Blair Quarry Blair, WI In May of 2011 Dalmaray Concrete Products of Janesville, WI learned that Winn Bay Sand needed a very tall retaining wall, and they needed it quick! The wall would support an elevated platform that needed to be built into the side of a sandstone cliff that would serve as an off-loading / tipping station for their mining trucks. The platform needed to be 36’ in height, the face of the wall needed to be “near vertical”, and the wall would be subjected to a 2000 pound per sq. ft. surcharge from the large mining trucks that would back up to the edge of the wall. In front of the vertical wall would be a large elevated hopper into which the trucks would empty their sand and rock. The customer needed the ramp built quickly and affordably. Dalmaray approac

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