bituminous paint.
2.21.5
Buried Utility Warning and Identification Tape
Provide detectable aluminum foil plastic-backed tape or detectable magnetic
plastic tape manufactured specifically for warning and identification of
buried piping. Tape shall be detectable by an electronic detection
instrument. Provide tape in rolls, 80 mm 3 inches minimum width, color
coded for the utility involved, with warning and identification imprinted
in bold black letters continuously and repeatedly over entire tape length.
Warning and identification shall be CAUTION BURIED WATER PIPING BELOW or
similar. Use permanent code and letter coloring unaffected by moisture and
other substances contained in trench backfill material. Bury tape with the
printed side up at a depth of 305 mm 12 inches below the top surface of
earth or the top surface of the subgrade under pavements.
PART 3
EXECUTION
3.1
EXCAVATION, BACKFILLING, AND COMPACTING
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NOTE: Select and edit Section 02300,EXCAVATION and
include as part of the project specification.
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Provide under this section as specified in Section 02300 EARTHWORK.
3.2
CONNECTIONS TO EXISTING WATER SUPPLY SYSTEMS
Use tapping or drilling machine valve and mechanical joint type sleeves for
connections to be made under pressure. Bolt sleeves around the mains; bolt
valve conforming to AWWA C500 or UL 262 to the branch. Open valve, attach
drilling machine, make tap, close valve, and remove drilling machine, all
without interruption of service. Notify the Contracting Officer in writing
at least [_____] [15] calendar days prior to the date the connections are
required; approval shall be received before any service is interrupted.
Furnish all material required to make connections into the existing water
supply systems, and perform all excavating, backfilling, and other
incidental labor as required. [Furnish] [Government will furnish only] the
labor and the tapping or drilling machine for making the actual connections
to the existing systems.
3.3
AFFF SYSTEM INSTALLATION
Equipment, materials, installation, workmanship, fabrication, assembly,
erection, examination, inspection, and testing shall be in accordance with
the NFPA standards referenced herein. Install piping straight and true to
bear evenly on hangers and supports. Conceal piping to the maximum extent
possible. Piping shall be inspected, tested and approved before being
concealed. Provide fittings for changes in direction of piping and for all
connections. Make changes in piping sizes through standard reducing pipe
fittings; do not use bushings. Cut pipe accurately and work into place
without springing or forcing. Ream pipe ends and free pipe and fittings
from burrs. Clean with solvent to remove all varnish and cutting oil prior
to assembly. Make screw joints with PTFE tape applied to male thread only.
3.4
DISINFECTION
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SECTION 13958N
Page 38
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