U.S. DEPARTMENT OF THE INTERIOR HEADQUARTERS BUILDING MODERNIZATION - OPTION 3 (Wing 3)
Project Details
Owner: General Services Administration
Contract Amount: $42,424,988
Notice to Proceed: 8/1/08
Date of Completion: 3/12/2010
Architect: Shalom Baranes Associates

Photo by Carl Cox.
This contract involved renovations to Wing 3 (250,000 SF) of the U.S. Department of the Interior Headquarters Building in Washington, DC. In prior phases Grunley modernized Wings 4, 5 and 6 (~660,000 SF) within the 1.29 million SF occupied structure. Highlights of this phase included:
- Replacement of the telecommunication and electrical systems, and associated wiring to include new switchgear and transformers.
- Replacement of the existing HVAC mechanical systems and associated pipe and duct to include new air handling units and integration with mechanical equipment installed in the previous wings.
- Modernization of the Central Plant and Cafeteria.
- Installation of eight large skylights over the Cafeteria dining space.
The DOI Modernization is a pilot project for certification as an environmentally friendly renovation under the U.S. Green Building Council's Leadership in Environment and Energy Design (LEEDâ„¢) - Existing Buildings program.


Last updated: October 25, 2011