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SURVEYING 8 ENGINEERINGY
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3721 S. 352ND ST.
AUBURN, WA. 98001,
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206 - 874 -0158
SANITARY SEWER NOTES & SPECIFICATIONS:
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1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARLS
AND SPECIFICATIONS OF THE CITY OF RENTON AND THE LATEST EDITION
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OF THE WSDOT /APWA STANDARDS AND SPECIFICATIONS.
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WORK -OF -WAY SHALL BE LIMITED TO
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2. THE HOURS OF IN THE STREET RIGHT
8:30 A.M. TO 3:30 P.H. ON WEEKDAYS UNLESS OTHERWISE APPROVED IN
WRITING BY THE TRANSPORTATION DIVISION AT 277 -6222. ALL STREET
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CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE
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TRANSPORTATION 24 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE
DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE.
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3. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD
SPECIFICATIONS FOR MUNICIPAL PUBLIC WORKS CONSTRUCTION" PREPARED
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BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC WORKS ASSOCIATION,
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LATEST EDITION (APWA) AND CITY OF RENTON STANDARD SPECIFICATIONS.
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4. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT
SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE TRUE AND
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CORRECT LOCATION SO AS TO AVOID DAMAGE OR DISTURBANCE.
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5. A PRECONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL BE
REQUIRED PRIOR TO STARTING CONSTRUCTION. IT SHALL BE THE
CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR
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TO STARTING CONSTRUCTION. (INSPECTION WILL BE ACCOMPLISHED BY A
REPRESENTATIVE OF THE CITY OF RENTON.) IT SHALL BE THE
CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE CITY INSPECTOR 24 HOURS
IN ADVANCE OF BACKFILLING ALL CONSTRUCTION.
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6. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND
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SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND
OTHERS ON THE CONSTRUCTION SITE.
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7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET
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USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION.
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8. PLANS APPROVED BY THE CITY OF RENTON, DEVELOPMENT SERVICES
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DIVISION, SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS.
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9. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
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10. THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH AN AS -BUILT
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DRAWING OF THE SANITARY SEWER SYSTEM WHICH HAS BEEN STAMPED AND
SIGNED BY A LICENSED PROFESSIONAL ENGINEER OR LICENSED
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PROFESSIONAL SURVEYOR.
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11 . BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN
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LAYERS WITH A LOOSE AVERAGE DEPTH OF 6 INCHES, MAXIMUM DEPTH OF
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8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95 PERCENT OF
MAXIMUM DENSITY. THESE COMPACTM LAYERS MUST EXTEND FOR ONE PIPE
DIAMETER N EACH SIDE OF THE PIPE
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MATERIALS TO COMPLETE THE FILLIOVERRPIPETSHALL BE THEHSAMEEASH•
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DESCRIBED.
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12. OPEN CUT ROAD CROSSINGS FOR L7ILITY TRENCHES ON EXISTING TRAVELED
ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY
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COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLINE CUT
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WITH SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE
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PLACED IMMEDIATELY AFTER BACKFILL AND COMPACTION: A PERMANENT
PATCH SHALL BE PLACED WITHIN 10 DAYS AND SHALL BE PER
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' CITY OF RENTON CURRENT STANDARDS.
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13. DATUM SHALL BE CITY OF RENTON, U.S.C. AND G.S..
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14. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE
STABILIZED TO THE SATISFACTION OF THE DEPARTMENT FOR THE
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PREVENTION OF ON -SITE EROSION AFTER THE COMPLETION
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15. ALL PIPE AND APPURTENANCES SHALL BE LAYED ON A PROPERLY PREPARED
FOUNDATION IN ACCORDANCE WITH SECTION 7- 02.3(1) OF THE CURRENT
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STATE OF WASHINGTON STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE
CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH
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BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT
MATERIAL TO UNIFORM GRADE SO
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XND COMPACTION OF REQUIRED BEDDING
THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A
UNIFORMLY DENSE UNYIELDING BASE. PIPE BEDDING SHALL BE PEA GRAVEL
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6" ABOVE AND BELOW THE PIPE.
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16. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER
GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 50.
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6 AND MAXIMUM
17. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM INCH
18 INCH ABOVE FINISHED GRADE. IN PAVED AREAS,: COVER MUST SLOPE
IN ALL DIRECTIONS TO MATCH PAVING.
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GANTZ, LENe
SURVEYING 8 ENGINEERINGY
s
3721 S. 352ND ST.
AUBURN, WA. 98001,
Ea IR S �:r 9le j
206 - 874 -0158
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GANTZ, LENe
SURVEYING 8 ENGINEERINGY
s
3721 S. 352ND ST.
AUBURN, WA. 98001,
Ea IR S �:r 9le j
206 - 874 -0158
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