Continuing the discussion, the answer to the question is simple does a statute, regulation or code prescribe an abort station on a deluge or preaction system ?
Keep in mind that codes and standards are being written in positive language, i.e. whats permitted vs negative language, i.e. whats prohibited. Remember what state I'm from ?, Missouri. John Drucker -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Sal Izzo (TECH- 103) Sent: Tuesday, April 07, 2009 9:04 AM To: [email protected] Subject: RE: Pre-action abort It is true that the laboratory test standards do not fit into the hierarchy of code enforcement;; however, NFPA 13 requires the products used in sprinkler systems to be listed. As Mike stated, UL 864 requires that abort switches shall not be used on deluge or preaction systems. If an abort function is provided and is used on such systems, it would not meet the functional requirements of the test standard and not be recognized as listed. Salvatore Izzo, P.E. Manager - Reliable Technical Services ________________________________________ From: [email protected] [[email protected]] On Behalf Of John Drucker [[email protected]] Sent: Tuesday, April 07, 2009 6:29 AM To: [email protected] Subject: RE: Pre-action abort Great question. Listings don't seem to have the effect one would assume. We often hear "must be installed in accordance with the listing", or "product listed for the intended purpose". Then we see prescriptive code applications such as deck and balcony sprinklers and smoke alarms used in other then dwelling units. The government can pretty much do as it pleases in the pursuit of "safeguarding building occupants and emergency responders" It's about the hierarchy of code enforcement, it goes something like this; 1. Statutes = The Legislative action, in NJ the "Uniform Construction Code Act" 2. Regulations = The Department or Commissioner rule making, in NJ the "Uniform Construction Code" 3. Codes= The where and when side of the equation, in NJ the 2006 IBC/NJ Edition, amongst many others. 4. Reference Standards = The how side of the equation, in NJ the 2002 Edition of NFPA-13 for example. 5. Manufacturer's Instructions = The specific how for a specific product. 6. Listings = The nationally recognized testing lab that evaluated the product for fitness. I'm sure there are variants at municipal, county and even federal levels. Bottom line if a statute, regulation or code prescribes it then so it shall be. Hope that helps, John Drucker -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Jay Jay Blocker Sent: Monday, April 06, 2009 11:37 PM To: [email protected] Subject: Re: Pre-action abort But where does the UL rank in order? By this I mean if the local area has adopted 13 and 25 do they also have to take into account ULs rules or just say as long as the device is listed it is good? ________________________________ From: Mike Henke <[email protected]> To: [email protected] Sent: Monday, April 6, 2009 4:45:14 PM Subject: RE: Pre-action abort It is prohibited by UL. UL 864 states: Abort switches shall not be used on systems intended to perform pre-action or deluge functions. Regards, mike Mike Henke CET Sprinkler Product Manager Potter Electric Signal Co. LLC WWW.POTTERSIGNAL.COM 866-572-3005 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Monday, April 06, 2009 4:29 PM To: [email protected] Subject: RE: Pre-action abort Question one: Why? Question two: At what stage of system response do you want to abort? There is no mention anywhere in NFPA 13 about the allowance or disallowance of an abort switch. I just can't see where anyone would be quick enough to get to it if something in the system started an operation anyway. With all the delays already built in to a double interlock system what in the world could another interruption accomplish? I would not be in favor of it. But for the sake of curiosity, what's the application and reasoning behind the question? 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 Chris Cahill Sent: Monday, April 06, 2009 5:15 PM To: [email protected] Subject: Pre-action abort Can one have an abort button on a double interlock pre-action (electric/pneumatic)? I'm assuming it would be like on a clean agent system. PE hasn't got back to us (don't really expect him to, not a surprise). Chris Cahill, P.E. Fire Protection Engineer Sentry Fire Protection, Inc. 763-658-4483 763-658-4921 fax Email: [email protected] Mail: P.O. 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