Return to Cases
Rail TransitMetro Construction Company
Metro Tunnel Ventilation and Smoke Extraction Systems

Key Result
Tunnel fans and high-temperature smoke extraction motors pass fire safety tests for reliable line operation.
Metrics
Passed on the first try
Fire acceptance
~20%
Ventilation energy
12
Covered stations
Testimonial
Smoke extraction motors passed fire acceptance on the first try, and daily ventilation energy consumption is lower than the previous design. — M&E Systems Engineer, Metro Construction Company
