What is the minimum area of Electrical room required Clean Agent protection system?
Please confirm the NFPA clause refers to the above.
Hi, you will not find in NFPA minimum size of the room to be protected with gas fire suppression system. Before providing any gas fire suppression system, we should check how valuable is this electrical room. If there is not going to be major physical damage loss and operational loss during a fire, you can avoid protection system.
Please find below clauses from NFPA-13
22.214.171.124 UNLESS THE REQUIREMENTS OF 126.96.36.199ARE MET,SPRINKLERS PROTECTION SHALL BE REQUIRED IN ELECTRICALROOMS.188.8.131.52 HOODS OR SHIELDS INSTALLED TO PROTECT IMPORTANT ELECTRICALEQUIPMENT FROM SPRINKLER DISCHARGE SHALL BE NON COMBUSTIBLE.184.108.40.206 SPRINKLERS SHALL BE NOT REQUIRED IN ELECTRICAL EQUIPMENTROOMS WHERE ALL OF THE FOLLOWING CONDITIONS ARE MET:DECLARATION NOTES: ELECTRICAL ROOM & ELV ROOM1.)THE ROOM IS DEDICATED TO ELECTRICAL EQUIPMENT ONLY.2.)ONLY DRY-TYPE ELECTRICAL EQUIPMENT IS USED.3.)EQUIPMENT IS INSTALLED IN A 2-HOUR FIRE-RATED ENCLOSURE INCLUDINGPROTECTION FOR PENETRATIONS.4.)NO COMBUSTIBLE STORAGE IS PERMITTED TO BE STORED IN THE ROOM.
Dear Muhammad Jamsheer,
Thanks for your kind response.
The question is if Clean Agent system preferred for Electrical/ELV/telephone/computer room/BMS room, what is the minimum area of room shall be considered?
Proposing the clean agent system for smaller area of electrical rooms (say less than 16m2) is not economical.
My query is about NFPA speak about this and the related clause.
It is almost never a good idea to put clean agent systems in electrical/ELV/telephone/computer rooms/BMS rooms no matter what the size.
I refer you to NFPA 75 standard for fire protection of information technology which says the most effective method of protection is sprinklers, if you are worried about accidental discharge (which is very unlikely), pre-action sprinklers may be used. In the case of electrical rooms with only dry electrical equipment, these only need fire rated walls to comply with NFPA 13.
The vendors who sell clean agent systems will tell you they are ideal for electrical plant rooms and IT rooms, but you won't hear this from more scientific sources. The extensive use of clean agent systems in some places is a triumph of marketing over science.
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