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TranSystems Corporation - LGM Construction

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501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11<br />

E. Interior gas pressure reducing regulators shall include vent piping that shall terminate outside the<br />

building. Install in accordance with manufacturer's recommendations, local codes, local gas utility<br />

company requirements, and the Owner's insurance company requirements.<br />

F. In addition to shut-off valves and pressure regulators as shown on the Drawings, provide gas<br />

shut-off valves and pressure regulators on all equipment if not provided as an integral part of the<br />

equipment, and at the gas meter.<br />

G. Gas piping, specialties, and equipment shall be tested and inspected in the presence of the<br />

inspector of the utility company and the Owner's Representative prior to concealing or covering.<br />

H. Above ground exterior piping and meter (where permitted by the utility company) shall be painted.<br />

Color to be selected by the Owner.<br />

I. Turns in underground piping shall have thrust restraint in accordance with utility company<br />

requirements.<br />

J. Completion of work under this Section shall require shutdown of existing natural gas piping<br />

systems (or portions of such system) where existing equipment with standing pilots may be<br />

installed. After work required under this Section is completed, gas service shall be restored, and<br />

this Contractor shall inspect and re-light all such gas pilots serving existing and new equipment as<br />

applicable.<br />

K. Gas piping installed in building walls shall be sleeved its entire length. The inside diameter shall<br />

be a minimum of 1" larger than the outside diameter of the encased gas pipe. The ends of the<br />

sleeve shall remain open and terminate in the adjacent spaces.<br />

L. Refer to Section 15050, BASIC MATERIALS AND METHODS.<br />

3.2 TESTING<br />

A. Piping shall be tested in accordance with Specification Section 15425, Piping Tests.<br />

3.3 PIPE AND VALVE IDENTIFICATION<br />

A. Provide pipe verification markers and valve identification tags in accordance with Section 15423<br />

“Pipe and Valve Identification”.<br />

END OF SECTION 15407<br />

NATURAL GAS SYSTEM 15407-3

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