The minimum pipe size has been 1" since 1940. There was only one piece of 3/4" in pipe schedule systems prior to 1940. Check the sizes again. Most likely 1, 1, 1-1/4, 1-1/2, 1-1/2, 2. Also check coverage - less than 100 sf/head for old systems. Head types all old style?
Arthur Tiroly ATCO Fire Protection Design Tiroly and Associates 3300 King Ave Cleveland, OH 44114 216-621-8899 216-570-7030 cell -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Friday, December 05, 2008 11:19 AM To: [email protected] Subject: This week's discovery I just came out of a building built in the 1950s with a pipe schedule system. Branch line sizes: 3/4, 3/4, 1, 1-1/4, 1-1/2. Assume the position. Sent from my Verizon Wireless BlackBerry _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [EMAIL PROTECTED] To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [EMAIL PROTECTED] To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
