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Old 11-03-2018, 09:35 PM   #26
cx
Da Home Builder
 
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Join Date: Jul 2001
Location: Boerne, Texas
Posts: 87,596
Good catch, Shawn. I overlooked the trench part, even though I knew he had to move his drain.

I, too, always dowel the sides of such holes in the concrete. I don't do it your way, though. I like my dowels pretty tight fit and I'll generally drill them on each side at a slight angle (easier), make the dowels long enough to reach most of the way across a concrete void, bend them down and simply wire-tie bars from each side together where they pass across the void.

Depending on the size and shape of the patch I just do what I think necessary.

I'm also assuming here that he didn't find any post-tension cables to cut. If there is existing re-bar in the concrete, I will have tried to leave it in place while re-doing the plumbing.

My opinion; worth price charged.
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