Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1078 — LIGHT EMITTING DIODE (LED) TRAFFIC SIGNAL HEAD
Illinois Standard Specifications for Road and Bridge Construction, Section 1078. Full text, cross-references and related pay items on BuildSpec.
Light Emitting Diode (LED) Traffic Signal Head Art. 1078.01 1027 ASTM A 475, Utilities Grade or better. The other appurtenances shall be galvanized according to AASHTO M 232 and be according to the following. The anchor shall have a minimum expanded area of 125 sq in. (81,000 sq mm). The anchor rod shall have a nominal diameter of 5/8 in. (16 mm) and a minimum breaking strength of 11,500 lb (51,200 N). The guy guard shall be 7 ft (2.1 m) long, tapered, and made of 18 gauge steel minimum, except for sidewalk guys, the guy guards shall be made of heavy-duty plastic. The guy wire clamps shall be…
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