PROJECT COST: $122 million

Dwight D. Eisenhower Executive Office Building, Phase III
Photo: Courtesy GSA
Dwight D. Eisenhower Executive Office Building, Phase III

Key Facts: Location: Washington, D.C.
Owner: General Services Administration, Washington, D.C.
Contractor: Grunley Construction, Rockville, Md.
Architect: Hayes, Seay, Mattern & Mattern, Roanoke, Va.
Start Date: November 2009
Completion Date: March 2011

The third and final $122-million phase of restoration at the historic Dwight D. Eisenhower Executive Office Building in Washington, D.C., will modernize about 172,000 sq ft of the building used by the executive team serving the president. Construction began in November.

Design-build contractor Grunley Construction of Rockville, Md., completed phases one and two in 2007 and 2009, respectively. The renovation involves upgrading to new mechanical, electrical, windows, security and information technology systems. The scope includes hazardous materials remediation, architectural and structural modifications, force-protection systems and fire and life-safety equipment systems upgrades.

Hayes, Seay, Mattern & Mattern of Roanoke, Va., provided design serves for all three phases. Work continues as the building remains fully functional with the General Services Administration requiring no disruptions to staff or building systems.

The Eisenhower office building was originally built in the 1870s as the State, Navy and War Building. It is listed on the National Register of Historic Places. Completion of the third phase is scheduled for March.