There is a 5 ft elevation difference between the ceiling and the bottom of the soffit Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT 860-535-2080 (tel:860-535-2080) (ofc) 860-553-3553 (tel:860-553-3553) (fax) 860-608-4559 (tel:860-608-4559) (cell)
Begin forwarded message: > > From: Kyle.Montgomery <[email protected] > (mailto:[email protected])> > Date: Jan 24, 2018 at 6:21 PM > To: Sprinklerforum <[email protected] > (mailto:[email protected])> > Subject: RE: [EXTERNAL] Calculation of sprinklers under soffits > > > > > > Are you saying that the soffits extend/project 18” from the wall? If so, are > sprinklers actually required beneath the soffits? > > > > > > > > > > > > > > From: Sprinklerforum > [mailto:[email protected]] On Behalf Of > Fpdcdesign > Sent: Wednesday, January 24, 2018 3:48 PM > To: Sprinklerforum <[email protected]> > Subject: [EXTERNAL] Calculation of sprinklers under soffits > > > > > > > > > > > I have a project where there are existing sprinklers under soffits > approximately 18" off the wall. The bottom of the soffits is 10 ft and the > ceiling in the rest of the space is 15 ft. The space is being renovated with > the high sprinklers being relocated and the sprinklers under the soffits > remaining. Normally I would include the sprinklers under the soffits as part > of the hydraulic calculation, but based on the pipe sizes (and the > preliminary calcs), I don't think they were in the original design. Is there > any basis for omitting the lower sprinklers by considering them as being > beneath an obstruction? > > > > > > > > Todd G Williams, PE > > > > > Fire Protection Design/Consulting > > > > > > Stonington, CT > > > > > > 860-535-2080 (tel:860-535-2080) (ofc) > > > > > > 860-553-3553 (tel:860-553-3553) (fax) > > > > > > 860-608-4559 (tel:860-608-4559) (cell) > > > > > > _______________________________________________ Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >
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