On Sun, 01 Jan 2006 03:17:07 GMT, with neither quill nor qualm, Bruce
L. Bergman quickly quoth:

On Sat, 31 Dec 2005 17:36:07 -0800, Larry Jaques
wrote:

I need to set up a little box fan for a TIG welding station so I
can vent the nasty gases outside. My shop is included in my HVAC
system (2 car shop with attached home) so I need to be careful with
that.

Wait just a cotton-picking minute here! You don't have heat ducts
and a return from the house system rigged to an attached garage, do
you?

Of course not, Bruce. g


Even if you rigged them with fire dampers and a return duct
smoke detector, the local Fire Department will still have kittens if
they find out. Not to mention your homeowners insurer...

The local inspector came out and looked at the attic installation of
the HVAC system and signed it off.


That firewall between house and garage has to remain intact, or any
bad things that happen will get much worse, really fast.

The house was made in the mid sixties, before firewall standards came
into being. 1/3 of the fireplace wall is comprised of brick, 1/3
sheetrock (single thickness 3/4"), and 1/3 fiberboard (single
thickness 3/4" of that brown, mushy stuff a gal could put her fist
through if she wanted)

The shop is primarily a woodshop, so I'm up **** creek in a fire
anyway. That's why I won't be doing much welding inside. One of my
220v outlets is right next to the side door and my arc welder goes
outside to weld on the sidewalk (usually during the late-
spring/summer/early-fall months)


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