DESIGN/BUILD HIGHWAY BLASTING o CASE STUDY

摘要

The New Mexico Department of Transportation (NMDOT) and the Federal Highway Administration (FHWA) have let a contract to Sierra Blanca Constructors for a design / build contract along 38 miles US 70 in Lincoln County,New Mexico.The project will improve safety of travel along the corridor and facilitate the adopted economic development goals of the state.Proposed improvements include widening the existing highway from two lanes to four lanes,providing left turn lane options at selected locations,improving access for businesses and residences,aesthetically enhancing retaining walls,improving storm drainage and replacing the existing pavement with a 30 year mechanistic imperialistic perpetual pavement design