US Department of Homeland Security Headquarters - Phase 1

Tishman-AECOM, a joint-venture of Tishman Construction Corporation and AECOM Technology Corporation, is serving as Construction Manager for Phase 1 of the US Department of Homeland Security's (DHS) new headquarters at the former St. Elizabeths psychiatric hospital campus in Washington, DC. The Phase 1 construction program involves multiple, interdependent projects, beginning with the new US Coast Guard Headquarters building, parking structure, 80+ megawatt co-generation plant, and infrastructure projects.

The overall DHS headquarters consolidation is the largest current construction project in the US and the largest federal project since construction of the Pentagon. All phases of the construction program, estimated to be US$3 billion to US$4 billion, are scheduled for completion during 2016.

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