look at 8.3.3.2 - if QR is used, all sprinklers within that COMPARTMENT must be QR.
Also not that some EC (aka 20 x 20) with a fast response link are not QR. Roland Roland Huggins, PE - VP Engineering American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives Dallas, TX http://www.firesprinkler.org <http://www.firesprinkler.org/> > On Dec 18, 2014, at 8:57 AM, Vince Sabolik <[email protected]> wrote: > > Hi forum ... this hurting my brain today. > > If standard response sprinklers are installed in a given space - a retail > tenant, > can QR extended heads be used in a subsequent addition. The two areas will > have the same ceiling > and I want to use extended heads in the addition because of intense surface > strip lighting. _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
