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Strata Emergency Refuge Chambers

Strata Worldwide’s Tunneling Chambers are refuge chambers constructed specifically for tunneling applications. They can be mounted directly onto Tunnel Boring Machines (TBM’s), onto rails or placed within the tunnel while operations are active.



Chambers are complete safety systems designed to provide immediate shelter and breathable air in the event that air quality in the working environment becomes compromised. They are intended to be an alternative option when escape is not possible.

Strata Chambers

Chambers are equipped with a standard 48 hours of on-board breathable air, including a carbon dioxide scrubber with CO removal, 48 hours of battery back-up, lights, air conditioning with a dehumidifier, communications as required, gas monitoring, food , water and a lavatory. Download PDF brochure here and visit: http://www.strataworldwide.com