[TowerTalk] How best to keep the rebar cage centered in thehole?

[Donald Chester]

I suspended mine from 2 X 4's laid across the hole, using the same kind of 
wire I used to tie the pieces of rebar together.  After the concrete was 
poured, I shoved diagonal cutters down into the poured concrete and clipped 
off the wires beneath the surface, and then made sure I smoothed over the 
hole where I removed the cutters.

Then I immediately washed the concrete off the cutters.
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