APTA RT-SC-RP-039-03
Yard and Shop Intercom System Inspection, Testing and Maintenance
Abstract
This recommended practice provides guidelines for inspecting, testing and maintaining rail transit yard and shop intercom systems.
Keywords: communication, inspection, intercom system, maintenance, PA, public address system, test, testing, yard and shop page, yard and shop public address system
Summary
This document establishes recommended guidelines for inspecting, testing and maintaining rail transit yard and shop intercom systems.
Document History
| Document Number | Version | Publication Date | Publication | Related Information |
|---|---|---|---|---|
| APTA RT-SC-RP-039-03 | Rev. 1 | 12/04/2025 | Published | Current |
| APTA RT-SC-RP-039-03 | Original | 09/28/2003 | Published | Superseded |
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