Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 593 — CONTROLLED LOW-STRENGTH MATERIAL, BACKFILL
Illinois Standard Specifications for Road and Bridge Construction, Section 593. Full text, cross-references and related pay items on BuildSpec.
Controlled Low-Strength Material, Backfill Art. 593.03 521 compressed air, water under pressure, or hand sweeping. All structural steel and bearings shall be washed with water under pressure. All foreign debris shall be removed from truss members. All foreign material accumulated in the interior of members shall be removed. Areas which have been washed shall be free of all accumulate sand, gravel, dirt, bird nests and excrete, and other foreign materials. Free standing water shall be removed upon completion of washing. The Contractor shall provide adequate protection against worker inhalation…
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