Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 108 — PROSECUTION AND PROGRESS
Illinois Standard Specifications for Road and Bridge Construction, Section 108. Full text, cross-references and related pay items on BuildSpec.
Art. 107.41 Prosecution and Progress 50 The above requirements do not prohibit the operation of an auxiliary power unit or generator set as an alternative to idling the main engine of a motor vehicle operating on diesel fuel. (b) Diesel Vehicle Emissions Control. All equipment on the jobsite, with engine ratings of 50 hp and above, shall exclusively use Ultra Low Sulfur Diesel (ULSD) fuel (15 ppm sulfur content or less). The term “equipment” refers to any and all diesel powered devices to be used on the project site in excess of seven calendar days over the course of the construction period…
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