White Paper
Operational Strategies for Emergency Smoke Ventilation in Tunnels
Abstract
This White Paper establishes guidelines for emergency ventilation of tunnels in the event of a fire.
Document History
| Document Number | Version | Publication Date | Publication | Related Information |
|---|---|---|---|---|
| APTA SS-SEM-WP-013-10 | 03/15/2010 | Published | Current |
Keywords
equalization, suspension, wheel load equalization, wheel unloading
Summary
This standard establishes static wheel load equalization requirements to provide passenger equipment with the wheel unloading characteristics necessary to reduce the risk of low-speed wheel climb derailments. The Standard includes requirements for testing to verify compliance with the standard.
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