Well I think that might be the point. The bracing that is needed (although not stated) on clean agent is clearly very robust. The question however is are additional listed seismic braces required to be installed and calculated? My experience has been no they are not, but this has been driven by AHJ response. I have wondered as Bill did as to the intent of the code and standard. I will shoot our main manufacturer and email and share the results back to the forum.
-----Original Message----- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of max brown Sent: Monday, August 08, 2011 6:42 PM To: burtell Subject: RE: Seismic Bracing - Clean Agent On our installations we always have additional bracing. Restraint in all directions similar to underground mains, high pressure discharge with 360 degree, upward restraint, 180 degree nozzles rotational restraint. No question that clean agent delivered to protected area. Seen 180 nozzles rotate above ceiling on discharg and 360 nozzles raising up above ceiling upon discharge. Sprinkler System seismic restraint on Clean Agent for us is not considered seismic as much as necessary system component. No question about meeting seismic capabilitiy. > From: r...@rapidfireinc.com > To: sprinklerforum@firesprinkler.org > Date: Mon, 8 Aug 2011 12:41:01 -0600 > Subject: RE: Seismic Bracing - Clean Agent > > We braced the clean agent as we normally would and interpreted it to mean > that no additional seismic would be required. Sprinkler system in same area > hung as per usual but fully EQ braced. USACE project. I was curious as to why > but once the response came back that no additional bracing was required I > wasn't near as anxious to dig into it. It will be interesting to see if Bill > gets anything back from NFPA. > > -----Original Message----- > From: sprinklerforum-boun...@firesprinkler.org > [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of > craig.pr...@ch2m.com > Sent: Monday, August 08, 2011 12:31 PM > To: sprinklerforum@firesprinkler.org > Subject: RE: Seismic Bracing - Clean Agent > > So how did you interpret that since there are no specific bracing > requirements or methods stated within NFPA 2001 other than to say it is to be > "securely supported"? > > Craig L. Prahl, CET > Fire Protection > CH2MHILL > Lockwood Greene > 1500 International Drive > Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > CH2MHILL Extension 74102 > craig.pr...@ch2m.com > > > > -----Original Message----- > From: sprinklerforum-boun...@firesprinkler.org > [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Rod > DiBona > Sent: Monday, August 08, 2011 2:05 PM > To: sprinklerforum@firesprinkler.org > Subject: RE: Seismic Bracing - Clean Agent > > Had a large clean agent project where we sent an RFI with the same question. > Their response was that the bracing requirements of NFPA 2001 were > sufficient. The sprinkler system had seismic and each brace even had to be > modeled. > > -----Original Message----- > From: sprinklerforum-boun...@firesprinkler.org > [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Bill > Brooks > Sent: Monday, August 08, 2011 11:31 AM > To: sprinklerforum@firesprinkler.org > Subject: Seismic Bracing - Clean Agent > > Perhaps a bit off the reservation here but does anyone out there have some > reason for the lack of clean agent system seismic bracing requirements? > Empty piping? Bracing already factored into piping design per ____??? > > Feel free to send me to another listserv if one exists for special hazard > systems. > > Bill Brooks > > William N. Brooks, P.E. > Brooks Fire Protection Engineering Inc. > 372 Wilett Drive > Severna Park, MD 21146-1904 > 410-544-3620 > 410-544-3032 FAX > 412-400-6528 Cell > > > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: supp...@firesprinkler.org > > To Unsubscribe, send an email > to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: supp...@firesprinkler.org > > To Unsubscribe, send an email > to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: supp...@firesprinkler.org > > To Unsubscribe, send an email > to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: supp...@firesprinkler.org > > To Unsubscribe, send an email > to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: supp...@firesprinkler.org To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: supp...@firesprinkler.org To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field)
