Using a tape on wet concrete can get it pretty messed up pretty quick. I know they have some distance measuring devices using sound that are usually inaccurate unless you use a target. I use a laser level, and a laser thermometer (for hot asphalt),. Maybe someday they will combine these two with a laser rangefinder and plumb bob for a digital measuring device.

Larry2


---- Mary <[log in to unmask]> wrote: 
> My concrete guy had been complaining about his bulky and heavy, cranky  
> tape measure forever. So when we did he last pour, I told him I'd get  
> him a good one if he dumped the cruddy one into the concrete.
>

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