Ok, so maybe I'd cut him just a little slack. ;)
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 Ron Greenman Sent: Monday, June 29, 2009 4:40 PM To: [email protected] Subject: Re: In-rack fireprotection Craig, You've moved out of the range of significant numbers, You can't have a degree of precision in your results that is more precise than you inputs. I'd let him have 0.433. On Mon, Jun 29, 2009 at 12:57 PM, <[email protected]> wrote: > Yup, you got it. For example if you look at Figure 12.3.2.1.2(g) if you used > Curve "A" with an 8ft aisle at .39/2000 and Curve "C" with a 4ft aisle at > .475/2000, a 6ft aisle would give you a density of 0.4325/2000. > > And I would hold that density tightly to that 0.4325, I wouldn't let > any old contractor get away with only giving 0.43 when the spec says > 0.4325 gpm/sq. ft. Specs is specs! ;) > > > 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 Jay > White > Sent: Monday, June 29, 2009 3:33 PM > To: [email protected] > Subject: RE: In-rack fireprotection > > I am guessing this is a point or density between the density at 4ft. and the > density of 8ft. wide aisle? > > Jay White > Estimator/Design Manager > Dynamic Fire Protection > 1807 Hwy. 25 South > Starkville, MS 39759 > Phone: 662-324-1550 > Fax: 662-324-1545 > Cell: 662-312-2426 > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Jay > White > Sent: Monday, June 29, 2009 2:30 PM > To: [email protected] > Subject: In-rack fireprotection > > In NFPA 13 2002 edition, section 12.3.2.1.2.1; for aisle widths between 4ft > and 8 ft, a direct linear interpolation between densities shall be made. Can > someone explain this? > > Jay White > Estimator/Design Manager > Dynamic Fire Protection > 1807 Hwy. 25 South > Starkville, MS 39759 > Phone: 662-324-1550 > Fax: 662-324-1545 > Cell: 662-312-2426 > > > _______________________________________________ > Sprinklerforum mailing list > http://lists.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 > http://lists.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 > http://lists.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 Bates Technical College Tacoma, WA Member: SFPE, ASCET, NFPA, AFSA, NFSA AFAA _______________________________________________ Sprinklerforum mailing list http://lists.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 http://lists.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)
