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. Friday, June 19, 2009, 9:32:25 AM, you wrote: > Would someone direct me to a code or standard that gives the reasoning for > the 30 minute fill time for dry systems? It's been the standard requirement > but never have I been able to find anything in writing for it. I have > someone who wants to see it. > > Russell Rewis > Brown Automatic Sprinklers, Inc. > 107C Hemlock Street > Valdosta, Georgia 31601 > 229-244-8130 > [email protected] > > _______________________________________________ > 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) -- Best regards, Charles Thurston mailto:[email protected] Coastal Fire Protection _______________________________________________ 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)
