9-11 Memorial Lobby Expansion - Washington, DC

This project included a lobby enlargement for the display of artifacts from the Twin Towers, Pentagon and Flight 93. The lobby addition was to an existing structure that provided structural support for an artifact from the Twin Towers.

Our scope of work included pile foundations, concrete grade beam design and structural steel framing adjacent to an existing facility.

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Square Footage

Renovation, Structural Steel Design and Construction Administration

Services