Our portable, standard size mine refuge chamber, The Tommyknocker, supports 10 occupants. Custom sizes are available.	When supplied with a Refuge One Air Centre, the Tommyknocker serves as a complete mine refuge system.

Benefits of RANA’s Tommyknocker

Modular | Rugged

Addtional 2 ft (610 mm) sections can be added to comfortably accommodate the maximum number of expected occupants.
Heavy-duty, 12-gauge formed steel construction.

Portable

Four built-in laser-cut lifting lugs facilitate lifting and hoisting within a mine shaft.
Skid-mounted for easy relocation and forklift transport within a mine.

Independently powered

Equipped with 120V AC and 60 Hz battery charger inputs; 12V DC outputs
(other voltages/frequencies available).

Two air sources

May use the mine’s compressed air supply or function independently using a Refuge One Air Centre to supply breathable air.

 

Self-contained

When equipped with a Refuge One Air Centre.

Lighting

Internal lights operates on battery or mine power.
Externally mounted warning lights indicate when batteries require charging.

Reflective signage

Externally mounted and designed to be easily read in poor light conditions.

 

Air Lock | Leak tested

Two sealed doors maintain the internal air quality by providing an air lock.
Leak testing ensures toxic gases are kept out of chamber and breathable air stays in.

Seating | Bench Storage

Hinged, padded benches provide comfortable seating and extra storage.

Wall Cabinet

Contains drinkable water dispenser, first aid kit and provides extra storage.