Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 311 — GRANULAR SUBBASE
Illinois Standard Specifications for Road and Bridge Construction, Section 311. Full text, cross-references and related pay items on BuildSpec.
Art. 311.01 Granular Subbase 154 SECTION 311. GRANULAR SUBBASE 311.01 Description. This work shall consist of furnishing, placing, and compacting granular material on the prepared subgrade as shown on the plans. 311.02 Materials. Materials shall be according to the following. Item Article/Section (a) Coarse Aggregate .............................................................................. 1004.04 311.03 Equipment. Equipment shall be according to the following. Item Article/Section (a) Steel Wheel Rollers ....................................................................... 1101.01(e)…
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