Thanks John,
Normally that would be the approach I would take, but I despair of any hope in being able to educate this particular individual. I’ve tried twice with no success. Sometimes it helps to know I’m not the one who’s nuts! It’s getting harder and harder to tell these days. John P Crown FSD From: Sprinklerforum [mailto:[email protected]] On Behalf Of 321 Sent: Saturday, April 8, 2017 5:39 AM To: [email protected] Subject: Re: Sprinklers over low partitions John, Unfortunately....you are dealing with an AHJ that is subjectively making a decision based on his personal ideas relative to Fire Sprinkler spacing and operation. Further...he doesn't realize that the low partitions have no effect upon the Fire Sprinkler operation or discharge characteristics. Your challenge is to educate this person as to the fact that the NFPA Technical Committee takes all factors into account in developing the codes. I would suggest using some of the data from NFPA 13 on obstructions to educate this person as to how the discharge cone develops and that there is no more likelihood of a fire developing in the center of a space than there is along one of these low partitions. Good luck! John W. Farabee VP Fire Sprinkler Division Atlantic Realty and Building, LLC Jupiter, Fl 561-707-5150 Florida License No. FPC16-000106 On Saturday, April 8, 2017 5:14 AM, John Paulsen <[email protected] <mailto:[email protected]> > wrote: We are in the final phases of designing a self-storage facility (Ord Haz, Grp II) that has upright, quick response sprinklers with the deflectors at least 18” above the top of the individual storage unit partitions. In some cases where the units are 5’x5’ or 5’x10’ we have located the sprinklers directly over the top of the low partition. Our design concept is that the sprinkler will throw evenly to each side of the partition and cover the space on either side. This prevents us from have to “stagger” the sprinklers with arm-overs to prevent spacing closer than 6’ apart. We have also provided the manufacturer’s sprinkler spray pattern information to support our design concept. Now the local plan reviewer is telling us that he will not accept this sprinkler arrangement and that each unit has to have sprinkler(s) over them. This is the second project that we have done in this jurisdiction and we ran into a similar issue with the first one that we solved with the sprinkler over the partition arrangement. Now he will not accept this solution, but he doesn’t site any code or handbook reference that we are violating. Is our design concept contrary to the provisions of NFPA-13? A review of NFPA-13 only specifically deals with sprinkler spacing over low partitions in light hazard occupancies, not OH II, so I have no code guidance. Comments would be greatly appreciated. John Paulsen – SET Crown Fire System Design 6282 Seeds Rd. Grove City, OH 43123 P – 614-782-2438 F – 614-782-2374 C – 614-348-8206 _______________________________________________ Sprinklerforum mailing list [email protected] <mailto:[email protected]> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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