Its good that they are finally getting the distance down to impeding, but its still nothing compared to what 72 requires for detection in purlin construction.
On Mon, Sep 21, 2009 at 2:22 PM, Roland Huggins <[email protected]>wrote: > IT is also worth pointing out that after trying for 3 cycles to get > ANYTHING in 13 indicating at what depth ( meaning distance down form > the ceiling verses across the chord) a structural member IMPEDES heat > so we can clearly say obstructed or unobstructed. It is indeed 4 > inches. See ROC 13-16. > > So the determination depends on how far apart the purlins are and how > deep they are and is now black and white. > > Roland > > On Sep 21, 2009, at 9:45 AM, Greg McGahan wrote: > > > Has NFPA ever made a formal interpretation on whether purlins > > construction is Obstructed or Non-obstructed construction? > > > > Thanks > > > > Greg McGahan > > Operations Manager > > > > Living Water Fire Protection > > 1160 McKenzie Road > > P.O. Box 877 > > Cantonment, Florida 32533 > > (850) 937.1850 | Fax (850) 937.1852 | Cell (850) 554.3231 > > [email protected] > > > > > > _______________________________________________ > > 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]<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]<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)
