 The first major construction contract, worth nearly $100 million, was awarded to Balfour Beatty (formerly Centex Construction), in the spring of 2002.This contract involved site demolition, slurry wall construction, excavation, construction of columns, installation of site utilities, construction of the concrete and structural steel, waterproofing, and construction of a new service tunnel.By July 2005, Balfour Beatty Construction completed all excavation and structural activities, and the roof deck covered the entire CVC structure.