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SANITARY SEWER NOTES
1, ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE
STANDARDS AND SPECIFICATION OF THE CITY OF RENTON
UTILITY DEPARTMENT AND THE LATEST EDITION OF THE
WSDOT/APWA STANDARDS AND SPECIFICATIONS,
2. ALL CONSTRUCTION SHALL BE 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.
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. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE MEANS, METHODS
AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS
AND OTHERS ON THE CONSTRUCTION SITE.
5. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN
STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY
CONSTRUCTION.
6. PLANS APPROVED BY THE CITY OF RENTON, PUBLIC WORKS
DEPARTMENT SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS.
7. A COPY OF THESE PLANS MUST BE ON THE JOB SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
8. 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,
9. 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.
10. 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 NEAT LINE 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.
11. DATUM SHALL BE CITY OF RENTON, 1988 NAVD.
12. 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.
13. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY
PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7 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 INCHES ABOVE AND BELOW
THE PIPE.
14. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC)
RUBBER GASKETED ASTM D 3034, SDR 35, OR DUCTILE IRON CLASS 50.
15. IN UNIMPROVED AREAS, MANHOLE TO EXTEND TO MINIMUM 6
INCHES AND MAXIMUM 12 INCHES ABOVE FINISHED GRADE. IN PAVED
AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING.
MORTAR
FILLET
MANHOLE FRAME AND COVER
SEE DRAWING BR29
NOTES:
ADJUSTMENT (4" MIN.)
1.
STEPS TO BE 3/4" 4 DEFORMED BAR GALVANIZED SAFETY
STEPS OR EQUAL
CONE
2.
STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS
ARE INSTALLED.
3.
CASTING TO BE PER DRAWING BR29.
RUBBER GASKETED JOINTS
4.
MANHOLE SECTIONS TO BE OF REINFORCED PRE -CAST
IN ACCORDANCE WITH ASTM C-443
CONCRETE.
5.
ALL JOINTS SHALL BE GROUTED.
STEPS - 3/4" DEFORMED BAR
6.
SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR
STEPS SHALL BE INCLUDED
SURFACES, INCLUDING CHANNELING, COATED (SEALED)
WITH A HIGH SOLIDS URETHANE COATING;
CONCRETE RISER BY PIPE INC.,
WASSER MC-CONSEAL OR APPROVED EQUAL;
OR APPROVED EQUAL.
COLOR OF COATING SHALL BE WHITE.
7.
RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE
WITH ASTM C-443.
8.
CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 THE INSIDE
DIAMETER OF THE LARGEST PIPE.
MAX. PIPE SIZE - 21" I.D.
9.
CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK
ADAPTER, KOR-N-SEAL BOOTS OR APPROVED EQUAL.
LADDER -STD. ALUMINUM
OR GALVANIZED STEEL
CONCRETE SHELF
PRE -CAST BASE SECTION
OR CAST IN SHELF.
SANITARY MANHOLE TYPICAL DETAIL
NOT TO SCALE
NOTE: A "FALL RESTRAINT" DEVICE IS
REQUIRED ON ALL MANHOLES GREATER
THAN 20 FEET IN DEPTH. TYPE
"SURETRACK" LADDER CLIMBING SYSTEM
OR APPROVED EQUAL.
SANITARY MANHOLE TYPICAL DETAIL
Y_ ADOPTED
DCv AG 'n CITY OF RENTON
- - - DCV AG
BY APPR'D STANDARD PLANS
LST DATE:12/96
DWG. NAME: BR28 SP PAGE: B071
10/17/96
EDITED TEXT
3/8/95
ADDED NOTE, EDIT TEXT
DATE
REVISION
24"x 6" FRAME AND LIP
PER DRAWING BR29.
IN
4" MIN. TO
12" MAX.
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NOTES:
1. STEPS TO BE 3/4" 0 DEFORMED BAR GALVANIZED SAFETY
STEPS OR EQUAL.
2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS
ARE INSTALLED.
3. CASTING TO BE PER DRAWING BR29
4. MANHOLE SECTIONS TO BE OF REINFORCED PRECAST
CONCRETE.
5. OPENING SHOULD BE ON DOWNSTREAM SIDE.
6. ALL JOINTS SHALL BE GROUTED.
7. 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 SHALL BE WHITE.
8. RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE
WITH ASTM C-443.
9, CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 THE INSIDE
DIAMETER OF THE LARGEST PIPE.
10, CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK
ADAPTOR, KOR-N-SEAL BOOTS OR APPROVED EQUAL.
EDITED NOTES
DCV
AG
3/8/95
EDITED NOTES
DCV
AG
DATE
REVISION
BY
APPR'D
SANITARY SHALLOW MANHOLE TYPE B
ADOPTED
. /_ � ♦ CITY OF RENTON
STANDARD PLANS
LST DATE: 12/96
DWG. NAME:BR37 SP PAGE:13072
CHECKED FOR COMPLIANCE
TO CITY STANDARDS
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Date
Date
RECOMMENDED
FOR APPROVAL
DALEY-MORROW-POBLETE, INC.
726 AUBURN WAY N.
AUBURN, WASHINGTON 98002
HONE: (253) 333-2200; FAX: (253) 333-2206
ENGINEERING - SURVEYING
LAND PLANNING
incorporcot�-::
i . � 17