Atlantic Pumps, the Sheffield, England-based supplier of industrial dewatering and pumps for handling abrasive applications, was approached by a county Derbyshire quarry, central UK, that had been experiencing problems with its dewatering pumps. Shardlow Quarry, owned by Hanson Aggregates, opened in 1989, and is one of the largest sand and gravel operations in the River Trent valley. It discussed its ongoing pumping problem with Nathan Rowles, Atlantic Pumps sales manager, during an arranged site visit. The