Gas systems leak - it's official! The need for improving safety by continious monitoring

Too often in the fire industry it feels like the certification is driving the maintenance, with its insurance consequence for the asset owner and service revenue for the contractor, rather than maintenance [for safety sake] driving its consequential certification. The ‘ungoverned space’ is the area in the fire industry where either the regulations or the protecting systems of the critical infrastructure are not effectively providing consistent and reliable safety.

People expect, and rightfully so, that in the event of a fire the extinguishing systems would be in full working order to do just that – extinguish. Given that the gaseous systems are designed specifically to the individual need of that room, building e.t.c, then a leak sites in the room could meant that the comparted area couldn’t withhold the fire. The likelihood of the gaseous system effectively extinguishing the fire gets lower and lower as the protected area becomes larger than the size that the extinguishing system was designed for. This is not a game of chance. The lives of people depend upon it.

Although many in the fire industry work towards meeting better standards, in their experience, Coltraco have numerous concerning anecdotes of non-compliance: systems portrayed and installed by contractors as Novec 1230 gas suppression system but filled with sand or water… room integrity testing with questionable results and with the room integrity remaining un-monitored after testing.

Gaseous Extinguishing Systems

The regulations are not extensive enough to deal with the risks presented in gaseous systems. In 9.2.1.3 the regulations explains that the storage container contents shall be checked at least every six months as follows. : a) Liquefied gases: for halocarbon agents, if a container shows a loss of agent in quantity of more than 5 % or a loss of pressure (adjusted for temperature) of more than 10 %, it shall be refilled or replaced. b) Non-liquefied gases: for inert gas agents, pressure is an indication of agent quantity. If a container shows a loss of agent quantity or a loss of pressure (adjusted for temperature) of more than 5 %, it shall be refilled or replaced. Essentially, it is known in regulations that the gaseous systems leak and need to be maintained. Given that the gaseous systems are designed specifically to the individual need of that room, building e.t.c, a 5% loss of agent may mean that they would not fully extinguish the fire.

Coltraco have now developed a fixed fire suppression monitoring device, the Permalevel® MULTIPLEX which designed for permanent contents verification. The continuous monitoring system is  designed  to  ensure  that fire  suppression  systems  are  always  fully operational and that no accidental discharge has occurred, which could affect the effectiveness of the overall fire protection system in the event of a fire. The neglect of continuous monitoring - of the fundamental protection provided by the gaseous extinguishing systems - is to the peril of the lives of occupants of the premises and at the risk of crippling financial and reputational loss to the facility comprising the critical infrastructure.

The device uses the Internet of Things (IoT). IoT enables a worldwide transmission of data starting from sensor to sensor to the microprocessors and to the facilities manager or maintenance team. Instead of waiting for annual checks, it would improve safety to have these cylinders constantly monitored using ultrasonic sensors. Now, by coupling with IoT developments, this enable their status to be visible to safety managers and building owners.

Figure 1: The Permalevel® Multiplex which uses the Internet of Things to transmit data about the liquid level of fire suppression cylinders continuously

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