Actually, it was quarter center point of light; had to miss the bulb thingy and all.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Todd Williams Sent: Wednesday, February 09, 2011 2:18 PM To: [email protected] Subject: RE: FW: 2010 NFPA 13 8.6.5.2.1.5 You mean you've never designed a system to center of light? At 04:04 PM 2/9/2011, you wrote: >Now, now George, this is a serious discussion-:) > >BK > >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of George >Church >Sent: Wednesday, February 09, 2011 1:15 PM >To: [email protected] >Subject: RE: FW: 2010 NFPA 13 8.6.5.2.1.5 > >Maybe this could set a precedent for a UL Listed heat baffle for >sprinklers too far down from the roof deck? >Test with and without the bulb. > >George Church >Rowe Sprinkler Systems, Inc. >PO Box 407, Middleburg, PA 17842 >877-324-ROWE 570-837-6335 fax >[email protected] > > > >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of Thom >Sent: Wednesday, February 09, 2011 2:39 PM >To: [email protected] >Subject: RE: FW: 2010 NFPA 13 8.6.5.2.1.5 > >The first question I would ask, before I even thought about installing >ANY kind of sprinkler head inside of a U/L listed light fixture is what >happens to that u/l listing? >My next thought is --- Well I won't say nuts but really you can't mean >that you want someone to drill a listed light fixture to install a >sprinkler head inside of its lamp shade or shell??? Really???? > >I could see having 4 equally spaced sprinkler heads located around the >fixture, but inside??? Really??? > >Obviously there must be more to this than just that, there always is. >Like height of sprinkler pipe to the light fixture? Height of fixture >above floor? Sprinkler density? SSP or SSU or EC sprinklers?? Distance >from roof to Light? Distance from roof to Sprinklers? Type of >construction? Concrete, steel, beam open joist, twin tee????? > >It just seems that D. Withee may not be using as much common sense as >she is known for. There has to be a better way. One last question? Is >this coming up at plan review? Or final?? If you missed it at plan >review when the options were less impactful of everyone, you need to >exercise your authority carefully, and it should be tempered with how >to make this as painless for everyone, since you missed it in plan >review. > >Just one former contractors point of view. > >-----Original Message----- >From: [email protected] >[mailto:[email protected]] On Behalf Of Ron >Greenman >Sent: Wednesday, February 09, 2011 12:06 PM >To: [email protected] >Subject: Re: FW: 2010 NFPA 13 8.6.5.2.1.5 > >13 8.6.5.2.1.5 is is for obstructions less than or equal to18" below >the deflector (see 13 8.6.5.2.1.1) and refers to pattern development. >8.6.5.1.2 option 2 is a subsection of 8.6.5.1 and refers to the hazard >being shielded from from water reaching it. 13 8.6.5.2.1.5 is about >developing the umbrella and where it will go and what might block it >while 8.6.5.1.2 option 2 is about a horizontal obstruction that creates >a water shadow on the floor. > >On Wed, Feb 9, 2011 at 9:49 AM, Smith, Steven D. (CSFD) ><[email protected]> wrote: > > For a coworker... > > > > > > > > Subject: 2010 NFPA 13 8.6.5.2.1.5 > > > > > > > > Can anyone shed some light on this section? It seems to contradict > > section 8.6.5.1.2 option 2. > > > > > > > > Does the size of the obstruction not matter? > > > > > > > > I have a convention center with 55-inch diameter lights that are > > 2-feet deep. The sprinkler contactor is using the referenced > > section to avoid dropping a head inside the light to cover below it > > (as it is built, we can pipe though the fixture and use a concealed head). > > > > > > > > Any thoughts? > > > > > > > > Doreen E. Withee > > > > > > > > _______________________________________________ > > 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 Technology >Bates Technical College >1101 So. Yakima Ave. >Tacoma, WA 98405 > >[email protected] > >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 >[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) >_______________________________________________ >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) Todd G. Williams, PE Fire Protection Design/Consulting Stonington, CT 860.535.2080 www.fpdc.com _______________________________________________ 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)
