West Virginia Division of Highways (WVDOH) · Standard Specifications for Roads & Bridges
Section 606 — Underdrains
West Virginia Standard Specifications for Roads & Bridges, Section 606. Full text, cross-references and related pay items on BuildSpec.
SECTION 606 UNDERDRAINS 606.1-DESCRIPTION: This work shall consist of constructing underdrains and free draining base trenches using pipe and granular material, aggregate filled engineering fabric, and underdrain pipe outlets in accordance with these Specifications and in reasonably close conformity with the lines, grades, dimensions and locations shown on the Plans or established by the Engineer. When Item 606025, “size” Underdrain Pipe, is included as a pay item in the Contract, any of the following pipe types may be furnished for construction of the underdrain: corrugated polyethylene…
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