NOTE: This section must be used in conjunction with
Section 16402 INTERIOR DISTRIBUTION SYSTEM; Section
16375A ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND;
Section 16370A ELECTRICAL DISTRIBUTION SYSTEM,
AERIAL; and any other guide specification sections
required by the design.
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All system components and appurtenances shall be installed in accordance
with the manufacturer's instructions and as shown. All necessary
operable data transmission system shall be provided.
3.1.1
All tubular radiator elements shall be plugged to prevent wind vibration
fatigue. All vertical tubular elements shall have drain holes near the
bottom. All outside connectors shall be snug and properly taped over with
3.1.2
Interior Work
All interior electrical work shall be installed as specified in Section
16402 INTERIOR DISTRIBUTION SYSTEM and as shown.
3.1.3
Exterior Work
3.1.3.1
Underground
Except as otherwise specified, underground electrical work shall be
installed as specified in Section 16375A ELECTRICAL DISTRIBUTION SYSTEM,
UNDERGROUND and as shown.
a.
Minimum burial depth for direct burial cable shall be 800 mm 30
inches, but not less than the depth of the frost line.
b.
Where direct burial cable will pass under sidewalks, roads, or
other paved areas, the cable shall be placed in minimum 25 mm 1
inch rigid galvanized steel conduit. Conduit may be installed by
jacking or trenching, as approved. When direct burial cable is to
be placed in heavy use areas other than paved areas and where the
cable may be subject to damage from heavy equipment, the cable
shall be placed in minimum 25 mm 1 inch rigid PVC conduit buried a
minimum of 1.1 m 42 inches below the surface.
c.
All direct burial cable shall be placed below a minimum 76.2 mm 3
inches wide plastic warning tape buried in the same trench or
slot. The tape shall be 300 mm 12 inches above the cable. The
warning tape shall be continuously imprinted with the words
"WARNING - COMMUNICATION CABLE BELOW" at not more than 1.2 m 48
inch intervals.
d.
Transitions from underground cable to aerial cable shall be as
specified for CONNECTIONS BETWEEN MEDIUM-VOLTAGE AERIAL AND
UNDERGROUND SYSTEMS in Section 16375A ELECTRICAL DISTRIBUTION
SYSTEM, UNDERGROUND.
e.
Splices shall be installed in cable boxes. Sufficient cable shall
be provided in each splicing location to properly rack and splice
SECTION 16790A
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