Unimin Corporation Frac Sand Mine

Tunnel City, WI

The Unimin Tunnel City Concrete Foundation project consists of a 101,400 square foot process facility which includes two (2) sloped drain slabs, a wet process area, a drying area, a screening area, and a rail load out facility. Over 13,000 cubic yards of concrete, 1,057 tons of reinforcing steel, and 2,400 lineal feet of trench drains were used to construct the cast-in-place structural concrete foundations. Wieser Brothers completed the project in the projected 6 month time frame.

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