My read on this would be that if you gave a sprinkler in the middle of a 24" horizontal duct you have 12" on center. Don't you need one at the top of each vertical run? On Thu, Mar 16, 2017 at 1:47 PM James Crawford <jcrawf...@phaserfire.ca> wrote:
> NFPA #33 (2016 ed) section 9.4.6 (2) Horizontal Exhaust ducts shall have > sprinklers located on 12’-0” centers beginning no more that 6’-0” from the > duct entrance. > > > > If the horizontal run is only 2’-0” do you require a sprinkler head to > protect this section of the duct, (is there a minimum distance) > > > > > > Thank you > > > > > > James Crawford > > Phaser Fire Protection Ltd. > > Phone 604-888-0318 > > Fax 604-888-4732 > > Cel 604-790-0938 > > Email jcrawf...@phaserfire.ca > > Web www.phaserfire.ca > > > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > -- Sent from Gmail Mobile
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