Start with the opening paragraph 8.15.1.1 where it states - EXPOSED combustible construction shall be protected
Roland Huggins, PE - Senior VP Engineering American Fire Sprinkler Assn. Dallas, TX http://www.firesprinkler.org <http://www.firesprinkler.org/> Fire Sprinklers Saves Lives > On Mar 16, 2017, at 1:42 PM, Mick Dugal <[email protected]> wrote: > > Would a wood framed corridor rocked with 2 layers of 5/8" gyp bd (a UL listed > assembly) and a dropped acoustical grid ceiling still require sprinklers? > Would NFPA 13 :8.15.1.2.10 permit the exclusion of sprinklers from such a > space? > > > 8.15.1.2.10 Concealed spaces where rigid materials are used and the > exposed surfaces have a flame spread index of 25 or less, and the materials > have been demonstrated not to propagate fire more than 10.5 ft (3.2 m) when > tested in accordance with ASTM E 84, Standard Test Method of Surface Burning > Characteristics of Building Materials, or ANSI/UL 723, Standard for Test for > Surface Burning Characteristics of Building Materials, extended for an > additional 20 minutes in the form in which they are installed, shall not > require sprinkler protection. > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
_______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
