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PAY LIMIT
TRENCH BACKFILL
5' -0" FOR 8" & 4' -0" FOR 6" SEWER LINES
1, _ 6,9
6"
SEE DETAIL FOR STREET
RESTORATION REQUIREMENTS
SUBSEQUENT BACKFILL MATERIAL
(NATIVE IF APPROVED BY ENGINEER)
OR IMPORT PER SECTION 9 -03.19
(SELECT BACKFILL) OF THE SPECIAL PROVISIONS.
FOR SEWER PIPE: PIPE ZONE MATERIAL PER SECTION
9- 03.12(3) GRAVEL BACKFILL FOR
PIPE ZONE BEDDING.
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
8" & 611 SDR 35 PVC SEWER PIPES
TYPICAL TRENCH BEDDING AND BACKFILL
NOTES:
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
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ASS /ONAL ENG`
EXPIRES 8/211/09
12"
TYP TRENCH
(SEE DETAILS)
PAY LIMIT OF TRENCH
PAYMENT LIMIT OF PATCH
ASPHALT CONCRETE PAVEMENT
RESTORATION DETAIL
I
NOTES:
2" OF 1/2" HOT MIX ASPHALT OVERLAY
EXIST. ASPH. CONC. PAVEMENT, TYP.
3" OF 1" HOT MIX ASPHALT PATCH
6" CRUSHED SURFACING TOP COURSE
BACKFILL
(SEE BEDDING /BACKFILL DETAIL)
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.
FINAL 2. THE • BE OF • r
THE UNDISTURBED EDGE OF
3. ALL ASPHALT PATCH AREA OUTSIDE OF PAY LIMIT SHOWN SHALL
BE CONSIDERED INCIDENTIAL 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.
SURVEYED:
SCALE:
AS SHOWN
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORZONTAL- NAD 1983/1991
DATUM
CONSTRUCTION NOTES
1. HORIZONTAL DATUM IS NAD '83 '91 BASED ON TERRESTRIAL TIES
TO THE CITY OF RENTON CONTROL POINTS 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. STATIONING SHOWN IN CENTERLINE OF ROADWAY OR SURVEY CONTROL LINES
AS DEFINED BY THE CONTROL POINTS.
5. ALL MANHOLES SHALL HAVE LOCKING LIDS.
6. SET ALL MANHOLE LIDS TO FINISHED GRADE.
7. PROVIDE AS —BUILT INFORMATION SHOWING ALL INVERT AND RIM ELEVATIONS
OF MANHOLE AND SIDE SEWER VERTICAL AND HORIZONTAL LOCATIONS.
8. INSTALL SEWER MAIN AND SERVICES A MINIMUM 2' FROM PARALLEL GAS LINES
WHERE CONFLICT OCCURS.
9. WHERE UTILITY PIPE LINE VERTICAL SEPARATION IS LESS THAN (1) ONE FOOT,
INSERT ETHAFOAM HS 600 PLANK —FOAM BOARD OR EQUAL AS CLEARANCE
SEPARATION.
10. A TRAFFIC CONTROL PLAN SHALL BE SUBMITTED TO THE ENGINEER FOR
REVIEW AND APPROVAL PRIOR TO BEGINNING CONSTRUCTION.
CONSTRUCTION SEQUENCING
1. THE SEWER WORK ON 155TH AVE SE
FROM THE EXISTING MANHOLE ON
SHEET 2 TO MH #3 ON SHEET 5 SHALL
BE PERFORMED FIRST.
CITY OF WHITE F NCH
RENTON SANITARY SEWER EXTENSION APRIL 2008 j FlDODR AWNG N
Planning /Building /Public Works Dept. S-13
DETAIL SHEET SHEET: OF:
13 15
ISI-131413121 I