HomeMy WebLinkAboutR-419251LL
SANITARY SEWER NOTES AND SPECIFICATIONS
CRI
0) 1 ALL WORK AND WORK MATERIAL SHALL BE IN CONFORMANCE WITH THE STANDARDS AND
Rll� SPECIFICATIONS OF THE CITY OF RENTON PLAN NING/BU I LOING/PUBLIC WORKS DEPARTMENT
47 AND THE LATEST EDITION OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS, AS
C) APPROVED AND MODIFIED BY THE CITY OF RENTON IN THE RENTON STANDARD PLANS &
SPECIFICATIONS. A SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL TIMES
DURING CONSTRUCTION.
ILL]
2. THE HOURS OF WORK IN THE STREET RIGHT OF WAY SHALL BE PER CITY SPECIFICATIONS
ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE
PICANNING/BUILDINGDOPUBLIC WORKS DEPARTMENT. AN APPROVED TRAFFIC CONTROL PLAN
MUST BE OBTAINED PRIOR TO BEGINNING ANY WORK WITHIN PUBUO RIGHT OF WAY.
3. 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.
4, A PRE —CONSTRUCTION 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 PUBLIC WORKS INSPECTOR 24 HOURS IN
ADVANCE OF BACKTILLING ALL CONSTRUCTION.
5. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS AND SEQUENCES OF
CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION
SITE.
6. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY
OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION.
7. PLANS APPROVED BY THE CITY OF RENTON PUBLIC WORKS DEPARTMENT SHALL TAKE
PRECEDENCE OVER ALL OTHER PLANS.
8. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
9. 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.
10. BACKTILL 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.
11. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY
SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED UNLESS
OTHERWISE APPROVED BY THE CITY.
12. DATUM FOR VERTICAL CONTROL SHALL BE NORTH AMERICAN VERTICAL DATUM 1988
METERS, AND FOR HORIZONTAL CONTROL SHALL BE NORTH AMERICAN DATUM 1983/1991
METERS UNLESS OTHERWISE APPROVED BY THE CITY OF RENTON PUBLIC WORKS
DEPARTMENT. REFERENCE BENCHMARK AND ELEVATIONS ARE NOTED ON THE PLANS.
13. ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO
THE SATISFACTION OF THE DEPARTMENT FOR THE PREVENTION OF ON —SITE EROSION
AFrER THE COMPLETION OF CONSTRUCTION.
14. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION
IN ACCORDANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON
PLAINNING/BUILDING/PUBLIC WORKS DEPARTMENT AND THE LATEST EDITION OF THE
WSDOT/APWA STANDARDS AND SPECIFICATIONS, AS APPROVED AND MODIFIED BY THE CITY
OF RENTON IN THE RENTON STANDARD PLANS CIA SPECIFICATIONS. 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 INCHES
ABOVE AND BELOW THE PIPE.
15. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D
3034, SOP 35, OR DUCTILE IRON CLASS 50, UNLESS OTHERWISE APPROVED BY THE
WASTEWATER UTILITY.
16. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 12
INCHES ABOVE FINISHED GRADE OR MUST HAVE MINIMUM 2' DIAMETER CONCRETE RINC
POURED AT GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH
HAVING.
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PERMIT RESUBM17AL 12/20/21
PERMIT RESUBM17AL 3/4/22
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S-419207
R-419250
I IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
DOI 04/13/2022
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Planning/Building/Public Works Dept. SEWER DETAILS C
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