Charles, I don't get the distinction here? On 3/11/08, Charles Thurston <[EMAIL PROTECTED]> wrote: > > Hello A.P.Silva, > > In my opinion I would have to agree all AID's should be zoned by floor. > This is due to the use of the word "AND" in the following line. If the > word > was "OR" I would be on your side of the fence. > > > "Alarm initiating devices" are given as "heat detectors, > > waterflow switches and manual stations". > ^^^ > Tuesday, March 11, 2008, 2:12:35 AM, you wrote: > > > This is a 30,000 sq.ft. residential 4 storey building of combustible > > construction. The building code limits building area to approx. 18,000 > > sq.ft. My understanding is the firewalls are due to this area limit. > 30,000 > > sq.ft. building split into three, approx. 10,000 sq.ft. each. The > building > > code also states that on the actuation of "alarm initiating devices" the > > fire alarm annunciator shall have separate zone indication for each > "floor > > area". Floor area is defined as the space between the exterior walls and > > required firewalls. "Alarm initiating devices" are given as "heat > detectors, > > waterflow switches and manual stations". My interpretation is that the > > intent of the code is satisfied if any one of the alarm initiating > devices > > (AID) satisfy the zoning requirement. The AHJ insists that "all" AID's > > should be zoned per "floor area". > > > What I'd like to know is if other building codes have similar > annunciator > > requirements, and if so, is the sprinkler system zoned for each fire > > compartment? > > > Tony > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of Roland > > Huggins > > Sent: March 10, 2008 2:56 PM > > To: [email protected] > > Subject: Re: Horizontal Exits > > > Considering that a 4 story building can be a SINGLE zone for ALL floors, > > still can't see the barrier driving a split per floor zoning. The > mention > > of triggering smoke control does flag that it > > could be a performance based design building, then all bets are off. > > For a PBD, such thing are documented. > > > You may very well being dealing with a "seemed like a good idea at the > time" > > issue. > > > Roland > > > On Mar 10, 2008, at 1:55 PM, Justin Reid wrote: > > >> Zoning the sprinkler system to one side versus the other will tell the > >> fire department which side of the horizontal exit the fire is located. > >> They may be stating that separate zoning is needed so they know which > >> side of the horizontal exit to respond to. That is the only reason I > >> can think of to zone the two sides differently. And to answer your > >> question, I have not seen a system split into two zones for just a > >> horizontal exit. But I am a newbie ( <5 years in the business so I > >> would defer to others on that). > > > _______________________________________________ > > 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) > > > -- > Best regards, > Charles Thurston CET mailto: > [EMAIL PROTECTED] > Coastal Fire Protection > > _______________________________________________ > 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) >
-- Ron Greenman at home.... _______________________________________________ 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)
