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Abbreviation for without
Wash down area
Also called dump out area or clean out area, a location where the concrete trucks can remove their last contents for return back to the yard.
Concrete work inside a junction manhole installed to reduce turbulence
An area that is able to be damp or wet. This will affect the material to be placed in the area.
A non destructive method of testing the strength of concrete in situ. It is a machine that shoots 3 nail like pieces of metal into concrete and averages the strength of the concrete by averaging the distance each ""nail"" went into the concrete."
Abbreviation for a water valve