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SECTION 4 & 5, TOWNSHIP 29 NORTH, RANGE 5 EAST, W.M.
<br />EROSION CONTROL BMPS
<br />HIGH VISIBILITY FENCING (BMP C103)
<br />USE IN COMBINATION WITH BMP C233, SILT FENCE AS INDICATED
<br />ON THE PLANS.
<br />CONSTRUCTION ROAD/PARKING AREA STABILIZATION (BMP C107)
<br />ONCE DEMOLITION IS COMPLETE, THE BUILDING FOUNDATIONS
<br />AND SLAB AREAS WILL BE STABILIZED WITH GRAVEL AND
<br />CONCRETE.
<br />TEMPORARY & PERMANENT SEEDING (BMP C120)
<br />PERMANENT SEEDING SHALL BE USED TO STABILIZE EXPOSED
<br />SOILS AND SHALL BE PERFORMED UNDER THE DIRECTION OF THE
<br />LANDSCAPE PLANS AND SPECIFICATIONS.
<br />MULCHING (BMP C121)
<br />STABILIZE EXPOSED SURFACES WITH 2" - 4" MULCH WHEN
<br />SURFACES ARE TO BE UNWORKED FOR THE SEASONAL TIME
<br />FRAMES LISTED IN THE TESC NOTES AND SWPPP NARRATIVE.
<br />PLASTIC COVERING (BMP C123)
<br />USE PLASTIC SHEATHING TO PROTECT STOCKPILES. STABILIZE
<br />WITH SAND BAGS CONNECTED WITH ROPE.
<br />TOPSOILING/COMPOSTING (BMP C125)
<br />TOPSOIL EXPOSED SOILS AND PROPOSED PLANTERS.
<br />DUST CONTROL (BMP C140)
<br />CONTRACTOR SHALL IMPLEMENT MEASURES TO PREVENT WIND
<br />TRANSPORT OF DUST FROM SOIL SURFACES. SUCH MEASURES
<br />CAN INCLUDE BUT ARE NOT LIMITED TO THE FOLLOWING:
<br />MULCHING AREAS NOT USED FOR VEHICLE ACCESS, SPRINKLING
<br />EXPOSED SURFACES WITH WATER, SURFACE HAUL ROADS WITH
<br />GRAVEL.
<br />STORM INLET PROTECTION (BMP C220)
<br />PLACE INSERTS PER PLAN DETAIL IN EXISTING CATCH BASINS AS
<br />INDICATED ON THE PLAN.
<br />AS NEW CATCH BASINS ARE INSTALLED, THESE SHALL ALSO BE
<br />PROTECTED UNTIL THE DRAINAGE AREA IS STABILIZED.
<br />SILT FENCE (BMP C233)
<br />INSTALL SILT FENCE IN LOCATIONS INDICATED ON THE PLAN.
<br />MAINTENANCE OF BMPS
<br />ALL TEMPORARY AND PERMANENT EROSION AND SEDIMENT CONTROL
<br />PRACTICES SHALL BE MAINTAINED AND REPAIRED AS NEEDED TO
<br />ASSURE CONTINUED PERFORMANCE OF THEIR INTENDED FUNCTION.
<br />FACILITIES SHALL BE INSPECTED AT A MINIMUM ON A WEEKLY BASIS
<br />AND IMMEDIATELY AFTER ANY RUNOFF PRODUCING RAIN EVENT. ALL
<br />MAINTENANCE AND REPAIR SHALL BE CONDUCTED IN ACCORDANCE
<br />WITH MARYSVILE STANDARDS. AT A MINIMUM REPAIRS TO BMP-S
<br />SHALL TAKE PRECEDENT OVER OTHER SITE WORK AND COMPLETED
<br />PRIOR TO CLOSING THE SITE OF THE NIGHT. TRAPPED SEDIMENT MUST
<br />BE REMOVED OR STABILIZED ON SITE. DISTURBED SOIL AREAS
<br />RESULTING FROM REMOVAL SHOULD BE PERMANENTLY STABILIZED.
<br />HIGH VISIBILITY FENCING BMP C103
<br />INSPECT FENCING AND REPAIR DAMAGED SECTIONS.
<br />CONSTRUCTION ROAD STABILIZATION BMP C107
<br />INSPECT STABILIZED AREAS REGULARLY, ESPECIALLY AFTER LARGE
<br />STORM EVENTS. ADD GRAVEL IF NECESSARY AND RESTABILIZE ANY
<br />AREAS FOUND TO BE ERODING.
<br />BMP C120, TEMPORARY SEEDING OF STRIPPED AREAS
<br />SEEDING SHOULD BE SUPPLIED WITH ADEQUATE MOISTURE. SUPPLY
<br />WATER AS NEEDED, ESPECIALLY IN ABNORMALLY HOT OR DRY
<br />WEATHER OR ON ADVERSE SITES. WATER APPLICATION RATES
<br />SHOULD BE CONTROLLED TO PREVENT RUNOFF.
<br />RE -SEEDING - AREAS WHICH FAIL TO ESTABLISH VEGETATIVE COVER
<br />ADEQUATE TO PREVENT EROSION SHALL BE RE -SEEDED AS SOON AS
<br />SUCH AREAS ARE IDENTIFIED.
<br />MULCHING (BMP C121)
<br />MULCHED AREAS SHOULD BE CHECKED PERIODICALLY, ESPECIALLY
<br />FOLLOWING SEVERE STORMS. DAMAGED AREAS OF MULCH OR
<br />TIE -DOWN MATERIAL SHALL BE IMMEDIATELY REPAIRED.
<br />PLASTIC COVERING (BMP C123)
<br />CHECK REGULARLY FOR RIPS AND PLACES WHERE THE PLASTIC MAY
<br />BE DISLODGED. CONTACT
<br />BETWEEN THE PLASTIC AND THE GROUND SHOULD ALWAYS BE
<br />MAINTAINED. ANY AIR BUBBLES FOUND SHOULD BE REMOVED
<br />IMMEDIATELY OR THE PLASTIC MAY RIP DURING THE NEXT WINDY
<br />PERIOD. RE -ANCHOR OR REPLACE THE PLASTIC AS NECESSARY.
<br />TOPSOILING (BMP C125)
<br />INSPECT FOR DAMAGE FROM RAINFALL AND SHEET FLOW. REGRADE
<br />AS NECESSARY.
<br />DUST CONTROL (BMP C140)
<br />RESPRAY AREA AS NECESSARY TO PREVENT WIND EROSION.
<br />STORM DRAIN INLET PROTECTION (BMP C220)
<br />FOR SYSTEMS USING FILTER FABRIC: INSPECTIONS SHOULD BE MADE
<br />ON A REGULAR BASIS, ESPECIALLY AFTER LARGE STORM EVENTS. IF
<br />THE FILTER BAG BECOMES CLOGGED, IT SHOULD BE CLEANED OR
<br />REPLACED.
<br />SILT FENCE (BMP C233)
<br />INSPECT IMMEDIATELY AFTER EACH RAINFALL, AND AT LEAST DAILY
<br />DURING PROLONGED RAINFALL. REPAIR AS NECESSARY.
<br />SEDIMENT MUST BE REMOVED WHEN IT REACHES APPROXIMATELY
<br />ONE THIRD THE HEIGHT OF THE FENCE, ESPECIALLY IF HEAVY RAINS
<br />ARE EXPECTED.
<br />SEEDING NOTES
<br />1. ALL DISTURBED AREAS SUCH AS DETENTION FACILITIES, ROADWAY
<br />BACKSLOPES, ETC. SHALL BE SEEDED WITH A PERENNIAL GROUND
<br />COVER GRASS TO MINIMIZE EROSION. GRASS SEEDING WILL BE DONE
<br />USING AN APPROVED HYDROSEEDER OR AS OTHERWISE APPROVED
<br />BY THE CITY OF EVERETT (ONSITE) OR WSDOT (WITHIN WSDOT ROW).
<br />2. EFFECTIVE SEEDING IS BEST ACCOMPLISHED DURING THE MONTHS OF
<br />APRIL, MAY, JUNE AND SEPTEMBER. SEEDING DURING JULY AND
<br />AUGUST MAY REQUIRE SUBSTANTIAL IRRIGATION. SEE WINTER
<br />GRADING NOTE ABOVE.
<br />3. CONSTRUCTION ACCEPTANCE WILL BE SUBJECT TO A WELL
<br />ESTABLISHED GROUND COVER THAT FULFILLS THE REQUIREMENTS OF
<br />THE APPROVED CONSTRUCTION PLANS AND THE CITY OF EVERETT.
<br />4. IMMEDIATELY FOLLOWING FINISH GRADING, PERMANENT VEGETATION
<br />(CONSISTING OF RAPID, PERSISTENT AND LEGUME) WILL BE APPLIED
<br />(MINIMUM 80# PER ACRE). EXCEPT AS NOTED IN PLANS, THIS SHALL
<br />INCLUDE THE FOLLOWING MIX OF SEEDS: 20% ANNUAL, PERENNIAL OR
<br />HYBRID RYE GRASS, 40% CREEPING RED FESCUE, 40% WHITE CLOVER.
<br />PLANS MAY SPECIFY DIFFERENT PLANTINGS FOR SPECIALIZED AREAS
<br />SUCH AS BIOFILTRATION SWALES DETENTION/INFILTRATION PONDS
<br />WETLAND/BUFFER RESTORATION AREAS, ETC.
<br />5. ALL AREAS TO BE SEEDED SHALL BE CULTIVATED TO THE SATISFACTION
<br />FACTION OF THE CITY INSPECTOR. THIS MAY BE ACCOMPLISHED BY
<br />DISCING, RAKING, HARROWING OR OTHER ACCEPTABLE MEANS.
<br />PERFORM ALL CULTURAL OPERATIONS ACROSS OR AT RIGHT ANGLES
<br />TO THE SLOPE. IF NECESSARY, SURFACE RUNOFF CONTROL
<br />MEASURES SUCH AS GRADIENT TERRACES, INTERCEPTOR
<br />DIKE/SWALES, LEVEL SPREADERS, AND SEDIMENT BASINS SHALL BE
<br />INSTALLED PRIOR TO SEEDING.
<br />6. FERTILIZER SHALL BE APPLIED AT 400# PER ACRE OF 10-20-20 (10
<br />POUNDS PER 1100 SQUARE FEET) OR EQUIVALENT. DEVELOPMENTS
<br />ADJACENT TO WATER BODIES SHALL USE NON -PHOSPHORUS
<br />FERTILIZER.
<br />7. CONTRACTOR SHALL MONITOR GERMINATION AND GROWTH UNTIL
<br />GROUND COVER IS UNIFORMLY ESTABLISHED. THIN AREAS SHALL BE
<br />RESEEDED OR OVERSEEDED AS NECESSARY.
<br />SITE GRADING NOTES
<br />1. ALL GRADING SHALL COMPLY WITH CHAPTER A33 OF THE
<br />INTERNATIONAL BUILDING CODE (CURRENT EDITION).
<br />2. PUBLIC STREETS ARE TO BE KEPT CLEAR OF DIRT AND DEBRIS AT ALL
<br />TIMES DURING CONSTRUCTION. DUST SUPPRESSION AND STREET
<br />CLEANING MUST OCCUR AS DIRECTED BY THE PUBLIC WORKS
<br />INSPECTOR.
<br />3. THE SITE SOILS ARE GENERALLY CONSIDERED MOISTURE SENSITIVE
<br />AND AS SUCH ARE SUSCEPTIBLE TO DISTURBANCE BY CONSTRUCTION
<br />EQUIPMENT, PARTICULARLY DURING PERIODS OF WET WEATHER. THE
<br />GRADING CONTRACTOR SHALL TAKE ALL PRECAUTIONS TO LIMIT
<br />SURFACE DISTURBANCE AND PROTECT THE SITE GRADING AREA FROM
<br />EXCESSIVE RUNOFF EROSION.
<br />4. AREAS TO RECEIVE FILL SHALL BE CLEARED OF ALL VEGETATION AND
<br />DELETERIOUS MATTER.
<br />5. AREAS TO RECEIVE FILL SHALL BE PROOFROLLED. ALL LOOSE AND
<br />SOFT AREAS SHALL BE REMOVED AND REPLACED WITH
<br />STRUCTURAL FILL.
<br />6. ALL FILL MATERIALS USED SHALL BE FREE OF VEGETATION AND
<br />DELETERIOUS MATTER AND SHALL NOT CONTAIN ROCKS GREATER
<br />THAN SIX INCHES IN DIAMETER.
<br />7. STRUCTURAL FILLS SHALL BE PLACED IN EIGHT TO 10 INCH THICK
<br />LOOSE HORIZONTAL LIFTS AND SPREAD UNIFORMLY.
<br />8. AFTER EACH LIFT HAS BEEN SPREAD EVENLY, IT SHALL BE
<br />COMPACTED TO A MINIMUM OF95%OF MAXIMUM DENSITY
<br />DETERMINED IN ACCORDANCE WITH ASTM D1557 (MODIFIED
<br />PROCTOR).
<br />9. THE SURFACE OF ALL SLOPES SHALL BE COMPACTED. THIS MAY BE
<br />ACCOMPLISHED BY OVER -BUILDING THE SLOPES, THEN CUTTING BACK
<br />TO FINAL GRADES, OR BY RUNNING THE COMPACTOR OVER THE
<br />SLOPE AS EACH FILL LIFT IS BEING PLACED. ALL SLOPES SHALL BE
<br />COMPACTED BY THE END OF EACH WORK DAY.
<br />10. FIELD DENSITY TESTS (IF REQUIRED) WILL BE MADE BY A QUALIFIED
<br />SOILS ENGINEERING FIRM. DENSITY TESTS SHALL BE TAKEN AT OR
<br />JUST BELOW THE SURFACE AT THE FREQUENCY AND LOCATIONS
<br />DETERMINED BY THE SOILS ENGINEERING FIRM. WHEN THE TESTS
<br />INDICATE THAT THE DENSITY OF ANY LAYER OF FILL OR PORTION
<br />THEREOF IS BELOW THE SPECIFIED DENSITY, THE PARTICULAR
<br />SECTION SHALL BE REWORKED UNTIL THE REQUIRED DENSITY HAS
<br />BEEN OBTAINED. ALL TEST RESULTS SHALL BE TRANSMITTED TO THE
<br />CITY OF EVERETT BUILDING DEPARTMENT.
<br />11. A GRADING PERMIT AND APPROVAL OF THE TEMPORARY EROSION AND
<br />SEDIMENTATION CONTROL PLAN SHALL HAVE BEEN OBTAINED FROM
<br />THE CITY OF EVERETT FOR ANY ON -SITE GRADING.
<br />12. ALL CUT AND FILL SLOPES SHALL BE A MAXIMUM OF 2. 1.
<br />13. STOCKPILES ARE TO BE LOCATED IN SAFE AREAS AND ADEQUATELY
<br />PROTECTED TO PREVENT EROSION. HYDROSEED PREFERRED.
<br />14. NO GRADING SHALL OCCUR WITHIN 2 FEET OF PROPERTY BOUNDARY
<br />WITHOUT WRITTEN APPROVAL OF ADJACENT OWNER.
<br />STORM DRAINAGE NOTES
<br />1. NO PART OF THE DRAINAGE SYSTEM SHALL BE COVERED, CONCEALED
<br />OR PUT INTO USE UNTIL IT HAS BEEN INSPECTED, TESTED, AND
<br />ACCEPTED BY THE CITY OF EVERETT.
<br />2. ALL WORK AND MATERIAL SHALL CONFORM TO THE CITY OF EVERETT
<br />STANDARDS AND STANDARD SPECIFICATIONS OF WSDOT/APWA.
<br />3. APPROXIMATE LOCATIONS OF EXISTING UTILITIES HAVE BEEN
<br />OBTAINED FROM AVAILABLE RECORDS AND ARE SHOWN FOR
<br />CONVENIENCE. THE CONTRACTOR SHALL BE RESPONSIBLE FOR
<br />VERIFICATION OF LOCATIONS AND TO AVOID DAMAGE TO ANY
<br />ADDITIONAL UTILITIES SHOWN. IF CONFLICTS WITH EXISTING UTILITIES
<br />ARISE DURING CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE
<br />PUBLIC WORKS INSPECTOR AND ANY CHANGES REQUIRED SHALL BE
<br />APPROVED BY THE CITY ENGINEER PRIOR TO COMMENCEMENT OF
<br />RELATED CONSTRUCTION ON THE PROJECT.
<br />4. ALL STORM SYSTEMS WITHIN THE PUBLIC RIGHT-OF-WAY OR IN
<br />EASEMENTS MUST BE STAKED BY SURVEY FOR LINE AND GRADE
<br />PRIOR TO STARTING CONSTRUCTION.
<br />5. ALL CATCH BASIN GRATES MUST BE STENCILED OR STAMPED "DUMP
<br />NO WASTE, DRAINS TO STREAM, LAKE, RIVER, PUGET SOUND, OR
<br />WETLAND." CHOOSE APPROPRIATE FEATURE FOR THE PROJECT.
<br />6. DESIGN SHALL COMPLY WITH THE EVERETT MUNICIPAL CODE (EMC), CITY
<br />ADOPTED STORMWATER MANAGEMENT MANUAL, POLICIES AND CRITERIA
<br />SET FORTH IN THE CITY OF EVERETT'S DESIGN AND CONSTRUCTION
<br />STANDARDS & SPECIFICATIONS.
<br />ADDITIONAL NOTES:
<br />7. ALL PIPE SHALL BE PLACED ON STABLE EARTH, OR IF IN THE OPINION
<br />OF THE INSPECTOR THE EXISTING FOUNDATION IS UNSATISFACTORY,
<br />THEN IT SHALL BE EXCAVATED BELOW GRADE AND BACK -FILLED WITH
<br />A GRAVEL MATERIAL TO SUPPORT THE PIPE.
<br />8. THE BACK FILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE
<br />PIPE IN LAYERS WITH A LOOSE AVERAGE DEPTH OF 6", MAXIMUM
<br />DEPTH 8"-9" THOROUGHLY STAMPING EACH LAYER. THESE
<br />COMPACTED LAYERS MUST EXTEND FOR ONE DIAMETER ON EACH
<br />SIDE OF THE PIPE OR TO THE SIDE OF THE TRENCH. MATERIALS TO
<br />COMPLETE THIS FILL OVER PIPE SHALL BE THE SAME AS DESCRIBED.
<br />(REFER TO WSDOT STANDARD SPECIFICATIONS 7-04.3(3) AND
<br />2-03.2(14)C, METHOD B & C).
<br />9. CATCH BASIN OFFSETS ARE MEASURED TO CENTER OF GRATE.
<br />10. ALL CATCH BASINS SHALL BE TYPE A PER C.O.E. STANDARD DWG 402,
<br />EXCEPT AS OTHERWISE NOTED.
<br />11. ALL CATCH BASINS WITH A DEPTH OVER 5.0 FEET TO THE FLOW LINE
<br />SHALL BE A TYPE II CB OR LARGER (MANHOLE).
<br />12. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ADJUSTING ALL
<br />MANHOLE, INLET AND CATCH BASIN FRAMES AND GRATES TO GRADE
<br />JUST PRIOR TO POURING CURBS AND PAVING.
<br />13. CATCH BASIN FRAME AND GRATE SHALL BE OLYMPIC FOUNDRY MODEL
<br />5435, LOCKING TYPE OR EQUAL. STANDARD GRATES SHALL BE USED
<br />UNLESS SPECIFIED OTHERWISE.
<br />14. UNLESS OTHERWISE NOTED, ALL STORM SEWER PIPE SHALL BE
<br />CORRUGATED POLYETHYLENE PIPE: THE MATERIAL SUPPLIED UNDER
<br />THIS SPECIFICATION SHALL BE HIGH -DENSITY CORRUGATED
<br />POLYETHYLENE SMOOTH INTERIOR PIPE AND SHALL BE
<br />MANUFACTURED IN CONFORMITY WITH THE LATEST AASHTO
<br />SPECIFICATIONS OR M 294 TYPE S AND THE MATERIAL COMPOUND
<br />SHALL CONFORM TO AASHTO M 294. COUPLERS SHALL COVER NOT
<br />LESS THAN ONE FULL CORRUGATION ON EACH ANNULAR SECTION OF
<br />PIPE AND PASS THE WSDOT STANDARD SPECIFICATION SECTION
<br />7-04.3(4)D LOW PRESSURE AIR TEST FOR STORM SEWERS.
<br />15. GALVANIZED STEEL PIPE SHALL HAVE TYPE 1 ASPHALT COATING.
<br />ALUMINIZED PIPE DOES NOT REQUIRE COATING.
<br />16. STORM WATER RETENTION/DETENTION FACILITIES, STORM DRAINAGE
<br />PIPE AND CATCH BASINS SHALL BE FLUSHED AND CLEANED PRIOR TO
<br />CITY OF EVERETT PUBLIC WORKS ACCEPTANCE.
<br />CLEARING LIMITS
<br />CLEARING LIMITS SHOWN ON PLAN REPRESENT MAXIMUM ALLOWABLE
<br />EXTENT OF CLEARING ON THE PROPERTY. OWNER MAY ELECT TO CLEAR
<br />LESS AREA WITHIN WSDOT RIGHT-OF-WAY. DRAINAGE FACILITY DESIGN IS
<br />BASED ON ASSUMPTION OF MAXIMUM ALLOWED ONSITE CLEARING AND
<br />HARDSCAPE.
<br />MARKING OF CLEARING LIMITS AND PLACEMENT OF EROSION CONTROL
<br />BMPS IN THE FIELD SHALL BE ADJUSTED FOR ACTUAL EXTENT OF
<br />CLEARING AS DIRECTED BY OWNER. CLEARING LIMITS SHALL BE CLEARLY
<br />MARKED IN FIELD PRIOR TO COMMENCEMENT OF SITE WORK.
<br />UNDERGROUND UTILITY NOTE
<br />EX. UNDERGROUND UTILITY LOCATIONS SHOWN HEREON ARE BASED UPON
<br />SURFACE INDICATORS. NO UNDERGROUND LOCATE SERVICE WAS
<br />UTILIZED FOR THEIR LOCATION. THE USE OF THIS MAP FOR THEIR EXACT
<br />LOCATION IS NOT WARRANTED. PRIOR TO CONSTRUCTION, USER SHOULD
<br />CALL THE UTILITY LOCATE SERVICE AT 1-800-424-5555, TWO BUSINESS
<br />DAYS BEFORE CONSTRUCTION.
<br />WATER QUALITY STANDARD
<br />STORMWATER RELEASED FROM THIS CONSTRUCTION SITE TO
<br />OFF -SITE DRAINAGE CHANNELS SHALL NOT BE PERMITTED TO
<br />TRANSPORT SEDIMENT LOADINGS EXCEEDING 5 NTUs ABOVE
<br />BACKGROUND LEVELS.
<br />CERTIFIED EROSION &
<br />SEDIMENT CONTROL LEAD
<br />WASHINGTON STATE D.O.E. REQUIRES THAT A CERTIFIED EROSION AND
<br />SEDIMENT CONTROL LEAD (CESCL) BE RETAINED TO MONITOR T.E.S.0
<br />COMPLIANCE. THE CESCL MUST BE IDENTIFIED ON THE STORMWATER
<br />GENERAL PERMIT APPLICATION AND SHALL ATTEND THE
<br />PRE -CONSTRUCTION MEETING WITH CITY STAFF.
<br />POLLUTANTS OTHER THAN SEDIMENT
<br />ALL POLLUTANTS, INCLUDING WASTE MATERIALS AND DEMOLITION DEBRIS,
<br />THAT OCCUR ONSITE SHALL BE HANDLED AND DISPOSED OF IN A MANNER
<br />THAT DOES NOT CAUSE CONTAMINATION OF STORMWATER. GOOD
<br />HOUSEKEEPING AND PREVENTATIVE MEASURES WILL BE TAKEN TO
<br />ENSURE THAT THE SITE WILL BE KEPT CLEAN, WELL ORGANIZED, AND FREE
<br />OF DEBRIS. IF REQUIRED, BMPS TO BE IMPLEMENTED TO CONTROL
<br />SPECIFIC SOURCES OF POLLUTANTS ARE DISCUSSED BELOW.
<br />VEHICLES, CONSTRUCTION EQUIPMENT, AND/OR PETROLEUM PRODUCT
<br />STORAGE/DISPENSING:
<br />• ALL VEHICLES, EQUIPMENT, AND PETROLEUM PRODUCT
<br />STORAGE/DISPENSING AREAS WILL BE INSPECTED REGULARLY TO
<br />DETECT ANY LEAKS OR SPILLS, AND TO IDENTIFY MAINTENANCE
<br />NEEDS TO PREVENT LEAKS OR SPILLS.
<br />• ON -SITE FUELING TANKS AND PETROLEUM PRODUCT STORAGE
<br />CONTAINERS SHALL INCLUDE SECONDARY CONTAINMENT.
<br />• SPILL PREVENTION MEASURES, SUCH AS DRIP PANS, WILL BE
<br />USED WHEN CONDUCTING MAINTENANCE AND REPAIR OF
<br />VEHICLES OR EQUIPMENT.
<br />• IN ORDER TO PERFORM EMERGENCY REPAIRS ON SITE,
<br />TEMPORARY PLASTIC WILL BE PLACED BENEATH AND, IF RAINING,
<br />OVER THE VEHICLE.
<br />• CONTAMINATED SURFACES SHALL BE CLEANED IMMEDIATELY
<br />FOLLOWING ANY DISCHARGE OR SPILL INCIDENT.
<br />CHEMICAL STORAGE:
<br />• ANY CHEMICALS STORED IN THE CONSTRUCTION AREAS WILL
<br />CONFORM TO THE APPROPRIATE SOURCE CONTROL BMPS LISTED
<br />IN VOLUME IV OF THE ECOLOGY STORMWATER MANUAL. IN
<br />WESTERN WA, ALL CHEMICALS SHALL HAVE COVER,
<br />CONTAINMENT, AND PROTECTION PROVIDED ON SITE, PER BMP
<br />C153 FOR MATERIAL DELIVERY, STORAGE AND CONTAINMENT IN
<br />SWMMWW 2005
<br />• APPLICATION OF AGRICULTURAL CHEMICALS, INCLUDING
<br />FERTILIZERS AND PESTICIDES, SHALL BE CONDUCTED IN A
<br />MANNER AND AT APPLICATION RATES THAT WILL NOT RESULT IN
<br />LOSS OF CHEMICAL TO STORMWATER RUNOFF. MANUFACTURERS'
<br />RECOMMENDATIONS FOR APPLICATION PROCEDURES AND RATES
<br />SHALL BE FOLLOWED.
<br />DEMOLITION:
<br />• DUST RELEASED FROM DEMOLISHED SIDEWALKS SHALL BE
<br />CONTROLLED USING DUST CONTROL MEASURES (BMP C140).
<br />• STORM DRAIN INLETS VULNERABLE TO STORMWATER DISCHARGE
<br />CARRYING DUST, SOIL, OR DEBRIS WILL BE PROTECTED USING
<br />STORM DRAIN INLET PROTECTION (BMP C220 AS INDICATED ON
<br />THE PLAN).
<br />• PROCESS WATER AND SLURRY RESULTING FROM SAWCUTTING
<br />AND SURFACING OPERATIONS WILL BE PREVENTED FROM
<br />ENTERING THE WATERS OF THE STATE BY IMPLEMENTING
<br />SAWCUTTING AND SURFACING POLLUTION PREVENTION
<br />MEASURES (BMP C152).
<br />1. SLURRY AND CUTTING SHALL BE VACUUMED DURING
<br />CUTTING AND SURFACING OPERATIONS.
<br />2. SLURRY AND CUTTINGS SHALL NOT DRAIN TO ANY NATURAL
<br />OR CONSTRUCTED DRAINAGE CONVEYANCE.
<br />3. COLLECTED SLURRY AND CUTTINGS SHALL BE DISPOSED OF
<br />IN A MANNER THAT DOES NOT VIOLATE GROUNDWATER OR
<br />SURFACE WATER QUALITY STANDARDS.
<br />CONCRETE AND GROUT:
<br />• PROCESS WATER AND SLURRY RESULTING FROM CONCRETE
<br />WORK WILL BE PREVENTED FROM ENTERING THE WATERS OF THE
<br />STATE BY IMPLEMENTING CONCRETE HANDLING MEASURES (BMP
<br />C151).
<br />1. CONCRETE TRUCK CHUTES PUMPS AND INTERNALS SHALL
<br />BE WASHED OUT ONLY INTO FORMED AREAS AWAITING
<br />INSTALLATION OF CONCRETE OR ASPHALT.
<br />2. UNUSED CONCRETE REMAINING IN THE TRUCK AND PUMP
<br />SHALL BE RETURNED TO THE ORIGINATING BATCH PLANT
<br />FOR RECYCLING.
<br />3. HAND TOOLS INCLUDING, BUT NOT LIMITED TO, SCREEDS,
<br />SHOVELS, RAKES, FLOATS, AND TROWELS SHALL BE
<br />WASHED OFF ONLY INTO FORMED AREAS AWAITING
<br />INSTALLATION OF CONCRETE OR ASPHALT.
<br />WHEN NO FORMED AREAS ARE AVAILABLE, WASHWATER AND
<br />LEFTOVER PRODUCT SHALL BE CONTAINED IN A LINED
<br />CONTAINER. CONTAINED CONCRETE SHALL BE DISPOSED OF IN A
<br />MANNER THAT DOES NOT VIOLATE GROUNDWATER OR SURFACE
<br />WATER QUALITY STANDARDS.
<br />SANITARY WASTEWATER:
<br />• PORTABLE SANITATION FACILITIES WILL BE FIRMLY SECURED,
<br />REGULARLY MAINTAINED, AND EMPTIED WHEN NECESSARY.
<br />• SOLID WASTE WILL BE STORED IN SECURE, CLEARLY MARKED
<br />CONTAINERS.
<br />OTHER:
<br />• OTHER BMPS WILL BE ADMINISTERED AS NECESSARY TO
<br />ADDRESS ANY ADDITIONAL POLLUTANT SOURCES ON SITE.
<br />FIELD MARKINGS
<br />BEFORE ANY CLEARING OR GRADING OCCURS, CONTRACTOR OR
<br />SURVEYOR SHALL INSTALL TEMPORARY FIELD MARKINGS AS FOLLOWS:
<br />1. MARK CLEARING LIMITS AS SHOWN ON PLAN OR AS DIRECTED BY
<br />OWNER (LIMITS ON PLAN ARE MAXIMUM ALLOWABLE) WITH
<br />CONTINUOUS RUN OF ORANGE SURVEYOR'S TAPE 4-6 FEET ABOVE
<br />GROUND. CONTRACTOR MAY SUBSTITUTE CONSTRUCTION OR SILT
<br />FENCING FOR SURVEYOR'S TAPE.
<br />2. CONTRACTOR SHALL REQUEST INSPECTION OF FIELD MARKINGS BY
<br />C.O.E. STAFF PRIOR TO COMMENCING CLEARING OR GRADING.
<br />SOIL STOCKPILES
<br />TEMPORARY STOCKPILE LOCATIONS MAY BE ADJUSTED BY CONTRACTOR
<br />IN FIELD. TOPSOIL STRIPPING STOCKPILES SHALL BE WINDROWED
<br />TEMPORARILY ALONG LOT FRONTAGE FOR SPREADING WHEN LOTS ARE
<br />CLEARED. CARE SHOULD BE TAKEN TO AVOID UNINTENTIONAL DRAINAGE
<br />IMPOUNDMENT OR DIVERSION. TOPSOIL STRIPPINGS MAY BE
<br />INCORPORATED INTO EROSION CONTROL DIVERSION BERMS.
<br />STOCKPILES SHALL NOT BE PLACED WITHIN NGPAs, SCREENING BUFFERS,
<br />EXISTING DRAINAGE OR UTILITY EASEMENTS OR RIGHTS -OF -WAY.
<br />STOCKPILE MANAGEMENT SHALL COMPLY WITH T.E.S.C. GENERAL NOTES
<br />ON SHEET C2.1. INCLUDING STABILIZATION WITHIN 24 HOURS.
<br />CITY OF EVERETT GENERAL NOTES
<br />1. APPROVAL OF THIS EROSION/SEDIMENTATION CONTROL (ESC) PLAN
<br />DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR
<br />DRAINAGE DESIGN (E.G. SIZE AND LOCATION OF ROADS, PIPES,
<br />RESTRICTORS, CHANNELS, RETENTION FACILITIES, UTILITIES).
<br />2. THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION,
<br />MAINTENANCE, REPLACEMENT, AND UPGRADING OF THESE ESC
<br />FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/CONTRACTOR
<br />UNTIL ALL CONSTRUCTION IS COMPLETED AND APPROVED AND
<br />VEGETATION/LANDSCAPING IS ESTABLISHED.
<br />3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL
<br />BE CLEARLY FLAGGED IN THE FIELD PRIOR TO CONSTRUCTION. DURING
<br />THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE FLAGGED
<br />CLEARING LIMITS SHALL BE PERMITTED. THE FLAGGING SHALL BE
<br />MAINTAINED BY THE APPLICANT/CONTRACTOR FOR THE DURATION OF
<br />CONSTRUCTION.
<br />4. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED IN
<br />CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES, AND IN
<br />SUCH A MANNER AS TO ENSURE THAT SEDIMENT AND SEDIMENT LADEN
<br />WATER DO NOT ENTER THE DRAINAGE SYSTEM, ROADWAYS, OR VIOLATE
<br />APPLICABLE WATER QUALITY STANDARDS.
<br />5. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM
<br />REQUIREMENTS FOR ANTICIPATED SITE CONDITIONS. DURING THE
<br />CONSTRUCTION PERIOD, THESE ESC FACILITIES SHALL BE UPGRADED AS
<br />NEEDED FOR UNEXPECTED STORM EVENTS AND TO ENSURE THAT
<br />SEDIMENT AND SEDIMENT -LADEN WATER DO NOT LEAVE THE SITE. 2022
<br />DESIGN AND CONSTRUCTION STANDARDS AND SPECIFICATIONS EROSION
<br />AND SEDIMENTATION CONTROL 2-6
<br />6. THE ESC FACILITIES SHALL BE INSPECTED ROUTINELY AND MAINTAINED
<br />BY THE APPLICANT/CONTRACTOR TO ENSURE THEIR CONTINUED
<br />FUNCTIONING, ESPECIALLY AFTER STORM EVENTS.
<br />7. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND
<br />MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN THE 48 HOURS
<br />FOLLOWING A MAJOR STORM EVENT.
<br />8. AT NO TIME SHALL MORE THAN ONE FOOT OF SEDIMENT BE ALLOWED TO
<br />ACCUMULATE WITHIN A TRAPPED CATCH BASIN. ALL CATCH BASINS AND
<br />CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE
<br />CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO
<br />THE DOWNSTREAM SYSTEM.
<br />9. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE
<br />BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF
<br />THE PROJECT. ADDITIONAL MEASURES MAY BE REQUIRED TO ENSURE
<br />THAT ALL PAVED AREAS ARE KEPT CLEAN FOR THE DURATION OF THE
<br />PROJECT.
<br />10. THE CONTRACTOR SHALL PROVIDE PERIODIC STREET CLEANING TO
<br />REMOVE DEBRIS AND SEDIMENT TRACKED OFF THE SITE.
<br />11. APPROPRIATE MEASURES SHALL BE TAKEN TO STOP SEDIMENT FROM
<br />ENTERING SURFACE WATER BODIES IF THE PROPOSED BMPS FAIL. IF
<br />BMPS FAIL AND SEDIMENT -LADEN WATER IS LEAVING THE SITE,
<br />IMMEDIATELY NOTIFY YOUR PUBLIC WORKS INSPECTOR.
<br />12. BARE AND/OR DISTURBED SOILS SHALL REMAIN UNCOVERED AND/OR
<br />UNSTABILIZED FOR NO MORE THAN 2 DAYS FROM OCTOBER 1 THROUGH
<br />APRIL 30, AND FOR NO MORE THAN 7 DAYS FROM MAY 1 THROUGH
<br />SEPTEMBER30.
<br />13. NOTIFY THE CITY PUBLIC WORKS INSPECTOR AT LEAST 24 HOURS PRIOR
<br />TO DEWATERING ACTIVITIES. HANDLE HIGHLY TURBID OR OTHERWISE
<br />CONTAMINATED DEWATERING WATER SEPARATELY FROM STORMWATER.
<br />14. THE APPROVED PROJECT PUBLIC WORKS PERMIT AND SWPPP SHALL BE
<br />RETAINEDON SITE OR READILY AVAILABLE TO THE CONTRACTOR
<br />THROUGHOUT THE DURATION OF THE CONSTRUCTION PROJECT.
<br />15. DESIGN, INSTALL, IMPLEMENT, AND MAINTAIN EFFECTIVE POLLUTION
<br />PREVENTION MEASURES TO MINIMIZE THE DISCHARGE OF POLLUTANTS.
<br />16. PROTECT ALL LID BMPS FROM SEDIMENTATION THROUGH INSTALLATION
<br />AND MAINTENANCE OF EROSION AND SEDIMENT CONTROL BMPS ON
<br />PORTIONS OF THE SITE THAT DRAIN INTO THE LID BMPS. 2022 DESIGN
<br />AND CONSTRUCTION STANDARDS AND SPECIFICATIONS
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<br />DATE:
<br />9/14/23
<br />JOB #:
<br />21-162
<br />•
<br />Know wbafs below.
<br />Call before you dig.
<br />C2ml
<br />P:\WORMPROJECTS\2021\21-162 SEA CON\CE\DWG\SHEETS\C2.0 SWPPP SMALL.DWG 9/14/2023
<br />UNPUBLISHED WORK COPYRIGHT© 2023 BYHAP MSEN &ASSOCIATES INC.
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