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<br />PLANTER
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<br />CAUI1.,
<br />THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION,
<br />DIMENSION, AND DEPTH OF ALL EXISTING UTILITIES WHETHER SHOWN ON THESE
<br />PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE HORIZONTAL
<br />AND VERTICAL LOCATION PRIOR TO CONSTRUCTION. THIS SHALL INCLUDE
<br />CALLING UTILITY LOCATE @ 1-800-424-5555 POTHOLING ALL OF THE EXISTING
<br />UTILITIES AT LOCATIONS OF NEW UTILITY CROSSINGS TO PHYSICALLY VERIFY
<br />WHETHER OR NOT CONFLICTS EXIST. LOCATIONS OF SAID UTILITIES AS SHOWN
<br />ON THESE PLANS ARE BASED UPON THE UNVERIFIED PUBLIC INFORMATION AND
<br />ARE SUBJECT TO VARIATION. IF CONFLICTS SHOULD OCCUR, THE CONTRACTOR
<br />SHALL CONSULT WITH INSIGHT ENGINEERING COMPANY TO RESOLVE ALL
<br />PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION.
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<br />SNOHOMISH COUNTY, WASHINGTON
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<br />T SC & GRADING NOTES
<br />1.
<br />THE TEMPORARY EROSION CONTROL SYSTEM SHALL BE INSTALLED PRIOR TO ALL
<br />OTHER CONSTRUCTION,
<br />2.
<br />WHERE POSSIBLE, MAINTAIN NATURAL VEGETATION FOR SILT CONTROL.
<br />3.
<br />AS CONSTRUCTION PROGRESSES AND SEASONAL CONDITIONS DICTATE, THE
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<br />EROSION CONTROL FACILITIES SHALL BE MAINTAINED AND/OR ALTERED AS
<br />REQUIRED BY THE CITY ENGINEER TO ENSURE CONTINUING
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<br />EROSION/SEDIMENTATION CONTROL.
<br />C j 4.
<br />ALL DISTURBED AREAS THAT WILL BE LEFT FOR 30 DAYS OR MORE DURING THE
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<br />PERIODS OF MARCH 1 TO MAY 15 AND AUGUST 15 TO OCTOBER I SHALL BE
<br />IMMEDIATELY SEEDED WITH A MIX AND BY A METHOD APPROVED BY THE CITY OF
<br />EVERETT PUBLIC WORKS DEPARTMENT AND MAINTAINED UNTIL SEED GERMINATION
<br />IS ASSURED. IN ADDITION TO SEEDING, SLOPES OF 25% OR GREATER WILL BE
<br />MULCHED WITH 2.0 TONS OF STRAW PER ACRE, OR WITH AN APPROVED EQUAL.
<br />DURING THE REST OF THE YEAR, TEMPORARY SOIL STABILIZATION MUST BE
<br />— — — — — — — — -
<br />APPLIED IMMEDIATELY TO DISTURBED AREAS THAT WILL BE LEFT EXPOSED FOR 7
<br />DAYS OR MORE, AND IMMEDIATELY TO SLOPES GREATER THAN 25% WILL BE LEFT
<br />EXPOSED FOR 3 DAYS OR MORE.
<br />5.
<br />THE PUBLIC RIGHT-OF-WAY SHALL BE KEPT CLEAN. TRACKING OF MUD AND
<br />DEBRIS FROM THE SITE WILL NOT BE ALLOWED. FAILURE TO COMPLY WITH THIS
<br />CONDITION WILL RESULT IN ALL WORK ON THE SITE BEING STOPPED.
<br />6.
<br />GRADING OUTSIDE CITY RIGHT-OF-WAY SHALL CONFORM TO CHAPTER 70,
<br />UNIFORM BUILDING CODE.
<br />7.
<br />COMPACT ALL FILLS TO MINIMUM 95% MAXIMUM DENSITY.
<br />8.
<br />THE CONTRACTOR SHALL PROVIDE AND MAINTAIN TEMPORARY SEDIMENTATION
<br />COLLECTION FACILITIES TO INSURE THAT SEDIMENT -LADEN WATER DOES NOT
<br />ENTER THE NATURAL DRAINAGE SYSTEM. AS CONSTRUCTION PROGRESSES AND
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<br />UNEXPECTED (SEASONAL) CONDITIONS DICTATE, MORE SILTATION CONTROL
<br />FACILITIES MAY BE REQUIRED TO INSURE COMPLETE SILTATION CONTROL OF THE
<br />— — — — — — — — — _
<br />PROPOSED PROJECT. THEREFORE, DURING THE COURSE Of' CONSTRUCTION IT
<br />SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE CONTRACTOR TO
<br />ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO
<br />PROVIDE ADDITIONAL FACILITIES THAT MAY BE NEEDED TO PROTECT ADJACENT
<br />PROPERTIES.
<br />{ 9.
<br />CONTRACTOR SHALL PROTECT THE SEWER MAIN DURING CONSTRUCTION.
<br />ESC NOTES
<br />1. APPROVAL OF THIS EROSION/SEDIMENTATION CONTROL (ESC) PLAN DOES NOT CONSTITUTE AN
<br />APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G. SIZE AND LOCATION OF ROADS,
<br />PIPES RESTRICTORS CHANNELS RETENTION FACILITIES UTILITIES
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<br />2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE,
<br />REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE
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<br />APPLICNTICONTRACTOR UT fTRUCTION IS COMPLETED AND APPROVED AND
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<br />VEGETAT ION/LANDSCAPINGSESTABLISHED.
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<br />3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY
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<br />FLAGGED IN THE FIELD PRIOR TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO
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<br />DISTURBANCE BEYOND THE FLAGGED CLEARING LIMITS SHALL BE PERMITTED, THE FLAGGING
<br />SHALL BE MAINTAINED BY THE APPLICANTICONTRACTOR FOR THE DURATION
<br />OF CONSTRUCTION.
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<br />4. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN CONJUNCTION WITH ALL
<br />CLEARING AND GRADING ACTIVITIES,
<br />AND IN SUCH A MANNER AS TO ENSURE THAT SEDIMENT AND
<br />SEDIMENT LADEN WATER DO NOT ENTER THE DRAINAGE SYSTEM, ROADWAYS, OR VIOLATE
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<br />APPLICABLE WATER QUALITY STANDARDS.
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<br />5. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR ANTICIPATED
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<br />SITE CONDITIONS, DURING THE CONSTRUCTION PERIOD, THESE ESC FACILITIES SHALL BE
<br />UPGRADED AS NEEDED FOR UNEXPECTED STORM EVENTS AND TO ENSURE THAT SEDIMENT AND
<br />SEDIMENT -LADEN WATER DO NOT LEAVE THE SITE.
<br />6. THE ESC FACILITIES SHALL BE INSPECTED ROUTINELY AND MAINTAINED BY THE
<br />APPLICANT/CONTRACTOR TO ENSURE THEIR CONTINUED FUNCTIONING, ESPECIALLY AFTER STORM
<br />EVENTS.
<br />7. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF
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<br />ONCE A MONTH OR WITHIN THE 48 HOURS FOLLOWING A MAJOR STORM EVENT
<br />8. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A
<br />TRAPPED CATCH ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO
<br />PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO THE
<br />DOWNSTREAM SYSTEM.
<br />9. STABILIZED CONSTRUCTION ENTRANCES SHALL 3E INSTALLED AT THE BEGINNING OF
<br />CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT ADDITIONAL MEASURES
<br />MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF
<br />THE PROJECT.
<br />10 THE CONTRACTOR SHALL PROVIDE PERIODIC STREET CLEANING TO REMOVE DEBRIS AND SEDIMENT
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<br />TRACKED OFF THE SITE.
<br />11. APPROPRIATE MEASURES SHALL BE TAKEN TO STOP SEDIMENT FROM ENTERING SURFACE WATER
<br />BODIES IF THE PROPOSED BMPS FAIL.
<br />12. BARE AND/OR DISTURBED SOILS SHALL REMAIN UNCOVERED AND/OR UNSTABR_IZED FOR NO
<br />MORE THAN 2 DAYS FROM OCTOBER 1 THROUGH APRIL 30, AND FOR NO MORE THAN 7 DAYS
<br />FROM MAY 1 THROUGH SEPTEMBER 30.
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<br />THE 13 ELEMENTS OF TSO
<br />ELEMENT JI - MARK CLEARING LIMITS:
<br />LIMIT OF CONSTRUCTION ARE CLEARLY MARKED.
<br />BMP C103
<br />ELEMENT J2 - ESTABLISH CONSTRUCTION ACCESS:
<br />THE EXISTING PAVED ENTRANCE WILL FUNCTION AS THE STABILIZED
<br />CONSTRUCTION ENTRANCE.
<br />ELEMENT J3 - CONTROL FLOW RATES:
<br />FLOW IS MINIMAL.
<br />NO BMP's ARE PROPOSED.
<br />ELEMENT 14 - INSTALL SEDIMENT CONTROLS:
<br />NO BMP'S ARE PROPOSED
<br />ELEMENT J5 - STABILIZE SOILS:
<br />SOIL STABILIZATION 1S ACHEIVED BY PLASTIC COVERING, MULCHING & SEEDS
<br />ELEMENT J6 - PROTECT SLOPES:
<br />N/A
<br />NO BMP's ARE PROPOSED.
<br />ELEMENT J7- PROTECT DRAIN INLETS:
<br />NO BMP'S ARE PROPOSED.
<br />ELEMENT#8 - STABILIZE CHANNELS AND OUTLETS:
<br />N/A.
<br />NO BMP's ARE PROPOSED,
<br />ELEMENT J9 - CONTROL POLLUTANTS:
<br />ALL VEHICLES, EQUIPMENT AND PETROLEUM PRODUCT STORAGE/DISPERSING AREAS
<br />WILL BE INSPECTED REGULARLY TO DETECT ANY LEAKS OF SPILLS, AND TO
<br />IDENTIFY MAINTENANCE NEEDS AND PREVENT LEAKS OF SPILLS.
<br />BMP's C 151, C 152 & C 153,
<br />ELEMENT JIO - CONTROL DEWATERING:
<br />THERE WILL BE NO DEWATERING AS PART OF THIS CONSTRUCTION PROJECT.
<br />NO BMP's ARE PROPOSED.
<br />ELEMENT #11- MAINTAIN BMPs:
<br />ALL TEST BMPs SHALL BE MAINTAINED AND REPAIRED AS NEEDED,
<br />BMP's C 150 & C 160.
<br />ELEMENT #12 - MANAGE THE PROJECT:
<br />THIS COULD BE ACHIEVED BY MINIMIZING THE EXTENT AND DURATION OF THE AREA
<br />EXPOSED AND BY EMPHASIZING EROSION CONTROL THEN SEDIMENT CONTROL.
<br />BMP's C 105, C 160 & C 162.
<br />ELEMENT #13 - PROTECT ON -SITE STORMWATER MANAGEMENT BMP°S FOR RUNOFF
<br />FROM ROOFS AND OTHER HARD SURFACES:
<br />N/A
<br />f CONTRACTOR RESRONSIBITITYFOR 1;R0510-NISITTATI0IV C'ONTROT
<br />( IT IS THE INTENT OF THIS TEMPORARY EROSION AND SILTATION CONTROL PLAN THAT STORM WATER RUNOFF BE
<br />CONTROLLED AT ALL TIMES TO PREVENT SOIL EROSION AND TO MAINTAIN WATER QUALITY. ANY AND ALL
<br />MEASURES NECESSARY TO DO SO SHALL BE EMPLOYED BY THE CONTRACTOR.
<br />I. REGARDLESS OF SITE, WEATHER, SOIL OR OTHER CONDITIONS, THE CONTRACTOR SHALL BE FULLY
<br />_ — — — — — — — — — - RESPONSIBLE FOR ENSURING THAT EROSION DOES NOT OCCUR ON THE SITE AND THAT POLLUTED OR
<br />�En , SILT -LADEN RUNOFF DOES NOT LEAVE THE SITE OR ENTER INTO ANY CREEK, STREAM, WETLAND OR
<br />WATER BODY ON THE SITE.
<br />2. BEYOND THE MINIMUM REQUIREMENTS SHOWN ON THIS PLAN, THE CONTRACTOR SHALL BE RESPONSIBLE
<br />FOR SELECTING AND IMPLEMENTING APPROPRIATE METHODS, "BEST MANAGEMENT PRACTICES" (BMPs), FOR
<br />I STORM WATER TREATMENT AND CONTROL THAT MEET THE REQUIREMENTS OF BOTH THE WASHINGTON STATE
<br />DEPARTMENT OF ECOLOGY AND THE CITY OF EVERETT.
<br />C) 3, THE CONTRACTOR SHALL REPORT ALL WATER QUALITY CONCERNS AND ACTIVITIES TO THE PROJECT ENGINEER
<br />AND THE CITY INSPECTOR. IN THE EVENT THAT THE INSTALLED WATER QUALITY CONTROL MEASURES ARE
<br />UU) INEFFECTIVE AT CONTROLLING EROSION AND SILTATION, THE CONTRACTOR .SHALL IMMEDIATELY REPORT TO
<br />AND CONSULT WITH THE PROJECT ENGINEER TO FIND AN APPROPRIATE REMEDY. ALL CONSTRUCTION
<br />ACTIVITIES, WITH THE EXCEPTION OF EROSION AND SILTATION CONTROL MEASURES, SHALL CEASE UNTIL
<br />SUCH TIME AS THE WATER QUALITY IS BROUGHT UNDER CONTROL.
<br />4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MONITORING WEATHER FORECASTS AND ANTICIPATING STORM
<br />{ ACTIVITY AND SHALL SCHEDULE ALL PROJECT ACTIVITIES IN ANTICIPATION OF THE WEATHER.
<br />i — — — — -- — — — — - 5. ALL SUPPLIES AND MATERIALS NECESSARY FOR IMPLEMENTING BMPs SHALL BE STORED ON SITE AND SHALL
<br />U BE IMMEDIATELY AVAILABLE FOR USE. SUCH SUPPLIES AND MATERIALS SHALL INCLUDE BUT NOT BE LIMITED
<br />TO, STRAW BALES OR OTHER MULCHING MATERIAL, SILT FENCING AND STAKES, FILTER FABRIC, ETC.
<br />6. DURING AND AFTER RUNOFF PRODUCING STORM EVENTS, CONTRACTOR SHALL MONITOR ALL EROSION
<br />CONTROL MEASURES AND SHALL PRIORITIZE IMPLEMENTATION AND MAINTENANCE OF EROSION AND SILTATION
<br />CONTROL MEASURES ABOVE ALL OTHERS.
<br />CITY OF EVERETT
<br />REVIEWED FOR PERMIT
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