finished [floor] [paving or grade] and sloped to drain. Edges of concrete
pads shall have 19 mm 3/4 inch chamfer. Conduits for primary, secondary,
and grounding conductors shall be set in place prior to placement of
concrete pads. Where grounding electrode conductors are installed through
concrete pads, PVC conduit sleeves shall be installed through the concrete
to provide physical protection. To facilitate cable installation and
termination, the concrete pad shall be provided with a rectangular hole
below the primary and secondary compartments, sized in accordance with the
manufacturer's recommended dimensions. Upon completion of equipment
installation the rectangular hole shall be filled with masonry grout.
3.7.1.2
Concrete and Reinforcement
Concrete work shall have minimum 20 MPa 3000 psi compressive strength and
comform to the requirements of Section 03300A CAST-IN-PLACE STRUCTURAL
CONCRETE. Concrete pad reinforcement shall be in accordance with Section
03200A CONCRETE REINFORCEMENT.
3.7.1.3
Sealing
When the installation is complete, the Contractor shall seal all conduit
and other entries into the equipment enclosure with an approved sealing
compound. Seals shall be of sufficient strength and durability to protect
all energized live parts of the equipment from rodents, insects, or other
foreign matter.
3.7.2
Padlocks
Padlocks shall be provided for pad-mounted equipment and for each fence
gate. Padlocks shall be keyed [alike] [as directed by the Contracting
Officer].
3.7.3
Fencing
**************************************************************************
NOTE: Delete this paragraph when fencing is not
required. Ensure adequate space between the
transformer and the fence for equipment operation in
accordance with IEEE C2.
**************************************************************************
Fencing shall conform to the requirement of and be installed in accordance
with Section 02821A FENCING. Fences shall provide working clearances for
operation and maintenance in accordance with IEEE C2. The entire space
between fences and concrete pads shall be excavated to a minimum depth of
100 mm 4 inches below finished gradelines, shall be graded to reasonably
level surfaces, and filled with well-compacted clean coarse gravel or
crushed stone of 13 to 40 mm 1/2 to 1-1/2 inches graded size up to finished
gradelines. Space between fences and concrete pads shall be excavated to a
minimum depth of 100 mm 4 inches below finished gradelines, shall be graded
to reasonably level surfaces, and filled with well-compacted clean coarse
gravel or crushed stone of 13 to 40 mm 1/2 to 1-1/2 inches graded size up
to finished gradelines.
3.8
CONNECTIONS BETWEEN AERIAL AND UNDERGROUND SYSTEMS
Connections between aerial and underground systems shall be made as shown.
Underground cables shall be extended up poles in [guards] [conduit] to
cable terminations. Conduits shall be secured to the poles by 2-hole
SECTION 16375A
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