The manufacturer shall inspect all pipe and
fittings and shall furnish three certified copies of tests and inspection
reports covering description, hydrostatic test, physical properties,
chemical analysis and coating analysis.
Air release valves shall be float-operated type
complete with flushing attachment, Golden Anderson Fig. 925, or accepted
equal.
Gate valves shall be AWWA, iron body, bronze-mounted,
double-disc, parallel-seal-type, designed to take full pressure on
either face. All gate valves shall be by the same manufacturer, with
nonrising stems with operation nut, and shall be Clow, Mueller, M
& H, or accepted equal.
Cleanouts shall be installed on all force mains
at intervals not to exceed 1,000 feet. The location of each cleanout
will be accurately recorded and indicated on the record drawing. The
location shall be referenced to at least two permanent markers. The
tees will be buried and covered with the normal backfill.
The contractor shall furnish and install a detectable
identifying tape in all trenches where nonmetallic pipe is used. The
identifying tape shall be made of polyethylene tape bonded to a metalized
foil and shall be highly resistant to alkaloids, acids or other destructive
chemical components likely to be encountered in soils. The tape shall
be three inches wide, shall be brightly colored to contrast with soil
and bear an imprint identifying the type of line buried below. The
tape shall be placed approximately 18 inches below the finished grade.