recheck that date line. The 60 second rule has been part of NFPA 13 since before 1983. The 15 sec rule entered the standard around 07.
Roland Roland Huggins, PE - VP Engineering American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives Dallas, TX http://www.firesprinkler.org On Jun 11, 2013, at 12:00 PM, Ron Greenman <[email protected]> wrote: > The sixty second timing as baseline crept in over time, > being the de facto criterion with AHJs, until it became required in the > 2007 (if I remember correctly) edition. Curiously that rule > change/definition coincided with the introduction of Tyco's expensive water > delivery time software. _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
