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Re: Cutting blocks

Subject: Re: Cutting blocks
From: Don Tiana <>
Date: Mon, 4 Nov 2002 13:47:39 -0800
I do apologize, I sent this out earlier and (brain faded) forgot to edit
my reply....dt

FYI, In my neck of the woods welding of rebar is prohibited by code, 
only wire tying is acceptable. Chances are you'll be don't
in an earthquake area I hope. 
If you do use your circular saw for scoring any masonry get something 
like an old foam wet/dry vac filter with a light coating of oil and wrap
around the vents of the motor, otherwise the dust will get sucked inside 
and really do a number on the bearings. It beats having to take it apart
and clean it afterwards.

Don Tiana
Topanga Cyn., CA.
Still searching for that  H-Mod Lotus Eleven #109

On Mon, 4 Nov 2002 10:17:24 -0800 "PHINNEY,HARRY K (HP-Corvallis,ex1)"
<> writes:
> Mike Rambour wrote:
> > p.s. Like I said its my first concrete project, my neighbor had a 
> good 
> > laugh when he saw me welding up the rebar for a 55"X59" slab. he 
> mentioned
> > something about Junkyard wars overkill.
> Since, as your neighbor said, the rebar was overkill this should be 
> OK,
> however do note that standard rebar should not be welded. Standard 
> rebar
> (i.e. rebar not explicitly marked as weldable) gets its strength 
> with
> relatively high amounts of carbon, and does not take well to 
> welding. It
> will generally be quite brittle somewhere in the heat affected zone. 
> Wire
> tying is the best approach.
> Harry Phinney

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