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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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