Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 301 — SUBGRADE PREPARATION
Illinois Standard Specifications for Road and Bridge Construction, Section 301. Full text, cross-references and related pay items on BuildSpec.
Subgrade Preparation Art. 301.04 143 DIVISION 300. SUBGRADES, SUBBASES, AND BASE COURSES SUBGRADE SECTION 301. SUBGRADE PREPARATION 301.01 Description. This work shall consist of preparing the completed or existing earthwork as an unimproved subgrade prior to constructing the pavement structure, shoulders, or appurtenances. 301.02 Equipment. Equipment shall be according to the following. Item Article/Section (a) Steel Wheel Roller .............................................................................. 1101.01 (b) Tamping Roller…
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