Unfortunately that was the old way of looking at things. Check the annex (A.1) for NFPA 13R 2016 edition and the 2nd draft report of the 2019 edition of NFPA 13R. This light hazard area you refer to is it incidental to the residential occupancy? (10% or less of the floors area). If it exceeds 10% then it will need to be separated accordingly by the building code. The type of system in that occupancy will be based on the occupancy and the system may or may not be a 13 system for that occupancy and 13R for the residential. (IE: assembly verses business has differing thresholds). If a 13 system is needed for that occupancy then that calculation will need hose demand added. Pete
Just my opinion and not that of the NFPA or technical committees Peter Schwab VP of Purchasing and Engineering technologies Wayne Automatic Fire Sprinklers Inc. 222 Capitol Court Ocoee, Fl 34761 Mobile: (407) 468-8248 Direct: (407) 877-5570 Fax: (407) 656-8026 www.waynefire.com<http://www.waynefire.com/> [cid:[email protected]] I sleep in a sprinklered home, do you? From: Sprinklerforum [mailto:[email protected]] On Behalf Of Steve Leyton Sent: Monday, August 21, 2017 10:28 PM To: [email protected] Subject: Re: Light Hazaed areas in NFPA 13R Building I'm traveling, phone in pocket, leave me out of it, I'm on vacation. Steve -------- Original message -------- From: "Reed A. Roisum, SET" <[email protected]<mailto:[email protected]>> Date: 8/21/17 3:01 PM (GMT-05:00) To: [email protected]<mailto:[email protected]> Subject: RE: Light Hazaed areas in NFPA 13R Building Good point Steve. One of your most eloquent. :) Reed A. Roisum, SET | Karges-Faulconbridge, Inc. | Senior Fire Protection Designer | Fargo, ND | direct: 701.552.9903 | mobile: 701.388.1352 | KFIengineers.com<http://www.kfiengineers.com> From: Sprinklerforum [mailto:[email protected]] On Behalf Of Steve Leyton Sent: Monday, August 21, 2017 1:58 PM To: [email protected]<mailto:[email protected]>; [email protected]<mailto:[email protected]> Subject: Re: Light Hazaed areas in NFPA 13R Building Steve -------- Original message -------- From: "Travis Mack; MFP Design, LLC" <[email protected]<mailto:[email protected]>> Date: 8/21/17 1:07 PM (GMT-05:00) To: [email protected]<mailto:[email protected]> Subject: RE: Light Hazaed areas in NFPA 13R Building Unless you are coming from a tank/pump, I always include it at the city main when the layout is as you describe. That may be overly conservative. Travis Mack, SET MFP Design, LLC 3356 E Vallejo Ct Gilbert, AZ 85298 480-505-9271 fax: 866-430-6107 email:[email protected]<mailto:email:[email protected]> http://www.mfpdesign.com<http://www.mfpdesign.com/> https://www.facebook.com/pages/MFP-Design-LLC/92218417692<https://www.facebook.com/pages/MFP-Design-LLC/92218417692> Send large files to us via: https://www.hightail.com/u/MFPDesign<https://www.hightail.com/u/MFPDesign> LinkedIn: https://www.linkedin.com/in/travismack<https://www.linkedin.com/in/travismack> **PLEASE NOTE NEW ADDRESS** ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please visit http://www.symanteccloud.com<http://www.symanteccloud.com> ______________________________________________________________________
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