No, not in NFPA 13. John Sent from my BlackBerry® smartphone with Nextel Direct Connect
-----Original Message----- From: Jay Jay Blocker <[email protected]> Date: Sun, 16 Aug 2009 17:46:12 To: <[email protected]> Subject: Main Drain I found where parts that dont affect the operation of a system dont have to be listed. Is there anywhere that says main drain piping has to be metal? J _______________________________________________ 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)
