Architect of the Capitol

Congress, Senate & Judiciary Buildings Perimeter Security

WAI provided mechanical, electrical, and plumbing engineering for multiple design-build Antiterrorism/Force Protection perimeter security retrofit projects at and around Capitol Square in Washington, DC.  These projects included perimeter security for the following buildings:

  • US Capitol
  • Cannon House Office Building
  • Rayburn House Office Building
  • Longworth House Office Building
  • Library of Congress
  • Supreme Court
  • Hart Senate Office Building
  • Russell Senate Office Building
  • Taft Memorial Carillon
  • Thurgood Marshall Judiciary Building

This work involved designing:  bollard lines, pop-up barriers, guard houses, underground vaults, major duct bank systems, new street lighting; as well as relocating and coordinating with: underground utilities (electrical, communications, storm, gas, steam, etc.), traffic lights, and traffic communication systems.

  • Location: Washington, DC
  • Construction Cost: $100 million (estimated)
  • Delivery Method: Design-Build
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