Re: Another one for the books

[Crash Gordon® <NONE@xxxxxxxx>]

I haven't seen a dry system in 30 years.. We don't need dry pipes out =
here, never gets cold enough.


"petem" <petem001@xxxxxxxxx> wrote in message =
news:yDm3e.53471$rl.1049854@xxxxxxxxxxxxxxxxxxxxxx
> Not exactly a dry system cause of the 2 pipe system..
> the one under air pressure sure look like a dry system...
>=20
> But the second set of pipe witch have only heads that are fully open =
is the=20
> one that will eventually have water in it...
>=20
> a pretty strange setup..
>=20
> "Crash Gordon=AE" <NONE@xxxxxxxx> a =E9crit dans le message de news:=20
> nIc3e.9$%D2.400@xxxxxxxxxxxxxxxxxx
> sounds like a dry pipe system?
>=20
>=20
> "petem" <petem001@xxxxxxxxx> wrote in message=20
> news:sEa3e.24958$rl.694508@xxxxxxxxxxxxxxxxxxxxxx
> > I have come across a very special type of sprinkler here in a shop =
where
> > they make plastic...
> >
> > There is 2 line of pipes...one is looking like the normal one we see =
every
> > where but the size of the pipe looks small for the length of the =
pipe..
> > and there is a second pipe with heads at the same level as the first =
one=20
> > but
> > they have no detection device plugging the holes..like if they all =
been
> > triggered..and the pipe is normal size for sprinkler...
> >
> > the way it work is that pipe with detection heads on it on a small =
pipe is
> > under air pressure and there is no water in those pipes..
> > when a head blow because of heat the air pressure drop releasing =
water to
> > the other bigger pipe and flooding the whole place..
> > I have seen it in action...boy it was raining like in a tropical =
storm
> > inside...
> >
> > from what I understood this system was a down fit from water based=20
> > original
> > system to a air one (the smaller system) cause they don't heat the =
place=20
> > at
> > all during winter and the original system could not be converted to =
air
> > directly because of some law..
> >
> >
> >
> > "Jackcsg" <nospam@xxxxxxxxxx> a =E9crit dans le message de 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=20
> > >> 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=20
> > >> 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=20
> > >> with
> > >> fork trucks.  After a couple of years some character talked his =
way=20
> > >> 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=20
> > >> 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?
> > >
> > >
> >
> >
> >=20
>=20
>=20
>