8/12/2019 Pre - functional Checklist documentation 1.docx

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A. 600V Network Protectors/480V Secondary Distribution:

1. Provide the services of a factory-trained manufacturersrepresentative to assist the Contractor in the installation and start-upservice of the equipment and to train Owner's personnel asspecified.

2. Start-up checklists: Perform the following final checks before Start-up:

a. Inspect transformer connections.

b. Inspect 600V disconnect connections.

c. Inspect grounding.

d. Validate protector element installation (furnished loose).

e. Verify control interconnections.

f. Check calibration/setting of protective devices from systemcoordination study.

g. Verify calibration/setting of digital metering.

3. Starting Procedures: Follow the manufacturer's written proceduresand the following as a minimum:

a. Visually and mechanically inspect to include the following:anchoring, grounding, torque of bus/cable connections, operationalcheck of drawout mechanism, manual/electrical trip/close operations,contact closure using slow closing method, arc chute inspection, andinstallation verification using manufacturer's checklist.

b. Correct current transformer ratios.

c. Conduct contact resistance test.

d. Perform operational/functional tests of protective relaying.

e. Perform operational/functional tests of digital metering.

f. Perform electrical and mechanical (key) interlock system operational

tests.

g. Conduct operational voltage testing with line voltage fromtransformer only and/or source feeder breaker open.