[TowerTalk] Tack welding rebar

Jim Lux jimlux at earthlink.net
Sat Jan 4 00:13:27 EST 2014

On 1/3/14 7:53 PM, David Gilbert wrote:
> That's a long-debunked urban legend.  Don't believe me?  Do some web
> searching, including the archives of this very forum.
> Besides, there is nothing ... nothing ... in any description of a Ufer
> ground that requires welding the rebar together.  Crossed and tied
> connections do just fine.
> 7

In fact, there's a whole thing on whether you even need to tie the rebar 
to make a "legal" and/or "functional" grounding electrode, or whether 
just having 20 feet of metal in the concrete is sufficient.

Tests show that as long as the pieces of rebar are "adjacent" that it 

I'll have to find the paper...

I don't think a piece of anchor chain would necessarily work, but it 
probably would.

The real key is "minimum voids"

More information about the TowerTalk mailing list