for 120 volt circuits shall be No. 12 AWG minimum. Wiring for low voltage
dc circuits shall be No. 14 AWG minimum. Wiring shall be color coded.
Provide wiring in metal conduit or electrical metallic tubing.
2.15
CONDUCTOR IDENTIFICATION
Identify circuit conductors within each enclosure where a tap, splice, or
termination is made. Use plastic-coated, self-sticking printed markers or
by heat-shrink type sleeves for conductor identification. Attach markers
to prevent accidental detachment. Identify control circuit terminations.
2.16
OPERATING INSTRUCTIONS
Provide operating instructions at each remote actuating station. Clearly
indicate steps for system operation in instructions. Use raised or
embossed white letters on red rigid plastic or enameled steel backgrounds.
Use lettering at least 6 mm 1/4 inch high.
2.16.1
Identification Signs
Provide identification signs for system operating devices and control
valves. Provide signs of three-layer composition having a red face and
engraved 25 mm one inch minimum white letters.
PART 3
EXECUTION
3.1
VERIFICATION OF CONDITIONS
Become familiar with details of the work, verify dimensions in the field,
and advise the Contracting Officer of discrepancies before performing the
work.
3.2
INSTALLATION
Install piping straight and true to bear evenly on hangers and supports.
Keep interior and ends of new piping [and existing piping affected by the
Contractor's operations] thoroughly cleaned of water and foreign matter.
Keep piping systems clean during installation by means of plugs or other
approved methods. When work is not in progress, securely close open ends
of piping to prevent entry of water and foreign matter. Inspect piping
before placing into position.
3.2.1
Electrical
Provide electrical work associated with this section under Section 16402
INTERIOR DISTRIBUTION SYSTEM, except for control [and fire alarm] wiring.
[Fire alarm system is specified in Section 13852N INTERIOR FIRE ALARM
SYSTEM.] Provide control [and fire alarm] wiring [, including connections
to fire alarm systems,] under this section in accordance with NFPA 70.
Provide wiring in rigid metal conduit or intermediate metal conduit, except
electrical metallic tubing conduit may be provided in dry locations not
enclosed in concrete or where not subject to mechanical damage.
3.2.2
Pipe and Fittings
Inspect, test, and approve piping before concealing. Provide fittings for
direction changes in piping and for connections. Jointing compound for
pipe threads shall be polytetrafluoroethylene (PTFE) pipe thread tape, pipe
cement and oil, or PTFE powder and oil; apply only to male threads. Provide
SECTION 13962N
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