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NOTE: ALL TREES TO BE A
MINIMUM OF 10' FROM
SANITARY MANHOLES
SANITARY_SEWER NOTES & SPECIFICATIONS
1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT
AND THE LATEST EDITION OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS.
2. THE HOURS OF WORK IN THE STREET RIGHT -OF -LAY SHALL BE LIMITED TO 8:30 A.M. TO 3:30 P.M. ON WEEKDAYS UNLESS OTHERWISE
APPROVED IN WRITING BY THE DEPARTMENT OF PUBLIC WORKS AT 235.2620. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE
APPROVED BY THE DEPARTMENT OF PUBLIC WORKS 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
UTILITY DEPARTMENT 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 Ui 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, PUBLIC WORKS DEPARMEMT 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 EMGINEER OR LICENSED PROFESSIONAL SURVEYOR.
it. BACKFILL SMALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE 1N 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 DE;CRIBEU.
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 TEMPORA:'tY
MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFILL AND COMPACTION. A PERMANENT NOT MIX PATCH SHALT. BE PLACED VITHIN W_
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 SATISFACTION 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.
50
16. SANITARY SEWER PIPE SMALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS f .
17. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCH AND MAXIMUM 18 INCH ABOVE FINISHED GRADE. IN PAVED AREA, COVER
MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING.
MH 02 RIM SHALL MATCH FINISHED GRADE.
-RAMS AND LIP
.
MH #2 STA 10+68 .......... _
AREVISION BY APPR
TO'P=37.7......... ..
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M:HI STA: 10+II IE 32.15
TOP37 7
84" MAX.
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SANITARY SHALLOW MANHOLE TYPE B
ADOPTED
CITY OF RENTON
Standard plans
(FV UST DATE-12/15/9.1
DWG. NAME
: :BR37 S P PAGE: B072