I am looking an apartment building which is to be designed according to NFPA 13. On the first level, there is a room which contains 55 - 3'x5' tenant storage closets (mostly filled with shelves). These would need to be sprinklered, which is fine, but the issue comes in the hydraulics. Section 14.4.4.4.2 states that closets with a single sprinkler may be omitted from the calculation. There could be up to 47 closets in the remote area. I have used this exception numerous times, but never in this quantity. The standard says nothing to the contrary, so I could eliminate 47 sprinklers in the remote area because they are in closets? Is there something I am overlooking?


Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080 _______________________________________________
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