Highway and Rail Transit Tunnel Maintenance and Rehabilitation Manual

FHWA, FTA, 2004. – 108 p.This manual is an update to the version issued in May, 2003. It provides specific information for the maintenance and rehabilitation of both highway and rail transit tunnels. Although several components are similar in both types of tunnels, a few elements are specific to either highway or rail transits tunnels, and are defined accordingly. The following paragraphs explain the specific subjects covered along with procedural recommendations that are contained in this manual.Tunnel Construction and Systems
Tunnel Types
Ventilation Systems
Lighting Systems
Other Systems/Appurtenances
Preventive Maintenance
Preventive Maintenance of the Tunnel Structure
Preventive Maintenance of Mechanical Systems
Preventive Maintenance of Electrical Elements
Preventive Maintenance of Track Systems
Preventive Maintenance of Miscellaneous Appurtenances
Rehabilitation of Structural Elements
Water Infiltration
Concrete Repairs
Liner Repairs
Appendix: Life Cycle Cost Methodology

References