Multi-Service Vehicle Chamber – TunnelSAFE MSV Design

Multi-Service Vehicle Chambers are engineered to be mounted to a multi-service vehicle; providing a portable safe haven for tunnelling personnel during routine inspections and maintenance works. As a long term safety option for the entire life of the tunnel, these chambers are robust and fully serviceable.

tunneling-tbm-multi-service-vehicle-tunnelsafe-msv-design-10-person

Multi-Service Vehicle Chamber – Front View

The ‘face’ of the refuge chamber is designed primarily for easy identification and quick access during an emergency.

The strobe lighting, warning siren and reflective signage alert passers-by to the chamber’s location, whilst the rotating door handles provide simple, straight forward access to the safety of the interior.

High durability white paint for underground visibility. Sand blasted to 2.5 grit.
Safety and operational signage in reflective stickering for high visibility underground. Translation into a second language available.
Extra low voltage green and red LED lighting to allow for easy identification of the refuge chamber in an emergency.

12mm porthole viewing window, compliant with Australian Standard 2208. Blast shield protection available upon request.

Outward opening door, featuring double locking rotating handles. The vacuum tested seal maintains a positive internal pressure.

Multi-Service Vehicle Chamber - Interior View

Inside a TunnelSAFE Rail Design Refuge Chamber, a number of vital life-support systems combine to create a safe, ongoing environment for occupants. Systems include; primary and secondary air (oxygen) supplies, air conditioning systems, positive pressure systems, electrical systems, gas detection and a chemical scrubbing system.

The TunnelSAFE Rail Design uses active chemicals and MineARC’s ELV (extra-low-voltage) Scrubbing System to ‘scrub’ the build up of harmful CO2 (carbon dioxide) and CO (carbon monoxide) from the air inside the refuge chamber.

Operating procedures are located on the wall of the refuge chamber, as well as within hardcopy manuals. Operating procedures can be translated into a second language.

MineARC seating is ergonomically designed to provide suitable comfort during entrapment. Made from durable, hard wearing fabric, the seating provides 500mm of space per person.

The digital controller interface is the operational hub of the refuge chamber. From here, all power, lighting & scrubbing systems can be managed with the push of a button.

Air conditioning is vital to combat the potentially fatal effects of heat stress, caused by the occupant’s metabolic activity, as well as any ambient heat.

MineARC’s MARCISORB CO2 and MARCISORB CO cartridges provide superior scrubbing capacity, are easy to load, safe to handle, and can store for long periods.

The TunnelSAFE uses active chemicals and MineARC’s extra-low-voltage scrubbing system to ‘scrub’ the build up of harmful CO2 and CO from the chamber.

Comparison Table

Capacity * ITA/BS EN Compliance ** Aura-FX Gas monitoring CAMS Gantry Mobile Portable 24hrs Battery Backup
TunnelSAFE Standard Design
8-20
TunnelSAFE Crescent Design 10-24
TunnelSAFE MSV Design 10-24
TunnelSAFE Gantry Design 10-24
TunnelSAFE Narrow Design 12-24
TunnelSAFE Rail Design 10-24
TunnelSAFE Slim Line 12-24
  • * Capacity Every refuge chamber is built with a certain rated occupancy in mind. The life support systems are designed to safely house this number of people for the designated duration.
  • ** ITA/BS EN Compliance MineARC’s TunnelSAFE Refuge Chambers can be built to comply with British Standard (BS EN 16191:2014) Safety Requirements for Tunnelling Machinery and the ITA’s “Guidelines for the Provision of Refuge Chambers Under Construction.

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