The distinction is probably not based on height. By strict definition from an NFPA standard (other than 13) whichever you call it and whether the sides are closed off or not it is not a concealed space, so I vote* no on the 3000 S.F. I think a 9" height is closer to a platform than a table so you have a platform and if you do not put at least a screen 'skirt' around it to prevent debris from accumulating underneath you will have to sprinkler under it.
Brad *not a P.E. or A.H.J. so i vote :) -----Original Message----- From: Todd - Work [mailto:[email protected]] Sent: Wednesday, January 08, 2014 8:48 AM To: [email protected] Subject: Re: concealed space definition - part deux At what height does it cease to be a platform and become a table? If sprinklers are omitted from underneath the platform/table, would the ceiling system need to be calculated to 3000 sqft? Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT www.fpdc.com 860-535-2080 (ofc) > On Jan 8, 2014, at 9:30 AM, "Brad Casterline" <[email protected]> wrote: > > NFPA 73-2006 3.3.6 (partial): > > Concealed: > Rendered inaccessible by the structure or finish of the building. > > brad > > -----Original Message----- > From: John Denhardt [mailto:[email protected]] > Sent: Tuesday, January 07, 2014 4:56 PM > To: <[email protected]> > Subject: Re: concealed space definition > > I fully agree based on the 2013 edition. > > Thanks, > John August Denhardt P.E. > >> On Jan 7, 2014, at 4:26 PM, "G. Tim Stone" <[email protected]> wrote: >> >> Todd, >> >> I would consider this a Platform and apply 8.15.6, 2010 ed. >> >> 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., VT. 05452 >> CELL: (802) 373-0638 TEL: (802) 434-2968 Fax: (802) 434-4343 >> [email protected] >> >> >>> -----Original Message----- >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of >> Steven >>> Scandaliato >>> Sent: Tuesday, January 07, 2014 4:20 PM >>> To: [email protected] >>> Subject: RE: concealed space definition >>> >>> Today...it is whatever you and the AHJ agree on. Hopefully (fingers >>> crossed) we will have a clear definition in the next edition as we are >>> working at adding the "gaps and clouds" section and with this will come >> new >>> definitions including concealed spaces and the 4ft rule. Hold your >> breath! >>> Haha. >>> >>> Steven Scandaliato, SET CFPS >>> 520.971.2322 Cell >>> Skype: steven.scandaliato >>> >>> >>> -----Original Message----- >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of Todd >> - >>> Work >>> Sent: Tuesday, January 07, 2014 3:12 PM >>> To: [email protected] >>> Subject: concealed space definition >>> >>> Is there an official definition of a concealed space? Is a 10 ft x 20 ft >>> platform that is 9" off the ground but not enclosed on the sides >> considered >>> a concealed space? >>> >>> Todd G Williams, PE >>> Fire Protection Design/Consulting >>> Stonington, CT >>> www.fpdc.com >>> 860-535-2080 (ofc) >>> _______________________________________________ >>> 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 >> >> _______________________________________________ >> 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 > > _______________________________________________ > 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 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
