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TranSystems Corporation - LGM Construction

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

3.6 FOLLOW-UP SERVICE<br />

A. Voltage Monitoring and Adjusting: Perform the following voltage monitoring within six months after Final<br />

Acceptance:<br />

1. During a period of normal load cycles, perform seven days of continuous three-phase voltage recording<br />

at secondary terminals of each substation transformer. Voltage unbalance greater than 1% between<br />

phases, or deviation of any phase voltage from nominal value by more than plus or minus 5 percent<br />

during test period, is unacceptable.<br />

2. Corrective Actions: If test results are unacceptable, perform the following corrective actions, as<br />

appropriate:<br />

a. Adjust transformer taps.<br />

b. Prepare written request for voltage adjustment.<br />

3. Retests: After corrective actions have been performed, repeat monitoring until satisfactory results are<br />

obtained.<br />

4. Report: Prepare written report covering monitoring and corrective actions performed.<br />

END OF SECTION 16371<br />

12 KV – 480/277V SECONDARY DOUBLE-ENDED UNIT SUBSTATIONS 16371-13

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