Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1094 — OVERHEAD SIGN STRUCTURES
Illinois Standard Specifications for Road and Bridge Construction, Section 1094. Full text, cross-references and related pay items on BuildSpec.
Art. 1094.04 Overhead Sign Structures 1084 1094.04 Mounting Hardware. Carbon steel bolts, nuts, and washers shall be according to ASTM A 307, Grade A and shall be hot-dip galvanized according to AASHTO M 232, Class D. 1094.05 Structural Aluminum. The aluminum alloys to be welded under these specifications may be any of the following ASTM designations. (a) Aluminum Fabrication. Aluminum shall be assembled, welded, and inspected according to AWS D1.2/D1.2M Structural Welding Code- Aluminum, except as herein modified. (b) Load-carrying Elements. All primary load carrying elements shall be…
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