Ultrasonic can be used.
Regards,
On Mon, Jun 1, 2009 at 7:14 PM, Jim Getaz <jgetaz@shockeyprecast.com> wrote:
> Erik,
> I don't know if the hole can be cut without compromising the
> slab's structural integrity, but I doubt they "x-rayed" the slab. Last time
> I knew, X-Rays required a source on one side and film on the other. I doubt
> they put one under the slab. There are certainly other ways of determining
> tendon locations, but I get nervous when someone is imprecise.
> Jim Getaz
> Winchester, Va.
>
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