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CITY OF RENTON
SANITARY SEWER NOTES AND 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-WAY 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 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, PUBLIC WORKS DEPARTMENT 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. DATUM SHALL BE CITY OF RENTON, U.S.C. AND G.S.
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 AFTER THE COMPLETION OF CONSTRUCTION.
14. 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 INCHES ABOVE AND BELOW THE PIPE.
15. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM D 3034, SDR 35, OR
DUCTILE IRON CLASS 50.
16. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 18 INCHES ABOVE FINISHED
GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING.
1 /2" WEB 8 PL.
FRAME (NON -LOCKING
RAISE-
1/2"
WIDE BORDER
SANITARY SEWER NOTES AND DETAILS
H'I
0
3/4"-
. .1
WINDSTOAFE II
A PORTION OF THE SE 1/4 OF SEC. 31 T. 237 R. 5E, W.M.,
KING COUNTY, WASHINGTON
3/4" SQUARES SPACED - 3/4"
AS INDICATED - HT. 1 /8"
r-1 /2"
5/8"
,2 7 8 4'
�7:-
813/4"
8'
15"
CAST IRON RING AND COVER
PIPE MATERIAL AS
BY THE ENGINEER
12 "/ C
FIBEF
PACK
45' (1 /8)
PLUG TO BE SEALED
IN SAME MANNER AS
MAIN SEWER JOINTS.
6" OR 8* CLEAN -OUT DETAIL
NOT TO SCALE
'tox 3" x 3/8" NON-SKID
ERN CAST INTEGRAL ON TOP
COVER (NON -LOCKING)
FOR 5/8"-11 N.C. x 1-1/4"
B S.S. SOC. HD. CAP SCREW (3 REQ D.)
TYP. TYP. NON-SKID PATTERN
0 D�Q o
°o° _o B
TAP 5/8"-11 N.C.
ON 23" B.C.(TYP. 3 PL.)
FRAME (LOCKING)
IJJ-1/4 -
SECTION A -A
13/8"
5/8" 3/8" 11-
2"
1 SEAT- I- II
-1 I-2-1 /2"
25"
2" RAISED LETTERS AS
REQ'D. SEE NOTE No.3 BELOW SECTION B-B
UNDERSIDE SHOWN FOR CLARITY
3/4" CORE (TYP.) ON 23" B.C.
1-1/2" CORE(TYP.) (LOCKING)
COVER
NOTES:
1. FOR NON -LOCKING USE OLYMPIC FOUNDRY No. MH 30 OR EQUAL.
2. FOR LOCKING LID USE OLYMPIC FOUNDR
CIFY "DRAIN" Y No. MH 30 D/T OR EQUAL.
3 SANITARY (SPECIFY "SEWER") USE FRAME AND COVER FOR SR ORWATER(SPECIFY "WA R' )OVER),
MANHOLE FRAME AND COVER DETAIL
NOT TO SCALE
CONCRETE
CLASS 3000
BACKFILL MATERIAL
(SEE NOTE 5)
CONCRETE CLASS C
(SEE NOTE 8)
FOUNDATION LEVEL
BACKFILL MATERIAL
(SEE NOTE 5) -
BEDDING MATERIAL
FOR RIGID PIPE
(SEE NOTE 6) -
FOUNDATION LEVEL
BEDDING MATERIAL
FOR FLEXIBLE PIPE
(SEE NOTE 7) -
FOUNDATION LEVEL
(SEE NOTE 4
17
(CLASS A DESIGN)
(SEE NOTE 4
LIMITS OF PIPE ZONE
LIMITS OF PIPE ZONE
(CLASS B, C, D, DESIGN)
BEDDING FOR RIGID PIPE
rW (SEE NOTE 4) LIMITS OF PIPE ZONE
11 0"
NOTES:
1. PROVIDE UNIFORM SUPPORT UNDER BARREL.
2. HAND TAMP UNDER HAUNCHES.
3. COMPACT BEDDING MATERIAL TO 95% MAX. DENSITY EXCEPT DIRECTLY OVER PIPE,
HAND TAMP ONLY.
4. SEE "EXCAVATION AND PREPARATION OF TRENCH" IN THE WITARY SEWERS SECTION
OF THE STANDARD SPECIFICTATIONS FOR TRENCH WIDTH `W ' AND TRENCHING OPTIONS.
THE PIPE ZONE WILL BE THE ACTAUL TRENCH WIDTH, EXCEPT FOR CLASS A
BEDDING. THE MINIMUM CONCRETE WIDTH SHALL BE 1-1/2 I.D. + 18".
5. TRENCH BACKFILL SHALL CONFORM TO "BACKFILLING SEWER TRENCHES" IN THE
SANITARY SEWERS SECTION QF THE STANDARD SPECIFICATIONS, EXCEPT THAT ROCKS
OR LUMPS LARGER THAN 1' PER FOOT OF PIPE DIAMETER SHALL NOT BE USED IN THE
BACKFILL MATERIAL.
6. SEE "BEDDING MATERIAL FOR RIGID PIPE" IN THE AGGREGATES SECTION OF THE
STANDARD SPECIFICATIONS FOR THE MATERIAL SPECIFICATIONS.
7. SEE "BEDDING MATERIAL FOR FLEXIBLE PIPE" IN THE AGGREGATES SECTION OF
STANDARD SPECIFICATION FOR THE MATERIAL SPECIFICATIONS.
8. PIPE MUST BE ANCHORED IN SUCH A MANER AS TO ENSURE FLOW LINE IS
MAINTAINED.
BEDDING CLASS DESIGN
DIMENSION
CLASS A
CLASS B
CLASS C
CLASS D
CLASS F
A
4" MIN.
1 /4 I.D.
1 MAX.
*
*
ZERO
B
1/4 O.D.
1/2 O.D.
1/8 O.D.
ZERO
O.D.
C
3/4 O.D.
1/2 O.D.
1/8 O.D.
O.D.
-
* A = 4" MIN. 27" I.D. AND UNDER
6" MIN. OVER 27" I.D.
(CLASS F DESIGN)
BEDDING FOR FLEXIBLE PIPE
PIPE BEDDING FOR SANITARY SEWERS
NOT TO SCALE
PROPERTY LINE
3'-0" MIN. ; 6'-0" FUTURE
6" BUILDING SEWER PIPE BUILDING SEWER
Im
Z `
2"x 4" STUD SERVICE MARKER
PAINT UPPER
TEE WITH 6" SIDE OUTLET
PORTION WHITE ANS STENCIL
ON
SIDE
Of
RDING
HIGH BLACKS
6" SIDE
AND #6 WIREWERWRA PIED
AROUND
THE STU AND3"
SEWER AND BUILDING SEWER o i
EXTENDED TO THE TOP
OF THE
STUD.
ate'
UNLESS OTHERWISE APPROVED BY THE CITY MAKE TAP
THROUGH CAST
IRON SADDLE SECURED TO SEWER MAIN WITH STAINLESS STEEL BANDS
WHEN CONNECTING NEW SIDE SEWERS TO EXISTING MAIN.
VITRIFIED CLAY, PLAIN AND REINFORCED CONCRETE, D1 PIPE AND Cl
PIPE SEWER MAINS ARE TO BE CORE DRILLED
60" ALLOWABLE MAX.
FOR CAST IRON PIPE
OR DUCTILE IRON PIPE.
1:3:5 MIX -
CONCRETE
BLOCKING
6" SIDE OUTLET TEE
6" MIN. SEWER MAIN
CONCRETE BLOCKING ANGLE
OF TEE AT MAIN OVER 25
MP NGR�
G� 2% MIN SL
HORIZONTAL
SEWER MAIN
TYPICAL SIDE SEWER ELEVATION
PE
ELEVATION
NOTE:
UNLESS OTHERWISE SHOWN ON PLAN, SIDE SEWER SHALL HAVE A MINIMUM 5' COVER AT PROPERTY
LINE OR 3-5' LOWER THAN THE LOWEST HOUSE ELEVATION, WHICHEVER IS LOWER.
STANDARD SIDE SEWER INSTALLATION 1 1/4" HDPE
(SEWER MAIN TO PROPERTY LINE) PRESSURE LINE
(TYP.)
NOT TO SCALE
6" PVC
1 1/4" HDPE A 1 1/4" HDPE a SEWER MAIN
PRESSURE PRESSURE
LINE (TYP.) LINE (TYP.)
6" SIDE 6"x 1 1 /4" 6" SIDE 6"x 1 1/4" 6" SIDE 6"x 1 1 /4" 6" SIDE 6"x 1 1 /4"
SEWER WYE SEWER WYE SEWER WYE SEWER WYE
PLAN VIEW A4
SIDE SEWER FORCEMAIN CONNECTION DETAIL
NOT TO SCALE
3-J25404
SECTION A -A
6" SANITARY
SEWER CLEANOUT
By: Date:
By: Date:
By: Date
By: Date
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