Reqmnts for calcs are independent of the type of pipe. If you have crappy water, galv gives you c=120 instead of c=100- so do you want 25% increase in pipe fro line size increase, or 25% increase to stay size and install galv?
XL is galv outside, not internally galvanized. It is an assurance that service work will continue into the next generation. glc -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Eladio N. Alvarado Sent: Wednesday, September 09, 2009 9:53 AM To: [email protected] Subject: RE: Galvanized Pipe Then, There is no mandate to use galvanized pipe on "Dry" or pre-action systems. Pre-action systems are considered "Dry". Only when galvanized pipe is used there are requirements for calculations, etc. I'm so much smarter than I was just and hour or so ago. Thank you all, very much. Eladio Alvarado AFSDII -----Original Message----- From: [email protected] [mailto:[email protected]]on Behalf Of Chris Cahill Sent: Wednesday, September 09, 2009 9:41 AM To: [email protected] Subject: RE: Galvanized Pipe Practically speaking there is nothing galvanized about XL. If any entity, FM, NFPA, PE, owner, large drop heads required galvanized pipe XL wouldn't qualify. Chris Cahill, P.E. Fire Protection Engineer Sentry Fire Protection, Inc. 763-658-4483 763-658-4921 fax Email: [email protected] Mail: P.O. Box 69 Waverly, MN 55390 Location: 4439 Hwy 12 SW Waverly, MN 55390 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Eladio N. Alvarado Sent: Wednesday, September 09, 2009 8:26 AM To: [email protected] Subject: RE: Galvanized Pipe Todd, I do recall that FM at one point required it, but I though that it had been incorporated to NFPA in subsequent revisions? Wasn't that the reason for the thread able light wall pipe "XL"? If you would, please elaborate. Eladio Alvarado AFSDII -----Original Message----- From: [email protected] [mailto:[email protected]]on Behalf Of Todd Williams Sent: Wednesday, September 09, 2009 9:15 AM To: [email protected] Subject: Re: Galvanized Pipe It's not required by any specific standard, but is required by several insurance companies At 09:04 AM 9/9/2009, you wrote: >Would someone be good enough to direct me to the specific location where >Galvanized pipe is required by 13 for Dry systems? And where it may be >indicated that Pre-action systems are considered "Dry". I've been trying to >find it on the On-line codes but I seem to be having trouble dealing with >their search engine. Any help would be greatly appreciated. > > >Eladio Alvarado >AFSDII > > > > >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://fireball.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) Todd G. Williams, PE Fire Protection Design/Consulting Stonington, Connecticut www.fpdc.com 860.535.2080 _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.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 [email protected] http://fireball.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 [email protected] http://fireball.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 [email protected] http://fireball.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 [email protected] http://fireball.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)
