There are also a lot of instances where you SHOULD (read must if not shall) mix temperatures such as around heating appliances. If there is a reason for doing so I can think of nothing that prohibits it. Random mixing 'cause you have a lot of 365ers in the truck is another story.
On Thu, May 6, 2010 at 10:58 AM, Reed Roisum <[email protected]> wrote: > Chris, > > The commentary in A.6.2.5 ('07 ed.) says that sprinklers with the same temp. > rating SHOULD be used in a given AREA, unless otherwise specified by 8.3.2. > > The word 'compartment' is used earlier in this 'blue' print but I would > venture to say that the 18" beam does not separate this space into two > compartments unless the opening is less than 8 ft. (3.3.5). So I would say > that you SHOULDN'T do this based on 13... > > But then again, you are looking for the bare minimum and I don't see any > "thou shalt nots" and it might be fair to say that you most likely wouldn't > see skipping due to the arrangement you described?? I dunno...do what you > want. :) > > > Reed A. Roisum, CET > > Engineering Technician > Ulteig, Engineers, Inc. > > > Direct: (701)280-8580 > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Chris Cahill > Sent: Thursday, May 06, 2010 12:25 PM > To: [email protected] > Subject: Sprinkler temp > > Can you mix ordinary and high temp sprinklers in an ordinary hazard room? > Does it make a difference if there is an 18" beam between them? I see the > SR v QR clearly says no. But I don't see the same clear statement in the > temperature portion. > > > > I'm not suggesting it's a good idea, just what is minimally legal per 13. > It's a big room of ministorage lockers that don't go to the clg. One bay > was added and the SC used ordinary heads. The existing is high temp from > the day it used to be HPS. There is an 18" beam. There are like 100 - > 286's and maybe 10 - 165's. > > > > 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 > > > > _______________________________________________ > 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) > -- Ron Greenman Instructor Fire Protection Engineering Bates Technical College Tacoma, WA Member: AFT WA 4184/AFL-CIO, SFPE, ASCET, NFPA, AFSA, NFSA AFAA, NIBS, WSAFM, WFC _______________________________________________ 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)
