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Inspection Policy and Procedures for Rail Transit Tunnels and Underground Structures
Inspection Policy and Procedures for Rail Transit Tunnels and Underground Structures
Report Number: S-023
This synthesis will be of interest to transit agency general managers; design, maintenance, and standards engineers; and inspection and maintenance staff. This synthesis describes the current state of the practice for specific management policies and procedures and engineering/physical techniques used to inspect rail transit tunnels and underground structures. It discusses the available data on, different approaches of, and potential data inadequacies for agency rail transit tunnel inspection policies and procedures and inspection techniques.

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