1726 100TH ST SW 2022 Plans 2025-11-07 (2)

SECTION 23,TOWNSHIP 28 NORTH,RANGE 04 EAST,W.M.,SNOHOMISH COUNTY,WA EROSION,SEDIMENTATION AND WATER QUALITY SITE INSPECTIONS PRIOR TO ANY SHE DEVELOPMENT WORK TAKING PLACE,A PRE CONSTRUCTION MEETING WM THE CONTRACTOR,OWNER,CESCL,AND SITE GRADING AND SWPP NOTES PERMANENT COVER BMP HYDROSEEDING GENERAL NOTES CITY INSPECTOR SHALL BE HELD. 1. EROSION AND SEDIMENTATION CONTROL SHALL COMPLY WITH THE MINIMUM REOUIREMENTS OF THE CITY. CONSTRUCTION ACCEPTANCE WILL BE SUBJECT TO WELL ESTABLISHED GROUND COVER THAT FULFILLS THE DEPARTMENT OF ECOLOGY REQUIRES THAT LAND DISTURBANCE CONSTRUCTON PROJECTS ONE ACRE OR LARGER RETAIN A CESCL NONCOMPLIANCE{NTH THE EROSION CONTROL REQUIREMENTS WATER QUALITY REQUIREMENTS AND CLEARING TO ENSURE THAT THE PROJECT IS IN COMPLIANCE W1M THE CURRENT EROSION,SEDIMENTARON AND WATER QUALITY STANDARDS LIMITS WOLARONS MAY RESULT IN RE✓OCA77ON OF PROJECT PERMITS, PLAN APPROVAL AND BOND 1 THE REQUIREMENT OF THE APPROVED CON57RUCRON PLANS AND THE CITY. FOR EMERGENCY PURPOSED,ME CESCL CONTACT PER FOR THIS PROJECT IS ELDEN D*CALL,(425)903-I399. FORECLOSURES 2 ALL LAND DISTURBANCE AREAS SUCH AS DETENRON FACILITIES,ROADWAY BACK-SLOPES,ETC.SHALL 2. THE STORMWATER POLURON PREVENTION/SWPP)BMPS SHALL BE CONSTRUCTED PRIOR TO ANY LAND BE SEEDED WIN A PERENNIAL GROUND COVER GRASS TO MINIMIZE EROSION GRASS SEEDING WILL BE DISTURBANCE OR EX If LAND CLEARING IN ACCORDANCE WIN THE APPROVED TARGETED PLAN.THESE DONE USING AN APPROVED HYDROSEEDER OR AS OTHERWISE APPROVED BY THE CITY. ON LAND DISTURBANCE CONSTRUCTION PROJECTS OF ONE ACRE OR LARGER THE CESCL IS RESPONSIBLE FOR: FACILITIES MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION AND LANDSCAPING IS COMPLETED A. INSPECTING THE CONSTRUCTION SITE TO ENSURE THAT ALL CONSTRUCTION SWPP MEASURES ARE FUNCTIONING AS INTENDED. AND POTENTIAL FOR ON-SITE EROSION HAS PASSED.SEDIMENT LADEN WATERS SHALL NOT ENTER THE 3. PREPARATION OF SURFACE: ALL AREAS TO BE SEEDED SHALL BE CLARVATED TO THE SANSFACORN B. ALLOCATING RESOURCES TO REPAIR ALL EROSION CONTROL STRUCTURES THAT ARE IN NEED OF MAINTENANCE NATURAL DRAINAGE SYSTEM. OF THE CITY INSPECTOR THIS MAY BE ACCOMPLISHED BY DISCING,RAKING,HARROWING OR OTHER C MONITORING WATER QUALITY FOR ANY STORM DRAINAGE THAT LEAVES THE SITE. ACCEPTABLE MEANS. D. AND HAVE THE AUTHORITY TO STOP AND/OR REDIRECT CONSTRUCTION ACRNRES DEEMED NECESSARY TO PROTECT THE 3 ME DEVELOPER/CESCL IS RESPONSIBLE FOR ME WATER QUALITY AS DETERMINED BY THE MONITORING ENVIRONMENT. 9.CONTROL POLLUTANTS PROGRAM,ESTABLISHED BY ME ENGINEER. THE PROJECT ENGNEER'S/CESCL NAME AND PHONE NUMBER 4 IMMEDIATELY FOLLOWING FINISH GRADING PERMANENT VEGETATION(CONSISTING OF RAPID,PERSISTENT ALL POLLUTANTS;NaVOViG WASTE MATERIAL,FfiRTVIEfiRS/CHSNICALS,ON-SITE FUELING TANXS AND DEMOLITION DEBRIS ARE MAC ENGINEERING,LLC 0(425)903-1399. AND LEGUME)WILL IN APPLIED.(MINIMUM ER PER ACRE).THIS IS TO INCLUDE ME RAPID, FOL PERSISTENT ENT SHOULD BMP PERFORMANCE GOALS NOT BE ACHIEVED, ME ONLY CONSNUCVW ACVVIRES THAT SHALL BE ALLOWED ARE ME SHALL BE HANDLED AND DISPOSED OF IN A MANNER THAT DOES NOT CONTAMINATE STORMWATER. 4. ALL SITE WORK MUST COMPLY TO CHAPTER 18 OF THE INTERNATONAL BUILDING CODE AND CITY PERENNIAL RYE,ADZ RED FESCUE,10%WHITE DUTCH CLOVER,IOR COLONIAL BENTGRASS.HYDROSEED REPAIR OF EXISTING EROSION CONTROL STRUCTURES,INSTALLATION OF ADDITIONAL BMP'S TO MINIMIZE THE TRANSPORT OF SEDIMENT BMP'a: HANDLING CONCRETE DEVELOPMENT CODE(LATEST EDITIONS). REQUIRED. OFFSHE,OR THOSE ACRWAES THAT DO NOT DISTURB EXPOSED EARTH AND DO NOT HAVE THE P07ENRAL TO GENERATE ADDIRONAL C152 CONCRETE AND SURFACE POLLUTION PREVENTION SEDIMENT 5 ALL LAND DISTURBANCE WORK SHALL BE PERFORMED IN ACCORDANCE WITH CITY STANDARDS. 5. FERTLIZER:SHALL BE APPLIED AT 400E PER ACRE OF 10-20-20(10 lb.PER 1,TOO SQUARE FEET)OR CIO MATERIAL DELIVERY, CONTAINMENT EQUIVALENT.STORAGE AND THE THIRTEEN ELEMENTS OFA CONSTRUCTION SWPPP C154 WASHOUT AREA 6. IF CUT AND FILL SLOPES EXCEED A MAXIMUM OF TWO FEET HORIZONTAL TO ONE FOOT VERTICAL,A ROCK C250 CONSTRUCRION STORMWATER CHEMICAL TREATMENT OR CONCRETE RETAINING WALL MAY BE REQUIRED.ALL ROCK RETAINING WALLS GREATER THAN FOUR(4) ALL NEW DEVELOPMENT AND REDEVELOPMENT PROJECTS WILL COMPLY WITH THE RIIPPP ELEMENTS HIGH LERM BELOW. C251 CONSTRUCTION STORMWANR FILTRATION FEET IN HEIGHT ARE TO FOLLOW CITY SPECIFICATIONS AND TO BE DESIGNED AND CERPRED BY A CIVIL FOR ADDITIONAL INFORMATON TO THE RELEVANT BMP,INDICATED BELOW REFER TO THE STORMWATER MANAGEMENT MANUAL FOR C252 TREATING AND DISPOSING OF HIGH PH WATER ENGINEER EXPERIENCED IN SOILS MECHANICS.ALL WALLS EXCEEDING 30"HIGH SHALL HAVE A 4'HIGH POTENTIAL POLLUTANTS WESTERN WASHINGTON(2019),VOLUME IL CHAPTER J.THE ADDITIONAL IDENTIFIED BMP's ARE PROWLED FOR THE CONVENIENCE OF THE CHAIN LINK FENCE ALONG TOP. CONTRACTOR OR CESCL SHOULD SITE CONDITIONS CHANCE THUS REQUIRING USE ON ALTERNAPVE BMP MEASURES 10.CONTROL DEWATERING. THERE ARE THREE TYPES OF POTENTIAL POLLUTANTS THAT THIS SABRE IS INTENDED TO ADDRESS CLEAN,NON-TURBID DE-WATERING AMIER CAN BE DISCHARGED TO SYSTEMS TRIBUTARY TO OR DIRECTLY INTO SURFACE WATERS 7 STOCKPILES ARE TO BE LOCATED SUCH THAT SEDIMENT WILL NOT LEAVE SITE.TEMPORARY COVER IBMP's) 1.MARK CLEARING LIMITS' OF THE STATE PROWLED THE DE-WAIERING FLOW DOES NOT CAUSE EROSION OR FLOODING TO RECEIVING WATERS.HIGHLY TURBID OR SHALL CONSIST OF HYDROSEEDING MULCHING OR COVERING DISTURBED AREAS AND STOCK PILESS WITH L HAZARDOUS CHEMICALS LAND DISTURIUNG ACTIMIRS ARE DELINEATED AND QUANTIFIED N THE SWPPP NARRATIVE AND SHIP PLANS PRIOR TO CONTAMINATED DE-WATERING WATER SHALL BE HANDLED SEPARATELY FROM STORMWATER. PLASTIC SHEETING. 2 PETROLEUM PRODUCTS BEGINNING LAND DISTURBING ACTIVITIES WMRN THE CONSTRUCTION AREA TIE CLEARING LIMITS ARE INDICATED ON TIE 8. STRUCTURAL BACKFILL AND COMPACTOR OF VAULT,ROCKERY,RETAINING WALL FOOTINGS AND WALLS,AND J. SEDIMENT SWPPP SHEET WILL BE DELINEATED.FURTHERMORE,CLEARING AND GRADING WILL BE WILED TO ONLY AREAS THAT NEED BMP'S.' C203 WATER BARS ROADWAY TRENCH RESTORATION SHALL BE MONITORED, INSPECTED, AND COMPACTION TESTED BY A TO BE DISTURBED FOR GRADING,PLACING OR STOCK PILING FILL AND TO PRESERVE AS MUCH NATURAL VEGETATION AND C236 VEGETATIVE FILTRATION LICENSED GE07ECHNICAL ENGINEER FIELD DENSITY TESTS SHALL INDICATE A MINIMUM COMPACTION OF 95% REASONABLE CARE AND DISCRETION SHALL BE EXERCISED TO PREVENT DAMAGING THE ENVIRONMENT 771E DUFF LAYER AS POSSIBLE. OF MAXIMUM DENSITY DETERMINED IN ACCORDANCE WITH ASTM D-1557-70 (MODIFIED PROCTOR). THROUGH A RELEASE OF ANY OF THE THREE TYPES OF POLLUTION THIS SLOPE IS 70 BE CONSIDERED A 11.MAINTAIN BMP,: COMPACTOR TEST RESULTS TO BE SUBMITTED TO CITY WITH AS-BUILT DRAWINGS. GUIDE, AND REPRESENTS ONLY THE MINIMUM STANDARD OF CARE TO BE PRACTICED DURING THE BMPS: CI01 PR95ERWNG NATURAL VEGETATION THE CONTRACTOR WILL PROVIDE NSPEC77ON AND MAINTENANCE OF 171E CONSTRUCTED BMP's AND WILL COMPLY WITH CONSTRUCTION PHASE OF THIS PROJECT.A CERTIFIED EROSION AND SEDIMENT CONTROL LEAD(CESCL)SHALL C102 BUFFER ZONES THEIR REMOVAL AT THE END OF THE PROJECT. 9. ME SURFACE OF ALL SLOPES SHALL BE COMPACTED.THIS MAY BE ACCOMPLISHED BY OVER-BUILDING THE BE RESPONSIBLE FOR EVALUATING THE CONDITIONS AND POLLUTION P07EMPAL ON THE PROJECT 511E AT ALL C103 HIGH Vf M17T PLASTIC OR METAL FENCE SLOPES THEN CUTTING BACK TO FINAL GRADES OR BY RUNNING THE COMPACTOR OVER THE SLOPE AS TIMES AND DETERMINING WHAT ADDITIONAL MEASURES NEED TO BE ENACTED TO PROTECT ME ENVIRONMENT. BMP'S.' C150 MATERIALS ON BAND EACH FILL LIFT IS BEING PLACED.ALL SLOPES SHALL BE COMPACTED BY THE END OF EACH WORKING DAY. THIS MAY INCLUDE STOPPING CONSTRUCTION UNRL CONDITIONS CHANCE SUCH THAT THE DANGER TO THE 2.ESTABLISH CONSTRUCTION ACCESS: CIO CERTIFIED EROSION AND SEDIMENT CONTROL LEAD 10, EARTH QUANTITIES CUTS&FILLS SHOWN ON PLANS ARE ESTIMATES ONLY AND ARE NOT ADJUSTED FOR ENVIRONMENT HAS BEEN MINIMIZED. ALOffiS TO 777E CONSTRUCTION SITE SHALL SHALL BE LIMITED TO ONE ROUTE IF POSSIBLE.STREET L7E4NMG SHALL BE EXPANSION OR COMPACTION THE CONTRACTORIS RESPONSIBLE FOR VERIFICATION OF ACTUAL OUANRRES REQUIRED WREN SEDIMENT 1S TRACKED OFF SITE. 12.MANAGE THE PROJECT.' AS REQUIRED. THE PROJECT SHALL BE MANAGED ON COOPERATIVE EFFORT BY TEE PROJECT MANAGER,CONTRACTOR,ENGINERR,AND SEDIMENT BMP's: C106 STABILIZED CONSTRUCTION ENTRANCE THE CITY INSPECTOR.SWPPP's SHALL BE MODIFIED WHENEVER THERE IS A CHANGE AT THE CONSTRUCTION SITE THAT 71. AREAS TO RECEIVE FILL SHALL BE PREPARED BY REMOVING UNSUITABLE MATERIAL SUCH AS CONCRETE I0 WHEEL WASH HAS OR COULD HAVE A SIGNIFICANT RMRT ON THE DISCHARGE OF POLLUTANTS TO WATERS OF TEE STATE. DURING TO BE CONSIDERED ME MINIMUM PROTECTINN MEASURES SLABS,TREE STUMPS,BRUSH,AND TRASH. RELEASE OF SEDIMENT i ME ENVIRONMENT SHALL BE PREVENTED AT ALL TIMES THE FOLLOWING LIMPS ARE CI07 CONSTRUCTION ROAD/PARKING AREA STABILIZATINJ THE CONSTRUCTION PROCESS E UNFORESEEN ISSUES ARISE THAT CANNOT BE RESOLVED ON 9711 CONSTRUCTION TO : 11. AMV17T(OTHER IRAN SHIPP MAINTENANCE)SHALL BE HALTED AND THE CITY INSPECTOR AND THE PROJECT ENGINEER FILL MATERIALS SHALL BE AS SPECIFIED IN GENERAL NOTE 1.,UNLESS SHOWN OMERMSE ON PLANS. J.CONTROL FLOW RATES ARE TO BE CONTACTED AND INFORMED OF THE SITUATION 13. LAND DISTURBANCE FROM OCTOBER 1st TO MARCH 31st IS NOT PERMITTED WITHOUT SPECIFIC APPROVAL. L THE DISTRIBUTION/TRACKING TR MUONSEDIMENT ONTO ROADS FROM CONSTRUCTION EWIPMENT/VEHILEN SHALL PROPERTIES AND WATERWAYS DOWNSTREAM FROM THE PROJECT SITE SHALL BE PROTECTED 0 FROM SOIL EROSION WE TO BE PREVENTED. THE COUPLE FABRIC SITE SHALL BE ACCESSED VIA A ROCK TENDED IF NJ ENTRANCE, INCREASES IN THE VOLUMETRIC FLOW RATE OF STORMWABR RUNOFF FROM THE PROJECT SITE UNDERLAIN BY A GTO-TEXTILE FABRIC. AR NGNS AND EQUIPMENT M ENTRANCE STAGING SHALL BE EXTENDED IF NECESSARY TO BMP'S.' C150 MATERIALS ON BAND ib. STABILIZING EXPOSED SOIL THE CONTRACTOR SHALL STABILIZE DENUDED AREAS AND SOIL STOCK PILES AS PROVIDE ACCESS TO THE EMPLOYEE PARKING AND EQUIPMENT STAGING AREAS PRIOR TO LEAVING ME BMPS: C203 WATER BARS C160 CERTIFIED EROSION AND SEDIMENT CONTROL LEAD FOLLOWS' CONSTRUCTION SITE,CONSTRUCTION EQUIPMENT/VEHICLES SHALL BE INSPECTED FOR MUD/SEDIMENT AND ALL C207 CHECK DAMS C162 SCHROULINC P. IF PERMITTED,FROM OCBODIES 1 TO APRIL SO.NO SOIL MAY REMAIN EXPOSED FOR MORE THAN 2 DAYS WHEELS AND SURFACES ARE TO BE BRUSHED/CLEANED/WASHED AS NECESSARY PRIOR TO LEAVING THE C209 OUTLET PR07ECTON b. FROM MAY i TO SEPTEMBER 3Q NO SOIL MAY REMAIN EXPOSED FOR MORE THAN 7 DAYS CONSTRUCTOR SITE.ADDITIONALLY, THE EXISTING PAVEMENT OF ROAD SYSTEMS ADJACENT TO THE PROJECT C235 WATTLES 13. PROTECT ON-SITE BMPS.' c. SOIL STOCKPILES SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT RETENTION BMP's WITHIN 24 HOURS ATE WLL BE SWEPT DAILY WHEN SEDIMENT IS TRACKED OFF SITE C240 SEDIMENT TRAP ON-SITE ST'OEMIIATER MANAGEMENT BIE'S USED FOR RUNOFF FROM ROOPS AND OTHER HARD SURFACES INCLUDE:FULL OF FORMA RION. C241 TEMPORARY SEDIMENT POND DISPERSION ROOT DOWNSPOUT FULL INFILTRATION OR DISPERSION SYSTEMS,PERFORATED STUBOUT CONNECTIONS.RAN 2 COVER MATERIALS(LE STRAW, MULCH OR PLASTIC SHEETING)MALL BE STORED ON ATE IN SUFFICIENT GARDENS, BIORETENTTON SYSTEMS, PERMEABLE PAVEMENT, GRAFT FLOW DISPERSION AND CONCENTRATED FLOW 15. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED WITHIN 30 DAYS AFTER OUANRRES SUCH THAT ALL PORTIONS OF EXPOSED EARTH CAN BE COMPLETELY COVERED TO PREVENT EROSION. 4.INSTALL SEDIMENT CONTROLS DISPERSION THE AREAS ON TIE SITE TO BE USED FOR THESE BMPS SHALL BE PROTECTED FROM SILTATION AND FINAL FINAL ATE STABILIZA VON IS ACHIEVED OR AFTER THE TEMPORARY BMP'S ARE NO LONGER NEEDED. RUNOFF FROM THE AREA THAT IS PROPOSED TO BE DISTURBED SHALL BE INTERCEPTED BY INTERCEPTOR IF THERE IS RUNOFF PROM THE CONSTRUCTION SITE,SEDIMENT SHALL BE REMOVED FROM THE RUNOFF. COMPACTION DURING CONSTRUCTION BY SEQUENCING TIE CONSTRUCTION IN A FASHION 70 INSTALL THESE BMPS AT THE TRAPPED SEDIMENT SHALL BE REMOVED OR STABILIZED ON ATE.DISTURBED SOIL AREAS RESULTING FROM CHANNELS,AND CONVEYED TO A TEMPORARY SEDIMENTAnQN POND.DISCHARGE FROM THE TEMPORARY POND LATTER PART OF 77E CONSTRUCTION GRADING OPERATIONS,BY EXCLUDING EQUIPMENT FROM THE RIPS AND THE REMOVAL SHALL BE PERMANENTLY STABILIZED. WILL BE THROUGH A GRAVEL FILTER CONE TO THE EXISTING STORM SYSTEM. BMPS: C231 BRUSH BARRIER ASSOCIATED ARRAS,AND BY USING THE EROSION AND SEDIMENTATION CONTROL BMPS LISTED BELOW. ADDITIONAL C231 G17A VEL FILTER BERM REQUIREMENTS FOR PROTEC77NG THESE BMPS DURING THE CONSTRUCTION PROCESS, TESTING FUNCTIONALITY,AND J. THE PLANNED CONSTRUCTION ACRNRES SHALL BE EVALUATED ON A DAILY BASIS TAKING INTO CONSIDERATION C233 SET FENCE RESTORING FUNCTIONALFFY,AND RESTORING FUNCIONALTTY ARE NEEDED AT 77LR FINAL STAGE OF THE CONSTRUCTION WET WEATHER GRADING NOTES THE LATEST WEATHER FORECAST. THE WEATHER FORECAST SHALL DICTATE WHETHER LARGE-SCALE EARTH C234 VEGETATED STRIP PROCESS AND ARE INCLUDED IN THE SPECIFIC BMP SECTIONS IN VALUNE V OF THIS MANUAL MOVING OPERATORS SHALL COMMENCE OR CONRNUE.IF PRECIPITATION OCCURS DURING CONSTRUCTION ACRWTY, C235 STRAW WA TILES i. THE CONSNUCTIW SEQUENCE MALL BE MODIFIED TO MINIMIZE THE AREA OF SOIL EXPOSED.ES AND IS INTENSE ENOUGH TO GENERATE RUNOFF,ALL EARTH MOVING ACHWILES MALL CEASE AND EXPOSED C240 SEDIMENT TRAP BURG C102:BUFFER ZONE EARTH SHALL BE COVERED TO PREVENT EROSION. WHILE PRECIPITATION PERSISTS, THE ONLY CWSTRUCHON C241 TEMPORARY SEDIMENT TRAP C103.HIGH VISIBILITY FENCE 2. EARTHEN AREAS THAT ARE SUBJECT TO CONTRIBUTING SEDIMENTS DURING STORM EVENTS AND WHERE EARTH CONTROL C250 CONSNUCRON STORMWATER CHEMICAL TREATMENT C200.INTERCEPTOR DIKE AND SWALE MOVEMENT IS NOT ANTICIPATED FOR 48-HOURS SHALL BE STABILIZED USING THE FOLLOWNG BURS, MEASURES INSTALL NEW EROSION CONTROL BMPS ACVVITY THAT MALL BE ALLOWED ARE THOSE ACVVI 14 NECESSARY AND NON-EROSION77SEDIMENT RES REWIRED 70 MAINTAIN EXISTING EROSION CONTRGENERAROL C251 CONSTRUCTION STORMWATER FlL NATION C201:GRASS LINED CHANNELS H7DROSEEDING&MULCHING(4'THICK STRAW)OR COVERING DISTURBED AREAS AND STOCK PILES NTH PLASTIC NG C207,CHECK DAMS SHEETING. ACRNRES. 5.STABILIZED SOILS. C206 TRIANOLAR SILT DIKE(TSD)(CEOTEXRLE-ENCASED CHECK DAM) 3 WET WEATHER TESC MEASURES WILL BE EXPANDED TO INCLUDE CONSTRUCTOR AREA STABILIZARON, 4 CONSTRUCTION ACTINRES SHALL BE PHASED TO MINIMIZE THE SURFACE AREA OF EXPOSED EARTH AT ANY PROVIDE TEMPORARY AND PERMANENT SOIL STABILIZATION TO ALL EXPOSED AND UNWORKED SOBS WITHIN THE PROJECT C231:BRUSH BARRIER (EXTEND CONSTRUCTW ENTRANCE),SEDIMENT TRAPS,AND ADDITIONAL SILT FENCES,IF NECESSARY WINTER GIVEN TIME.THE CLEARING/GRADING LIMITS ARE IDENTIFIED W THE PLAN SHEET SITE.FROM OCTOBER 1 UN77L APRIL 30,NO EXPOSED SOB MAY REMAIN EXPOSED AND UNWORIED FOR MORE THAN TWO C233:SILT FENCE CONDITIONS TEMPORARY EROSION&SEDIMENT CONTROL BMPS FROM OCTOBER I TO APRIL 30.NO SOIL MAY DAYS AFTER MAY 1,NO RXPOSED SOB MAY REMAIN EXPOSED AND UNWORM FOR MORE THAN SEVEN DAYS. C234 VEGETATED STRIP REMAIN EXPOSED FOR MORE THAN 2 DAYS,OTHERWISE NO SOIL MAY REMAIN EXPOSED FOR MORE THAN 7 DAYS 5. SPECIFY BMP FOR CLEANING PAVEMENT SURFACES AT THE END OF EACH WORKING DAY. COVER PRACTICES: THE EXISTING VEGETATION SHOULD BE LEFT UNDISTURBED WHERE POSSIBLE TO LIMIT BMP's: C120 TEMPORARY AND PERMANENT SEEDING EROSION.DISTURBED AREAS SHALL BE COVERED WITH MULCH,SOD, PLASTIC OR MATTING. STOCKPILES OR SLOPES STEEPER THAN 21 SHALL BE STABILIZED OR PROTECTED WITH SEDIMENT RETENTION BURS VITHIN 24 Cl2I MULCHING HOURS OF FORMARON STRUCTURAL PRACTICES:SILT FENCES AROUND THE PERIMETER WLL PREVENT SEDIMENT STORM DRAINAGE NOTES: C122 NETS AND BLANKETS COIL EROSION AND SEDIMENTATION CONTROL NOTES: LADEN WHERE ACRVE GRADING 15 IN PROGRESS, THE DIRECTOR MAY EXTEND THE DEADLINE FOR SOIL 1. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED,CONCEALED,OR PUT INTO USE UNTIL IT HAS BEEN C123 PLASTIC COVERING STABILIZATION UPON DETERMINING THAT THE LIKELIHOOD OF EROSION IMPACTS IS LOW BASED ON THE TYPE AND INSPECTED,TESTED,AND ACCEPTED BY THE CITY OF EVERETT. C724 SODDING L APPROVAL OF THIS EROSION/SEDIMENTATION CONTROL(ESC)PLAN DOES NOT CONSUME AN APPROVAL OF PERMANENT AMOUNT OF SOIL EXPOSED,SITE TOPOGRAPHY,THE P07ENRAL FOR DISCHARGE TO CRITICAL AREAS AND LAKES CI25 TCPSCYLING AND TIMER FACTORS DISTURBED AREAS SHALL BE COVERED TRIM MULCH,500,PLASTIC O4 MATTING GRADING 2 ALL WORK AND MATERIAL SHALL CONFORM TO THE CITY OF EVERETT DESIGN AND CONSTRUCTION STANDARDS CI26 POLYACEYROUGE FOR SOIL PR07ECVW ROAD OR DRAINAGE DESIGN(E.G.SIZE AND LOCATION OF ROADS,PIPES,RESTRIC70RS CHANNELS RETENTION FACILITIES, CONSTRUCTION SHALL BE TIMED AND CONDUCTED IN STAGES TO MINIMIZE SOIL EXPOSURE. AND SPECIFICATIONS AND THE WSOOT/APWA STANDARD SPECIFICATIONS FOR ROAD,BRIDGE, AND MUNICIPAL CI30 SURFACE ROUGHENING UVLIRES). CONSTRUCTION(CURRENT EDITION). CIN GRADIENT TERRACES 2 THE IMPLEMENTARON OF THESE ESC PLANS AND THE CONSTRUCTION,MAINTENANCE,REPLACEMENT,AND UPGRADING OF 4. SOILS SHALL NOT BE DISTURBED EXCEPT FOR ACTUAL CONSTRUCTION ACRNRES.PARKING IS ALLOWED ONLY ON 3. APPROXIMATE LOCATIONS OF EXISTING UTLIRES HAVE BEEN OBTAINED FROM AVAILABLE RECORDS AND ARE C140 DUST CONTROL THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/CONTRACTOR UNTIL ALL CONSTRUCTION IS COMPLETED PAVED AND/OR GRAVEL SURFACES SHOW FOR CONVENIENCE.THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFICATION OF LOCATIONS AND TO AND APPROVED AND VEGETARONAANDSCAPING IS ESTABLISHED. AVOID DAMAGE i0 ANY ADDITIONAL UTILITIES SHOWN. IF CONFLICTS WITH EXISTING UTLIRES ARISE DURING 6.PROTECT SLOPES: 5, SLOPES 8%AND GREATER WITHOUT ESTABLISHED GROUNDCOVER NLL BE STABILIZED LATH PLASTC SHEETING, CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE PUBLIC WORKS INSPECTOR AND ANY CHANCES REQUIRED CUT AND FILL SLOPES SHALL BE PROTECTED FROM EROSIVE AND CONCENTRATED FLOWS UNTIL PERMANENT COVER AND DRAINAGE 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD PRIOR TO 6-MIL(MINIMUM). THE SHEETING SHALL BE ANCHORED NTH SAND BAGS LOCATED 5-FEET APART ON THE SHALL BE APPROVED BY ME CITY ENGINEER PRIOR TO COMMENCEMENT OFRELATED CONSTRUCTION ON THE CONVEYANCE SYSTEM ARE IN PLACE. CONSTRUCTION DURING ME CONSTRUCTOR PERIOD,NO DISTURBANCE BEYOND THE FLAGGED CLEARING LIMITS SHALL BE PERIMETER AND 10-FEET ON CENTER ON THE REMAINDER OF THE SHEEDNG.A MINIMUM OF 2-FEET OVERLAP IS PROJECT. PERMITTED.THE FLAGGING SHALL BE MAINTAINED BY THE APPLICANT/CONTRACTOR FOR THE DURATION OF CONSTRUCTION. REWIRED FOR OVERLAPPING SHEETS. BMPS: CI1I TEMPORARY AND PERMANENT SEEDING 4. ALL STORM SYSTEMS HTO THE PUBLIC CONSTRUCTION. OR IN EASEMENTS MUST BE STAKED BY SURVEY FOR CI21 MULCHING 4. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN CONJUNCTION W1M ALL CLEARING AND GRADING 6. WATER DISCHARGED FROM ME ATE WILL BE MONITORED FOR TURBIDITY. ME MAXIMUM ALLOWABLE LINE AND GRADE PRIOR TO STARTING CONSTRUCTION. CI12 NETS AND BLANKETS ACRNRES AND IN SUCH A MANNER AS TO ENSURE THAT SEDIMENT AND SEDIMENT LADEN WATER DO NOT ENTER THE TURBIDITY OF DISCHARGED WATER WILL BE 5 NN OVER BACKGROUND. 5. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED DUMP NO WASTE,DRAINS TO STREAM,LAKE,RIVER, DRAINAGE SYSTEM ROADWAYS OR WOLATE APPLICABLE WATER QUALITY STANDARDS PUGET SOUND,OR WETAND.'CHOOSE APPROPRIATE FEATURE FOR THE PROJECT CI13 PLASTIC COVERING 7. WHEN RAINFALL IS HEAVY(DEFINED AS RAINFALL HARD ENOUGH TO PRODUCE SEDIMENT RUN-OFF FROM CI24 SODDING EXPOSED DIRT), ALL EXPOSED EARTHWORK SHALL BE COVERED.NO OTHER CONSTRUCTION ACRVITY SHALL CI30 SURFACE ROUGHENING 5. CO ESCCTION PERIOD, SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS DURING THE OCCUR W PER SURFACES DURING THESE PERIODS OF HEAVY RAIN 6. MALL COMPLY WM ME ET FORT MUNICIPAL CODE(TRINE).CITY ADOPTED AND MANAGEMENT MANUAL, C131 GRADIENT TERRACES CONSTRUCTION PERIOD,THESE ESC FACILITIES SHALL BE UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS AND TO POLICIES AND CRITERIA SET FORM IN ME CITY OF E RE1T5 DESIGN AND CONSTRUCTION STANDARDS& C200 INTERCEPTOR DYKE AND SWALE ENSURE THAT SEDIMENT AND SEDIMENT-LADEN WATER DO NOT LEAVE ME SITE SPECIFlCARONS. 8. ALL DRAINAGE SHALES SHALL BE FULLY VEGETATED.SHALES SHALL BE SODDED IF THE VEGETATION GROWING IN C201 GRASS-LINED CHANNELS 6. THE ESC FACILIDES SHALL BE INSPECTED ROURNELY AND MAINTAINED BY THE APPLICANT/CONTRACTOR TO ENSURE THEIR THE SWALE IS INSUFFICIENT TO PROVIDE WATER QUALITY AND TO PREVENT EROSION OF THE SWALE WATER DISTRIBUTION NOTES: C203 WATER BARS CON UNTIED FUNCTIONING,ESPECIALLY AFIER STORM EVENTS 9. FILTER FABRIC CEOIEXRLE FABRIC SHALL BE INSTALLED BENEATH THE ENTIRE CONSTRUCTION ENTRANCE. C204 PIPE SLOPE DRAINS ( ) 1. NO CONNECTION TO THE EXISTING MAINS WILL BE ALLOWED EXCEPT BY MEANS OF AN APPROVED BACKFLOW C205 SUBSURFACE DRAINS 7 THE ESC FACILITES ON INACTIVE SITES MALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR NUTS PREVENTION DEVICE PRIOR TO SATISFACTORY FLUSHING,TESTING,DISINFECTION,AND RECEIPT OF SATISFACTORY C206 LEVEL SPREADER THE 48 HOURS FOLLOWING A MAJOR STORM EVENT. 10. IF THERE 15 A MEASURABLE INCREASE IN THE TURBIDITY OF THE RECEIVING WATER GREATER THAN 5 NN'S THE BACTERIOLOGICAL TEST RESULTS. C207 CHECK DAMS WATER IN THE TEMPORARY SEDIMENTA DON POND MALL BE PUMPED TO UNDISTURBED VEGETATION ON SITE. C208 TRIANGULAR SILT DIKE GEOTEXTLE-ENCASED CHECK DAM B. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A TRAPPED CATCH BASIN. 2 CONNECTIONS N AND TAPS ON EXISTING MAINS WILL BE MADE BY THE PUBLIC WORKS DEPARTMENT AT THE ( ) DEVELOPERS EXPENSE. THE PUBLIC WORKS DEPARTMENT SHALL BE GIVEN AT LEAST 5 BUSINESS DAYS NOTICE ALL CATCH BARNS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR i0 PAVING ME CLEANING OPERATION SHALL NOT FOR EACH CONNECTION THE PUBLIC WORKS DEPARTMENT SHALL THEREAFTER DETERMINE THE DATE AND TIME AT 7.PR07ECT PERMANENT DRAIN INLETS. FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM. BMP NOTES: WHICH ME CONNECTION MALL BE MADE. ALL PERMANENT STORM DRAIN INLETS WILL BE PR07ECIED FROM SEDIMENT AND SILT-LADEN WATER 9 STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT.ADDITIONAL MEASURES MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPI i. COVER PRACTICER 3. ALL WORK AND MATERIALS MUST CONFORM TO CITY OF EVERETT STANDARDS. BMP's: C220 STORM DRAIN INLET PR07ECPON CLEAN FOR THE DURATION OF THE PROJECT THE EXISTING VELETA PON SHOULD BE LEFT UNDISTURBED WHERE POSSIBLE TO LIMIT EROSION DISTURBED 4, A PRE-CONSTRUCTON MEETING SHALL BE HELD NTH THE CITY PRIOR TO THE START OF CONSTRUCTON. THE AREAS SHALL BE COVERED WITH MULCH AND/OR MATTING.STOCKPILES OR SLOPES STEEPER THAN 2.1 CITY OF EVERETT PUBLIC WORKS CONSTRUCTOR DIVISION MUST BE NOTEED AT LEAST 24 HOURS PRIOR TO 8.STABILIZE CHANNELS AND OUTLETS 10. THE CONTRACTOR SHALL PROVIDE PERIODIC STREET CLEANING TO REMOVE DEBRIS AND SEDIMENT TRACKED OFF THE SITE. SHALL BE COVERED WITH PLASTIC SHEETING HELD IN PLACE WITH SAND BAGS. COMMENCEMENT OF CONSTRUCTION. TEMPORARY AND PERMANENT CONVEYANCE SYSTEMS SHALL BE STABILIZED TO PREVENT EROSION DURING AND AFTER IT) APPROPRIATE MEASURES SHALL BE TAKEN TO STOP SEDIMENT FROM ENTERING SURFACE WATER BODIES IF ME PROPOSED 5. THE DEVELOPER OR THE DEVELOPERS AUTHORIZED AGENT SHALL NOTIFY THE PUBLIC WORKS DEPARTMENT OF A CONSTRUCTION BMPS FAIL,IF BURS FAIL AND SEDIMENT-LADEN WATER IS LEAVING ME SHE,IMMEDIATELY NOTIFY YOUR PUBLIC WORKS HAZARDOUS CHEMICALS PERSON WHO CAN BE CONTACTED REGARDING PROBLEMS DURING CONSTRUCTION DN A 24 HOUR BASIS. INSPECTOR. HAZARDOUS CHEMICALS,SUCH AS CLEANING AGENTS AND SOLVENTS,SHALL BE STORED IN AN APPROVED 6. MAINTAIN A MINIMUM OF 10 FEET HORIZONTAL AND 18 INCHES VERTICAL SEPARATION BETWEEN POTABLE AND BMP's: C122 NETS AND BLANKETS IS BARE AND/OR DISTURBED SOILS SHALL REMAIN UNCOVERED AND/OR UNSTABILIZED FOR NO MORE THAN 2 DAYS FROM CHEMICAL STORAGE FACILIIY(lES), LOCATED IN THE EQUIPMENT STAGING AREA. WHEN USING CHEMICALS NON-POTABLE CONVEYANCE SYSTEMS. C202 CHANNEL LINING OCTOBER 1 THROUGH APRIL 30,AND FOR NO MORE THAN 7 DAYS FROM MAY I THROUGH SEPTEMBER 30. DURING CONSTRUCTION ACRWTY,CARE SHALL BE TAKEN TO GUARD AGAINST SPILLAGE IN THE EVENT OF A 7 ALL CITY OF EVERETT VALVES SHALL BE OPERATED BY PUBLIC WORKS DEPARTMENT PERSONNEL ONLY ALL C207 CHECK DAMS CHEMICAL RELEASE,THE APPROPRIATE AUTHORITIES ARE TO BE NOTIFIED AND THE SPILL IS TO BE CLEANED VALVES NEW AND EXISTING,SHALL BE ACCESSIBLE AT ALL RUES. C209 WRIT PROBCRON El NOTIFY ME CITY PUBLIC WORKS INSPECTOR AT LEAST 24 HOURS PRIOR TO DEWATERING ACROTES HANDLE HIGHLY TURBID UP IMMEDIATELY. OR OTHERWISE CONTAMINATED DEWATERING WATER SEPARATELY FROM STORMWATER N. THE APPROVED PROJECT PUBLIC WORKS PERMIT AND SWPPP SHALL BE RETAINEDON SITE OR READILY AVAILABLE TO THE PETROLEUM PRODUCTS CONTRACTOR THROUGHOUT THE DURATION OF THE CONSTRUCTION PROJECT. THE CONSTRUCTION SITE IS TO BE PR07ECTED AGAINST EXCESSIVE PETROLEUM POLLU ON ALL CONSTRUCTION 15. DESIGN,INSTALL,IMPLEMENT,AND MAINTAIN EFFECTIVE POLLUTION PREVENTION MEASURES TO MINIMIZE THE DISCHARGE OF EQUIPMENT AND VEHICLES SHALL HAVE A REGULAR MAINTENANCE SCHEDULE,AS RECOMMENDED BY THE PRODUCT POLLUTANTS MANUFACTURER, WTI"PARTICULAR ATTENVON/CARE BEING PAID TO LOCARWS THAT ARE COMMONLY KNOWN TO CAI of Everett Permit Review EXAMINED AND APPROVED LEAK LUBRICANTS. UPON DISCOVERY OF AN UNSATISFACTORY PART, THAT VEHICLE/EOUIPMENT SHALL NOT BE CE I& PROTECT ALL LID BURS FROM SEDIMENTATION THROUGH INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENT OPERATED UNTIL IT HAS BEEN FIXED ADDITIONALLY,ALL OIL AND REFUELING OPERATIONS ARE TO BE CONDUCTED IN EVERETT Status:Reviewed for Permit CONTROL SUPS ON PORTIONS OF THE SITE MAT DRAIN INTO THE LID BMPS. A DESIGNA 7ED AREA THAT HAS BEEN PREPARED TO PREVENT THE LOSS OF SPILLED OIL/FUEL TO THE ENVIRONMENT ON THIS DAY OF 2023 THROUGH THE USE OF A LINER,SPILL TRAP OR OTHER MEANS. 03/03/2023 4:06:54 PM BY CITY OF EVERETT ENGINEER DATE REVISION/ISSUED CITY FILE NO.:PW2207.022,,B22//007�-083,82207.086 PROJECT NO. PEN M 06127122 ISSUED AIM I ./NT UT)�/S LOT B 220643 Jfl(fiV6IiVffRIjV6j 11CA"y*R Pr �5�4 0 OB108122 TENSED PER CITY l./, s 10131122 REVISED PER CITY 01124123 REVISED PER CITY DWG. 02/22/23 REVISED PER CITYDRAINAGE C3 P.O. ®X -582 SIL VANA, WA 98287 °FSSIONAiftcN� GALL 4B HOURB ME CONTRACTOR SHALL VERIFY ME IOCAnoN OF ALL TILL: (3601 652-5820 BEFORE IbO RS URLIRES PRIOR TO ANY CONSTRUCTION.AGENCIES INVOLVED EMAIL: macengineering@fron tier.corn 02/22/23 ��"�� SHALL ErS�OcEsNIucnAREASONABLEnMEPRIORTO SWPPP NOTES OF3 DAIS