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What is Room Integrity Test?
For any gaseous fire suppression system, the Room Integrity test is required. Gas fire suppression systems work by releasing a gas agent into an enclosure and the gas then either reacts with the fire or reduces the oxygen level which then suppresses or extinguishes the fire. As safety protocols, for the fire suppression system to work properly to the standard, the enclosure needs to hold the gas for a certain period of time.
By ensuring that the enclosure needs to hold the gas for a certain period, the fire suppression system is said to work correctly.
How does it all work?
We can determine if the room has enough integrity to hold the type of gas agent the fire suppression system is designed for, by creating pressure in the room with a door fan test and then measuring the pressure release period with sensors to a pre-determined level.
This test predicts how long it will take for the gas to descend to a certain level without having to carry out a discharge of the system, which can be costly as well as disruptive
When doing the test, will it cause a disruption?
No, while testing is going on, people can work in the room, and it does not affect any equipment. The Main door is fixed with the door fan test equipment and it may block it for around 1 hour so apart from this you can use the room as per routine.
Is there any standards to follow or any guidance to keep?
The main standards that is recommended for Room Integrity Test based on commissioning of a system and the annual re-testing of an enclosure are EN15004 Annex E , ISO14520 and NFPA 2001 Annex C These are international standards that provide guidance on how to carry out the test and the frequency of re-testing.
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