Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 601 — PIPE DRAINS, PIPE UNDERDRAINS, AND FRENCH DRAINS
Illinois Standard Specifications for Road and Bridge Construction, Section 601. Full text, cross-references and related pay items on BuildSpec.
Pipe Drains, Pipe Underdrains, and French Drains Art. 601.02 523 DIVISION 600. INCIDENTAL CONSTRUCTION DRAINAGE RELATED ITEMS SECTION 601. PIPE DRAINS, PIPE UNDERDRAINS, AND FRENCH DRAINS 601.01 Description. This work shall consist of constructing pipe drains and pipe underdrains of the required inside diameter, and constructing french drains consisting of trenches filled with aggregate. Pipe underdrains, pipe underdrains in backslopes, and pipe underdrains for structures shall be designated as follows. Type Description Pipe Underdrains, Type 1 A perforated pipe, encased in fabric, installed…
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