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Litility, Specifications
Sanitary Sewer Notes and SpecifficatJons
THESE NOTES SHALL APPEAR ON PROJECTS FOR T-HE WASTEWATER U-TILITY,
1. All work and work material shall be in conformance with the standards and specifications
of the City of Renton Planning/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 & Specifications. A set of approved plans
shall be kept on site at all times during construction.
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 Planning/Building/Public Works Department.
An approved traffic control plan r;,,;st be obtained prior to beginning any work within
public 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 he 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 backfilling 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 nigust be on the job site whenever construction is in
progress.
9. The contractor shall provide Lhe City of Renton with at-, as -built drawing of the sanitary
sewer system, which has been stamped anc-11 signed by a licensed professional engineer
or licensed professional surveyor,
10, Backfill shall be placed equally or Ly-Ah sides of the pipe in layers with a loose average
depth of 6 inches, maximum depth of 8 merles, thoroughly ramping each layer to 95
percent of maximum density. Tbe-,re 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 pip( A shall be rh,- same as desc,-ibed,
11, Open out road ci oil -sings fr;r utility tiendle,,S L--,,[) existing traveled roadway shall be
ba,ckfilled with crushed rock and mechanicaik, compacted unless otherwise approved by
12, Datum for Vertical Control shall be North American Vertical Datum 1988 Meters, and for
Horizontal Control shall be Ncilh American Datum 1983/1991 Meters unless otherwise
approved by the City of Renton Public Work-s Department Reference benchmark and
elevations are noted or the plans.
13, All disturbed areas shall be seeded an-1 mulched. or otherwise stabilized to the
satisfaction of the Departmentfol-- the prevention of on -site erosion after the completion
of construction.
114, All pipe and appurtenances shall be laid on a properly prepared foundation in
accordance with the standards and specifications of the City of Renton
Planning/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 & 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 p0e.
15. Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gasketed ASTM D 3034,
SDR 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 ring poured at grade.
In paved area, cover must slope in all directions to match paving.
7'
1 C N '4 "HE �1) F iHE NIE I
SEC-1-140N 14, TUNW�__SHIP NORTH, RANGEE 5 EAST, W.M.
T r-
I WON D Y OF RE-_NTON, I ATL OF WASHIN" T
NOT TO SCALE
MANI-I(Xf FRAME AND COVER
SEE STD. PLAN 44')l
ADJUSTMENT RINGS (2' WN-)
SEE NOTE 6
MORTAR "NT(S) (3/8- MIN-)
SEE NOTY 5
(-.()NE (ECCENTRIC)
RUBBER GASKETFID JCANTS IN
ACCORDANCE WTH ASTM C-443
STEPS -- POLYPROPYLENE STEPS
SHALL BE, INCLUDED
CONCRETE RISER BY PIPE INC.,
)R APPROVED EQUAL.
.-ADDER --POLYPROPYUNE
SHALL BE ATTACHED TO MANHOLE
MAX- POPE. SIZE - 'E'
CONCRETE SHELF
PRECAST BASE SECTION
OR CAST IN SHELF
'A' If'
48MH 48" MfN_ 5 "I
1 D'
24' MtK
E.
21 * 1. D.
54 _MH J_ 54- B' MIN. 5.5' HIN.
24' MIN.
24' I.D.-
60" r MIN. 6" Milsl:
42" MIN
30' 1. D.
Q11-5-
1, STEPS TO BE POLYPROPYLENE SAFETY STEPS
2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS ARE INSTALLED,
3, CASTING SHALL BE PER STD_ PLAN 4C71.
4 MANHOLE SECTIONS TO BE Of REINFORCED PRECAST CONGREIE.
5 r T1 ALL JOINTS, BETWEEN THE CONE, RISER RINGS, BRICKS AND CASING SHALL BE GROUTED
F, AD-USTMENT OF THE CASTING TO GRADE SHALL HE ACCOMPLISHED *TH A COMBINATION OF
ADJUSTMENT RINGS, BRJC#(S At MORTAR QNL,. BRICKS SHALL BE STAC�RED TO CREATE A RUNNING
POND OR 112 BOND. !HE USE Of _15HIlis 1a_P_RWWL1U
7 SANOARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING,
COATED (SEALED) WITH A HIGH SOLIDS URFTH):NE COATING; WASSER MC-AROSHIELD OR
APPROVED EQUAL COLOR OF COATIN3 SHALL 3E WHITE
8 RUBBER GASKETED JOINTS SHALL BE, It. CONFO,'.IANCE ASTM G -443
9, CHANNEL HEIGHT ',HAU- BE A MINIMUM OF 3/4 'iF THE DIAMETER OF 11HE LARGEST PIPE.
10. CONNECTIONS TO MANHOLF SHALL BE MADE USING GPI`( PTOJR, KOR-N-SEAL BOOTS OR
APPROVED EQUAL_
11. IN UNIMPROVED AREAS, MANHCXES SHALL EXTF40 A. OF 6' AND A MAXIMUM OF 12'
ABOVE FINISHED GRADE OR MUST HAVE A WIN Aii:J0 2 DIAMILIER CONCRETE RINGS POURED Al GRADE.
IN PAVTT) AREAS, COVER MUST S)-CAPE IN ALL 1:IF:fCTiONS TO MAT(-,,H PAVING.
9111,1PIAN . 4001
PUBLIC WORXB
DEPARTMENT `�PPTEkBER 2011
LANE UNE
MARKING
STANDARD 'VMEEL. PATH
r—, -7—
_3' 4.5'
MIN., MIN, MIN-
ACP CL ASS*
MIN. MIN,
6' CRUSHED
2" CLASS 'B' SURFACING TOP
COURSE
2' SAWCUT AND REMOVE EDGE OF PAVEMENT,
OR GRIND, SEAL NTH EDGE OF CURB & CUTTER,
AR400OW OR CENTER OF LANE LINE
2.5' ----1
MIN.
CRUSHED ROCK, FLOWABLE FILL
OR AS REQUIRED BY ENG4NEFR
*MINIMUM ACP CLASS 'E' or '9' SHALL. BE:
PRINCIPAL /MINOR /COLLEC TOP ARTERIAL STREETS & INDUSTRIAL
ACCESS STREETS — 6' ACP CLASS 'E' or 'B',
RESIDENTIAL ACCESS STREETS — 2' ACP CLASS 'E' or 'H'
N 01 TE:
UPON RIEWEST OF ENGIINIEER, NEW ROADWAY PAVEMENT
SECTION MAY BE DESIGNED 09ING AN APPROVED METHOD FOR TYPICAL LONGMIDINAL PATCH AND OVERLAY
DETERMINING PAVEIMEN1 THILCKNESS.
POR FTLEXIFILZ PAVEMENT
ADOP'TED
(IT", (W RAWTtw
Lffr DAM OZ/05
DW gg
BY PIR DWG. NAME: H032 SP PAGE:HO32
6' BUILDING SEWER PIPE
TFF WITIi 6" SIDE OUTLET
�5-,--StQi-Y-lvEg--,9NQ--1,gjL.c4tle--SE*i%-
"! 3:5 MIX
CONCRIETE
BLOCKING
PROPERLY LINE
"T+
URE
BUILDING SEWER
�,�_2". 4" STUD MARKING POST PAIN -TIED
L6,X6_X6, WYE VMITE VATH THE WORD *SF'0IIER_ STFWXED
>_ SURFACE CLEANOUT WITH
IN 3" HIGH RLACX. LIE TTERS AND 05 WIRE
ty CAST IRON RING & COVER
Uj (EAST "DAN IRON WORKS WRAPPED ARCONO THE STIA) AND
EXTENDED TO 111E TOP Of iHE "TDO.
ffi 2975 OR APPROVED FWAJ,
a, SPECIFY 'SEWER' ON UD
SEE STD. PLAN *03,1 FOR
INSTALLATION)
ACCEPIABLE PROCEDURES FOR SIDE SEWER CONNECTIONS TO WAIN
LINES ARE AS FOLLOWS-
A- VITRIFIED CLAY MAIN - CUT IN A NEW TEF USING FLE)OBLE
D_)UPUNGS 1,FFRNCO OR APPROVED EQUAL),
B. CONCRETE WAIN - CORE -DRILLED WITH A ROMAC SALE DR
APPROVED FWAL)-
%t PVC MAIN - 0-R AP"O -CORE-C"LLED WITH k ROMAC SADDLE i
EQUAL) OR CUT IN A NEW TEE USING RIGA) CXAA"G-_;
D. DUCTILE IRON MAIN -- CORE-DRfLI-ED WITH A ROMAC SADDLE (OR
APPROVED EQUAL)
E_ MANHOLE CONNECTION - ALI CONNECTIONS TO MANHCA_ES SHALL E*
AT MANUFACTURED KNOCK -OUTS OR THE.
-)rR!iCI1_JRE SHALL BE CORF-DRIII-LED
60" ALLOWABLE MAX.
FOR CAST IRON PIPE
OR DUCTILE IRON PIPE,
5" SIDE OUTLET TEE
--SF*IER
ANQLL
Of_ J1L_A1M_ALN O'ER 25
LUYA UQN
cpi
2% MIN_ SLOef-
HORIZONTAL
`-SEWER MAIN
VA 02i
N 0 1 E.
UNILESS 0711ERWISE SHOVIN ON PLAN., SIDE SEWER SHALT f�.,kvv
A MINIMUM 2-5' COVER AT PROPERTY LINE OR L&W
!HAN II -IF L(_)WF9T HOUSE ELEVATION, WHICHEVER IS
F
PUBLIt_: WORKS
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BY ENGiNE, ANT,` /NFORIVA
BY CONTRACTaf,�
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