West Virginia Division of Highways (WVDOH) · Standard Specifications for Roads & Bridges
Section 420 — Single / Multiple Course Micro Surfacing
West Virginia Standard Specifications for Roads & Bridges, Section 420. Full text, cross-references and related pay items on BuildSpec.
SECTION 420 SINGLE / MULTIPLE COURSE MICRO SURFACING 420.1-DESCRIPTION: This section covers the materials, equipment, construction and application procedures for placing Micro Surfacing material for filling ruts and for surfacing existing paved surfaces. The Micro Surfacing is a mixture of a latex -modified asphalt emulsion, crushed mineral aggregate screenings, mineral filler, water and other additives for control of set time in the field. All ingredients are to be properly proportioned, mixed and spread on the paved surface in accordance with this Specification and as directed by Engineer.…
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