ASHRAE STD 217
Non-Emergency Ventilation in Enclosed Road, Rail, and Mass Transit Facilities
|Publication Date:||1 January 2020|
This standard applies to enclosed transportation facilities consisting of road tunnels, railway tunnels, mass transit tunnels, and mass transit stations.
This standard provides criteria for non-emergency ventilation.
This standard addresses the design, construction, testing, commissioning, operation, and maintenance requirements of non-emergency ventilation systems and equipment.