In NFPA 13, 1974 5-2.7.2 my earliest edition, has the 30 min. requirement, so if you want the reason they wrote it this way, you'll need to explore the committee ROP and ROC for earlier editions.
Thom McMahon, SET Firetech, Inc. 2560 Copper Ridge Dr P.O. Box 882136 Steamboat Springs, CO 80488 Tel: 970-879-7952 Fax: 970-879-7926 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Russell Sent: Friday, June 19, 2009 9:24 AM To: [email protected] Subject: RE: Air compressors Yeah, got that but it's the reasoning (in writing) that I'm looking for. Thanks though. Russell Rewis Brown Automatic Sprinklers, Inc. 107C Hemlock Street Valdosta, Georgia 31601 229-244-8130 [email protected] Hello Russell, This is not the "reasoning" but is the code section from NFPA 13 2007 7.2.6.2.2 The air supply shall have the capacity capable of restoring normal air pressure in the system within 30 minutes 7.32.6.2.3 The requirements of 7.2.6.2.2 shall not apply in refrigerated spaces maintained below 5 (degrees) F where normal system air pressure shall be permitted to be restored within 60 minutes. _______________________________________________ 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)
