Dulles Metrorail Utility Relocations Project

Owner: Metropolitan Washington Airports Authority
Location: Dulles, VA
Project Cost: $112.6 million

 

Project Type: Rail and Mass Transit, Heavy Civil  |  Procurement Type: Bid-Build
State: Virginia  |  Status: Completed

This 23.1-mile extension of the Metrorail system extends from East Falls Church to Washington Dulles International Airport west to Ashburn, and was constructed in the median of the Dulles International Airport Access Highway and Dulles Connector Road. The project, built in two phases, includes 11 new Metro stations.

Phase 1 of the project is a seamless 11.6-mile extension of Metrorail starting from the Orange Line at West Falls Church, proceeding along the Dulles Connector Road to an aerial alignment through Tysons Corner, with 4 stations in Tysons Corner, and an at-grade alignment to Wiehle Avenue station along the median of the Dulles International Airport Access Highway. MWAA was the owner and overseer during the procurement, design, and construction of the Dulles Corridor Metrorail Project. 

Lane was responsible for adjusting, relocating, and implementing utility systems in advance of the road improvement and Metrorail facilities construction work. Utility systems included:

  • Sanitary sewer
  • Water distribution
  • Electrical distribution
  • Communications
  • Verizon cathodic protection
  • Traction power feeder

Various means and methods of construction were utilized including 80 jack-and-bore crossings to minimize impacts to the public; utilization of innovative support of excavation systems; open cut trenching methods; detailed as-built documentation; and instrumentation monitoring program to monitor the existing infrastructure and critical facilities.