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Sanitary Sewer Notes and Specifications
THESE NOTES SHALL APPEAR ON PROJECTS FOR THE WASTEWATER UTILITY.
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 must 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 be 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.
S. A copy of these approved plans must be on the job site whenever construction is in
progress,
9. 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.
10. 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,
11.Open cut road crossings for utility trenches on existing traveled roadway shall be
backfilled with crushed rock and mechanically compacted unless otherwise approved by
12. Datum for Vertical Control shall be North American Vertical Datum 1988 Meters, and for
Horizontal Control shall be North American Datum 1983/1991 Meters unless otherwise
approved by the City of Renton Public Works Department. Reference benchmark and
elevations are noted on the plans.
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 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 pipe.
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.
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
WASTEWATER UTILITY }
dchristen 04/02/2019
DEVELOPMENT ENGINEERING
jchavez 03/29/2019 0�
SEAL WTH AR 4000 OR APPROVED
EQUAL AND DRY SAND AFTER
PATCHING
PLAN
NTS
PUBLIC SANITARY SEWER EXTENSION
A
DEPTH OF CLASS "B"
ASPHALT TO BE 2" BELOW
BOTTOM OF THE UPPER
ADJUSTMENT RING OR A
MINIMUM OF 8" WHICHEVER
S GREATER.
MORTAR JOINT(5) (3/8" MIN.) SEE
NOTE 3 AND SPECIAL PROVISION
7-05.3(1)
L ADJUSTMENT RING (1" MIN.) OR
BRICKS. SEE NOTE 4
S'F_ C I'O N-_A - A
NOTFS
1. REMOVE PAVEMENT AND BASE MATERIALS FOR A DISTANCE 3
ALL JOINTS BETWEEN THE CONE, ADJUSTMENT RINGS,
WHICH IS EQUAL TO THE DIAMETER OF THE FRAME PLUS FOUR
BRICKS AND FRALIE SHALL BE GROUTED
FEET, ADJUST CASTING FRAME TO PAVEMENT SURFACE
USING RISER RINGS OR CONCRETE BLOCKS PER STD PLAN 4
ADJUSTMENT OF THE FRAME TO GRADE SHALL BE
400.1.
ACCOMPLISHED WITH A COMBINATION OF ADJUSTMENT
RINGS, BRICKS AND MORTAR ONLY BRICKS SHALL BE
2 REPLACE EXCAVATED MATERIAL WITH A MINIMUM OF 8" OF
STAGGERED TO CREATE A RUNNING BOND OR 1I2 BOND. T!)
CLASS 'B" ASPHALT OR TO A DEPTH THAT IS 2" BELOW THE
USE OF SHIMS IS F±R0419ITEO.
801TOM OF THE UPPER ADJUSTMENT RING WHICHEVER IS
GREATER OR AS APPROVED BY THE ENGINEER.
SM. PIAN - KS TYPICAL UTILITY COVER _ _-
PUBLIC WOR,A PAO _ �-�.-"�._�..-
+� + ADJUSTMENT FOR
j DEPAR i MENT _l' Ctl't
PAVEMENT OR OVERLAY
S o"e�`. uww.. o DAiK
7' 1
L
'B'
}
NOT TO SCALE
MANHOLE FRAME AND COVER
SEE STD. PLAN 401
ADJUSTMENT RINGS (2" MIN.)
SEE NOTE 6
MORTAR JOINT(S) (3/8" MIN.)
SEE NOTE 5
CONE (ECCENTRIC)
RUBBER GASKETED JOINTS IN
ACCORDANCE WITH ASTM C-443
STEPS - POLYPROPYLENE STEPS
SHALL BE INCLUDED
CONCRETE RISER BY PIPE INC.,
OR APPROVED EQUAL.
LADDER -POLYPROPYLENE
SHALL BE ATTACHED -0 MANiOLE
MAX. PIPE SIZE - 'E'
CONCRETE SHELF
PRECAST BASE SECTION
OR CAS- IN SHELF.
A,
B,
:C,
1:).
E,
48" MH 4B"
6" MIN.
5"M-N
24" MIN,
21" 1. D.
54" MH ~� 54"
8" MIN.
5.5" MIN.
24" MIN.
24" LD.
60" MH 60"
8" MIN.
6" MIN,
42" MIN.
30" I.D.
NOTES:
1. STEPS TO BE POLYPROPYLENE SAFETY STEPS.
2, STEPS ARE TO BE IN 'LACE BEFORE MANHOLE SECTIONS ARE INSTALLED.
3. CASTING SHALL BE PER S ID. PLAN 401.
4. MANHOLE SECTIONS TO BE OF REINFORCED PRECAST CONCRETE.
5. ALL JOINTS BETWEEN THE CONE, RISER RINGS, BRICKS AND CASTING SHALL BE GROUTED.
6. ADJUSTMENT OF THE CASTING TO GRADE SHALL BE ACCOMPLISHED WITH A COMBINATION OF
ADJUSTMENT RINGS, BRICKS AND MORTAR ONLY. BRICKS SHALT_ BE STAGGERED TO CREATE A RUNNING
BOND OR 1/2 BOND. THE USE Or SL1IM5 IS PROHIBITED,
7. SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING,
COATED (SEALED) WITH A H'GH SOLIDS URETHANE COATING; WASSER M.C-AROSHIELD OR
APPROVED EQUAL; COLOR OF COATING SHALL BE WHITE.
B. RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE VATH ASTM C-443,
9. CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 OF THE INSIDE DIAMETER OF THE LARGESr PIPE.
10, CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL BOOTS OR
APPROVED EQUA.
11.IN UNIMPROVED AREAS, MANHOLES SHALL EXTEND A MINIMUM OF 6" AND A MAXIMUM OF 12"
ABOVE FINISHED GRADE OR MUST HAVE A MINIMUM 2' DIAMETER CONCRETE RINGS POURED AT GRADE.
IN PAVED AREAS, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING,
STD. PLAN - 400.1
+fL®l+ PUBLIC WORKS STANDARD SANITARY MANHOLE -
Tl DEPARTMENT SEPTEMBER 2011
�•� S.MIDD �1�
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LARSON and ASSOCIATES0C1ATE8 ' i ! i
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�. ,# ��' . CIS Eg Q4'
9027 PACIFIC A WWU& SUITE 4 N ' E�G� •�
TACOMA. WA 98444 (253) 474-3404 I , `� 1 ��••
30LTHOLES - 3 PLCS
EQUALLY SPACED 120•
APART ON 23 1/16' (586mm)
DIA B.C. (SEE DETAIL)
SEWER
N111E M "tA
COVER & FRAME
PLAN VIEW
25' DIA,
E635mm] 1`
3/4' C25,m]
1 C19mm7
r 8 3/4'1 L 2 1/2'
- 1?22mm] C64mm]
TYP
COVER SECTION VIEW
_ 26 1/2' DIA
[673mm]
25 1/4' DIA
[641Mr^] F 1 1/16'
1/4' (Gmm) D:A I 127mml
NEL'PRENE GASKET tl
}6'
jjAT
[15' mm]
5/8' J 23 3/8' DIA CL OPEN
E16mm] 1[594mm.
27 5/16' DIA _
[694mm]
34 1/8' DIA__
COVER BOTTOM VIEW
BLT SDC, (ALLEN HEAD)
5/8'-11 X 1.5 SS
RUBBER WASHER
EON BOLTING DETAIL
1/4' 1 1/16'
C6mm] 127mm;
I/B'
C3mm]
1/0'
CR3mm]
GASKET GROOVE DETAIL
[867mm1 N01E&
FRAME SECTION VIEW 1. ALL COVERS SHALL BE LOCKING LID PER EAST
JORDAN IRON WORKS INC. No. 3717C1 OR EQUAL.
2. USE FRAME AND COVER FOR STORM (SPECIFY
"DRAIN" ON COVER), SANITARY (SPECIFY
"SEWER"), OR WATER (SPECIFY "WA -TER"),
STD. PLAN - 401
+ + PUBLIC WORKS MANHOLE FRAME AND COVER - -
)� DEPARTMENT
F--'D DECEMBER 2008
-EX. SEWER MAIN
SPOOL (LENGTH AS NEEDED)
8" SEWER STUSE
PROPERTY UNf
7r
FUTURE 4" SIDE SrWER
SEWER MAIN TEE X 6" TEE I
z�
=J
I i COUPLING (TYP.) a I
I
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3
II
I
r ---
__. _..-__---- T
_----__- J T-_---_--_
BEND AS -
REQUIRED,
2"x 4" STUD MARKING POST PANTED
8" CAP J WHITE WITH THE WORD "SEWER" STENGLED
IN 3" HIGH BLACK LETTERS AND #6 WIRE
WRAPPED AROUND THE STUD AND
EXTENDED TO THE TOP OF THE STUD.
6'X6"X6' SURFACE CLEANOUT WITH CAST IRON RING AND COVER
(EAST JOROAN IRON WORKS PRODUCT NO, 00367502 OR
APPROVED EQUAL, SPECIFY "SEWER" ON LID),
(SEE STD. PLAN 403.1 rDR INSTALLATION)
JM EAGLE THREADED CLEAN -OUT ADAPTER HUB
& PLUG (OR APPROVED EQUAL)
EXISTING SANITARY E3
SEWER MAIN y X IN. L E
FUTURE 4" SIDE SEWER
1 �6" SEWER STUB 6"X8'X8' WYE FUTURE 6"x 4' REDUCER
`SEWER MAIN SIZE X 8" TEE
0QMIAffLL iltx=&E5.E4it SIDE SEWER.D(}y CI1L�ILI4 ExISIDNG.SEriELt_9tA1R
A. VITRIFIED CLAY MAIN - CUT IN A NEW PVC 'TEE" USING "STRONG" -BACK" FLEXIBLE COUPLINGS (FERNCO OR APPROVED EQUAL).
B. CONCRETE MAIN - CUT IN A NEW PVC "TEE' USING "STRONG -BACK" FLEXIBLE COUPLINGS (FERNCO OR APPROVED EQUAL).
C. PVC & C900 PVC MAIN -- CUT IN NEW TEE USING RIGID COUPLINGS OR CORE -DRILLED WITH A ROMAC SADDLE
(OR APPRCVED EQUAL).
D. DUCT LE IRON MAN - CORE -DRILLED WITH A ROMAC SADDLE (OR APPROVED EQUAL)
E. MANHOLE CONNECTION - ALL CONNECTIONS TO MANHOLES SHALL BE AT MANUFACTURED KNOCK -OUTS OR THE STRUCTURE
SHALL BE CORE -DRILLED.
5
30M PSI MIX /ah
CONCRETE ' pN D�M�N
BLOCKING ry5 *�• 9�
d _�CMIN SLOPE
6" TEE // HORIZONTAL
6" MIN. SEWER / SEWER MAIN
MAIN
90NGREIE BLOCKING ANGLE
OF_TTEE AT MAIN BETWEEN 25' AND 45' TYPICAL SIDE SEWER
NOTE: UNLESS OTHERWISE SHOWN ON PLAN, SIDE SEWER SHALL HAVE A MINIMUM 2,5' COVER AT PROPERTY UNE OR 3-5'
LOWER THAN THE LOWEST HOUSE ELEVATON, WHICHEVER IS LOWER.
STANDARD SIDE SEWER STD. PLAN .406.1
URIPUBLIC WORKS AF -VE n
DEPARTMENT INSTALLATION
(SEWER MAIN TO PROPERTY LINE)e�
LARSON_AND_ASSOCIATES SCALE.
"=
DESIGNED: 1 40'
GJM
DRAWN:
JHD ONE INCH
CHECKED: AT FULL SCALE
GJM IF NOT ONE INCH
NO. REVISION BY DATE APPR APPROVED: SCALE ACCORDINGLY
APPROVED
VERTICAL NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
RECESSED
LIFT POCKET
• SEWER
10-1/2"
1/4 i`-12-1/2"-
2-1/4"
14"
2-3/4"
2-1/4
CAST IRON RING AN
Not to Scale
FRAME
III ALIC=M i'-n"
NOTES:
1. 8" AND 6" CLEAN -OUT RINGS AND COVERS ON SEWER MAINS SHALL BE EAST JORDAN IRON WORKS, INC.
No. 3698 (PRODUCT NO. 00369803) OR APPROVED EQUAL. CLEAN OUT SHALL BE A WATER TIGHT ASSEMBLY.
2. IN UNIMPROVED AREAS, POUR A V-0" THICK, 2'- 0" SQUARE
CONCRETE, CLASS 3000, PAD AROUND THE RING AND COVER.
OR
DABLE
STD. PLAN - 403.1
�® PUBLIC WORKS 8" OR 6" CLEANOUT °�
DEPARTMENT FOR SANITARY SEWER MAIN
IWk N nb, D*E
VARIES4.5' MIN.
LANE LINE
\MARKING SAWCUT AFTER BACKFILL
DEPTH OF EXISTING PAVEMENT
1 �
2" - 6" HMA
(SEE NOTE 2)
I 1'
EDGE OF PAVEMENT, EDGE
OF CURB & GUTTER, OR
MIN.
MIN. CENTER OF LANE MARKING
2" HMA (SEE NOTE 2)
6" CRUSHED SURFACING TOP COURSE
(CSTC) (9-03.9(3)) PER WSDOT STANDARD
2" SAWCUT AND REMOVE
SPECIFCATIONS, COMPACTED TO 95%
OR PLANE, SEAL WITH
MODIFIED PROCTOR
AR-4000W
CSTC, BANK RUN GRAVEL FOR TRENCH BACKFILL.
(9-03.19), GRAVEL BORROW (9-03.14(1)) PER
---
WSDOT STANDARD SPECIFICATIONS OR NATIVE
MATERIAL IF APPROVED IN WRITING BY ENGINEER
BASED ON GEOTECH REPORT, COMPACTED TO
WIDTH OF TRENCH AS REQUIRED BY SIZE OF
O
95% MODIFIED PROCTOR.
PROPOSED IMPROVEMENT (SEE WSDOT
STANDARD SPECIFICATION 2-09.4) PLUS AN
PIPE ZONE BEDDING MATERIAL AND COMPACTION AS
ALLOWANCE FOR ANY SHORING, SHORING, IF
J
REQUIRED BY THE WSDOT STANDARD SPECIFICATIONS
NEEDED, SHALL MEET THE REQUIREMENTS OF
FOR THE TYPE OF IMPROVEMENT INSTALLED, EXCEPT:
WSDOT STANDARD SPECIFICATION 7-08.3(1)B
* FOR STORM AND WATER PIPE, PER STD PLAN 220.0
F�--�
* FOR SANITARY SEWER, PER STD PLAN 405
TRENCH WIDTH ' FOR JOINT UTILITY TRENCH, SAND WITH 95%
PASSING A #4 SIEVE AND LESS THAN 5% PASSING
A #200 SIEVE
NOTES:
1. WHEN EXISTING PAVEMENT IN A LANE REQUIRING A FULL WIDTH REPLACEMENT IS BROKEN OR DETERIORATED
TO A PAVEMENT CONDITION INDEX RATING OF 70 OR LESS, THE EXISTING PAVEMENT IN THAT LANE, AND
FOR THAT DISTANCE SO CLASSIFIED, SHALL BE REMOVED AND REPLACED WITH HMA MATCHING THE DEPTH
USED IN THE EXISTING STREET OR THE DEPTH PER CITY STANDARD, WHICHEVER IS GREATER.
2 PRINCIPAL/ MINOR/COLLECTOR, ARTERIAL, & INDUSTRIAL ACCESS STREETS - MATERIAL AND THICKNESS
SHALL BE HMA CL f" PG 64-22 AND MATCH EXISTING THICKNESS AND IN NO CASE LESS THAN 6".
RESIDENTIAL ACCESS STREETS - HMA CL }" PG 64-22. THE THICKNESS SHALL BE THAT OF THE EXISTING
PAVEMENT SECTION AND IN NO CASE LESS THAN 4".
3. WHEN THE "SAWCUT AFTER BACKFILL" ENCROACHES INTO AN ADJACENT LANE, CURB & GUTTER OR
SHOULDER, THE AFFECTED LANE SHALL BE PLANED AND OVERLAID WITH HMA FULL WIDTH, THE CURB &
GUTTER SHALL BE REMOVED AND REPLACED, OR THE SHOULDER SHALL BE PLANED OR REMOVED AND
OVERLAID WITH HMA.
4. IF TRENCH UNDERMINES EXISTING SIDEWALK AND/OR CURBS, THEN THE SIDEWALK AND/OR CURB SHALL BE
REPLACED FROM EXPANSION JOINT TO EXPANSION JOINT.
5, IF TRENCHING THROUGH EXISTING DRIVEWAY OR SIDEWALK RAMP, THE DRIVEWAY OR SIDEWALK RAMP SHALT.
BE REPLACED TO MEET ADA STANDARDS.
STDTYPICAL LONGITUDINAL PATCH' PLAN - 110.1
PUBLIC WORKS FOR FLEXIBLE PAVEMENT OR
DEPARTMENT RLAY )0 14S
RIGID PAVEMENT WITH OVE/
t"
R
CITY OF
ML
RENTON
Planning/Building/Public Works Dept.
SOUTH _132ND_STREET
SEWER_ LINE_ EXTENSION
8681BASE
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S- 404602
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DATE:
3/27/19
QI
FIELDBOOK: BOOK
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PAGE` PAGE
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DRAWING NO:
8681
SHEET: OF:
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