Portfolio Category: Historic Renovation

National Archives Building Renovation

Historic renovation project including structural, interior, exterior, and MEP demolition, asbestos abatement, PCB ballast and mercury-vapor tube removal, lead based paint abatement, excavation and security vault demolition.  Work is multi-phased and conducted with multiple crews in an occupied building....

Main Treasury Renovation

Complete renovation of historic landmark including structural, architectural, mechanical, electrical, plumbing, and elevator demolition in occupied building.  Includes multi-phased work with multiple crews....

Capitol Visitor’s Center

Construction of 600,000 square foot underground visitors’ center with tie-in to existing historic structure.  Work includes major structural concrete demolition, excavation and architectural, mechanical, electrical and plumbing demolition. Project includes hazardous materials abatement.  Security clearance and off- hours work required....