Interesting. Unless I'm misreading something, NFPA 20 and the IBC/IFC flat-out contradict each other on this issue. The IBC/IFC says they have to be electrically supervised, sealed or locked. NFPA 20 (2010) says they need nothing.
Ed Kramer Littleton, CO > -----Original Message----- > From: [email protected] [mailto:sprinklerforum- > [email protected]] On Behalf Of John Drucker > Sent: Thursday, December 02, 2010 8:29 PM > To: [email protected] > Subject: RE: tamper switches > > Ed, > > Heres the references from the I-Codes > > 2006 and 2009 IBC/IFC > > [F] 903.4 Sprinkler system supervision and alarms. > > All valves controlling the water supply for automatic sprinkler systems, > pumps, tanks, water levels and temperatures, critical air pressures and > waterflow switches on all sprinkler systems shall be electrically > supervised > [by a listed fire alarm control unit][Added 2009]. > > Exceptions: > > 4. Jockey pump control valves that are sealed or locked in the open > position. > > Hope that helps > > John Drucker, CET > Fire Protection Subcode Official > Fire/Building/Electrical Inspector > Fire Marshals Office > Borough of Red Bank, NJ > > Not the official position of any agency, association, committee or > otherwise. Verify all applications and approvals with your local > authority > having jurisdiction. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Ed Kramer > Sent: Thursday, December 02, 2010 6:03 PM > To: [email protected] > Subject: RE: tamper switches > > Thanks, Greg. Looks like it's time to update my NFPA 20. > > > -----Original Message----- > > From: [email protected] [mailto:sprinklerforum- > > [email protected]] On Behalf Of Greg McGahan > > Sent: Thursday, December 02, 2010 3:40 PM > > To: [email protected] > > Subject: Re: tamper switches > > > > *4.25.5.7* 2010 edition - the JP Isolation valves are NOT required > to > > be supervised. > > > > > > On 12/2/2010 3:48 PM, Ed Kramer wrote: > > > Are suction and discharge valves of a jockey pump required to be > > supervised? > > > Section 5.16.1 (NFPA 20 2007) says 'yes', but doesn't clarify if its > > > intended to apply to both fire pumps and jockey pumps. Anybody want > > to > > > speculate on the intent? I've always put tamper switches on them, > but > > now > > > I'm wondering if it's required or not. > > > > > > > > > > > > Ed Kramer > > > > > > Littleton, CO > > > > > > _______________________________________________ > > > Sprinklerforum mailing list > > > [email protected] > > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > > > For Technical Assistance, send an email to: > [email protected] > > > > > > To Unsubscribe, send an email to:Sprinklerforum- > > [email protected] > > > (Put the word unsubscribe in the subject field) > > > > -- > > Greg C. McGahan Living Water Fire Protection, LLC. 1160 McKenzie Road > > Cantonment, FL 32533 850-937-1850 Fax 850-937-1852 > > _______________________________________________ > > Sprinklerforum mailing list > > [email protected] > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > > For Technical Assistance, send an email to: [email protected] > > > > To Unsubscribe, send an email to:Sprinklerforum- > > [email protected] > > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:Sprinklerforum- > [email protected] > (Put the word unsubscribe in the subject field) > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:Sprinklerforum- > [email protected] > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.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)
