Actually, all residential are Fast Response (QR) but not all Fast Response (QR) are residential.
The consideration is as much a function of spray patterns, coverages, sprinkler placement, discharge characteristics, etc. when determining which sprinklers, and by default, which design paramters to utilize. You can not just interchange them nor their design parameters based on one or two considerations. If you choose to utilize residential, you must also utilize the residential design parameters. If you choose to utilize quick-response (non-residential), you must then utilize the area/density method, room design method, corridor calculation method, etc (whatever and where ever it applies or is required) to design/calculate your system. They are not interchangeable, in my opinion, unless the NFPA standards specifically directs you to "special" allowances for their use. Thanks, Ray Vance Chief Engineering Tech. Wayne Automatic Fire Sprinklers, Inc. www.waynefire.com -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Travis Mack, SET Sent: Friday, January 25, 2008 12:15 PM To: [email protected] Subject: RE: residential heads / 4 head calc I believe they are FAST response, but not listed as QR. However, I could be wrong on that. Just because it has a 3mm bulb does not make it a QR sprinkler. So, if they are Fast response, then Greg's question is very valid. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of å... .... Sent: Friday, January 25, 2008 9:33 AM To: [email protected] Subject: residential heads / 4 head calc is there a residential sprinkler that is NOT QR. I know there are other criteria in the design of residential sprinklers (like higher throw), but I thought all were QR, at least for the point of making this dumb question here and now. scot deal excelsior fire _______________________________________________ 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) __________ NOD32 2822 (20080125) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com _______________________________________________ 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)
