Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 668 — PRESERVATION OF STONES AND OTHER MARKERS
Illinois Standard Specifications for Road and Bridge Construction, Section 668. Full text, cross-references and related pay items on BuildSpec.
Preservation of Stones and Other Markers Art. 668.03 583 667.03 Drainage Markers. Drainage markers shall be placed at the right-of- way line at the locations shown on the plans. They shall be erected according to Article 666.03. The reference in Article 666.03 to right-of-way markers shall be construed to include drainage markers. 667.04 Permanent Survey Markers. Except where it is necessary to install the tablet in an existing rock ledge, concrete pavement, or a structure, the markers shall be either precast or cast in place at the option of the Contractor. Class SI concrete shall be used…
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