WHEN? IF…. On Thu, Mar 3, 2011 at 12:35 PM, Thom <tmcma...@firetechinc.com> wrote: > Just a follow up on "AS Built" drawings, won't they become "Common" practice > as NFPA 3 Commissioning becomes more common??? > > -----Original Message----- > From: sprinklerforum-boun...@firesprinkler.org > [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of George Church > Sent: Thursday, March 03, 2011 12:04 PM > To: sprinklerforum@firesprinkler.org > Subject: RE: As = L x S > > Pain in ... > Similar to badge heavy in this usage. > > George Church > Rowe Sprinkler Systems, Inc. > PO Box 407, Middleburg, PA 17842 > 877-324-ROWE 570-837-6335 fax > g...@rowesprinkler.com > > > > -----Original Message----- > From: sprinklerforum-boun...@firesprinkler.org > [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Brad > Casterline > Sent: Thursday, March 03, 2011 1:44 PM > To: sprinklerforum@firesprinkler.org > Subject: RE: As = L x S > > All true George, and maybe I worry a little too much, but when Gerzayn > mentioned "Best Practice", the idea of not all heads ending up exactly as > planned occurred to me. I left out the part about calcing all sched. 40 and > figuring total pressure at all flowing outlets, not just a few! Have you > ever had to "check your back pockets", because you still needed a little > more? :) What does PIA stand for, can you say in public? > > -----Original Message----- > From: George Church [mailto:g...@rowesprinkler.com] > Sent: Thursday, March 03, 2011 12:28 PM > To: sprinklerforum@firesprinkler.org > Subject: RE: As = L x S > > In all seriousness, I find submission of AsBuilts in this industry as the > exception rather than the rule, and the likelihood of AsBuilt Calcs even > more remote, absent a contractual obligation and an engineer either smart > enough or PIA enough to followup. > > > > > Not saying they aren't a great idea for those whose systems don't closely > resemble the original layout, just saying that it isn't exactly a mainstream > issue. Absent buildings burning to the ground and/or people dying due to > improper installation, we don't need to add the cost and if you want to see > a contractor avoid something, how about taking the chance that their calc > will indicate they need to go back into t a recently completed project and > make changes! Now the building is occupied, now the drywall ceiling is up > and tested- I can tell you the GC isn't looking to enforce since it'll cause > hardship for all. > > George Church > Rowe Sprinkler Systems, Inc. > PO Box 407, Middleburg, PA 17842 > 877-324-ROWE 570-837-6335 fax > g...@rowesprinkler.com > > > > -----Original Message----- > From: sprinklerforum-boun...@firesprinkler.org > [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Brad > Casterline > Sent: Thursday, March 03, 2011 9:17 AM > To: sprinklerforum@firesprinkler.org > Subject: RE: As = L x S > > Something else you might want to keep in mind is the idea of "AS-BUILT > CALCULATIONS". Say you calc an Ord. Haz. II at 104 SF/head because the heads > are 6'-6" from one wall and 4'-0" from another. But there is a conduit at > 4'-0". The fitter knows 130 SF max for standard coverage heads in Ord. Haz., > so 5'-0" is fine. You might have a little trouble with the as-built calcs in > this case! > > ******************************************* > Good morning. > Thanks to all of you for your great answers. > I see this in my first training with AFSA in 2004 (great raining) but once > you are in the field, you have a lot of questions. > I see a lot of times some designers who use in all cases the maximum > coverage per sprinkler to do their hydraulic calculations, and when I ask > them about the "As", they tell me that us the maximum coverage (based on the > hazard classification) is a "Best Practice" because you do not need to find > what is the largest sprinkler coverage in the hole system. With this forum, > now I know I always need to use the maximum "As" in my most hydraulic > demanding area, and that value will be used for the calcs. > Regards and thanks to all of you. > > Gerzayn Fuentes > CEPI.mx > Mexico > Tel +52 (81) 17660800 > > > > _______________________________________________ > 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) >
-- Ron Greenman Instructor Fire Protection Engineering Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 rgreen...@bates.ctc.edu http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ 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)
