I believe that will depend on the method chosen. You did say 13R, so isn't that a Residential calc then, all sprinklers in a compartment, to a max of 4?
The "outside" room, is not in the compartment. So, Room Design is the overall method for this one. BUT, these being minimum standards. You are free to do D/A should you choose. R/ Matt Matthew J. Willis, C.E.T. Ferguson Fire Design, LLC D: (602) 337-0721<(602)%20337-0721> C: (307) 236-8249<(307)%20236-8249> [email protected]<mailto:[email protected]> ________________________________ From: mark hippllc.com <[email protected]> Sent: Friday, February 28, 2025 12:06 PM To: [email protected] <[email protected]> Subject: [Sprinklerforum] NFPA 13R Caution: This email originated from outside of the organization. DO NOT click links or open attachments unless you recognize and trust the sender. ________________________________ I working on an apartment building (NFPA 13R) that has a room that is outside of the dwelling unit that is 532 sq.ft.. Do I hydraulic calculate all sprinklers in the room only or do I have to hydraulic calculate an area per NFPA 13? Mark E Hipp 803.622.8493
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