Yes - new for 2013. 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 5:42 PM To: [email protected] Subject: Re: dry pnds off dry system Is this a change in 2013? I have my new books sitting in the states but haven't been back to pick them up yet. On Jul 13, 2013, at 4:34 AM, John Denhardt <[email protected]> wrote: > 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 _______________________________________________ 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
