Ron: i remember reading the same thing and it did include the rack aisles. I will try to find it.
T On 1/14/2010 1:10 PM, Fletcher, Ron wrote: > Would the 40,000 sqft limit apply to the area including the aisles? Of > the 65,000 sqft of area the racks cover only about half is actually > rack. So if there is only 32,500 sqft. of rack one system should do it? > 13 doesn't address the issue (that I can find) and maybe that's why. I > thought I read something a few years ago about limiting the size but I > can't remember where I saw it. > > Thanks for the reply, > > Ron Fletcher > Aero Automatic > Phoenix, AZ > > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Jim Z > Sent: Thursday, January 14, 2010 12:02 PM > To: [email protected] > Subject: Re: In-rack system zoning > > The way I understand it 40,000 sf is your limit. > * > 8.2.1 *The maximum floor area on any one floor to be protected by > sprinklers > supplied by any one sprinkler system riser or combined system riser > shall be > as follows: > (3) Extra hazard > (a) Pipe schedule - 25,000 ft2 (2323 m2) > (b) Hydraulically calculated - 40,000 ft2 (3716 m2) > (4) Storage-High-piled storage (as defined in 3.9.1.13) and storage > covered > by other NFPA standards - 40,000 ft2 (3716 m2) > > *3.9.1.13 *High-Piled Storage. Solid-piled, palletized, *rack storage*, > bin > box, and shelf storage in excess of 12 ft (3.7 m) in height. > > -Jim > > On Thu, Jan 14, 2010 at 11:48 AM, Fletcher, Ron > <[email protected]>wrote: > > >> We have 65,000 sqft of rack storage that requires in-rack sprinklers. >> The racks span an area that is protected by 4 roof systems. Can we use >> > a > >> single system to supply the in-rack and have all 65,000 sqft on a >> > single > >> valve? >> >> I thought that I read somewhere once upon a time that in-rack systems >> had to be zoned similar to roof systems i.e. 40,000 sqft max etc... >> >> Ron Fletcher >> Aero Automatic >> Phoenix, AZ >> _______________________________________________ >> 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]<to%3ASprinklerforum-request@ > firesprinkler.org> > >> (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) > -- Please feel free to call if you have any questions or comments. Sincerely, Travis Mack, SET MFP Design, LLC 2508 E Lodgepole Drive Gilbert, AZ 85298 Office (480) 505-9271 Fax (866) 430-6107 _______________________________________________ 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)
