I think Joe had you in the right spot: nfpa #13 8.15.1.5. ('07 ed.)... since
your walkway is only 3 ft wide the way I see it you would only have one row
of sprinklers spaced at the appropriate light hazard spacing.On 4/15/08, Russell <[EMAIL PROTECTED]> wrote: > > Well, I looked at that but I've always envisioned sprinklers directly over > the area of combustibles (walkway) plus a row along each side of the > walkway. Perhaps I'm not reading this section correctly. I was hoping I > could narrow it down to just one row of sprinklers directly over the > walkway. > > Thanks > > > -----Original Message----- > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Joe Burtell > Sent: Tuesday, April 15, 2008 10:19 AM > To: [email protected] > > Subject: RE: Mechanical access walkway > > I would take a look at NFPA 13 02' section 8.14.1.5 Localized Protection > of > Exposed Combustible Construction or Exposed Combustibles. It should get > you > close. > > Best regards, > > Joe Burtell, SET, CFPS > Burtell Fire Protection, Inc. > Phone: 406.652.7697 > Fax: 406.652.7743 > Cell: 406.861.4507 > Email: [EMAIL PROTECTED] > Web Site: http://www.burtellfire.com > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Ron > Greenman > Sent: Tuesday, April 15, 2008 8:12 AM > To: [email protected] > Subject: Re: Mechanical access walkway > > I think a dream. Look at the 13 (i think 13) situations that allow you > to not cover an area. The combustible walkway negates all of them. in > a wild stretch you might be able to use the section that allows you to > lessen your coverage criterion in compartments with more than one > coverage demand by extending the higher demand 15 feet into the area > of lower demand (in this case light hazard 16 1/2 feet to each side of > the centerline of the walkway into an area of no hazard) but I think > that may just apply in the chapter covering storage (I can't recall > the provenance of that rule). Do you have any answers to my 1059 > questions? Apart from the fitters running amok in the design areas > that extra loop of 2 1/2" killed the thing. What I've done so far is > really tighten up my standard throw conservative numbers at the beast > regarding bury depth, length of UG, etc. and have tweaked the design > areas to a 1:1.4 ratio. This has gotten it down to 12 psi above the > curve. I'm also sure that those sidewalls are going to have to be fed > from their own line. These guys need to follow the plans! > > On Tue, Apr 15, 2008 at 6:34 AM, Russell <[EMAIL PROTECTED]> > wrote: > > I have single story building in which the attic area is noncombustible > but > > the attic contains a three foot wide combustible walkway for access to > > non-flame producing A/C equipment. It seems that in some standard/code > I > can > > be allowed to install sprinklers only over this walkway. My memory is > > failing over time so I cannot remember where this is or even if I > dreamed > > it. Will someone please help me out here? > > > > > > > > Thanks, > > > > Russell > > > > > > No virus found in this outgoing message. > > Checked by AVG. > > Version: 7.5.524 / Virus Database: 269.22.13/1377 - Release Date: > 4/14/2008 > > 9:26 AM > > > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > To Unsubscribe, send an email > to:[EMAIL PROTECTED]<[EMAIL PROTECTED]> > > (Put the word unsubscribe in the subject field) > > > > > > -- > Ron Greenman > at home.... > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:[EMAIL PROTECTED]<[EMAIL PROTECTED]> > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:[EMAIL PROTECTED]<[EMAIL PROTECTED]> > (Put the word unsubscribe in the subject field) > > > No virus found in this incoming message. > > Checked by AVG. > Version: 7.5.524 / Virus Database: 269.22.13/1377 - Release Date: > 4/14/2008 > 9:26 AM > > > No virus found in this outgoing message. > Checked by AVG. > Version: 7.5.524 / Virus Database: 269.22.13/1377 - Release Date: > 4/14/2008 > 9:26 AM > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum > > To Unsubscribe, send an email to:[EMAIL PROTECTED]<[EMAIL PROTECTED]> > (Put the word unsubscribe in the subject field) > _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
