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SANITARY SEWER NOTES AND SPECIFICATIONS
1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND
SPECIFICATIONSOF 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 AM
TO 3:30 PM ON WEEKDAYS UNLESS OTHERWISE APPROVED BY THE
TRANSPORTATION DIVISION AT (425) 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.
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 PER 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 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 rFORM GRADE SO THAT THE ENTIRE LENGTH OF PIPE WILL
BE SUPPORTED ON A Ul F.ORMLY DENSE UNYIELDING BASE. PIPE BEDDING SHALL BE
PEA GRAVEL 6 INCHES ABOVE AND BELOW THE PIPE.
16. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED
ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 50.
17. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 18
INCHES ABOVE FINISHED GRADE. IN PAVED AREAS, COVER MUST SLOPE IN ALL
DIRECTIONS TO MATCH PAVING.
j
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2 "x 4" STUD SERVICE MARKER PAINT UPPER
\ -TEE WITH 6" SIDE OUTLET PORTION WHITE ANS STENCIL ON SIDE
WORDING 'SEWER' WITH HIGH BLACK I ETTEP.S.
AND :6 WIRE WRAPPED AROUND THE STUD AND
SIDE SEWER. AND BUILDING SEWER EXTENDED TD THE TOP GF THE STUD.
J UNLESS - WISE APPPOVED 3Y T-_ CITY, MAKE TAP THROUGH CAST
i
PON SADDLE ECURED TO SE' ,rR MAIN 'WITH STAINLESS STEEL BANDS
`WHEN CONN_CTSING NEV SIDE SEWERS TO EXISTING MAIN.
60" ALLOWABLE MAX. 'NITRIFIED CLAY, PLAIN A.ND REINFORCED CDNCRETE. DI PIPE AND Cl
FOR CAST IRON PIPE PIPE SEWER MAINS ARE TO BE CDRE DRILLED
OR DUCTILE iP.ON PIPE.
1,15 nix ltNaN"
C- TE �y N F- Ali
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HORIZONTAL
l 5" S(LC OUTLET TEE
sauT�- `-SEWER MAIN
.. SEWER MAIN
CQNCRE.TE BLOCKING ANGLE
OF TEE AT MAIN OVER 25 TYPICAL SIDE SEWER'. ELEVATION
ELEVATION
NOTE,
UNLESS. OTHERWISE SHOWN ON PLAN, SIDE SEVER SHALL HAVE A MINIMUM 5' CD�_R AT PRGPERTY
LINE DR 3 -5' LGWER THAN THE LOWEST HOUSE ELEVATION, WHICHEVER IS LOVER-
SIDE SEWER INSTALLATION DETAIL
NO SCALE
245
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DETPti
SANITARY SEWER PROFILE
-- — SCALE; 1 " =2O' HORIZ - - —
1` --5' VERT
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OR EQUAL. PT.9714 C
SEE DETAIL 5.1.4.
.DJUSTMENT ( N
CONE
YORTA.R .C)INTS
STEPS - 3/4" DEFORMED BAR
STEPS SHALL BE INCLUDED
CONCRETE RISER. BY PIPE INC., G
OR APPROVED EQUAL
In
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Z
MAX. PIPE SIZE - 21" I.D
LADDER -STD- ALUMINUM
OR GALVANIZED STEEL
CONCRETE SHELF
PRECAST BASE SECTION
OR CAST IN SHELF.
NOTE:
SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR
SURFACES, INCLUDING CHANNELING, COATED (SEALED)
WITH A HIGH SOLIDS URETHANE COATING;
WASSER MC- CONSEAL OR APPROVED EQUAL;
COLOR OF COATING SF...�L BE WHITE.
SANITARY MANHOLE DETAIL
NO SCALE
pw-mol
245
240
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JAMES E HAYNES PE
37234 22 "D AVENUE SOUTH
DA FEDERAL. WAY, WA 98003
(253) 661 -6794
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