Engine-Generator Set

4.

Perform a capacity load test.

3.5.1.5

Engine-Generator Set

a.

Visual and mechanical inspection

1.

Compare equipment nameplate data with specifications and approved

shop drawings.

2.

Inspect physical and mechanical condition.

3.

Inspect for correct anchorage and grounding.

b.

Electrical and mechanical tests

1.

Perform an insulation-resistance test on generator winding with

respect to ground. Calculate polarization index.

2.

Perform phase rotation test to determine compatibility with load

requirements.

3.5.1.6

Grounding System

a.

Visual and mechanical inspection

1.

Inspect ground system for compliance with contract plans and

specifications.

[b.

Electrical tests

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NOTE: For SOUTHNAVFACENGCOM projects, delete

"Electrical tests" below.

**************************************************************************

1. Perform ground-impedance measurements utilizing the

fall-of-potential method. On systems consisting of interconnected

ground rods, perform tests after interconnections are complete.

On systems consisting of a single ground rod perform tests before

any wire is connected. Take measurements in normally dry weather,

not less than 48 hours after rainfall. Use a portable ground

testing megger in accordance with manufacturer's instructions to

test each ground or group of grounds. The instrument shall be

equipped with a meter reading directly in ohms or fractions

thereof to indicate the ground value of the ground rod or

grounding systems under test.]

3.5.2

Functional Acceptance Tests

**************************************************************************

NOTE: Include the bracketed option below for

LANTNAVFACENGCOM projects.

**************************************************************************

The tests shall be performed by the start-up engineer. Upon successful

test completion, the start-up engineer shall provide the Contracting

Officer with a written test report within 15 calendar days showing the

tests performed and the results of each test. The report shall include the

completed approved test data forms and certification from the start-up

SECTION 16237N

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