[TowerTalk] Tower grounding

[David Gilbert]

Why is that a "reasonable extrapolation"?  Copper wire won't corrode, 
and rust/corrosion is the ONLY reason that codes require rebar to be 
fully embedded in the concrete.  Please explain ...

Dave   AB7E




On 7/17/2013 12:52 PM, Grant Saviers wrote:
> Building codes now REQUIRE Ufer grounds in many jurisdictions for new 
> foundations.  Codes also REQUIRE that rebar be covered with concrete, 
> usually a minimum of 3" to prevent corrosion ingress along the rods.  
> So it is reasonable to extrapolate that ground wires connected to the 
> rebar should not exit the concrete below grade ... <snip>
>
> Grant KZ1W