Globe still makes some wonky k-factor heads like 11.5 and 7.8 I looked for a 14.5K, but didn't see one, and certainly not in ECOH. Their website is so messed up though, its hard to tell.
Benjamin Young On Sun, Sep 22, 2013 at 7:53 PM, Greg McGahan <[email protected]> wrote: > We can't make the curve period……if we change the K factor > > On Sep 22, 2013, at 6:47 PM, "rongreenman ." <[email protected]> > wrote: > > > Did the AHJ require that ever popular 10% cushion in the original calcs. > Do > > you make the curve without the 10% cushion if required? > > > > > > On Sun, Sep 22, 2013 at 4:37 PM, Greg McGahan <[email protected]> > wrote: > > > >> We need to replace 3 painted heads in an existing storage room that > >> currently has 14.5 k heads. Going to the closest Equivalent head changes > >> the K factor to 14.0 and it makes enough of a difference that the calks > no > >> longer work…… > >> > >> Even if we replace all of the heads in that area with 14.0's it will not > >> work. Does anyone happen to have these laying around? > >> > >> Question - if we can't find them, what should we do? The calcs do not > work > >> due to a combination of a slightly degraded water supply and being > >> incorrectly calculated by the original installing contractor - we have > the > >> original drawings and they used a .15 density throughout the building > >> instead of the required .20. (yes- even when originally installed). The > >> difference is only a few pounds, but it goes from slightly positive to > >> negative. The AHJ has closed his ears and eyes and said "get the painted > >> heads replaced". > >> > >> Thanks for your help. > >> Greg > >> _______________________________________________ > >> Sprinklerforum mailing list > >> [email protected] > >> > >> > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > >> > > > > > > > > -- > > Ron Greenman > > Instructor > > Fire Protection Engineering Technology > > Bates Technical College > > 1101 So. Yakima Ave. > > Tacoma, WA 98405 > > > > [email protected] > > > > http://www.bates.ctc.edu/fireprotection/ > > > > 253.680.7346 > > 253.576.9700 (cell) > > > > Member: > > ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC > > > > They are happy men whose natures sort with their vocations. -Francis > Bacon, > > essayist, philosopher, and statesman (1561-1626) > > _______________________________________________ > > 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
