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Design and Construction Handbook - Los Angeles World Airports

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Guide Specification<br />

1.6 PROJECT CONDITIONS<br />

A. Existing Utilities: Do not interrupt utilities serving occupied facilities unless permitted<br />

under the following conditions <strong>and</strong> then only after arranging to provide temporary utility<br />

services according to requirements indicated.<br />

1.7 COORDINATION<br />

1. Comply with LAWA power shut-down procedures.<br />

2. Do not proceed with utility interruptions without LAWA’s Representative<br />

written permission.<br />

A. Coordinate layout <strong>and</strong> installation of ducts, manholes, <strong>and</strong> h<strong>and</strong>holes with final<br />

arrangement of other utilities <strong>and</strong> site grading, as determined in the field.<br />

B. Coordinate elevations of ducts <strong>and</strong> duct-bank entrances into manholes <strong>and</strong> h<strong>and</strong>holes<br />

with final profiles of conduits as determined by coordination with other utilities <strong>and</strong><br />

underground obstructions. Revise locations <strong>and</strong> elevations from those indicated as<br />

required to suit field conditions <strong>and</strong> to ensure duct runs drain to manholes <strong>and</strong> h<strong>and</strong>holes,<br />

<strong>and</strong> as approved by the LAWA Representative.<br />

1.8 EXTRA MATERIALS<br />

A. Furnish extra materials described below that match products installed <strong>and</strong> that are<br />

packaged with protective covering for storage <strong>and</strong> identified with labels describing<br />

contents.<br />

B. Furnish cable-support stanchions, arms, insulators, <strong>and</strong> associated fasteners in quantities<br />

equal to 5 percent of amount installed.<br />

PART 2 - PRODUCTS<br />

2.1 PRODUCTS AND MANUFACTURERS<br />

A. Manufacturers: Subject to compliance with requirements, provide products by one of<br />

the following:<br />

1. Underground Precast Concrete Utility Structures:<br />

a. Jensen Precast.<br />

b. Utility Vault Co.<br />

c. Brooks<br />

2. Frames <strong>and</strong> Covers:<br />

a. Alhambra Foundry<br />

UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS<br />

26 05 44 - 3 Electrical Systems

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