GSA Central Building

Location: Washington, DC
Owner: U.S. General Services Administration, NCR
General Contractor: Whiting-Turner/Walsh JV 
Value: $2.6 Million
Date Complete: August 2012

This project included the installation of 49 foundation caissons ranging in diameter from 30 to 102in for the modernization of the GSA Headquarters building. The structure was originally constructed in 1917 and updated in 1935. The five year modernization will be phased into two overlapping parts.