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<br /> : A PORTIDN OF THE SE 1 /4 OF SECTION 11 , T 28 N , R 4 E, WM
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<br /> � . STORMWATER POLLUTION PREVENTION PLAN (SWPPP):
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<br /> THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING THE EROSION' CONTROL MEASURES ELEMENT 6: PROTECT SLOPES �LEMENT �11: MAINTAIN BMPs �
<br /> SHOWN OR DESCRIBED IN THE CONTRACT DOCUMENTS AND ANY ADDITIONAL MEASURES � O � '
<br /> 1. DESIGN, CONSTRUCT, AND PHASE CUT AND FILL SLOPES IN A MANNER THAT WILL 1. INSPECT EROSION CONTROL DEVICES ON A WEEKLY BASIS AND AFTER EACH RUNOFF (n O
<br /> THAT MAY BE REQUIRED BY THE CONTRACTORS MEANS AND METHODS OF CONSTRUGTION MINIMIZE EROSION. APPLICABLE PRACTICES INCLUDE, BUT ARE NOT LIMITED T0, REDUCING EVENT. MAKE NECESSARY REPAIRS AND MAINTENANCE TO ENSURE CONTINUED Z � Z
<br /> AS NEEDED TO CONTROL EROSION AND S E D I M E N T A T T H E C O N S T R U C T I O N S I T E A N D T O CONTINUOUS LENGTH OF SLOPE WITH TERRACING AND DIVERSIONS, R E D U C I N G S L O P E P E R F O R M A N G E O F E R O S I O N A N D S E D I M E N T C O N T R O L S. �
<br /> PREVENT IOLATION OF SURFACE WATER QUALITY, GROUND WATER QUALITY, OR SEDIMENT
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<br /> , � STEEPNESS, AND ROUGHENING SLOPE SURFACES (e.g., TRACK WALKING).
<br /> � MANAGEMENT STANDARDS. EROS40N CONTROI. MEASURES SHALL BE MAINTAINED 2, OFF-SITE STORMWATER RUN-ON OR GROUNDWATER SHALL BE DIVERTED AWAY FROM 2. WHEN SEDIMENT ACCUMULATION IN SEDIMENTATION STRUCTURES, OTHER THAN INLET "� �
<br /> . THROUGHOUT 7HE COURSE OF CONSTRUCTION AND UNTIL ALL DISTURBED EARTH IS SLOPES AND D�STURBED AREAS WITH INTERCEPTOR DIKES, PIPES, AND/OR SWALES. PROTECTION DEVICES, HAS REACHED A POINT ONE-THIRD DEPTH OF SEDIMENT STRUCTURE Q O O �
<br /> STABILIZED IN FINISH GRADES. OR DEVICE, OR IF FLOW THROUGH THE DEVICE IS REDUCED BY MORE THAN ONE-THIRD I'- � �" z
<br /> OFF-SITE STORMWATER SHOULD BE MANAGED SEPARATELY FRorn sTORMwA-rER DEVELOPMENT DATA:
<br /> GENERATED ON THE SITE. CAPAC�TY, THE CONTRACTOR SHALL REMOVE AND REPLACE DISPOSABLE DEVICES OR SITE ADDRESS W U � � _
<br /> THE FOLLOWING DESCRIBES HOW THE CONSTRUCTION SWPPP ADDRESSES EACH OF THE 12 3. DO NOT CLEAR AND GRUB SLOPES GREATER THAN 4 (HORIZONTAL):1 (VERTICAL) CLEAN AND DISPOSE OF SEDIMENT.
<br /> REQUIRED ELEMENTS. REFER TO THESE PLANS FOR DRAWINGS OF THE PROJECT, VICINITY BE CLEARED AND OWNER APPLICANT: SNOHOMISH COUNTY P.U.D. N0. 1
<br /> TO 1802 75TH STREET SW � � z Q
<br /> MAP, SITE MAP, EROSION AND SEDIMENT C O N T R O L M E A S U R E S, A N D E R O S I O N A N D U N L E S S F U R T H E R W O R K R E S U L T I N G I N S T A B I L I Z A T I O N O F T H E S L O P E S 3. T E M P O R A R Y E R O S I O N A N D S E D I M E N T C O N T R O L B M P s S H A L L B E R E M O V E D W I T H I N 3 0 2 3 2 0 C A L I F O R N I A S T R E E T � �
<br /> GRUBBED IS SCHEDULED. E V E R E T T, W A S H I N G T O N 9 8 2 0 3 U 'w O c�j
<br /> � S E D I M E N T C O N T R O L D E T A I L S. D A Y$ A F T E R F I N A L S I T E S T A B I L I Z A T I O N I S A C H I E V E D O R A F T E R T H E T E M P O R A R Y B M P s A RE EVERETT, WASHINGTON 98201
<br /> 4. EXCAVATED MATERIAL SHALL BE PLACED ON THE UPHILL SIDE OF TRENCHES, N a L O N G E R N E E D E D. T R A P P E D S E D I M E N T S H A L L B E R E M O V E Q O R S T A B I L I Z E D O N S I T E. � �»
<br /> CONSISTENT WITH SAFETY AND SPACE CONSIDERATIONS. (4 2 5� 7 8 3-8 4 6 5 � � V �.
<br /> _ E L E M E N T �1: P R E S E R V E V E G E T A T I O N�M A R K C L E A R I N G L I M I T S D I S T U R B E D S O I L S S H A L L B E P E R M A N E N T L Y S T A B I L.I Z E D. A T T E N T I O N: B E N D A V I S, P.E. W = �-
<br /> , 1. PRIOR TO BEGINNING LAND DISTURBING ACTIVITIES (INCLUDING CLEARING AND GRADING) 5. C H E C K D A M S S H A L L B E P L A C E D A T R E G U L A R I N T E R V A L S W I T H I N C O N S T R U C T E D
<br /> C H A N N E L S T H A T A R E C U T D O W N A S L O P E. E M A I L: B R D A V I S C�S N O P U D.C Q M �„_; � � � �
<br /> C L E A R L Y M A R K A L L C L E A R I N G L I M�T S A N D T R E E S T H A T A R E T O B E P R E S E R V E D W I T H I N T H E E L E M E N T �1 2: M A N A G E T HE P R O J E C T
<br /> CONSTRUCTION AREA AS SHOWN ON THE ORAWINGS. SUGGESTED BMPs/BMPs TO BE USED: L PHASING OF CONSTRUCTION: TAX ACCOUNT NUMBER ENGINEER�SURVEYOR: DAVID EVANS and ASSOCIATES, INC. � O Q � �
<br /> 2. S I L T F E N C E, G E O T E X T I L E E N C A S E D BARRIERS, CONSTRUCTION FENC E, O R A N G E P L A S T I C BMP G120: T E M P O R A R Y A N D P E R M A N E N T S E E D I N G p) D E V EL O P M E N T P R O J E C T S S H A L L B E P H A S ED WHERE FEASIBLE IN ORDER TO PREVENT,
<br /> FENCE, QR OTHER APPROVED MEASURES MAY BE USED TO MARK THE CLEARING LIMITS AT TO THE MAXIMUM EXTENT PRACTICABLE; THE TRANSPORT OF SEQIMENT FROM THE 0 0 3 9 2 2 0 0 0 0 0 3 0 0 1 6 2 Q W. M A R I N E V I E W D R. S U I T E 2 0 0 �
<br /> � � D E V E L O P M E N T S I T E D U R I N G C O N S T R U C T I O N: R E V E G E T A T I O N O F E X P O S E D A R E A S A N D EVERETT, WASHINGTON 98201 � �' O W
<br /> T H E C O N T R A C T O R S O P T I O N. 4 2 5 4 0 5-1 5 0 9 � O
<br /> � 3. T H E D U F F L A Y E R; N A T I V E T OPSOIL, AND NATURAL VEGETATION SHALL BE RETAINED �N MAINTENANCE OF THAT VEGETATION SHALL BE AN INTEGRAL PART OF THE CLEARING � � � , z
<br /> AN UNDISTURBED STATE TO THE MAXIMUM DEGREE PRACTICABLE. E L E M E N T�7: P R O T E C T D R A I N I N L E T S ACT(V(TIES FOR ANY PHASE:
<br /> 1. ALL STORM DRAIN INLETS OPERABLE DURING CONSTRUCTION AND ALL INLETS WITHIN A T T E N T I O N: J O H N N. S M I T H, P.E. �
<br /> ; b) CLEARING AND GRADING ACTIVITIES FOR DEVELOPMENTS SHALL BE PERMITTED ONLY IF EMAIL: JNSC�DEAINC.COM � Z �
<br /> 2 0 0' D O W N S T R E A M O F T H E P R O J E C T S I T E S H A L L B E P R O T E C T E D W I T H C A T C H B A S I N SUBDIVISION
<br /> SUGGESTED BMPs/BMPs TO BE USED: CONDUCTED PURSUANT TO AN APPROVED SITE DEVELOPMENT PLAN (e.g., � rn 7
<br /> . BMR C103: HIGH VISIBILITY PLASTIC FENCE FILTERS SO THAT STORMWATER RUNOFF DOES NOT ENTER THE CONVEYANCE SYSTEM APPROVAL THAT ESTABLISHES APPROVED AREAS OF CLEARING, GRADING, CUTTING AND L
<br /> WITNOUT FIRST BEING FILTERED OR TREATEd TO REMOVE SEDIMENT. CATCH BASIN FILTERS ) `♦♦
<br /> ELEMENT 2• ESTABLISH CONSTRUCTION ACCESS IN THE ROADWAY WILL BE OIL/SEDIMENT FILTERS AND CATCH BASIN FILTERS OUTSIDE FILLING. WHEN ESTABLISHING THESE PERMITTED CLEARING AND GRADING AREAS,
<br /> 1. CONS R CTION VEHICLE ACCESS AND EXIT SHALL BE LIMITED TO ONE ROUTE. REFER OF THE ROADWAY WILL BE SEDIMENT FILTERS. CONSIDERATION SHOULD BE GIVEN TO MINIMIZING REMOVAL OF EXISTING TREES AND Q
<br /> A OF THESE PLANS FOR THE CONSTRUCTION ENTRANCE LOCATION. ALL 2. APPROACH ROADS SHALL BE KEPT CLEAN, SEDIMENT AND STREET WASH WATER MINIMIZING DISTURBANCE AND COMPACTION OF NATIVE SOILS EXCEPT AS NEEDED FOR
<br /> TO SWPP PL N BUILDING PURPOSES. THESE PERMITTED CLEARING AND GRAD.ING AREAS AND ANY �
<br /> ACCESS/EXIT POINTS SNALL BE STABILIZED WITH QUARRY SPALLS, CRUSHED ROCK OR SHALL NOT BE ALLOWED TO ENTER STORM DRAINS WITHOUT PRIOR AND ADEQUATE OTHER AREAS REQUIRED TO PRESERVE CRITICAL OR SENSITIVE AREAS, BUFFERS, NRTIVE
<br /> � OTHER EQUIVALENT BMP, TO MINIMIZE THE TRACKING OF SEDIMENT ONTO PUBLIC ROADS. TREATMENT. GROWTH PROTECTION EAS�MENTS, OR TREE RETENTION AREAS AS MAY BE REQUIRED
<br /> 2. IF THE STABILIZED CONSTRUCTION ENTRANCE IS NOT EFFECTIVE IN PREVENTING 3. INLET PROTECTION DEVICES SHOU�D BE CLEANED OR REMOVED AND REPLACED WHEN gY LOCAL JURISDICTIONS, SHALL BE DELINEATED ON THE SITE PLANS AND THE �
<br /> SEDIMENT FROM BEING TRACKED ONTO PUBLIC ROADS, WHEEL WASH OR TIRE BATHS SEDIMENT. HAS FIl.LED ONE-THIRD OF THE AVAILABLE STORAGE (OR WHEN FILLED WITH DEVELQPMENT SITE.
<br /> SHALL BE LOCATED ON SITE. SIX-INCHES OF SEDIMENT).
<br /> � 3. IF SEDIMENT IS TRACKED OFF SITE, PUBLIC OR PRIVATE ROADS SHALL BE CLEANED 2. SEASONAL WORK LIMITATIONS
<br /> � THOROUGHLY AT THE END OF EACH DAY, OR MORE FREQUENTLY DURWG WET WEATHER. BMPs TO BE USED: FROM OCTQBER 1 THROUGH APRIL 30, CLEARING, GRADING, AND OTHER SOIL DISTURBING
<br /> SEDIMENT SHALL BE REMOVED FROM ROADS BY SHOVELING OR PICKUP SWEEPING AND BMP C220: STORM DRAIN INLET PROTECTION (WSDOT STD PLAN 1-40.20-00) ACTIVITIES SHALL ONLY BE PERMITTED IF SHOWN TO THE SATISFACTION OF TNE LOCAL
<br /> � SHALL BE TRANSPORTED TO A CONTROLLED SEDIMENT DISPOSAL AREA. BMP C233: SILT FENCE
<br /> PERMITTING AUTHORITY THAT THE TRANSPORT OF SEDIMENT FROM THE CONSTRUCTION SITE ' ' �
<br /> 4. STREET WASHING IS ALLOWED ONLY AFTER SEDIMENT IS REMOVED AS DESCRIBED TO RECEIVING WATERS WILL BE PREVENTED THROUGH A COMBINATION OF THE FOLLOWING: '��' � ��
<br /> � ABOVE. STREET WASH WASTEWATER SHALL BE CONTROL�ED BY PUMPING BACK ON SITE ELEMENT #8: STABILIZE CHANNELS AND OUTLETS a) SITE CONDITIONS INCLUDING EXISTING VEGETATIVE COVERAGE, SLOPE, SOIL TYPE, AND �
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<br /> � A NG INTO SYSTEMS TRIBUTARY TO WATERS 1. ALL TEMPORARY ON-SITE CONVEYANCE CHANNELS SHALL BE DESIGNED, CONSTRUCTED ATERS• AND �� � � �
<br /> OR OTHERWISE BE PREVENTED FROM DISCH RGI PROXIMITY TO RECEIVING W ,
<br /> �� . OF THE STATE. AND STABILIZED TO PREVENT EROSION FROM THE EXPECTED PEAK 10 MINUTE VELOCITY OF b) LlMITATIONS ON ACTIVITIES AND THE EXTEND OF DISTURBED AREAS; AND (�
<br /> a
<br /> FLOW FROM A TYPE 1A, 10-YR, 24-HR FREQUENCY STORM FOR THE DEVELOPED '�`�'-" � '� � " 'n p � �
<br /> SUGGESTED BMPs BMPs TO BE USED: CONDITION. ALTERNATIVELY, THE 10-YR, 1-HR FLOW RATE INDICATED BY AN APPROVED c) PROPOSED EROSION 'AND SEDIMENT CONTROL MEASURES.
<br /> / `',, � �
<br /> CONTRACTOR_SHALI. UTIUZE GRAVEL PONO ACCESS ROAD FOR CONSTRUCTION ACCESS CONTINUOUS RUNOFF MODEL, INCREASED BY A FACTOR OF 1.6, MAY BE USED. gASED ON THE INFORMATION PROVIDED AND LOCAL WEATHER CONOITIONS, THE PROJECT �
<br /> AND KEEP PAVED PARKING LOT CLEAN BY FOLLOWING D.O.E. BMP140 DUST CONTROL. 2. STABILIZATION, INCLUDING ARMORING MATERIAL, ADEQUATE TO PREVENT EROSION OF LEAD MAY EXPAND OR RESTRICT THE SEASONAL LIMITATION ON SITE DISTURBANCE. THE ' ' '
<br /> , ' -0UTLETS, ADJACENT STREAM BANKS, SLOPES, AND DOWNSTREAM REACHES SHALL BE PROJECT LEAD SHALL TAKE ENFORCEMENT ACTION - SUCH AS NOTICE OF VIO�ATION, � 6
<br /> E�EMENT,�3: CONTROL FLOW RATES PROVIDED AT THE OUTLETS OF ALL CONVEYANCE SYSTEMS. ADMINISTRATIVE ORDER, PENALTY, OR STOP-WORK ORDER UNDER THE FOLLOWING ���, ,�� ��
<br /> 1. PROPERTIES AND WATERWAYS DOWNSTREAM FROM DEVELOPMENT SITES SHALL BE CIRCUMSTANCES:
<br /> PROTECTED FROM EROSION DUE TO INCREASES IN THE VELOCITY AND PEAK VOLUMETRIC SUGGESTED BMPs/BMPs TO BE USED: - IF, DURING THE COURSE OF ANY CONSTRUCTION ACTIVITY OR SOIL DISTURBANCE /�'�c,, �� 24"
<br /> � FLOW RATE OF.STORMWATER RUNOFF FROM THE PROJECT SITE. NOT APPLICABLE DURING THE SEASONAL LIMITATION PERIOD, SEDIMENT �EAVES THE CONSTRUCTION SITE � � ,�` �
<br /> CAUSING A VIOLATION OF THE SURFACE WATER QUALITY STANDARO; OR
<br /> SUGGESTED BMPs/BMPs TO BE USED: - IF CLEARING AND GRADING �IMITS OR EROSION AND SEDIMENT CONTROLS MEASURES
<br /> NOT APPIiCABLE ELEMENT �9: CONTROL POLLUTANTS SHOWN IN THE APPROVED PLAN ARE NOT MAINTAINED.
<br /> . 1."ALL POLLUTANTS, INCLUDING WASTE MATERIALS AND DEMOLITION DEBRIS, THAT 2"-4" ROCK
<br /> ELEMENT �4: INSTALL SEDIMENT CONTROLS OCCUR ONSITE SHALL BE HANDLED AND DISPOSED OF IN A MANNER THAT DOES NOT THE FOLLOWING ACTIVITIES ARE EXEMPT FROM THE SEASONAL CLEARING. AND GRADING V �
<br /> , 1. THE DUFF tAYER, NATIVE SOIL, AND NATURAL VEGETATION SHALL BE RETAINED IN AN CAUSE CONTAMtNATION OF STORMWATER. LIMITATIONS:
<br /> � 2. COVER CONTAINMENT, AND PROTECTION FR4M VANDALISM SHALL BE PROVIDED FOR Z N
<br /> UNDISTURBED STATE TO THE MAX{MUM EXTENT PRACTICABLE. � a) ROUTINE MAINTENANCE AND NECESSARY REPAIR OF EROSION AND SEDIMENT CONTROL FLOW 21 � ?� 24" �
<br /> 2. SEDIMENT CONTROL BMPs SHALL BE CONSTRUCTED AS ONE OF THE FIRST STEPS iN ALL CHEMICALS, LIQUID PRODUCTS, PETROLEUM PRODUCTS, AND OTHER MATERIALS THAT _ N N � �
<br /> GRADING. THESE BMPs SHALL BE FUNCTIONAL BEFORE OTHER LAND DISTURBING HAVE THE POTENTIAL TO POSE A THREAT TO HUMAN HEALTH OR THE ENVIRONMENT. BMPS� I
<br /> b) ROUTINE MAINTENANCE OF PUBLIC FACILITIES OR EXISTING UTILITY STRUCTURES THAT ' Z W � � �
<br /> ACTiVITIES TAKE PLACE. ON-SITE FUELING TANKS SHALL INCLUDE SECONDARY CONTAINMENT. �! Q � > � d:
<br /> 3. PRIOR TO LEAVING THE CONSTRUCTION SITE; STORMWATER RUNOFF FROM DISTURBED 3. MAINTENANCE, FUELING, AND REPAtR OF HEAVY EQUIPMENT AND VEHICLES SHALL BE DO NOT EXPOSE THE SOIL OR RESULT IN THE REMOVAL OF THE VEGETATIVE COVER TO �
<br /> AREAS SHALL PAS
<br /> S THROUGN AN APPROPRIATE SEDIMENT REMOVAL BMP. RUNOFF FROM CONDUCTED USING SPILL PREVENTION AND CONTROL MEASURES. CONTAMINATED SOIL; AND �� � a � � �
<br /> FULL STABILIZED AREAS MAY BE DISCHARGED WITHOUT A SEDIMENT REMOVAL BMP, BUT SURFACES SHALL BE CLEANED IMMEDIATELY FOLLOWING ANY SPILL INCIDENT. c) ACTIVfTiES WHERE THERE IS ONE HUNDRED PERCENT INFILTRATION OF SURFACE WATER ROCK CHECK DAM SECTIONS W U � s �ci
<br /> MUST MEET THE FLOW CONTRO� PERFORMANCE STANDARD OF ELEMENT #3. 4. W H E E L W A S H O R T I R E B A T H W A S T E W A T E R S H A L L B E D I S C H A R G E D T 0 A S E P A R A T E R U N O F F W I T H I N T H E S I T E I N A P P R O V E D A N D I N STALLED EROSION AND SEDIMENT � > � �
<br /> � ON-SITE TREATMENT SYSTEM OR TO THE SANITARY SEWER WITH LOCAL SEWER DISTRICT CONTROL FACILITIES. �
<br /> SUGGESTED BMPs/BMPs TO BE USED:
<br /> APPROVAL. � � � � o
<br /> � BMP C220: STORM DRAIN INLET PROTECTION (WSDOT I-40.20-00) 5. APPLICATION OF FERTILIZERS AND PESTICIDES, SHALL BE CONDUCTED IN A MANNER 3. COORDINATE WITH UTILITIES AND OTHER CONTRACTORS DETAIL - ROCK CHECK DAM a � � a�
<br /> AND AT APPLIGATION RATES THAT WILL NOT RESULT IN.LOSS OF CHEMICAL TO THE PRIMARY PROJECT PROPONENT SNALL EVALUATE, WITH INPUT FROM UTILITIES AND � �-
<br /> BMP C233: TEMPORARY SILT FENCE STORMWATER RUNOFF. MANUFACTURERS' LABEL REQUIREMENTS FOR APPLICATION RATES OTHER CONTRACTORS, THE STORMWATER MANAGEMENT REQUIREMENTS FOR THE ENTIRE � Q o w
<br /> , B M P C 2 0 7; C H E C K D A M ALL BE FOLLOWED. P R O J E G T, I N C L U D I N G T H E U T I L I T I E S, W H E N P R E P A R I N G T H E C O N S T R U C T I O N S W P P P. N O S C A L E O Z c�
<br /> AND PROCEDURES SH
<br /> '� • ELEMENT 5: STABILIZE SOILS 6: ..BMPs SHALL BE USED TO PREVENT OR TREAT CONTAMINATION OF STORMWATER Q a �
<br /> . 1. EXPO ED AND UNWORKED SOILS SHALL BE STABILIZED BY APPLICATION OF EFFECT{VE RUNOFF BY pH MODIFYING SOURCES. THESE SOURCES INCLUDE, BUT ARE NOT LIMITED T0: 4. INSPECTION AND MONITORING: �
<br /> BMPs THAT PROTECT THE SOIL FORM EROSIVE FORCES QF RAINDROPS. FLOWING WATER, BULK CEMENT, CEMENT KILN DUST, FLY ASH, NEW CONCRETE WASHWG AND CURING O
<br /> WATERS, WASTE STREAMS GENERATED FROM CONCRETE GRINDING AND SAWING, EXPOSED SITE INSPECTION SHALL 8E CONDUCTED BY A PERSON WHO IS KNOWLEDGEABLE IN THE �
<br /> AND WIND. RE AGGREGATE PROCESSES, AND CONCRETE Pl1MPING AND MIXER WASHOUT WATERS. : PRINCIPLES AND PRACTICES OF EROSION AND SEDIMENT CON.TROL AT LEAST ONCE
<br /> 2. TO PREVENT EROSION, N0 601LS SHALL REMAIN EXPOSED AND UNWORKED FOR MO PERMITTEES SHALL ADJUST THE pH OF STORMWATER IF NECESSARY TO PREVENT EVERY CALENDAR WEEK AND WITHIN 24 HOURS OF ANY RAINFALL EVENT. THIS PERSON
<br /> THAN THE TIME PERIODS SET FORTH BELOW: VIOLATIONS OF WATER QUALITY STANDARDS. HAS THE $KILLS T0:
<br /> DURING THE WET SEASON (OCTOBER 1 - APRIL 30): 2 DAYS � REVISIONS: APPD.
<br /> 7. PERMITTEES SHALL OBTAIN WRITTEN ARPROVAL FROM ECOLOGY PRIOR TO USING a) ASSESS THE SITE CONDITIONS AND CONSTRUCTION ACTIVITIES THAT COULD IMPACT THE °'
<br /> � DURWG 'THE DRY SEASON (MAY 1 - SERT. 30): 7 DAYS CHEMICAL TREATMENT, OTHER THAN CARBON DIOXIDE OR DRY �CE TO ADJUST pH. QUALITY OF STORMWATER, AND �
<br /> � THIS STABILIZATION REQUIREMENT APPLIES T0 ALL SOILS ON SITE, WHETHER AT FINAL b) ASSESS THE EFFECTIVENESS OF EROSION AND SEDIMENT CONTROL MEASURES USED TO -RETR�E�A� o
<br /> GRADE OR NOT. THESE TIMES MAY BE ADJUSTED BY THE LOCAL PERMITTING AUTHORITY - oRninu�cecRnrE svsTEMcrrP.� o
<br /> SUGGESTED BMPs/BMPs TO BE USED: CONTROL THE QUALITY OF STORMWATER DISCHARGES. -RecrnNcuuv3 0
<br /> IF IT CAN BE SHOWN THAT SITE CONDITIONS OR THE AVERAGE TIME BETWEEN STORM cw+resHowN -� o
<br /> _
<br /> � BMP C150: MATERIAL ON HAND _ ° �;..,. �
<br /> EVENTS JUSTIFIES A DIFFERENT STANDARD. �
<br /> 3. SOILS SHALL BE STABILIZED AT THE END OF THE SHIFT BEFORE A HOLIDAY OR IF INSPECTION AND/OR WATER MONITORING OF SITE RUNOFF REVEALS THAT THE BMPs , � '"�� �
<br /> � WEEKEND IF NEEDED BASED ON THE WEATHER FORECAST. ELEMENT �10: CONTROL DEWATERING IDENTIFIED IN THE CONSTRUCTION SWPPP ARE INADEQUATE, THE CONTRACTOR SHALL �� �
<br /> 4. SOIL STOCKPILES SHALL BE STABILIZED FROM EROSION, PROTECTED WITH SEDIMENT N0 DEWATERING IS PROPOSED OR ANTICIPATED FOR THIS PROJECT, BUT IF DEWATERWG IMMEDIATELY ADD BMPs TO THE SWPPP AS NECESSARY. �
<br /> OF TRENCHES AND/OR EXCAVATIONS IS NEEDED IT WILL 8E CONDUCTED IN �
<br /> '� AND WHERE POSSIBLE, BE LOCATED AWAY FROM STORM DRAIN ' �
<br /> " TRAPPING MEASURES, ACCORDANCE WITH D.O.E STANDARDS. A�L STORMWATER THAT LEAVES THE PROJECT
<br /> INLETS, WATERWAYS, AND DRAINAGE CHANNELS. SITE WILL COMPLY WITH DISCHARGE REQUIREMENTS. U
<br /> 5. APPUCABLE $MPs INCLUDE, BUT ARE NOT LIMITED T0: TEMPORARY AND PERMANENT : over��owsvPnss�rra.> y
<br /> SEEDING, SODDING, MULCHING, PLASTIC COVERWG, EROSION CONTROL FABRICS AND ee�owiN�eT
<br /> GRATE DEVICE o
<br /> MATTING, SOIL APPLICAT{ON OF POLYACRY�AMIDE (PAM); THE EARLY APPLICATION OF a
<br /> GRAVEL BASE ON AREAS TO BE PAVED AND DUST .CONTROL. SELECT SOIL STABILIZATION � , c
<br /> MEASURES SHALL BE APPROPRIATE FOR THE TIME OF YEAR, SITE CONDITIONS, ESTIMATED �
<br /> � DURATION OF USE, AND THE POTENTIAL WATER QUALITY IMPACTS. 5'"'A" = DATE: JUNE, 2015
<br /> o��NA�EG�n� � TR�M � DESIGN: JNS
<br /> � 6. REMOVE ALL TESC MEASURES AS SOON .AS PRACTICAL AFTER ESTABLISHMENT OF
<br /> UNIFORM GRASS GROWTH OR INSTALLATION OF OTHER PERMANENT STABILIZATION _ �
<br /> DA AGE TO STABILIZED SURFACES AFTER REMOVAL OF TESC c`u`�F'u`"'E � DRAWN: BJN
<br /> MEASURES. REPAIR ANY M �
<br /> ' P - o"a o CHECKED:
<br /> MEASURES. . ° . � REVISION
<br /> ' SUGGESTED BMPs/BMPs TO BE USED: seoiM�Ta,oesRis .
<br />. ' - � �� . �. � � � . . . . . . . . . . . . . � 4 � � OVERFLOW BYPASS � U NUMBER� � � �
<br /> �� BMP C120: TEMPORARY AND PERMANENT SEEDING . � 1 ° i
<br /> BMP C140: DUST CONTROL . N i Z
<br /> . . . . . . . . . . . . . . - . - � . � . � � � . . . . . .° P } '�-� BELOW INLET. . . .= SCALE: I"-JO'. .
<br /> . . . . . . � � . � . . . . � . . . . . . . . . . . . . . . . . . . . . � . o GRATE DEVICE N .
<br /> . . . . . . . . . �.� � � � . � . . . . . . . . . . /.
<br /> � �. � . . � - - . � . . � � . . . . � :;. . . � . . � . . . . . . . . � . . - . . � . - � . . . . � . . - �. . � . . � . . � . . . . . . . . . . . . . . FILTERED � . . . . .� . . . . . .
<br /> WATER o PROJECT NUMBER:
<br /> 0
<br /> �
<br /> � SPUD00000109
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<br /> • D o. 'Q. o _
<br /> . o . > , o . o DRAWING FILE:
<br /> D ' p ' p ' ' p D j
<br /> �; ecEM001 SPUD00000109
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