Work at the $435m Coast Guard headquarters building in Washington, US, will be complete in 2013, the Department of Homeland Security has said.
The department, which will occupy the building along with Coast Guard personnel, told the Federal Times that the project is on schedule and on budget.
The 102,193m² building is the first phase of a $3.4bn project that will consolidate 180 department offices around the Washington area into between seven and ten locations.
The building featuring green elements such as a grass roof and a reflecting pool for water runoff will be certified as Leadership in Energy & Environmental Design Gold.
The project received $200m from the American Reinvestment and Recovery Act and initial funds from the 2009 budget, according to the Federal Times.