Yes, unless you put a drain valve on the end of each branch line to facilitate drainage of each line individually. Could be expensive.
Paul J. Pinigis, P.E. Chief Life Safety Engineer -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Thursday, June 28, 2007 10:24 AM To: [email protected] Subject: Gang Drain for Attic Dry System This question was just posed to me by my Branch Manager - In an attic dry system with each branch line ending in what amounts to a "low?point", if the designer interconnected each branch line to?a 1-inch gang drain, would that not, in effect, create a gridded dry system? Ray Hoshall Service Manager FIRE TECH SERVICES, INC. ________________________________________________________________________ AOL now offers free email to everyone. Find out more about what's free from AOL at AOL.com. _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
