DC District Department of Transportation

350 McMillan Drive NW

Washington, DC 20001

The design and construction of the DC District Department of Transportation (DDOT) Materials Testing Lab expands the existing laboratory facility at 350 McMillan Drive NW, to consolidate operations, previously housed in two separate locations. The new building addition is set significantly back from McMillan Drive to maintain views between the existing building, the reservoir, and other buildings in this historic district. This setback also prevents the new facility from extending the wall of buildings facing the reservoir along McMillan Drive.

This project's scope included renovating and restoring the existing 2,000 SF, East Shaft Annex, constructing a new 10,000 SF addition, and related site work. The exterior walls and roofs of the existing building were preserved and restored to match the original condition closely. Additional space replaced modular structure additions that had been done previously and increased training and conference room space while improving lab spaces designed specifically for DDOT functions and operations.