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Crossarms shall be bolted to poles with 15.9 mm 5/8 inchthrough-bolts with
square washers at each end. Bolts shall extend not less than 3 mm 1/8 inch
nor more than 50 mm 2 inches beyond nuts. On single crossarm construction,
the bolt head shall be installed on the crossarm side of the pole.
[Fiberglass] [Metal] [Wood] crossarm braces shall be provided on crossarms.
Flat braces may be provided for 2.4 m 8 foot crossarms and shall be 6.4 by
31.8 mm, 1/4 by 1-1/4 inches, not less than 700 mm 28 inches in length.
Flat braces shall be bolted to arms with 9.5 mm 3/8 inch carriage bolts
with round or square washers between boltheads and crossarms, and secured
to poles with 50.8 by 101.6 mm 1/2 by 4 inch lag screws after crossarms are
leveled and aligned. Angle braces are required for 3.1 m 10 foot crossarms
and shall be 1.5 m 60 inch span by 457.2 mm 18 inch drop formed in one
piece from 38.1 by 38.1 by 4.8 mm 1-1/2 by 1-1/2 by 3/16 inch angle. Angle
braces shall be bolted to crossarms with 50.8 mm 1/2 inch bolts with round
or square washers between boltheads and crossarms, and secured to poles with
15.9 mm 5/8 inch through-bolts. Double crossarms shall be securely held
in position by means of 15.9 mm 5/8 inch double-arming bolts. Each
double-arming bolt shall be equipped with four nuts and four square washers.
3.3.1
Line Arms and Buck Arms
Line arms and buck arms shall be set at right angles to lines for straight
runs and for angles 45 degrees and greater; and line arms shall bisect
angles of turns of less than 45 degrees. Dead-end assemblies shall be used
for turns where shown. Buck arms shall be installed, as shown, at corners
and junction poles. Double crossarms shall be provided at ends of joint
use or conflict sections, at dead-ends, and at angles and corners to
provide adequate vertical and longitudinal strength. Double crossarms
shall be provided at each line-crossing structure and where lines not
attached to the same pole cross each other.
3.3.2
Equipment Arms
Equipment arms shall be set parallel or at right angles to lines as
required to provide climbing space. Equipment arms shall be located below
line construction to provide necessary wire and equipment clearances.
]3.4
FIELD QUALITY CONTROL
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NOTE: Select types to suit project conditions and
delete all others. Delete all paragraphs not
applicable. Tests must be justified.
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3.4.1
General
[Field testing shall be performed in the presence of the Contracting
Officer. ]The Contractor shall notify the Contracting Officer [_____] days
prior to conducting tests. The Contractor shall furnish materials, labor,
and equipment necessary to conduct field tests. The Contractor shall
perform tests and inspections recommended by the manufacturer unless
specifically waived by the Contracting Officer. The Contractor shall
maintain a written record of tests which includes date, test performed,
personnel involved, devices tested, serial number and name of test
equipment, and test results.
Field reports will be signed and dated by
SECTION 16301N
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