Patent ID: 7735675

Claim:
An environmentally safe concrete fluid waste material washout container having an open top, said container comprising a floor, a front wall, a back wall, a first side wall and a second side wall, said floor, said front wall, said back wall, said first side wall and said second side wall together defining a partially enclosed space for receiving concrete fluid waste material, means to introduce a downward flow of concrete fluid waste material directly from the open top of the container into the space, said floor having an uninterrupted, unbroken surface which extends for substantially an entire length of the container, at least one of the side walls comprising a pair of wall members, each of said wall members having a longitudinal length, a lower end near the floor, and an upper end, said pair of wall members forming a longitudinally extending open area therebetween, opening means extending through one of the wall members to provide access between the space and the open area, whereby concrete fluid waste material entering the opening means flows downwardly into the open area, and second opening means extending through said one of the wall members near the floor of the container to permit concrete fluid waste material to flow out of the open area for ultimate removal from the container.