NOTE: LANTNAVFACENGCOM Projects should use
LANTNAVFACENGCOM Section 16303N in lieu of Section
16302N.
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Make joints in grounding conductors and ground loop by exothermic weld or
compression connector. Exothermic welds and compression connectors shall
be installed as specified in [Section 16302N UNDERGROUND TRANSMISSION AND
DISTRIBUTION][_____].
3.2.4
Grounding and Bonding Equipment
UL 467, except as indicated or specified otherwise.
3.3
FOUNDATION FOR EQUIPMENT AND ASSEMBLIES
Mount switch on concrete slab. Slab shall be at least 300 mm 12 inches
thick, reinforced with a 152 x 152 - MW19 x MW19 6 x 6 - W2.9 x W2.9 mesh,
placed uniformly 100 mm 4 inches from the top of the slab. Slab shall be
placed on a 150 mm 6 inch thick, well-compacted gravel base. Top of
concrete slab shall be approximately 100 mm 4 inches above finished grade.
Edges above grade shall have 15 mm 1/2 inch chamfer. Slab shall be of
adequate size to project at least 200 mm 8 inches beyond equipment.
Stub up conduits, with bushings, 50 mm 2 inches into cable wells in the
concrete pad. Coordinate dimensions of cable wells with switch cable
training areas. Concrete work shall be as specified in Section 03300N
CAST-IN-PLACE CONCRETE.
3.4
FIELD QUALITY CONTROL
3.4.1
Performance of Acceptance Checks and Tests
Perform in accordance with the manufacturer's recommendations, NFPA 70B,
NETA ATS and referenced ANSI standards.
Include the following visual and mechanical inspections and electrical
tests, performed in accordance with NETA ATS.
3.4.1.1
Switchgear
a.
Visual and Mechanical Inspection
(1) Compare equipment nameplate information with specifications
and approved shop drawings.
(2)
Inspect physical and mechanical condition.
(3) Check for proper anchorage, alignment, required area
clearances, and grounding.
(4) Perform mechanical operator tests in accordance with
manufacturer's instructions.
(5)
Verify that insulating SF6 gas pressure is correct.
(6)
Inspect all indicating devices for proper operation.
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SECTION 16341N
Page 13
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