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TranSystems Corporation - LGM Construction

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

J. Install unions adjacent to each valve and at final connection to each piece of equipment having threaded<br />

pipe connection.<br />

K. Do not use natural gas distribution piping as grounding electrode.<br />

L. Equipment Nameplates and Signs: Install engraved plastic-laminate equipment nameplates and signs<br />

on or near each service regulator, service meter, and earthquake valve.<br />

1. Text: In addition to identifying unit, distinguish between multiple units, inform operator of<br />

operational requirements, indicate safety and emergency precautions, and warn of hazards and<br />

improper operations.<br />

M. Warning Tapes: Arrange for installation of continuous, underground, detectable warning tape over<br />

natural gas distribution piping during backfilling of trenches for piping.<br />

3.5 FIELD QUALITY CONTROL<br />

A. Test, inspect, and purge natural gas distribution according to requirements of fuel gas code and utility.<br />

B. Repair leaks and defective valves and specialties and retest system until no leaks exist.<br />

C. Report results in writing.<br />

D. Verify correct pressure settings for service regulators.<br />

END OF SECTION 02553<br />

NATURAL GAS DISTRIBUTION 02553 - 5

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