8.4.7.2 of the 2007 NFPA 13 states: 8.4.7.2* Galvanized Pipe. 8.4.7.2.1 Where steel pipe is used in preaction and dry pipe systems, piping materials shall be limited to internally galvanized steel. 8.4.7.2.2 Nongalvanized fittings shall be permitted.
*A.8.4.7.2 The purpose of this requirement is to avoid scale accumulation. Craig L. Prahl, CET Fire Protection Group Mechanical Department CH2MHILL Lockwood Greene 1500 International Drive PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - 864.599.8439 [EMAIL PROTECTED] http://www.ch2m.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Coastal Sent: Sunday, May 18, 2008 8:40 PM To: [email protected] Subject: Missing Hello sprinklerforum, I think I am missing something. IF my old brain remembers it was a requirement for dry pipe systems to use Galvanized Pipe, But were allowed to use black iron fittings. I am unable to find that in the 2007 edition of 13, Am I dreaming, or was it deleted, or where is it now? -- Best regards, Charles Thurston CET Coastal Fire Protection mailto:[EMAIL PROTECTED] _______________________________________________ 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)
