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PAY LIMIT
TRENCH BACKFILL
6'
° ° a
SEE DETAIL FOR STREET
RESTORATION REQUIREMENTS
BACKFILL MATERIAL SHALL BE
100% SELECT IMPORTED BACKFILL
PER SECTION 9 -03.19
(SELECT BACKFILL) OF THE SPECIAL
PROVISIONS
n -
a a e a
12"& 8"SDIT35-fVC SEWER PIPES
TYPICAL TRENCH BEDDING AND BACKFILL
PIPE ZONE MATERIAL PER SECTION
9- 03:12(4) GRAVEL BACKFILL FOR
DRAINS OR PEA GRAVEL.
EXCAVATION OF UNSUITABLE SOIL AND
BACKFILL OF FOUNDATION MATERIAL
(IF NECESSARY) DEPTH AS APPROVED
BY ENGINEER. MATERIAL SHALL MEET
SECTION 9- 03.9(1) BALLAST
NOTES`
1. PROVIDE UNIFORM SUPPORT UNDER BARREL.
2. HAND TAMP UNDER HAUNCHES.
3. COMPACT PIPE ZONE MATERIAL TO 90% MINIMUM
DENSITY EXCEPT DIRECTLY OVER PIPE WHERE
COMPACTION WILL BE HAND TAMP ONLY.
4. PIPE MUST BE ANCHORED IN SUCH A MANNER AS
TO ENSURE FLOW LINE IS MAINTAINED_
5. ALL EXCAVATION AND BEDDING AND BACKFILL
MATERIALS BEYOND PAY LIMIT OF TRENCH
SHALL BE INCLUDED WITHIN THE TRENCH
EXCAVATION SAFETY SYSTEMS BID ITEM.
SAWCUT FINAL JOINT
TYP. EACH SIDE
12"
TYP TRENCH
FPAYTIMIT EE DETAILS) ) OF TRENCH
AS- BUILT NOTE:
ALL REPLACEMENT SEWER MAINS
WERE INSTALLED USING HDPE PIPE
WITH THE PIPE- BURSTING METHOD..
PAYMENT LIMIT OF PATCH
ASPHALT CONCRETE PAVEMENT
RESTORATION DETAIL
CONSTRUCTION NOTES
1. HORIZONTAL DATUM IS BASED ON MONUMENTATION AS SHOWN ON THE
RESPECTIVE PLAN SHEETS.
VERTICAL DATUM IS NAVD'88 BASED ON CITY OF RENTON
CONTROL POINTS AS SHOWN ON THE RESPECTIVE PLAN SHEETS.
2. UTILITY CROSSING LOCATIONS AND ELEVATIONS SHALL BE DETERMINED BY THE
CONTRACTOR IN ADVANCE OF ANY CONSTRUCTION ACTIVITIES.
3. EXISTING PRIVATE IMPROVEMENTS SHALL BE TEMPORARILY RELOCATED AND
PERMANENTLY REPLACED TO ACCOMMODATE SERVICE CONSTRUCTION.
4. PROVIDE AS -BUILT INFORMATION SHOWING ALL INVERT AND RIM ELEVATIONS
OF MANHOLE AND SIDE SEWER VERTICAL AND HORIZONTAL LOCATIONS.
5. INSTALL SEWER MAIN AND SERVICES A MINIMUM 2' FROM PARALLEL GAS LINES
WHERE CONFLICT. OCCURS.
6. WHERE UTILITY PIPE LINE VERTICAL SEPARATION IS LESS THAN (1) ONE FOOT;
INSERT ETHAFOAM HS 600 PLANK -FOAM BOARD OR EQUAL AS CLEARANCE
SEPARATION.
7. A TRAFFIC CONTROL PLAN SHALL BE SUBMITTED TO THE ENGINEER FOR
REVIEW AND APPROVAL PRIOR TO BEGINNING CONSTRUCTION.
MANHOLE FRAME AND
COVER PER DRAWING 401.
TO MA
SECTI(
ALIGN
REUSE EXISTING FRAME & COVER
EXISTING PORTION OF MANHOLE
SECTIONS TO BE REMOVED
REMAINED
OF
i�FR�OF LOWER
STING MANHOLE.
=R RUNGS WITH
I
SECTI
AS -BUILT NOTE
UNABLE TO ADD NEW SECTIONS TO
MANHOLE DUE TO EXISTING WATER
MAIN CONFLICT.
REMOVE UPPER PORTION OF EXISTING
OUTSIDE DROP AND INSTALL NEW
INSIDE DROP PER STD PLAN 402.2
ABANDON EXISTING OUTSIDE DROP BY
FILLING WITH CDF OR PEA GRAVEL
RINGS S E "CRETEX
PR " PROVED
E L. (SEE E NOT 6' 4" MIN. TO
AS -BUILT NOTE: 12" MAX.
"CRETEX PRO -RING" ADJUSTMENT 24" PLUG LOWER PORTION O
RING REQUIREMENT WAS DELETED EXISTING OUTSIDE DROP
FROM THE CONTRACT. CONCRETE- 12„ WITH CONCRETE
ADJUSTMENT RINGS WERE INSTALLED.
EXIST. ASPH. CONC. PAVEMENT. TYP.
6" OF CLASS B ASPHALT CONCRETE PATCH
PAVING SHALL BE DONE IN 2 - 3" LIFTS
6" CRUSHED SURFACING TOP COURSE
BACKFILL
(SEE BEDDING /BACKFILL DETAIL)
NOTES:
1. ALL TRENCHES IN ROADWAY AREAS SHALL BE BACKFILLED AND PATCHED
PER SPECIAL PROVISION 5 -06.1 AT END OF EACH WORK DAY.
THIS WORK IS INCIDENTAL TO ALL TRENCH RESTORATION WORK.
2. THE FINAL SAWCUT JOINT SHALL BE A MINIMUM OF 1' BEYOND
THE UNDISTURBED EDGE OF THE TRENCH.
3. ALL ASPHALT PATCH AREA OUTSIDE OF PAY LIMIT SHOWN SHALL
BE CONSIDERED INCIDENTAL TO OTHER ITEMS OF WORK.
4. ALL TEMPORARY PATCHES ON TRENCHES SHALL BE PERMANENTLY
PATCHED WITHIN (2) WEEKS OF COMPLETION OF WORK WITHIN THE
ROADWAY AREA UNLESS APPROVED BY THE ENGINEER.
U
4" 54"
1% °
° v
oa °.
v
16"
° v °
mm.
54" SANITARY MANHOLE
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 401.
4. MANHOLE SECTIONS TO BE OF REINFORCED PRECAST CONCRETE.
5. ALL MANHOLES SHALL HAVE FLAT TOPS (NO CONES).
6. ISTMENT GFTI IE GMT-IN G TO GRADE n, I n rGeMPI ,PI IEBI UTILIZING
"GRETEX PRe RING" MAINII Iel E B a S:F r \IT RINGS e_n PPRevrn EQ Ie1
uSTn1 I 1`19NI 61 I PER M FAIS RERS Ilrl.OIl MEINIB T191416
7. SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES,
INCLUDING CHANNELING, COATED (SEALED) WITH A HIGH SOLIDS URETHANE
COATING; WASSER MC- AROSHIELD OR APPROVED EQUAL; COLOR OF
COATING SHALL BE WHITE.
8. RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE WITH ASTM C443.
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.
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.
7:5't
EX. 36" y
IE = 189.72
(AS- BUILT)
- EX. 60" OR 54" DIA.
CONTRACTOR TO VERIFY
PRIOR TO CONSTRUCTION
IE = 179.54
(AS- BUILT)
MANHOLE MODIFICATION
INTERSECTION OF BAGLEY PL SW
AND LANGSTON PL SW
AS -BUILT SANITARY SEWER CONNETION NOTES
1. WITHIN THE REPLACEMENT PORTION OF THE PROJECT, SIDE SEWER
RECONNECTIONS WERE ACCOMPLISHED USING WELDED "TEES" TO THE NEW
HDPE SEWER MAINS.
2. THE "CIPP FOR SEWER MAIN TO LATERAL REHABILITATION" PORTION OF THE
PROJECT WAS DELETED FROM THE CONTRACT.
3. CONNECTIONS OF NEW SANITARY SEWERS TO EXISTING MANHOLES WERE
ACCOMPLISHED USING SAND - COLLARS AND NON SHRINK EPDXY GROUT OR
APPROVED EQUAL.
5- 361520
PACE
N/A
wercu: N.w IN.
NCR6gR.V. NPU 1961II991
C
., ,� CITY O
RENTON
Planning /Building /Public Works Dept.
EARLINGTON SEWER REPLACEMENT
Phase II
APR 2012
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REVISION
BY
DATE
APPR
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10 10
5-
36152C