I’d expect the underfloor to have two sections. One the plenum, is immediately below the filter bank.
The second is the exhaust duct. Best. bv > On 08/18/2023 12:50 PM PDT Rick Matsuda <[email protected]> wrote: > > > > Yes, install sprinklers in the pit and along any “ductwork” that goes from > the pit to the exterior. > > > > On Aug 18, 2023, at 2:43 PM, Anthony Johnson <[email protected]> > > wrote: > > > > > > > Hi Folks, > > Quick one for the day - is a paintbooth pit to be considered as a duct? I > > know most people, at least I do, think of a duct as a cylindrical or > > rectangular sheet metal tube for ventilation. A quick google dictionary > > defines it as a tube or 'passageway' for converting air, liquid whatever. > > That leads me to the question of whether a downflow paintbooth pit would be > > considered a duct for design purposes and would require the duct protection > > criteria of NFPA 33 which requires a minimum of 30 gpm at 15 psi for the > > sprinklers? > > > > Best Regards, > > Anthony Johnson > > Mountain Fire Protection > > 'Saving Lives and Valuing Property' > > > > http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail > > Virus-free.www.avg.com > > http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail > > > > _________________________________________________________ > > SprinklerForum mailing list: > > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > > To unsubscribe send an email to [email protected] > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to [email protected] >
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