I have encountered a gridded dry system in a parking structure. Can someone tell me in what years gridded dry systems were allowed by NFPA 13? I don't recall it ever being allowed.
Thanks, Lamar Vaughn, SET _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
