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SCALE: H: 1" = 40'
V: 1 " =4'
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SANITARY SEWER NOTES & SPECIFICATIONS
1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE
STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON AND THE
LATEST EDITION OF THE WSDOT /APWA STANDARDS AND
SPECIFICATIONS.
2. THE HOURS OF WORK IN THE STREET RIGHT -OF -WAY SHALL BE
LIMITED TO 8:30 A.M. TO 3:30 P.M. ON WEEKDAYS UNLESS
OTHERWISE APPROVED IN WRITING BY THE TRANSPORTATION
DIVISION AT 277 -6222. ALL STREET CLOSURES, PARTIAL OR FULL,
SHALL BE APPROVED BY THE TRANSPORTATION DIVISION 24 HOURS
IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911
SHALL BE NOTIFIED 24 HOURS IN ADVANCE.
3. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD
SPECIFICATIONS FOR MUNICIPAL PUBLIC WORKS CONSTRUCTION"
PREPARED BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC
WORKS ASSOCIATION, LATEST EDITION (APWA) AND CITY OF RENTON
STANDARD SPECIFICATIONS.
4. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE
AND IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE
TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR
DISTURBANCE.
5. A PRECONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL
BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT SHALL BE
THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY
PERMITS PRIOR 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.
6. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS
AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF
WORKERS AND OTHERS ON THE CONSTRUCTION SITE.
7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN
STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY
CONSTRUCTION.
8. PLANS APPROVED BY THE CITY OF RENTON, DEVELOPMENT SERVICES
DIVISION, SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS.
9. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE
WHENEVER CONSTRUCTION IS IN PROGRESS.
10. THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH AN
AS -BUILT DRAWING OF THE SANITARY SEWER SYSTEM WHICH HAS
BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER
OR LICENSED PROFESSIONAL SURVEYOR.
11. BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN
LAYERS WITH A LOOSE AVERAGE DEPTH OF 6 INCHES, MAXIMUM
DEPTH OF 8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95
PERCENT OF MAXIMUM DENSITY. THESE COMPACTED LAYERS MUST
EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO
THE SIDE OF THE TRENCH. MATERIALS TO COMPLETE THE FILL OVER
PIPE SHALL BE THE SAME AS DESCRIBED.
SANITARY SEWER LINE #2 PROFILE 2
SCALE: H: 1" = 40'
V: 1 " =4'
12. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING
TRAVELED ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK
AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING
ASPHALT SHALL BE NEATLINE CUT WITH SAW IN A CONTINUOUS
LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY
AFTER BACKFILL AND COMPACTION. A PERMANENT HOT MIX PATCH
SHALL BE PLACED WITHIN 10 DAYS AND SHALL BE PER CITY OF
RENTON CURRENT STANDARDS.
13. DATUM SHALL BE CITY OF RENTON, U.S.C. AND G.S.
14. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR
OTHERWISE STABILIZED TO THE SATISFACTON OF THE DEPARTMENT
FOR THE PREVENTION OF ON -SITE EROSION AFTER THE COMPLETION
OF CONSTRUCTION.
15. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY
PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7- 02.3(1)
OF THE CURRENT STATE OF WASHINGTON STANDARD
SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION. THIS
SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR
THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT
AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM
GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE
SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. PIPE
BEDDING SHALL BE PEA GRAVEL 6" ABOVE AND BELOW THE PIPE.
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