Don’t forget that you also look at the churn pressure (so as not to exceed the max rating of components) at the highest gradient point.
Roland Roland Huggins, PE - VP Engineering American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives Dallas, TX http://www.firesprinkler.org On Jun 13, 2014, at 8:49 AM, [email protected] wrote: > Karen, > > We are required to use the "lowest gradient elevation" as the highest point > for calculations (see NFPA 22). The lowest tank gradient is usually the > point where the water may drop before refill begins. > > from never-ending meetings in Las Vegas, > > Cecil Bilbo _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
