I agree with what you are saying about wood is wood,and I argued the same with the EOR.However,he presented the case to the AHJ (State Fire Marshal), and while I thought he would be shot down,the AHJ agreed with him. Go figure. :-)
Lamar Vaughn ---- Chris Cahill <[email protected]> wrote: > You lost me on the link between HT and no combustible concealed. Where does > it say ""Heavy Timber" which would render it equal to non-comb". I get HT > might allow sizes and areas better than say IIB construction or VB. For the > purposes of 13 though wood is wood no matter how thick and if it's exposed > it gets sprinklers. I could see a case where HT eliminates the code > requirement for sprinklers compared to some other construction type but once > sprinklered by code or choice the concealed spaces become an issue. > > Chris Cahill, P.E. > Fire Protection Engineer > Sentry Fire Protection, Inc. > > 763-658-4483 > 763-658-4921 fax > > Email: [email protected] > > Mail: P.O. Box 69 > Waverly, MN 55390 > > Location: 4439 Hwy 12 SW > Waverly, MN 55390 > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Tuesday, October 27, 2009 7:41 AM > To: [email protected] > Cc: Cliff Whitfield > Subject: Re: Combustible concealed space > > It could be that this wood deck,depending on the thickness,could be > considered > "Heavy Timber" which would render it equal to non-comb.Contact the architect > and ask this to get his ruling.I just finished a church that was changed > from a > steel beam & girder structure to heavy timber to achieve a better fire > rating > for the overall building and we had no combustible concealed spaces. > > Lamar Vaughn > > > ---- Cliff Whitfield <[email protected]> wrote: > > Forumites, > > > > > > > > I have a project that has steel roof trusses with T & G wood decking. The > > GC is installing insulation at the roof line (bottom of the decking) so > the > > wood is completely covered. I don't really find this exact configuration > > described in 13 but I think this would qualify as a space where protection > > could be eliminated. > > > > > > > > I believe I would need to calc 3000sf since the area is not completely > > filled with insulation. > > > > > > > > Any thoughts? > > > > > > > > Cliff Whitfield, SET > > > > > > > > Fire Design, Inc. > > > > 3784 Holly Ridge Trail > > > > Marianna, FL 32448 > > > > > > > > Phone: 850-526-1886 > > > > Fax: 850-526-1884 > > > > Cell: 850-557-1886 > > > > > > > > www.fire-design.com > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > For Technical Assistance, send an email to: [email protected] > > > > To Unsubscribe, send an email to:[email protected] > > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
