U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


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Bridges & Structures

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Highway & Rail Transit Tunnel Maintenance & Rehabilitation Manual

2005 Edition

Glossary

  • AC Alternating Current
  • ACI American Concrete Institute
  • ADT Average Daily Traffic
  • AWS American Welding Society
  • BART Bay Area Rapid Transit
  • CIP Cast-In-Place
  • CO2 Carbon Dioxide
  • DC Direct Current
  • FHWA Federal Highway Administration
  • FTA Federal Transit Administration
  • MTS Maintenance Testing Specifications
  • NACE National Association of Corrosion Engineers
  • NETA InterNational Electrical Testing Association
  • NFPA National Fire Protection Association
  • PVC Polyvinyl Chloride
  • OSHA Occupation Safety and Health Administration
  • SCADA Supervisory Control And Data Acquisition
  • SEM Sequential Excavation Method
  • TBM Tunnel Boring Machine
  • USDOT United States Department of Transportation
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Updated: 06/19/2013
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000