What are the deciding factors or requirements on when a deluge system would be required on a stage to separate the stage from the audience?
This would be for the proscenium opening protection. Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
12 Comments
Pete H
4/3/2024 06:49:30 am
From NFPA 13 (2016)
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Dan Wilder
4/3/2024 07:24:08 am
Straight out of the Building Code, referencing the Fire Code. It's one of couple options available for the opening.
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Anthony
4/3/2024 07:56:11 am
Do the fire curtain not the water curtain if you can. Its way easier to maintain long term.
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Glenn Berger
4/3/2024 08:14:06 am
The answers provided by Pete and Dan cover this topic sufficiently.
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Jesse
4/3/2024 09:09:50 am
Agree with Glenn here. Dan and Pete for the win!
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Eric R
4/3/2024 08:19:58 am
Just to reiterate Dan's comment, normally "proscenium opening protection" is only required when the stage ceiling height is 50' or greater.
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S
4/3/2024 10:02:42 am
I was about to say something similar: don't forget about your standpipe requirement if the stage is over 1000-sqft.
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Dave
4/4/2024 05:12:46 pm
However, the requirement for a standpipe for stages greater than 1,000 sq. ft. has an exception, well explained in the UFC handbook commentary.
Todd E Wyatt
4/3/2024 08:22:45 am
Based on the scoping Code (e.g. IBC-2021), review of the Automatic Sprinkler Systems (ASPS) requirements starts in Chapter 9 Fire Protection and Life Safety Systems based on the Occupancy Classification (e.g. Group A-1 and/or A-2 for this application) and/or “certain buildings and areas” which includes the reference to “410.6 Stages”.
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Todd E Wyatt
4/3/2024 08:23:09 am
REFERENCES
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I would have open sprayers to protect the curtain and guides, as maintaining thier integrity and keeping them cool is essential whilst the curtain is descending. Sprinklers at high level may be at a level where their operation could take some time, but they would protect hanging scenery and drapes.
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Jack G
4/3/2024 11:17:44 am
The above comments cover almost everything.
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