Must confess that I have not reviewed the cut-sheet but ASSUME that it addresses this issue.
Also note that extensions up to 2 inch is not required to be added to the calculation. Have not looked to see if any longer than 2 inch exist (since it is required to be listed). Also use of a longer extension will be a kick in the hydraulic head since now the tee must also be included in the calc. Any guesses if Mr Truck Slammer would include it? 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 Oct 27, 2016, at 8:08 AM, Todd Williams <[email protected]> wrote: > > Ken, > > I brought that up because in NFPA 13, they are called "flexible fittings" not > "flexible drops". My thinking is that FUBAR Fire Protection (or someone like > them) is going to try to claim the since NFPA call them fittings that they > won't have to include them in the calcs. > > Todd G Williams, PE
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