spun pole shall be cured by a suitable wet steam process. Spun poles shall
have a water absorption of not greater than 3 percent to eliminate cracking
and to prevent erosion. Concrete poles shall have hollow shafts. Poles
shall have a hard, smooth, nonporous surface that is resistant to soil
acids, road salts, and attacks of water and frost. Poles shall not be
installed for at least 15 days after manufacture. Fittings and brackets
that conform to the concrete pole design shall be provided. Poles shall
conform to strength calculations performed by a registered professional
engineer and submitted in accordance with detail drawings portion of
paragraph SUBMITTALS.
2.11.4
Wood Poles
Wood poles shall conform to ATIS O5.1. Poles shall be pressure treated in
accordance with AWPA C4 with creosote conforming to AWPA P1/P13 and
oil-borne preservatives and petroleum conforming to AWPA P8 and AWPA P9.
Species listed in ATIS O5.1 for which a preservative treatment is not
specified in AWPA C4 shall not be used. Northern white cedar may be used
if treated as specified for western red cedar, and western fir may be used
if treated as specified for Douglas fir. Pole markings shall be located
approximately 3 m 10 feet from the butt of the pole or as approved. Poles
shall be machine trimmed by turning smooth full length and shall be roofed,
gained, and bored before pressure treatment.
2.11.5
Fiberglass Poles
Fiberglass poles shall conform to ANSI C136.20 and shall be designed
specifically for supporting luminaires and shall have factory-formed cable
entrance and handholes. Resin color shall be [dark bronze] [as indicated],
and pigment shall provide uniform coloration throughout entire wall
thickness. Finished surface shall be pigmented polyurethane which may be
omitted if the surface layer of the pole is inherently ultra-violet
inhibited. Minimum fiberglass content shall be 65 percent with resin and
pigment comprising the other 35 percent material content.
2.11.6
Anchor Bolts
Anchor bolts shall be the pole manufacturer's standard, but not less than
necessary to meet the pole wind and ice loading, herein and other specified
2.12
POLE LINE HARDWARE
Zinc coated hardware shall conform to IEEE C135.1 and ANSI C135.14, and
steel hardware material shall conform to ASTM A 575 and ASTM A 576.
Hardware shall be hot-dip galvanized in accordance with ASTM A 153/A 153M.
2.13
SERIES ROADWAY LIGHTING INSULATORS
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NOTE: Delete this paragraph when series roadway
lighting is not required.
**************************************************************************
Pin insulators shall be Class 55-5.
Line-post insulators shall be Class
57-1 or 57-11.
SECTION 16528A
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