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Highway and Rail Transit Tunnel Inspection Manual
2005 Edition
Glossary
- AASHTO
- American Association of State Highway and Transportation Officials
- AC
- Alternating Current
- ATSSA
- American Traffic Safety Services Association
- CCTV
- Closed Circuit Television
- Chord
- A line segment that joins two points on a curve
- CO
- Carbon Monoxide
- CWR
- Continuous Welded Rail
- DC
- Direct Current
- ETS
- Emergency Trip Switch
- FHWA
- Federal Highway Administration
- FRA
- Federal Railroad Administration
- FTA
- Federal Transit Administration
- Gunite
- Term commonly used for fine-aggregate shotcrete
- gpm
- Gallons per minute
- IES LM-50
- Illuminating Engineering Society, Lighting Measurements - 50
- IES RP-22
- Illuminating Engineering Society, Recommended Practices - 22
- ITE
- Institute of Transportation Engineers
- Km/h
- Kilometers per hour
- mph
- Miles per hour
- MTS
- Maintenance Testing Specifications
- MUTCD
- Manual on Uniform Traffic Control Devices
- NATM
- New Austrian Tunneling Method (synonymous with SEM)
- NBIS
- National Bridge Inspection Standards
- NBS
- National Bureau of Standards
- NEMA
- National Electric Manufacturers Association
- NETA
- InterNational Electrical Testing Association
- NFPA
- National Fire Protection Association
- OSHA
- Occupational Safety and Health Administration
- PEI
- Porcelain Enamel Institute
- SEM
- Sequential Excavation Method (synonymous with NATM)
- TBM
- Tunnel Boring Machine
- TSS
- Track Safety Standards
- UPS
- Uninterruptible Power Supply
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