double surface treatment

double surface treatment

Two successive treatments applied to a surface, such as asphaltic material followed by a mineral aggregate.
References in periodicals archive ?
Tenders are invited for Construction of the following described Project: Asphalt or Double Surface Treatment (Double Chip Seal) Roads include chip seal or asphalt to unimproved roads and patches to improved roads.
The project will be bid with a Base Bid and one Additive Bid as follows: The Base Bid work includes full-depth, cement-stabilized reclamation of the existing asphalt surface and underlying base course of Taxiway A west of the aircraft parking apron to a depth of 8 inches followed by a double surface treatment and 4" of P-401 asphalt surface.
Tenders are invited for The taxiway rehabilitation at the county airport includes a double surface treatment followed by a 3" bituminous overlay on the majority of the parallel taxiway system.