Washington, DC

• Direct fixation track construction
• Tight construction tolerances
• Tunnel environment
• Installation of 30,100 sf of direct fixation track
• 60,200 lf of continuous welded rail
• Installation of No. 10 direct fixation double crossover

Installation of 30,100 lf of direct fixation track which includes cold planing 100,000 sf of concrete invert, placement of 60,200 lf of grout pad, drilling of 50,000 holes for placement of threaded inserts and installation of 60,200 lf of continuous welded rail.  Installation of 5,400 lf of restraining rail, installation of one No. 10 direct fixation double crossover, installation of 31,500 lf of composite contract rail, installation of four rail lubricators, installation of rail bonds, installation of contact rail cable and connections.