Is it possible that one of the panels (the lower,maybe) is designed as a "drop out" panel?This may solve the issue.Then what is the purpose of the lower panel?
---- Ron Greenman <[email protected]> wrote: > Apparently no one liked this so I'll venture an OPINION. If one of the > criteria for omitting sprinklers from a space is a non-combustible or > limited combustible concealed space, and this area you've described is > concealed (despite being able to see into it-transparency not being > part of the definition for concealed in this context) then the > question revolves around the combustibility of the plastic panels > above and below. I doubt if there's a non-combustible plastic panel > but there may be one that falls within the limited combustibility > definition. Of course both conjectures are purely speculative. > > On Mon, Sep 27, 2010 at 7:23 AM, Frans Stoop <[email protected]> wrote: > > My apologies: first message had wrong subject in header. > > > > Dear colleagues, > > > > A client has a truck loading building where tankers are filled with > > combustible (edible) oil. The building is protected by a foam/water > > sprinkler system according to NFPA 13 & 16. > > > > There are a few skylights, distributed over the roof of the building. > > Spacing between the skylights exceeds 10 ft (3 m). The area of each skylight > > exceeds 32 ft2 (3 m²). > > The skylights have plastic covers. > > The bottom of each skylight is closed with a transparant plastic panel that > > flattens out the bottom of the skylight with the surrounding ceiling. > > The plastic cover on top and the plastic panel at the bottom create inside > > the skylight a concealed space with a height of approx. 2 or 3 ft. > > > > The roof is covered with non-combustible ceramic insulation (rockwool) and > > bitumic sheeting on top of it. > > > > Question: are sprinklers required in these skylights? What is your opinion? > > > > > > Frans Stoop > > TOS architecture & fire protection > > Netherlands <[email protected]> > > Tel. +31-24-324 0112 > > _______________________________________________ > > 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: > AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, 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)
