I've seen this. Never had too much trouble getting a ceiling added when I give them the add alternate for installing sprinklers at the roof.
Checking wall heights is usually one of the first things I do when opening a fresh set of plans. Half a dozen different color highlighters and a cup of coffee... John Irwin DynaFire Inc. Tampa Fire Sprinkler Division 727-282-9243 This email was sent from a mobile device. Please forgive brevity, typographical errors, and grammatical gaffes. On Apr 13, 2018, 6:42 PM, at 6:42 PM, Ed Kramer <e...@bamfordfire.com> wrote: >This is something we're seeing occasionally and I'm wondering if others >are >seeing it also. > > > >A typical office area within a noncombustible building. All rooms >within >the greater area have lowered finished ceilings, are mostly light >hazard, >and the space above is noncombustible and (almost) concealed. A small >mechanical room (or 2 or 3) is located among the various offices. This >mech >room is less than 130 sf, so the floor area can be protected with 1 >sprinkler. However, the A/E has decided this room doesn't need a >ceiling >and the perimeter walls can stop 6" above the ceiling height of the >adjacent >rooms. This makes the space above the surrounding offices >noncombustible >but not truly concealed. See below. > > > > > > > >NFPA 13 (2013) tells me I have to sprinkler the entire noncombustible >space >above the offices. 8.15.23.3 doesn't apply since it's open on all 4 >sides. >We're working with GC to convince them to add a ceiling or to extend >the >walls up to the roof deck. It's just way too easy to overlook this >kind of >seemingly minor detail when bidding, and difficult to get a change >order (or >walls/ceilings added) after the contract's signed. > > > >So, just wondering if anybody else is seeing this issue. > > > >Ed Kramer > >Bamford Fire > > > > > >------------------------------------------------------------------------ > >_______________________________________________ >Sprinklerforum mailing list >Sprinklerforum@lists.firesprinkler.org >http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
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