Abstract: An improved paint clean-up container comprising two nested vessels with a grate disposed in the inner vessel. The outer vessel comprises a bucket with a bottom and sloped sides, with a raised circular portion comprising a circular rib to accommodate and guide the inner vessel into position. The inner vessel also comprises a bucket with a bottom and sloped sides; however the inner vessel also comprises a shelf disposed below the rim for holding the grate. The raised circular portion of the outer vessel holds the inner vessel in a central position, while the shelf of the inner vessel prevents the grate from changing position.

Abstract: An improved paint clean-up container comprising two nested vessels with a grate disposed in the inner vessel. The outer vessel comprises a bucket with a bottom and sloped sides, with a raised circular portion comprising a circular rib to accommodate and guide the inner vessel into position. The inner vessel also comprises a bucket with a bottom and sloped sides; however the inner vessel also comprises a shelf disposed below the rim for holding the grate. The raised circular portion of the outer vessel holds the inner vessel in a central position, while the shelf of the inner vessel prevents the grate from changing position.

Abstract: The dispensing end of a concrete handling mechanism is positioned over a catch basin while a stream of washing water is directed at the working surfaces thereof so that the wash residue falls into the basin. The agitated liquid portion containing the reactive constituents of the concrete entrained therein are then passed into a collection enclosure through slotted filter housings that exclude the larger constituents of the concrete including sand and aggregate which further accumulate at the slots to form decanting weirs over which the liquid passes. The liquid collected in the enclosure may be concurrently pumped out while the accumulated aggregate residue is collected and disposed.

Abstract: A concrete wash residue collection structure includes a catch basin in which the constituents of wet concrete dislodged by a stream of washing water directed at the working surfaces of concrete handling equipment is first collected is then mounted on a carrier vehicle to be transported along a path along which smaller wash residue collection trays are placed to be lifted and drained into the basin. Throughout this collection process the agitated liquid portion containing the reactive constituents of the concrete entrained therein are then passed into a collection enclosure through slotted filter housings that exclude the larger solid constituents of the concrete like sand and aggregate which further accumulate at the slots to form decanting weirs over which the liquid passes. The liquid collected in the enclosure may is continuously pumped out to be thereafter neutralized while the accumulated aggregate residue collected in the basin is disposed in a landfill.