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<br />REFUSE IS ENCOUNTEREDEXCAVATIONSSTOCKPILING AND DISPOSAL OF THE REFUSE SHALL BE COMPLETED PER
<br />THE • OF • ♦ r THE
<br />APPROVED
<br />HEALTH AND SAFETY PLAN. SEE DWG. NO. RP1 FOR REFUSE DISPOSAL
<br />NOTES
<br />2. REFUSE ENCOUNTERED AT THE PIPE INVERT ELEVATION DURING
<br />EXCAVATION SHALL BE OVER -EXCAVATED A DEPTH OF
<br />INCHES BELOW THE BASE OF
<br />5 FEET
<br />i • - BASE OF - _ .- -OVER-EXCAVATION PROPOSED PIPE BEDDING EXTEND _-_-
<br />WIDTHFULL i OVER -EXCAVATED A -
<br />PREPARED , . 0•. APPROVEDEQUIVALENT)
<br />SEPARATOR FABRIC, AND SHALL BE BACKFILLED WITH FOUNDATION
<br />MATERIAL AS APPROVED BY THE GEOTECHNICAL ENGINEER. THE
<br />FOUNDATION MATERIAL SHALL BE COMPACTED TO THE MAXIMUM EXTENT
<br />POSSIBLE PRIOR TO PLACING 'THE PIPE ZONE BEDDING.
<br />3. THE NEAR SURFACE FILL SOILS ENCOUNTERED ALONG THE PROPOSED
<br />UTILITY ALIGNMENTS WILL PROVIDE SUITABLE SUPPORT FOR THE NEW
<br />UTILITIES AND ASSOCIATED MANHOLES, IF THEY ARE PROPERLY
<br />EXCAVATED AND PREPARED. WHERE FILL SOILS ARE COMPETENT AS
<br />APPROVED BY
<br />NEER, BEDDING MATERIAL SHALL
<br />: R - ECTLY - UNDISTURBED ON THE
<br />BE BACKFILLED WITH GRAVEL BORROW AS APPROVED BY THE
<br />GEOTECHNICAL ENGINEER,
<br />HORIZONTAL DATUM:
<br />HORIZONTAL DATUM FOR THIS SURVEY IS NAD 83/91 PER CITY OF EVERETT.
<br />CITY OF EVERETT CONTROL POINT NO. 703-58-04 WAS HELD FOR
<br />POSITION, AND A LINE BETWEEN SAID POINT NO. 703-56-04 AND CONTROL
<br />POINT NO. INCA-9 WAS HELD FOR ROTATION, BEING NORTH 00°26'11" EAST.
<br />VERTICAL DATUM:
<br />NAVD86
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<br />No. Date
<br />17. EXCESS MATERIALS AND ANY LANDFILL WASTE MATERIAL SHALL BE
<br />DISPOSED OF ON -SITE. LOCATIONS FOR ON -SITE BURY SHALL BE
<br />IDENTIFIEDAND APPROVED i' TO EXCAVATION.
<br />PROJECT18. ADDITIONAL POLLUTION PREVENTION REQUIREMENTS ARE INCLUDED IN
<br />THE SURFACE WATER POLLUTION
<br />PREVENTION
<br />!• P
<br />INCLUDING MATERIAL HANDLING, SAMPLING, MAINTENANCE, AND REPORTING
<br />REQUIREMENTS. A COPY OF THE APPROVED SWPPP SHALL BE
<br />MAINTAINED ONSITE THROUGHOF •
<br />19. CLEARING LIMITS SHALL BE FENCED WITH ORANGE BARRIER FENCING, OR
<br />OTHER MEANS APPROVED
<br />Y THE
<br />PRIOR TO BEGINNING
<br />CLEARING •. ! EARTHWORK
<br />. • oar ACTIVITIES. - A CLEARING
<br />REVIEWED WITH THE OWNER AND ADJUSTMENTS MADE TO THE
<br />PROTECTION LIMITS AND TREES TO BE PROTECTED PRIOR TO CLEARING
<br />THE SITE.
<br />20. EXISTING VEGETATION SHALL BE PROTECTED AND RETAINED TO THE
<br />MAXIMUM EXTENT FEASIBLE.
<br />21. DURING • - PERIOD, NO DISTURBANCE O • THE
<br />FLAGGED CLEARING LIMITS SHALL BE PERMITTED.
<br />CONSTRUCTION.BE MAINTAINED BY THE CONTRACTOR FOR THE DURATION OF
<br />FACILITIES• r A ARE
<br />REQUIREMENTS ANTICIPATED r • DURING
<br />CONSTRUCTION
<br />THESE ESC FACILITIES SHALL BE UPGRADED AS
<br />NEEDED •R UNEXPECTED STORM EVENTS ♦ D TO ENSURE THAT
<br />SEDIMENTrSEDIMENT-LADEN WATER i NOT LEAVE-
<br />23. AT NO TIME SHALL
<br />E THAN
<br />OT OF
<br />TO
<br />ACCUMULATE WITHIN 1 TRAPPED
<br />AP r CATCH :ACATCH AND
<br />CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PROJECT ACCEPTANCE.
<br />THE CLEANING OPERATION
<br />.. .A..• SHALL NOT FLUSH SEDIMENT
<br />LADEN
<br />r. WATER
<br />INTO THE DOWNSTREAM
<br />24. THE CONTRACTOR SHALL REMOVE ALL TEMPORARY EROSION AND
<br />SEDIMENTATION CONTROL" • DAYS AFTER FINAL
<br />STABILIZATION OR AFTER THEY ARE NO LONGER NECESSARY.
<br />25. CONSTRUCTION ACCESS ROADS SHALL BE CONSTRUCTED AND MAINTAINED
<br />AS NEEDED BASED ON CONTRACTOR'S
<br />DUE TO
<br />XISTINGY OCCUR
<br />•PROPERTIES, It _. NEGATIVE IMPACTS A -
<br />AND MAY NECESSITATE EXTRA MEASURES SUCH AS GEOTEXTILE
<br />SUPPORTED ROCK ACCESS RAMPS.
<br />26. CONTRACTOR SHALL PROVIDE ROUTINE INSPECTION AND MAINTENANCE OF
<br />THE SITE. INSPECTIONS WILL ALSO BE CARRIED BY THE CITY OF
<br />EVERETT )t SITE OWNER.
<br />INSPECTIONS27. WEEKLY OF , IMMEDIATELY• •
<br />NECESSARY REPAIRS OP - REPAIRS ♦.
<br />NECESSARY ARE REQUIRED AFTER ANY STORMOF
<br />GREATER THAN 6 • •' ANY DURATION.
<br />28. INSPECTIONS AND MAINTENANCE/REPAIRS REQUIRED FOR POINTS OF
<br />DISCHARGE • CITY 0' ANY OFFSITE OWNER SHALL
<br />THE SAME INSPECTION 4ND MAINTENANCE SC
<br />29. INSPECTIONS
<br />,• r MAINTENANCE SHALL OCCUR INDEFINITELY THE
<br />INSPECTIONSITE IS DEVELOPED OR UNLESS OTHERWISE DIRECTED BY THE ENGINEER.
<br />30. AN , BE ) OUT •,. EACHINSPECTION
<br />r SHALL BE SUBMITTED TO THE CITY OF R
<br />DISKING EI IVEGETATION
<br />PART 1 - GENERAL
<br />1.1 SUMMARY
<br />THIS SECTION DESCRIBES GENERAL REQUIREMENTS FOR DISKING
<br />EXISTING VEGETATION.
<br />1.2 DEFINITIONS
<br />A. DISKING: CHURNING THE TOP 4- TO 6-INCHES OF THE SURFACE, WITH
<br />THE INTENTION OF BLENDING SHORT GRASS AND A THIN LAYER OF
<br />ROOT MASS WITH THE SUBSURFACE MATERIAL.
<br />B. VEGETATION: GRASS NO TALLER THAN 2 INCHES, AND ITS ROOTS.
<br />C. MOWING: THE CUTTING OF GRASS TO A HEIGHT NOT GREATER THAN 2
<br />INCHES.
<br />1.3 SEQUENCING AND SCHEDULING
<br />A. THE CONTRACTOR SHALL ONLY DISK AREAS THAT ARE TO BE
<br />IMMEDIATELY WORKED ON.
<br />B. BEFORE EXCAVATION OR FILL PLACEMENT CAN BEGIN WITHIN A PLANNED
<br />AREA OF WORK, THE AREA MUST BE DiSKED. AREAS TO BE EITHER
<br />DISKED OR CLEARED AND GRUBBED SHOULD BE CLEARLY SHOWN IN
<br />THE CONTRACT DOCUMENTS. IF THE AREAS ARE NOT CLEAR IN THE
<br />CONTRACT DOCUMENTS, THE CONTRACTOR SHALL OBTAIN DIRECTION
<br />FROM THE ENGINEER ON HOW TO PREP THE SITE BEFORE STARTING
<br />WORK IN THAT AREA.
<br />PART 3 - EXECUTION
<br />3.1 GENERAL
<br />A. VERIFICATION OF CONDITIONS:
<br />1. VERIFY ALL LINES, LIMITS AND GRADES PRIOR TO BEGINNING DISKING
<br />EXISTING VEGETATION.
<br />3.2 PROTECTION
<br />A. ALL STREETS, ROADS, GRADING, STRUCTURES, UTILITIES, MONITORING
<br />WELLS, AND OTHER IMPROVEMENTS NOT SPECIFICALLY DESIGNATED TO
<br />BE MOWED, CLEARED, REMOVED, STRIPPED OR ALTERED AS A PART OF
<br />THE WORK SHALL BE PROTECTED FROM DAMAGE THROUGHOUT THE
<br />CONSTRUCTION PERIOD. ANY DAMAGE CAUSED BY THE CONTRACTOR,
<br />HIS EMPLOYEES, AGENTS, OR ANY LOWER TIERED SUBCONTRACTORS
<br />SHALL BE IMMEDIATELY REPAIRED TO THE ORIGINAL CONDITION AND TO
<br />THE SATISFACTION OF THE ENGINEER OR REPRESENTATIVE AT THE
<br />CONTRACTORS COST. COMPLETED WORK (E.G. EARTHWORK AND
<br />FOUNDATIONS) SHALL BE PROTECTED FROM WETTING, DRYING AND
<br />FREEZING BY PROVIDING TEMPORARY DRAINAGE FEATURES AND
<br />BLANKETS OR PROTECTIVE COVER SOIL LAYERS AS NECESSARY.
<br />3.3 DISKING EXISTING VEGETATION
<br />A. THE CONTRACTOR SHALL DISK EXISTING VEGETATION IN ALL AREAS OF
<br />PROPOSED FILL PLACEMENT PRIOR TO PLACEMENT OF FILL. DISKING
<br />SHALL NOT START UNTIL THE SURFACE VEGETATION IS MOWED TO A
<br />MAXIMUM HEIGHT OF 2 INCHES. DISKING SHALL CONTINUE UNTIL THE
<br />UPPER 4- TO 6-INCHES OF SOIL, VEGETATION AND ROOT MASS ARE
<br />THOROUGHLY MIXED.
<br />B. DISKING EXISTING VEGETATION WORK INCLUDES:
<br />1. PROTECTING FROM HARM ALL OBJECTS SELECTED TO REMAIN.
<br />2. MOWING THE AREA PRIOR TO DISKING.
<br />r
<br />CONTINGENCY °
<br />DAILY MAINTENANCE
<br />IN THE EVENT THAT WATER QUALITY MONITORING INDICATES
<br />THAT TURBID
<br />ROADS ALONG CONTRACTOR'S HAUL
<br />ROUTE SHALL BE SWEPT OFF AND/OR
<br />RUNOFF IS LEAVING THE SITE:
<br />CLEARED OF DEBRIS EVERYDAY,
<br />1. COVER ALL AREAS OF EXPOSED SOIL WITH PLASTIC
<br />SHEETING. PLASTIC
<br />SHOULD HAVE SUFFICIENT STAKED SAND BAGS AND
<br />OVERLAPPED JOINTS
<br />SITE
<br />EROSIONCONTROL
<br />AND WATERLI
<br />TO PREVENT WIND BLOW -OFF.
<br />ENFORCEMENT.,
<br />2. PUMP ALL TURBID RUNOFF FROM DETENTION POND
<br />TO WATER TRUCK
<br />FOR OFF SITE DISPOSAL. NO OTHER WORK ACTIVITY
<br />SHALL BE PERMITTED
<br />CITY OF EVERETT AND THE STATE DEPARTMENT OF ECOLOGY WILL
<br />UNTIL WATER QUALITY MONITORING INDICATES THAT
<br />CLEAN RUNOFF IS
<br />COORDINATE ENFORCEMENT EFFORTS
<br />FOR WATER QUALITY AND EROSION
<br />LEAVING THE SITE.
<br />CONTROL, AS DEFINED IN THE CITY
<br />OF EVERETT DESIGN AND CONSTRUCTION
<br />STANDARDS AND THE CONSTRUCTION
<br />STORMWATER GENERAL PERMIT.
<br />GRADINGWET SEASON NOTES
<br />.(OCTOBER 1 THROUGH APRI 4®
<br />1. THE CONSTRUCTION SEQUENCE SHALL BE MODIFIED TO MINIMIZE THE
<br />AREA OF UNSTABILIZED SOIL.
<br />2. EARTHEN AREAS THAT ARE SUBJECT TO CONTRIBUTING SEDIMENTS
<br />DURING STORM EVENT AND WHERE EARTH MOVEMENT iS NOT
<br />ANTICIPATED FOR 46®HOURS SHALL BE STABILIZED USING BMP
<br />MEASURES IN THE FOLLOWING NOTES.
<br />3. WET SEASON TESC MEASURES WILL BE EXPANDED TO INCLUDE
<br />�. INSTALL A SECOND SILT FENCE, 10-FEET INSIDE OF THE ORIGINAL
<br />SILT FENCE
<br />b. INSTALL A SEDIMENT POND DESIGNED TO ACCOMMODATE A 25-YR,
<br />24-HOUR STORM
<br />c. A PLAN TO PUMP WATER FROM THE SEDIMENT POND TO A
<br />GRASSY AREA ON THE SITE WHEN DISCHARGE FROM THE SEDIMENT
<br />POND IS 'MUDDY', PRIOR APPROVAL BY THE CITY REQUIRED.
<br />d. BUILDING MATERIALS SHALL BE STOCKPILED ON THE PAVED ROAD
<br />SURFACE (REDUCES "TRAFFIC" ON EARTHEN STRUCTURES)
<br />4. SOILS SHALL NOT BE DISTURBED EXCEPT FOR ACTUAL CONSTRUCTION
<br />ACTIVITIES. PARKING IS ALLOWED ONLY ON PAVED AND/OR ON GRAVEL
<br />SURFACES.
<br />5. SLOPES 6% AND GREATER WITHOUT ESTABLISHED GROUNDCOVER WILL BE
<br />STABILIZED WITH PLASTIC SHEETING, 6-MIL (MINIMUM), THE SHEETING
<br />SHALL BE ANCHORED WITH SAND BAGS LOCATED 5-FEET APART ON THE
<br />PERIMETER AND 10-FEET ON CENTER OF THE REMAINDER OF THE
<br />SHEETING. MINIMUM OF 2-FEET OVERLAP IS REQUIRED FOR OVERLAPPING
<br />SHEETS.
<br />6. WATER DISCHARGED FROM THE SITE WILL BE MONITORED BY THE OWNER
<br />REPRESENTATIVE FOR TURBIDITY. MAXIMUM ALLOWABLE TURBIDITY OF
<br />DISCHARGED WATER WILL BE 25 NTU OR LOWER, OR 5 NTU BELOW
<br />BACKGROUND FOR RECEIVING BODY OF WATER, WHICHEVER IS HIGHER
<br />7. WHEN RAINFALL IS HEAVY (DEFINED AS RAINFALL HARD ENOUGH TO
<br />PRODUCE SEDIMENT RUN-OFF FROM EXPOSED DIRT), ALL EXPOSED
<br />EARTHWORK SHALL BE COVERED. NO OTHER CONSTRUCTION ACTIVITY
<br />SHALL OCCUR ON PERVIOUS SURFACES DURING THESE PERIODS OF
<br />HEAVY RAIN,
<br />6. ALL DRAINAGE SWALES SHALL BE FULLY VEGETATED, SWALES SHALL BE
<br />SODDED IF THE VEGETATION GROWING IN THE SWALE IS INSUFFICIENT TO
<br />PROVIDE WATER QUALITY AND TO PREVENT EROSION OF THE SWALE.
<br />9. SEE ALSO CONSENT DECREE FOR THE LANDFILL SITE ON NT2.
<br />(OCTOBER 1 THROUGH s,
<br />INSTALLATION1. UTILITY r SHOULD B SCHEDULED AROUND
<br />_ )�
<br />THE PREDICTED WEATHER FORECASTS. EXCAVATION is -.
<br />TRENCHES SHOULD BE LIMITED TO THE AMOUNT THAT MAY
<br />BE INSTALLED AND BACKFILLED IN A DAY. PLASTIC SHEETING SHALL BE
<br />USED TO COVER ALL STOCKPILES THAT
<br />L REMAIN
<br />SUFFICIENT PLASTIC SHEETING SHALL r STOCKPILED OSITE VERNIGHT.
<br />TO COVER
<br />ALL TEMPORARY STOCKPILED SOIL IN THE EVENT OF AN UNEXPECTED
<br />STORM EVENT. COMPLY WITH ALL REQUIREMENTS OF CHAPTER 296-15r-i
<br />WAG, PARTFOR ENSURING TRENCH SAFETY.
<br />2. LIMIT EARTH DISTURBING ACTIVITIES TO DRY WEATHER DAYS.
<br />RE-ESTABLISH COVER AS SOON AS CONSTRUCTION ACTIVITY
<br />COMPLETE.
<br />SHALL3. COVER MEASURES ,, r IMMEDIATELY -
<br />•R ACTIVITY.• AREAS EXPOSED
<br />SHALL REMAIN UNCOVERED UNLESS ACTIVELY BEING WORKED.
<br />4. SEE ♦ • CONSENT DECREE FOR D
<br />5. CRUSHED ROCK AS APPROVED BY THE GEOTECHNICAL ENGINEER SHALL
<br />BE USED FOR ALL UTILITY TRENCHDURING WET WEATHER,
<br />UNLESS AUTHORIZED OR APPROVED BY THE CITY, GEOTECHNICAL
<br />ENGINEER, r
<br />z
<br />Vr�-�: 1II �s f1 C% s �
<br />Drawn By Date
<br />P. HOUGHTALING 5 15 19
<br />Designed By
<br />V. WEN 8 4L5L19
<br />Checked By
<br />Approved By Project Number
<br />C. DONNER 15 19 20150004,005
<br />
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