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Red Tunnel 2nd and D Street, SE, Washington, D.C.

A. Morton Thomas and Associates, Inc. (AMT) performed survey services in support of the engineering design of the renovation of the failing ceiling of the utility tunnel serving the Architect of the Capitol (AOC) properties. Survey services included topographic survey of street right of way above the utility tunnel, establishment of street right of way and adjacent property lines, property ownership information survey of public utilities and interior tunnel as-built location survey. The subsurface survey was completed under extreme conditions including confined space, which required special hazard training. Deliverables included electronic MicroStation/ CAD files with supporting DTM files of base map drawing in AOC CAD standards.

Red Tunnel - 2nd Street, SE and NE from North Carolina Avenue, SE to Constitution Avenue, NE (3,000 LF).

Other AOC projects include:

• Russell Senate Office Building -Topographic and Utility Survey
• Ford House Office Building - Topographic and Utility Survey
• AOC Telecom from Ford House Building to Rayburn Building - Topographic and Utility Survey
• Cannon Building Parking
• Capital Power Plant and Coal Yard - Topographic and Utility Survey
• Cannon Building Parking - Topographic and Utility Survey
• AOC Parking Garage 9 - Boundary, Topographic and Utility Survey
• Overall Aerial Mapping of AOC - Properties - Aerial Mapping and Digital Ortho Images
• U.S. Capital West Lawn Tent Pavilion for Memorial Day and July 4th Performance - Construction Stakeout
• AOC Yellow Tunnel - Subsurface Hazard Survey

Other Surveying and GPS Projects

• Anacostia River Walk, Washington, DC
• Woodrow Wilson Bridge, Alexandria, Virginia
• On-Call Field Surveying Services, State Highway Administration, Statewide, Maryland
• Southeast Federal Center, Washington, D.C.
• On-Call Surveying Services, Fairfax County, Virginia
• Red Tunnel 2nd and D Street, SE, Washington, D.C.
• BWI Amtrak Station Surveying Services, Hanover, Maryland
• Minnesota Avenue Metro Station, Washington, D.C.
• Anacostia Light Rail - Car Storage Facility, Washington, D.C.