15444-1
SECTION 15444
NATURAL GAS SYSTEM
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Included: Furnish and install natural gas piping as indicated on the drawings.
B. Related Work Specified Elsewhere: "Plumbing - General" is specified in Section
15400, "Steel Pipe & Fittings" is specified in Section 15061.
12 QUALITY ASSURANCE
A. The entire installation shall conform to NFPA 54 as amended by the State of New
Hampshire.
B. Installation, testing, and replacement of gas piping, appliances, or accessories, and
repair and servicing of equipment, shall be performed only be a qualified agency.
1.3 SUBMITTALS TO THE ENGINEER
A. General: Submittals shall be in accordance with specification Section 01340.
B. When state or local codes require licensed gas fitters or licensed plumbers to perform
the work being done on the natural gas system, submit notarized copies of licenses of
all mechanics to be used on the installation.
1.4 DELIVERY, STORAGE, AND HANDLING
A. Deliver gas system materials to job site as work progress requires.
B. Protect all materials in a suitable weathertight enclosure to prevent damage of any
nature.
PART 2 - PRODUCTS
2.1 MATERIALS
A. All materials shall be in accordance with NFPA 54 and all state and local codes.
PART 3 - EXECUTION
3.1 INSTALLATION
A. General:
1. Clean pipe before installation.
2. Remove internal scale.
3. Ream pipe ends after cutting.
4. For screwed joints, apply noncorrosive, non-hardening Teflon pipe thread
compound or Teflon tape to male threads only.
Install gas piping and accessories according to NFPA 54.
6. Install gas piping parallel with building walls or structure. The lower end of all
vertical supply piping near equipment shall terminate with a tee, nipple and cap
to serve as a sediment trap.
nA
13089K
