Matt, Not in this case. The area would simply be stretched out sideways along the same cross main for a much greater distance.
Bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Matthew J. Willis Sent: Thursday, August 09, 2007 10:29 AM To: [email protected] Subject: RE: Design Area Rotation That's the way I see it. Extending to 46 would mean going to the other cross main yes? Matt Matthew J. Willis Living Water Fire Protection, LLC. 1160 McKenzie Rd. PO Box 877 Cantonment, FL. 32533 850-937-1850 Voice 850-937-1852 Facsimile [EMAIL PROTECTED] ----- >-----Original Message----- ----- >From: [EMAIL PROTECTED] ----- >[mailto:[EMAIL PROTECTED] On ----- >Behalf Of Bob Knight ----- >Sent: Thursday, August 09, 2007 11:23 AM ----- >To: [email protected] ----- >Subject: Design Area Rotation ----- > ----- >I have an AHJ who is telling me that I need to rotate my ----- >design area length 90 degrees to account for there not ----- >being enough sprinklers per line on the branches. This ----- >would give me a design area that is perpendicular rather ----- >then parallel per 14.4.4.1.11. Section 14.4.4.1.1.3 ----- >states, "In systems having branch lines with an ----- >insufficient number of sprinklers to fulfill the ----- >1.2 requirement, the design area shall be extended to ----- >include sprinklers on adjacent branch lines supplied by ----- >the same cross main." I was taught, and therefore I ----- >have always understood this to mean that in a situation ----- >where there are not enough sprinklers per line you ----- >include additional sprinklers up to the point that your ----- >design are is fulfilled, i.e. add sprinklers until I ----- >reach 1500 sf, not until I have created a perpendicular ----- >area of 46 + ft. ----- >Is this the same understanding that everyone else has? ----- > ----- >Thank you, ----- > ----- >Bob Knight, CET ----- >(208) 495-2057 ----- >[EMAIL PROTECTED] ----- >www.firebyknight.com ----- > ----- > ----- >No virus found in this outgoing message. ----- >Checked by AVG Free Edition. ----- >Version: 7.5.476 / Virus Database: 269.11.8/941 - ----- >Release Date: 8/7/2007 ----- >4:06 PM ----- > ----- > ----- >_______________________________________________ ----- >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) _______________________________________________ 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) No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.5.476 / Virus Database: 269.11.8/941 - Release Date: 8/7/2007 4:06 PM No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.476 / Virus Database: 269.11.8/941 - Release Date: 8/7/2007 4:06 PM _______________________________________________ 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)
