Re: Smoke Detection in a large enclosed venue

[Jim Davis <alarminex@xxxxxxx>]

On Monday, November 9, 2020 at 9:57:50 PM UTC-5, Jim Davis wrote:
> On Monday, November 9, 2020 at 2:10:48 PM UTC-5, ABLE1 wrote:
> > On 11/9/2020 1:42 PM, Jim Davis wrote:
> > > On Monday, November 9, 2020 at 10:03:08 AM UTC-5, ABLE1 wrote:
> > >> Hey guys,
> > >>
> > >> This is a I don't know question and looking for a answer
> > >> thingie.  This is not for a project or job just curious.
> > >>
> > >> My brother, (who only guesses an answer since he doesn't
> > >> really know one way or the other).  Mentioned to me the
> > >> other day that he heard that some large group was playing
> > >> at a venue and because of there FOG MACHINE it tripped off
> > >> the FIRE ALARM.  He then said that they must have replaced
> > >> the smoke detectors to units that can only see smoke and
> > >> not FOG.  Well I said to him that they more than likely
> > >> turned off the smokes while the FOG was there and then
> > >> turned them back on later because the smoke detectors
> > >> can't tell the difference between smoke, dust, spiders and FOG.
> > >>
> > >> What this did was made me think what a Alarm Company would do
> > >> in the case to actually meet code compliance??
> > >>
> > >> Beam Detectors can maybe be adjusted somehow or to maybe off.
> > >>
> > >> Heat Detectors can surely work and not be effected but for
> > >> heat only.  Not a good thing and really not code.
> > >>
> > >> Ionization Smokes maybe not sure............ doubt it.
> > >>
> > >> Turn off, and station multiple human bodies for a fire watch
> > >> during the event to yank on a Pull Station if there is a
> > >> real fire event observed.
> > >>
> > >> Get a variance with the jurisdiction to allow something other
> > >> than smoke detectors during an event that uses FOG Machines.
> > >>
> > >> Anybody know or been involved is something like this??
> > >>
> > >> Again just curious.
> > >>
> > >> Thanks,
> > >>
> > >> Les
> > >
> > > I"ve never used them but beyond photoelectric and Ionization there are also flame detectors. Usually used in large areas.
> > >
> >
> >
> >
> > Hi Jim,
> >
> > Now that is interesting..............  So would that be more
> > of some kind of a video temperature sensing device of sorts??
> >
> > Les
>
> Take a look at these: I think they come in various flavors. Infra red or Ultra violet or the two combined. I've only read about them in sales adds, so I'm not familiar with the science behind it.
>
> https://www.sense-ware.com/?utm_source=google&utm_medium=ads&utm_campaign=flame-detectors-vs&gclid=Cj0KCQiA7qP9BRCLARIsABDaZziDViplDAcIeFnLrVF3cs49oDwYGX0G1-L3-KZH4YrtMvJGUNBBgi8aAvswEALw_wcB
>
>
> https://www.findinfoonline.com/web?qo=semQuery&ad=semA&q=honeywell%20flame%20detector&o=1458613&ag=fw11&an=google_s&gclid=EAIaIQobChMIofGpwvz27AIVBL3ICh3z0A-cEAAYASAAEgJrcPD_BwE&rch=us317

Opps, I didn't read all of your  post before I sent this.