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ELEV 42
INVERT 425.
EXIST_8
WEST
EL,
' 426.52f
-V 426.52f
EXIST 8"
EAST
"ER T 425.85f
MAIN CHANNEL (E & S)
N SHALL MATCH CROWNS
W
z
SSMH #7 CHANNELIZATION
NO SCALE
SA WCUT EXISTING ASPHALT (TYP)
WATER MAIN
TRENCH BEDDING
AND BACKFILL PAY
LIMI T OF TRENCH
4'
EXISTING ASPHALT
THICKNESS VARIES
WA TER MAIN
TRENCH ONL Y
NOTES:
8" HMA
CLASS 112"
PG 64-22
6" CRUSHED
SURFA CING TOP
COURSE
PAY LIMIT
TRENCH BACKFILL
6'-0" FOR 12" SANITARY SEWER LINES
4'-0 FOR ALL WATER MAINS
1'-0"
6"
f
e� A IA//'\/ /T r\/1!'•T/A//'\ A t—f-%I / A / T T\/r%N
WATER MAIN
TRENCH BEDDING
AND BACKFILL PAY
LIMIT OF TRENCH
4'
EXISTING ASPHALT
THICKNESS VARIES
1. ALL TRENCHES IN ROADWAY AREAS SHALL BE BACKFILLED AND PATCHED PER SPECIAL PROVISION
5-06.1 AT END OF EACH WORKDAY. THIS WORK IS INCIDENTAL TO ALL TRENCH RESTORATION
WORK.
2. THE JOINTS FOR FINAL PATCHES SHALL BE A MINIMUM OF 1' BEYOND THE UNDISTURBED EDGE
OF THE TRENCH. JOINTS SHALL BE SAW CUT AS DESCRIBED IN THE PATCH DETAILS UNLESS
APPROVED BY THE ENGINEER.
3. ALL TEMPORARY PATCHES ON UTILITY TRENCHES SHALL BE PERMANENTLY PATCHED WITHIN TWO
(2) WEEKS OF COMPLETION OF THE INSTALLATION OF THAT UTILITY WORK UNLESS APPROVED BY
THE ENGINEER. THE ENGINEER WILL ALLOW PORTIONS OF TEMPORARY PATCHES TO REMAIN
WHERE ADDITIONAL TRENCHING WILL BE REQUIRED FOR ANOTHER UTILITY.
4. THE FINAL PATCH SHALL BE 8" HMA CLASS 1 /2" PG 64-22.
5. ALL ASPHALT PATCH AREA OUTSIDE OF PAY LIMIT SHOWN SHALL BE CONSIDERED INCIDENTAL TO
OTHER ITEMS OF WORK.
6. ASPHALT PATCH CONFIGURATION AT 8TH AND 10TH SHALL BE DETERMINED IN THE FIELD BY THE
ENGINEER BASED UPON TRENCH LIMITS.
SEE DETAIL FOR ASPHALT
CONCRET PAVEMENT
RESTORA TION REQUIREMENTS
BACKFILL MATERIAL
NA TI VE IF APPROVED BY ENGINEER OR
IMPORT PER SECTION 9— 03.19
(SELECT BACKFILL) OF THE SPECIAL
PRO VISIONS.
PROPOSED 12" SEWER PIPE
PROPOSED 16 " WATER PIPE
FOR SEWER PIPE. PIPE ZONE MATERIAL PER SECTION
1. PROVIDE UNIFORM SUPPORT UNDER BARREL.
2. HAND TAMP UNDER HAUNCHES.
3. COMPACT PIPE ZONE MATERIAL TO 907- MINIMUM DENSITY
EXCEPT DIRECTLY OVER PIPE WHERE COMPACTION WILL BE
HAND TAMP ONL Y.
4. PIPE MUST BE ANCHORED IN SUCH A MANNER AS TO ENSURE
FLOW LINE IS MAINTAINED.
5. ALL EXCA VA TION AND BEDDING AND BACKFILL MATERIALS
BEYOND PAY LIMIT OF TRENCH SHALL BE INCLUDED WITHIN
THE TRENCH EXCA VA TION SAFETY SYSTEMS BID I TEM.
9-03.12(3) GRAVEL BACKFILL FOR
PIPE ZONE BEDDING.
FOR WATER PIPE. PIPE ZONE MATERIAL SHALL BE
NATIVE MATERIAL UNLESS DEEMED
UNSUITABLE BY THE ENGINEER,
THEN BANK RUN GRA VEL FOR
TRENCH BACKFILL PER SECTION 9-03.19. SANI TAR Y SEWER AND WA TER PIPES
TYPICAL TRENCH BEDDING AND BACKFILL
EXCA VA TION OF UNSUITABLE SOIL AND
BACKFILL OF FOUNDATION MATERIAL
(IF NECESSARY) DEPTH AS APPROVED
BY ENGINEER. MATERIAL SHALL MEET
SECTION 9-03.9(1) BALLAST
5'f SEWER MAIN
TRENCH BEDDING
AND BACKFILL PAY
LIMIT OF TRENCH
6'
PARALLEL WA TER AND
SEWER MAIN TRENCHS
REVISION
(MA
iS 112 »
i 4-22
3HED
ING TOP
EE
ASPHAL T CONCRETE PA VEMEN T
RESTORA TION DETAILS
N TS
SugVErm:
DROM: MAB
cHwxm:
JDH
BY DATE APPR Mc AG
NTS
ONE W CH
AT FULL SCALE
E: HOT OW INCH
SCALE ACCORDNGLY
,. T ,.,-.T,. , , . ,
EXISTING WA TER 4'± SEWER MAIN
MAIN TRENCH PATCH TRENCH BEDDING
AND BACKFILL PAY
LIMIT OF TRENCH
6'
SEWER MAIN
TRENCH ONLY
S-336304
EXPIRES 8/21 /09
AA
i 112"
4-22
'ED
G
'SE
DAM,,,, � ;gw/,gg, 08-14-07
•. �- CITY OF D U V A L L A V E NE RUDBOM
RENTON WATER/ SEWER PROJECT MIMW.
7DA U"M)�
Planning/Building/Public Works Dept. MISCELLANIOUS DETAILS S-3363
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