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Design and Construction Handbook - Los Angeles World Airports

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Guide Specification<br />

C. Allow witnessing of factory inspections <strong>and</strong> tests at manufacturer's test facility. Notify LAWA<br />

at least seven days before inspections <strong>and</strong> tests are scheduled.<br />

PART 3 - EXECUTION<br />

3.1 INSTALLATION<br />

A. Install in accordance with NEMA PB 2.1.<br />

B. Tighten accessible bus connections <strong>and</strong> mechanical fasteners after placing switchboard.<br />

C. Install engraved nameplates.<br />

D. Install breaker circuit directory.<br />

E. Ground <strong>and</strong> bond switchboards.<br />

3.2 FIELD QUALITY CONTROL<br />

A. Inspect <strong>and</strong> test in accordance with NETA ATS, except Section 4.<br />

B. Perform inspections <strong>and</strong> tests listed in NETA ATS, Section 7.1.<br />

3.3 ADJUSTING<br />

A. Adjust operating mechanisms for free mechanical movement.<br />

B. Tighten bolted bus connections.<br />

C. Adjust circuit breaker trip <strong>and</strong> time delay settings to values as indicated on short circuit study.<br />

Refer to Overcurrent Protective Device Coordination Study.<br />

NOTE: These above adjustments shall be performed by a third party. These adjustments<br />

shall include but are not limited to, the following studies: short circuit study, coordination<br />

study <strong>and</strong> arc flash study.<br />

END OF SECTION 26 24 13<br />

SWITCHBOARDS<br />

26 24 13 - 6 Electrical Systems

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