Tunnelling

MineARC TunnelSAFE

Emergency refuge forms an integral part of a tunnelling project’s wider Emergency Response Plan (ERP). Fires, fall of ground, flooding, and the release of smoke and other forms of toxic gas are the types of incidents that can occur all too frequently, despite the high levels of planning and safety precautions in place. In these types of emergencies, where personnel become trapped without adequate ventilation and evacuation is no longer safe or practical, emergency refuge is designed to provide a secure ‘go-to’ area for personnel to gather and await extraction.
  
MineARC’s TunnelSAFE Range of Refuge Chambers are highly customisable to suit any project and can be built to comply with British Standard (BS EN 16191:2014) Safety Requirements for Tunnelling Machinery. They can also comply with the ITA’s “Guidelines for the Provision of Refuge Chambers Under Construction”.

 

 

TunnelSAFE ND Series

 

Inside a TunnelSAFE Refuge Chamber, a number of vital life support systems combine to create a safe, ongoing environment for occupants. Systems include primary and secondary oxygen supplies, air conditioning systems, positive pressure systems, electrical systems, gas detection and CO/CO2 absorption systems (referred to as ‘scrubbing’ systems).

The MineARC Positive Pressure Maintenance System (PPMS) is a unique piece of equipment, designed to help maintain a safe, breathable atmosphere within the refuge chamber. When activated, the PPMS disperses measured quantities of compressed, breathable air into the chamber, maintaining a positive pressure at 200kPa while operating in standalone mode.

 

STANDARD FEATURES

OPTIONAL FEATURES

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CHAMBER EXTERIOR - FRONT

Porthole Window

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

Strobe Lighting

Extra low voltage green and red LED lighting to allow for easy identification of the refuge chamber in an emergency.

Siren

112 DBA motion activated siren to allow for easy location of the refuge chamber in an emergency.

Lifting Lugs

Lifting lugs on all four corners of the chamber.

Skid Base

The skid base provides ease of mavoeuvrability, featuring 250 x 100mm forklift slots, front and rear mounted tow points and front mounted 25mm steel plate push blocks.

Fire Extinguisher

Fire extinguisher for external use only. Optional for non-Australian orders (supplied separately as Dangerous Goods). Fire blanket with BSI certification (AS/NZ S 3504) located inside chamber.

Sealing Door

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

Paint

High durability white paint for underground visibility. Sand blasted to 2.5 grit, and in compliance with AS/NZS 2312:2002.

Reflective Signage

Safety and operational signage in reflective stickering for high visibility underground. Translation into a second language available.

Positive Pressure Maintenance System

PPMS remote activation buttons, allowing safe entry to refuge chamber.

 

 

CHAMBER INTERIOR

Air Conditioning

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 .

Operating Procedures

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.

Not Pictured: MARCISORB Chemical Cartridges

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.

Flooring

Non slip, removable flooring is featured throughout the refuge chamber.

ELV Scrubber System

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

Seating

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.

Oxygen Supply #1: Mine Air

The MineARC Compressed Air Management System (CAMS) is a dedicated air management unit designed specifically for MineARC Refuge Chambers.

ELV Controller Interface

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.

Aura-FX Digital Gas Monitor

• Real-time gas monitoring with live analysis and voice prompting
• Monitor up to 11 gases at any one time

 

 

CHAMBER EXTERIOR - REAR

Air Conditioning Condenser

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 .

CAMS

The MineARC Compressed Air Management System (CAMS) is a dedicated air management unit designed specifically for MineARC Refuge Chambers.

Lifting Lugs

Lifting lugs on all four corners of the chamber.

Battery UPS

36 hour emergency backup power supply, with further options available for up to 96 hours (POA).

Communications Box

Communications box for internal communications port via wall mounted 'J' box. External antenna is fitted to front of chamber.

 

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  • TunnelSAFE MSV Design

    MineARC can custom engineer and manufacture refuge chambers to be mounted to a multi-service vehicle; providing a portable safe haven for workers during routine tunnel inspections and maintenance works. As a long term safety option for the entire life of the tunnel, these chambers are robust and fully serviceable.
     
    TunnelSAFE MSV Design Refuge Chambers can also be fitted with remote monitoring systems, or the client’s own remote control system. – More information

  • TunnelSAFE Gantry Design

    Providing safety at the rear of the cutting head infrastructure, MineARC TunnelSAFE Gantry Design (GD) Refuge Chambers offer a fixed safety solution for the life of the project.
     
    Regardless of size constraints, MineARC Engineers can custom design and manufacture each refuge chamber to meet the specific needs of the project, without compromising on occupancy potential or safety features. – More information

  • TunnelSAFE Rail Design

    MineARC can custom engineer and manufacture refuge chambers to be rail mounted or fixed to a tunnelling rescue train; providing a portable safe haven for workers 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.
     
    TunnelSAFE Rail Design (RD) Refuge Chambers can also be fitted with remote monitoring systems, or the client’s own remote control system. – More information

  • TunnelSAFE Standard Design

    For drill and blast tunnelling operations, MineARC has developed a standard range of portable refuge chambers that can be positioned and repositioned with ease, providing an ongoing safety solution for the life of the project. They offer an ideal solution for projects involving feeder tunnels and single-entry development headings, including sub-surface railway stations, hydro-power stations and other complex tunnel networks.
     
    The TunnelSAFE Standard Design (SD) Refuge Chamber provides miners with optimum safety features, functionality and performance, with configurations available based on occupancy – from 8 to 30 people. – More information

  • TunnelSAFE Slim Line

    For drill and blast tunnelling operations, MineARC has developed a standard range of portable refuge chambers that can be positioned and repositioned with ease, providing an ongoing safety solution for the life of the project. They offer an ideal solution for projects involving feeder tunnels and single-entry development headings, including sub-surface railway stations, hydro-power stations and other complex tunnel networks.
     
    The TunnelSAFE Slim Line (SL) features a slimmest shell in the range at 1.6m wide, designed specifically to accommodate tight tunnelling confines. – More information