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TranSystems Corporation - LGM Construction

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

SECTION 15050 - BASIC MATERIALS AND METHODS<br />

PART 1 - GENERAL<br />

1.1 SCOPE<br />

A. The requirements of Section 15010 shall apply to this Section except as herein modified.<br />

B. This Section describes the installation of piping, pipe fittings, valves, piping specialties, supporting<br />

devices, and other basic materials.<br />

1.2 RELATED WORK<br />

A. Provide excavation and backfill in accordance with the requirements of Division 2.<br />

B. Provide utility trenching, backfilling and compacting in accordance with the requirements of<br />

Division 2.<br />

C. Provide pumping and shoring in accordance with the requirements of Division 2.<br />

D. Provide concrete in accordance with the requirements of Division 3.<br />

E. Site utility piping is specified in Division 2.<br />

1.3 QUALITY ASSURANCE<br />

A. Refer to Specification Section 15010, GENERAL PROVISIONS - MECHANICAL, paragraph<br />

“CODES AND STANDARDS”.<br />

B. The requirements of the applicable Sections of ANSI B31, "Pressure Piping," shall be considered<br />

as minimum requirements governing fabrication, installation, and support of piping systems except<br />

where more specific or stringent requirements are specified or shown on the Drawings.<br />

C. Prior to starting piping installation work, the following shall be completed:<br />

1. Set a reference datum, in the form of a surveyor's benchmark, for installation of all<br />

material and equipment requiring grading and for elevation locations. The elevation of<br />

such benchmark shall be set by the Contractor and checked by the Owner's<br />

Representative. The exact location of the datum shall be as established by the Owner's<br />

Representative. The Engineer shall be informed in writing by the Contractor of the<br />

location and elevation of this datum.<br />

2. Verify the existing inverts of all piping connections. Should there be any discrepancy<br />

between the Drawings and actual field conditions, the Contractor shall immediately notify<br />

the Owner's Representative in writing.<br />

D. This requirement may be eliminated if and only if such a usable datum for building construction is<br />

provided by Others and the Contractor receives written permission by the Engineer.<br />

BASIC MATERIALS AND METHODS 15050-1

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