US Patent 7913704 Systems and methods for washing-out concrete pouring equipment

A system for washing-out concrete pouring equipment includes a bin for receiving waste materials washed with water from the concrete pouring equipment. The bin includes openings allowing liquid to drain into a base unit that includes sidewalls defining a receptacle for receiving the bin and a sloped bottom for conveying liquid drained from the bin to a sump. A filtering system filters particulate matter from liquid provided from the sump to recover the water.