craig, Good find. I just found that and almost hit send -Jim
On Thu, Jan 14, 2010 at 2:18 PM, <[email protected]> wrote: > > > 8.13 In-Rack Sprinklers. > 8.13.1 System Size. The area protected by a single system of > sprinklers in racks shall not exceed 40,000 ft2 (3716 m2) of floor > area occupied by the racks, including aisles, regardless of the > number of levels of in-rack sprinklers. > > > Craig L. Prahl, CET > Fire Protection Specialist > Mechanical Department > CH2MHILL > Lockwood Greene > 1500 International Drive > PO Box 491, Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > [email protected] > http://www.ch2m.com > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Travis Mack, SET > Sent: Thursday, January 14, 2010 3:15 PM > To: [email protected] > Subject: Re: In-rack system zoning > > 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%[email protected]> > <to%3ASprinklerforum-reques > > t@ > > 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]<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]<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]<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]<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)
