Wikimedi'Òc

CONTROL ROOM WITH SPRINKLER SYSTEM CONTROLS, INCLUDING MANUAL CONTROL BOXES FOR THE VENTILATION SYSTEM AND A PLC SWITCH FOR AUTOMATIC CO (CARBON MONOXIDE) SYSTEM. THE AIR TESTING SYSTEM HAER WA-184-92.tif - Fæ

Tunnel Light Inspection, Administrator Tinlin, October 15, 2015 (22003582598).jpg - Ser Amantio di Nicolao

Sumner Tunnel Emergency Response Drill, March 19, 2014 (13292190355).jpg - Ser Amantio di Nicolao

Sumner Tunnel Emergency Response Drill, March 19, 2014 (13292357033).jpg - Ser Amantio di Nicolao

HOC, Sumner Tunnel Emergency Training, March 19, 2014 (13264426495).jpg - Ser Amantio di Nicolao

HOC, Sumner Tunnel Cameras, Emergency Training, March 19, 2014 (13264426575).jpg - Ser Amantio di Nicolao

HOC, Sumner Tunnel Cameras View Emergency Training, March 19, 2014 (13264774514).jpg - Ser Amantio di Nicolao

Atlantic Terminal Emergency Exit Between Tracks 1 & 2.jpg - DanTD

Performing pressure tests on tunnel systems. 08-27-2019 (48647690906).jpg - Epicgenius