Spacing of trusses?
> > On Dec 8, 2021 at 3:27 PM, <tstone52--- via Sprinklerforum > (mailto:[email protected])> wrote: > > > > Hi, I am working on the wood frame building with Flat roofs. Open Web Wood > trusses are the overhead structure, The roof Deck above is insulated. There > is going to be a suspended ACT ceiling system below. The combustible > interstitial space ranges from 4' to 5' high between roof deck and finished > ceiling. The floor in question is 4900 SF. Sprinklers listed for interstitial > spaces can't be used. The Open web joists members are in vertical position, > 2x6 top and bottom cord with 2x4 braces, vertical and angled. The 18" tall > joists do not have big openings in them. (I have cuts sheets I can share with > you). I would like to think I can treat them as obstructed construction. That > would allow for heads installed 1"-6" below bottom of joist. Your thoughts > would help. Regards, G. Tim Stone G. Tim Stone Consulting, LLC NICET Level > III Engineering Technician Fire Protection Sprinkler Design and Consulting > Services 117 Old Stage Rd. - Essex Jct (x-apple-data-detectors://3)., VT. > 05452 (x-appl e-data-detectors://4/0) CELL: (802) 373-0638 (tel:(802)%20373-0638) <mailto:[email protected]> [email protected] (mailto:[email protected]) _______________________________________________ Sprinklerforum mailing list [email protected] (mailto:[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
