECTED WITH SEDIMENT DISTURBED SOILS SHALL BE PERMANENTLY STABIUZED.
<br /> TRAPPING MEASURES,AND WHERE POSSIBLE,BE LOCATED AWAY FROM STORM DRAIN ' ......_\ I i.
<br /> > INLETS,WATERWAYS,AND DRAINAGE CHANNELS.
<br /> o f 5. APPLICABLE BMPs INCLUDE,BUT ARE NOT LIMITED TO: TEMPORARY AND PERMANENT Fl MFNT 617• MANAGE THE PROJECT
<br /> (0 SEEDING,SODDING,MULCHING,PLASTIC COVERING,EROSION CONTROL FABRICS AND 1.PHASING OF CONSTRUCTION: -
<br /> w MATTING.SOIL APPLICATION OF POLYACRYLAMIDE(PAM),THE EARLY APPUCATON OF a)DEVELOPMENT PROJECTS SHALL BE PHASED WERE FEASIBLE IN ORDER TO PREVENT, __
<br /> s GRAVEL BASE ON AREAS TO BE PAVED AND DUST CONTROL SELECT SOIL STABWZATON TO THE MAXIMUM EXTENT PRACTICABLE,THE TRANSPORT OF SEDIMENT FROM THE • scvu un�- I 6 I
<br /> MEASURES SHALL BE APPROPRIATE FOR TIRE TIME OF YEAR,SITE CONDITIONS,ESTIMATED DEVELOPMENT SITE DURING CONSTRUCTION.REVEGETATION OF EXPOSED AREAS AND m444L-mo4
<br /> `
<br /> DURATION OF USE,AND THE POTENTIAL WATER QUALITY IMPACTS. MAINTENANCE OF THAT VEGETATION SHALL BE AN INTEGRAL PART OF THE CLEARING
<br /> 6. REMOVE ALL TESC MEASURES AS SOON AS PRACTICAL AFTER ESTABUSHMENT OF ACTIVITIES FOR ANY PHASE. 0 • 0 I I „
<br /> I UNIFORM GRASS GROWTH OR INSTALLATION OF OTHER PERMANENT STABILIZATION b)CLEARING AND GRADING ACTIVITIES FOR DEVELOPMENTS SHALL BE PERMITTED ONLY IF r�
<br /> MEASURES. REPAIR ANY DAMAGE TO STABIUZED SURFACES AFTER REMOVAL OF TESC CONDUCTED PURSUANT TO AN APPROVED SITE DEVELOPMENT PLAN(e.g.,SUBDIVISION . D ' . 0 ' • D L.
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<br /> 0 MEASURES. APPROVAL)THAT ESTABUSHES APPROVED AREAS OF CLEARING,GRADING,CUTTING AND
<br /> FlWNG.WHEN ESTABLISHING THESE PERMITTEDCLEARING AND GRADING AREAS, U
<br /> SUGGESTED BMPs/BMPs TO BE USED: CONSIDERATION SHOULD BE GIVEN TO MINIMIZING REMOVAL OF EXISTING TREES AND SECTION A-A
<br /> g BMP C120: TEMPORARY AND PERMANENT SEEDING MINIMIZING DISTURBANCE AND COMPACTION OF NATIVE SOILS EXCEPT AS NEEDED FOR SECTION VIEW DATE: APRIL, 2017
<br /> 1 BMP C140: DUST CONTROL BUILDING PURPOSES.THESE PERMITTED CLEARING AND GRADING AREAS AND ANY TWO/GAUGE OTHER AREAS REQUIRED TO PRESERVE CRITICAL OR SENSITIVE AREAS,BUFFERS,NATIVE y,„r;�,�`aaW'r`'"` A DESIGN: JNN
<br /> WIRE MOS
<br /> FI FMFNT 66: PROTECT SI OPFT GROWN PROTECTION EASEMENTS,OR TREE RETENTION AREAS AS MAY BE REQUIRED RETRIEVAL SYSTEM CO,,oam
<br /> § CLX
<br /> 1. DESIGN,CONSTRUCT,AND PHASE CUT AND FILL SLOPES IN A MANNER THAT WILL BY LOCAL JURISDICTIONS,SHALL BE DELINEATED ON THE SITE PLANS AND THE DRAINAGE GRATE (TYP) wswsownes.ew,: Dom '
<br /> MINIMIZE EROSION. APPLICABLE PRACTICES INCLUDE,BUT ARE NOT UNITED TO,REDUCING -RECTANGULAR GRATE SHOWN rvnwu WA. CHECKED: J1D
<br /> DEVELOPMENT SITE. OR EWA. REVISION
<br /> 8 CONTINUOUS LENGTH OF SLOPE WITH TERRACING AND DIVERSIONS,REDUCING SLOPE �
<br /> LSTEEPNESS,AND ROUGHENING SLOPE SURFACES (e.g.,TRACK WALKING). 2.SEASONAL WORK UMITATIONS: - , ' NUMBER:
<br /> 2 OFF-SITE STORMWATER RUN-ON OR GROUNDWATER SHALL BE DIVERTED AWAY FROM FROM OCTOBER 1 THROUGH APRIL 30,CLEARING,GRADING,AND OTHER SOIL DISTURBING ((, r U 'F.-fl
<br /> SLOPES AND DIS7URBD AREAS WITH INTERCEPTOR DIKES,PIPES, AND/OR SWALES. ACTIVITIES SHALL ONLY BE PERMITTED IF SHOWN TO THE SATISFACTION OF THE LOCAL SCALE:
<br /> I
<br /> a OFF-SITE STORMWATER SHOULD BE MANAGED SEPARATELY FROM STORMWATER PERMITTING AUTINaRITY THAT THE TRANSPORT OU SDIMENT FROM THE CONSTRUCTION SITE r ■ .I�GENERATED ON THE SITE. TO RECEIVING WATERS WILL BE PREVENTED THROUGH A COMBINATION OF THE FOLLOWING:3. DO NOT CLEAR AND GRUB SLOPES GREATER THAN 4(HORIZONTAL),1(VERTICAL) a)SITE CONDITIONS INCLUDING EXISTING VEGETATIVE COVERAGE,SLOPE,SOIL TYPE,AND / PROJECT NUMBER:
<br /> UNLESS FURTHER WORK RESULTING IN STABIUZATION OF THE SLOPES TO BE CLEARED AND PROXIMITY TO RECEIVING WATERS; AND
<br /> G GRUBBED IS SCHEDULED. b)UMITATONS ON ACTIVITIES AND THE EXTEND OF DISTURBED AREAS; AND 3 CEMX00000005
<br /> 4. EXCAVATD MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES, c)PROPOSD EROSION AND SDIMENT CONTROL MEASURES.CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS. OVERFLOWBYPASS5. CHECK DAMS SHALL BE PLACED AT REGULAR INTERVALS WITHIN CONSTRUCTED BASED ON THE INFORMATION PROVIDED AND LOCAL WEATHER CONDITIONS,THE PROECT BELOW INLET GRATE DEVICE (lYP) •� i!
<br /> CHANNELS THAT ARE CUT DOWN A SLOPE. ��®N®®�_ DRAWING FII.E:
<br /> LEAD MAY EXPAND OR RESTRICT THE SEASONAL LIMITATION ON SITE DISTURBANCE.THE `. II I I I I I I EC-004-EC-CEMXD005_Div9.dwg
<br /> PROJECT LEAD SHALL TAKE ENFORCEMENT ACTION-SUCH AS NOTICE OF VIOLATION, \ illf
<br /> as SUGGESTED BMPs/BMPs TO BE USED: ADMINISTRATIVE ORDER,PENALTY,OR STOP-WORK ORDER UNDER THE FOLLOWING IR
<br /> 8R, BMP C120: TEMPORARY AND PERMANENT SEEDING CIRCUMSTANCES: I I I A I I I I SHEET NO.
<br /> -IF,DURING THE COURSE OF ANY CONSTRUCTION ACTIVITY OR SOIL DISTURBANCE ISOMETRIC VIEWares.rows LI
<br /> DURING THE SEASONAL LIMITATION PERIOD,SEDIMENT LEAVES THE CONSTRUCTION SITE Li sac U LI U
<br /> CAUSING A VIOLATION OF THE SURFACE WATER QUAUTY STANDARD; OR DETAIL-STORM DRAIN INLET PROTECTION S P4
<br /> -IF CLEARING AND GRADING OMITS OR EROSION AND SEDIMENT CONTROLS MEASURES ELEVATION
<br /> .. SHOWN IN THE APPROVED PLAN ARE NOT MAINTAINED. REF: WSDOT STD PLAN 1-40.20-00 5/1/,2011
<br /> `'- CITY OF EVERETT TEMPORARY SILT FENCE
<br /> go NO SCALE PUBLIC WORKS
<br /> 3° ,,,,,,,t- DEPARTMENT .21 4+ OF 9
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