HomeMy WebLinkAbout330.6NOTES:
1.NEW WATER MAIN SHALL BE CLASS 52 DI PIPE WITH 8-MIL POLYETHYLENE ENCASEMENT AROUND PIPE AND TRANSITION COUPLINGS IN
ACCORDANCE WITH AWWA C105.
2.NEW WATER MAIN SHALL BE SUPPORTED BY FIRM BEARING EARTH. INSTALL CONCRETE BLOCKS (8"x16"x2") UNDER NEW WATER MAIN AS
REQUIRED OR SHORE TRENCH WALL UNDER WATER MAIN AS SHOWN.
3.ALL COUPLERS SHALL BE LONG BARREL TRANSITION COUPLERS.
4.AC PIPE SHALL BE CUT WITH A HAND-OPERATED CARBIDE BLADE CUTTER WITH CONTROLLED FLOWING WATER.
5.AC PIPE SEGMENTS SHALL BE FILLED WITH CDF AND LEFT TO BE BURIED IN THE TRENCH.
6.CONTAMINATED CLOTHING SHALL BE LEFT AND BURIED IN TRENCH, OR TRANSPORTED IN SEALED IMPERMEABLE BAGS AND LABELED IN
ACCORDANCE WITH WAC 296-62-07721.
7.ALL WORK ON AC PIPE SHALL BE PERFORMED BY A LICENSED ASBESTOS ABATEMENT CONTRACTOR.
8.THE CONTRACTOR IS REQUIRED TO MAINTAIN WORKERS' EXPOSURE TO ASBESTOS MATERIAL AT OR BELOW THE LIMIT PRESCRIBED IN
WAC 296-62-07705.
NEW UTILITY PIPE
BACKFILL
TRENCH SHORING
(SEE NOTE 2)
EXISTING
AC WATER MAIN
ROMAC 501
COUPLING ADAPTOR
CONCRETE
SUPPORT BLOCKS
(SEE NOTE 2)
NEW DI WATER MAIN
12" MIN
3' MIN
6" MIN
3'3'TRENCH
WIDTH
ALL WORK ON EXISTING
WATER MAIN SHALL BE
PERFORMED BY CITY OF
RENTON FORCES
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEMartin Pastucha
Public Works Administrator
ASBESTOS CEMENT WATER MAIN
REPLACEMENT AT NEW UTILITY CROSSING
STD. PLAN - 330.6
6/28/2023