Nope - And by the way, NFPA 13 now specifically states that if a sprinkler is removed, it must be replaced with a new sprinkler. If for some reason you remove the sprinkler, you must install a new one.
John John August Denhardt, P.E., FSFPE Strickland Fire Protection Incorporated 5113 Berwyn Road College Park, Maryland 20740 Office Telephone Number: 301-474-1136 Mobile Telephone Number: 301-343-1457 FIRE SPRINKLERS SAVE LIVES - Can you live without them? -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of ampeck Sent: Friday, July 12, 2013 5:23 PM To: [email protected] Subject: Re: dry pnds off dry system Ok yes but also after a dry system trip, test or actual activation, isn't all pendent heads supposed to be removed and any water drained? I can't locate it right now but it was something our field always did. On Jul 13, 2013, at 3:01 AM, John Denhardt <[email protected]> wrote: > Think about what you wrote. If you tripped the system, the return bends > would not be able to be drained. Return bends can only be used in an area > not subject to freezing, > > John > > John August Denhardt, P.E., FSFPE > Strickland Fire Protection Incorporated > 5113 Berwyn Road > College Park, Maryland 20740 > Office Telephone Number: 301-474-1136 > Mobile Telephone Number: 301-343-1457 > FIRE SPRINKLERS SAVE LIVES - Can you live without them? > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of ampeck > Sent: Friday, July 12, 2013 11:55 AM > To: [email protected] > Subject: Re: dry pnds off dry system > > Whether its a cooler or freezer if you're running a completely Dry System I > don't see a reason why you can use standard heads on return bends as in the > heated office. > > And your right, save a control valve and separate main piping. > > Correct me if I'm wrong but seems fine by me. > > On Jul 12, 2013, at 10:38 PM, Matt Grise <[email protected]> wrote: > >> I would be careful using a wet system even if it is called a "cooler". The >> evaporation coils can blow out air that is below freezing in order to get >> the whole cooler down to its target temp. >> >> Also- just because they say they will keep it at 41 does not mean that they >> won't change their mind after it has been installed and dial it down. >> >> Matt Grisé PE*, LEED AP, NICET II >> Sales Engineer >> Alliance Fire Protection >> 130 w 9th Ave. >> North Kansas City, MO 64116 >> >> *Licensed in KS & MO >> >> 913.888.0647 ph >> 913.888.0618 f >> 913.927.0222 cell >> www. AFPsprink.com >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of >> Martinez, Dewayne >> Sent: Friday, July 12, 2013 10:34 AM >> To: [email protected] >> Subject: RE: dry pnds off dry system >> >> The building footprint is 3800sf so I could eliminate a control valve >> and a main by staying all dry. >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of >> [email protected] >> Sent: Friday, July 12, 2013 10:12 AM >> To: [email protected] >> Subject: RE: dry pnds off dry system >> >> If it's a "cooler" and not subject to freezing you can put a wet system >> in it. >> >> Ron F >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of >> Martinez, Dewayne >> Sent: Friday, July 12, 2013 8:15 AM >> To: [email protected] >> Subject: dry pnds off dry system >> >> I have a small building which has both unheated / heated spaces. I am >> going to run the entire building as a dry system with standard pnd heads >> on return bends in the heated areas with ceilings. There is a cooler in >> the heated area that will need sprinkler protection in. Can I still put >> standard pnds on return bends (in the heated area) for the cooler or do >> I need to drop dry pnds? >> >> Thanks, >> >> Dewayne >> >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler >> .org >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler >> .org >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
