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Bid Package 08 North Well Field - Garney Construction

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TRANSFORMER TEST<br />

CHECK LIST<br />

1. Check transformer for physical damage.<br />

2. Check nameplate for correct rating and type per plans and wiring diagrams.<br />

3. Check all mechanical components (doors, latches, tap switches, etc.) for proper operation.<br />

4. Check for adequate ventilation, lighting, clearance and personnel protection per N. E. C. and manufacturer's<br />

recommendations. Note discrepancies.<br />

RECOMMENDED ADDITIONAL TESTS<br />

1. Take transformer oil sample and send to approved laboratory for analysis. Test report to include:<br />

a. Dielectric strength<br />

b. Color<br />

c. Interfacial tension<br />

d. Acid.<br />

Test results to be sent to the engineer and owner for review and records.<br />

2. Demonstrate operation of temperature switches, pressure switches and other protective devices.<br />

3. Perform overpotential tests per ANSI/IEEE for type and rating of transformer tested.<br />

4. Demonstrate operation of cooling fans if any.<br />

5. Record primary and secondary voltages, current, (under load), and tap settings, if applicable.<br />

T:\specs\<strong>Well</strong> Sites -Elect <strong>Package</strong>\Re<strong>Bid</strong> 05.2012\Div 26 Electrical\26 01 26.04 TRANSFORMER TEST REPORT.doc Page 2 of 2

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