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Re: Another one for the books



"Jackcsg" <nospam@xxxxxxxxxx> wrote in message
news:ZPmdnf4gK4Qf-tHfRVn-tw@xxxxxxxxxxxxxxx
> "Robert L. Bass" <robertlbass@xxxxxxxxxxx> wrote in message
> news:bf6dnX_bSpZnoNHfRVn-tw@xxxxxxxxxxxxxx
>> > nor do all the heads pour buckets
>> > of water down at the same time.
>> > It only happens in Hollywood.
>>
>> There is a type of sprinkler system which does that.  It's called a
>> deluge
>> system.  Activate it and water sprays out everywhere.  I've only seen one
> of
>> them.  It was a huge warehouse in Farmington, CT.  They had a huge fire
> pump
>> and backup generator to provide the necessary water pressure.  We
> monitored
>> waterflow, pressure, primary and secondary power, etc.
>>
>> BTW, this was a takeover of a huge ADT installation.  The client had
> broken
>> off from ADT for reasons unknown to us.  Neither system was functioning
> when
>> we arrived, though I don't think it was really ADT's fault.  These people
>> regularly broke things.  The burglar alarm was a muxed system with
>> modules
>> installed all over the building.  Sensors had (IIRC) 6K EOL resistors.
>> We
>> replaced the burglar alarm with a Napco MA-3000.  I forget what we used
> for
>> the fire alarm.
>>
>> Anyway, we installed the systems, fixed a number of problems with the
> wiring
>> and made frequent visits to repair stuff when they would hit things with
>> fork trucks.  After a couple of years some character talked his way into
>> doing a free "inspection" for them.  He told the client there were
> problems
>> with the alarms (which were functioning perfectly) and sold them on an
>> "upgrade".  They wound up with a single, combined bug and fire alarm
>> system -- which was not even rated for commercial fire.  They were slow
>> payers so I was actually glad to be rid of them.
>>
>> Oh, by the way, the deluge system had been installed because the prior
>> owners of the building stored flammable goods.  The people who had it
>> when
>> we got there stored computer hardware.  Imagine what would have happened
> if
>> that deluge system went off with a few million dollars worth of PCs on
>> the
>> shelves.  :^)
>>
>> Regards,
>> Robert L Bass
>>
> I've never run across one. I can see why I haven't though....
> What did it use to detect a fire?


The ones I've come across have all been "fired" through an extinguishment
panel.  Notifier, Potter, Chubb/Pyrene, Edwards, and Kidde all make them
(plus a few others)...




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