Can Window Sprinklers be used for Water Curtains for Proscenium Openings?
According to NFPA 101-2018 188.8.131.52.1, the proscenium opening shall be protected by a listed fire curtain or an approved water curtain complying with NFPA 13.
In the case of the water-curtain, a deluge system should be used. But the conventional nozzles, create a water-cone that extent widely into the stage and the audience area. (consider the nozzles installed at 36 ft height)
"Window sprinklers" provide an plain deluge water-curtain, that can fit properly in this case. So, can window sprinklers be used in this Special Case?
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