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I have seen window sprinklers spaced across an entire wall of a building that has windows on the exterior and I have been told it has to do with spreading fire to a building next to it.
I have also seen window sprinklers on the exterior of a building where there is a metal fire staircase next to the building outside of windows. Any insight on either of these scenarios as to why the sprinklers would be necessary? Posted anonymously by a member for discussion. Discuss this | Submit a Question | Subscribe
4 Comments
Wayne Ammons
2/26/2019 07:03:09 am
Sprinkler protection along the exterior of a building is called "exposure protection" and it's purpose is just as you said, to protect against exposure fires from adjacent buildings or operations. NFPA 13 goes into more detail concerning exposure protection systems.
Marc Walter
2/26/2019 10:37:06 am
Both of the scenarios you are addressing are building code requirements. I haven't dealt with exposure protection in quite awhile but the reason for the exposure sprinklers isn't necessarily to protect from, or for, the building next door. The exposure sprinklers are a preventative measure to keep the fire from progressing to the next floor above via the outside of the building. The example I was presented with was the 1st Interstate fire down in Los Angeles many years ago. The building was partially sprinklered and the fire broke out windows and moved up the building until it hit a protected floor where it was stopped.
Wayne Ammons
2/26/2019 11:16:26 am
Also an excellent point.
Franck
3/4/2019 11:38:05 am
Regarding your first sentence, " I have been told it has to do with spreading fire to a building next to it", in reality, it is more to protect your building from an outside exposure, such as a non protected building or outside (yard) storage (pallets, waste containers...). Leave a Reply. |
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