Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 850 — MAINTENANCE OF EXISTING TRAFFIC SIGNAL INSTALLATION
Illinois Standard Specifications for Road and Bridge Construction, Section 850. Full text, cross-references and related pay items on BuildSpec.
Art. 845.05 Maintenance of Existing Traffic Signal Installation 720 required to facilitate roadway construction. Underground conduits and cables shall be separated from the foundation at 2.5 ft (750 mm) below grade and shall be abandoned or reused as indicated. The grounding electrode shall be removed or cut off to the same depth as the concrete. Existing steel helix foundations shall be removed and disposed of according to Article 842.04. The void caused by the removal of the foundations shall be backfilled according to Article 841.02. 845.06 Basis of Payment. Removal of lighting controllers…
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