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Gas Detection Project: New Gas Detectors

21/10/2021

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​The FENZ gas detection project team is happy to announce the decision on our new gas detectors which is supported by management. The trials took place at NTC and Lake Ōkāreka in Rotorua, City Fire Station in Auckland and USAR sites across fires, chemical spills, medicals, USAR and specialist fire investigation where we simulated as close as possible to real events.

The project team would like to thank every member of the working group for providing the criteria we tested against, as well as the evaluation panel, represented by all divisions of Fire and Emergency service delivery, and the unions and associations for putting in all the extra time required. The firefighters who tested and gave feedback and opinions on the gas detectors were all highly skilled individuals who performed team activities perfectly; these people were of such a high calibre that you can be comfortable the decision is the right one.

These are our projected milestones although these are COVID-19 dependent. We have completed the replacement of the ImpactPros with MultiRaes, with our next milestone in November 2021 - the arrival of the first PGMs and single gas COs.



We present the three levels of gas detection for Fire and Emergency:
Personal CO Monitors (COM)
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This is the Industrial Scientific Tango, which will be handed out at wildfire events by the IMT. This is a robust and small unit (126g) that can become part of your normal kit without getting in your way.

New Zealand regulations and laws require that you are not exposed to more than 400ppm at any stage of your work and no more than an average of 25ppm across an eight-hour shift. (These can be adjusted to reflect longer shift times, e.g. 17.5 for a 10 hour shift).
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As CO is naturally dealt with by your body in lower concentrations, you will be provided with training on managing the exposures, and members of the IMT will be given solid data for strategy and risk mitigation decisions.

Personal Gas Monitors (PGM)
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From the same manufacturer comes the VentisPro 5 gas monitor. This highly visible monitor is also small (200g) and attaches to your radio loops on wildfire and structural PPE. It will monitor:

  • Flammable gases
  • Oxygen
  • Carbon Monoxide (CO)
  • Hydrogen Cyanide (HCN)
  • Hydrogen Sulphide (H2S)

It will give you much more protection at fires, gas leaks, refrigerant plants, accidental and self-harm medical events, confined spaces and post fire investigations.

This monitor won all our shortlisting and firefighting tests and coming from the same manufacturer as the COM means it has the same user menus, simplifying your training and operation. It also comes with a future state function of live monitoring on the incident ground via wireless.

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Survey Device (SD)
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This detector is slightly different in that we have a panel of suppliers from the four biggest gas detector manufacturers in the world - Honeywell/Rae, Drager, Industrial Scientific and MSA.
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In two years, we will revisit the SDs and trial the best fit for the future. Meanwhile for the next two years you will continue to have the Interim RAE MultiRae lite on the PRT and HazMats and soon we will bring another MultiRae to the hazmats, with extra gases, namely NH3 and Cl2.

SOPs
We will soon commence a station pilot to fine-tune our standard operational procedures, then roll out a refined solution next year. The final allocation details on this pilot are governed by a few technical requirements that are still under investigation. We will cover large metropolitan, provincial metropolitan, composite and busy volunteer stations. Wildfire will be covered in a separate SOP trial to be confirmed with region management.

Milestones
These are our projected milestones although these are COVID-19 dependent. We have completed the replacement of the ImpactPros with MultiRaes, with our next milestone in November 2021 - the arrival of the first PGMs and single gas COs.
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