Sioux Chief 860 Series FatMax floor sink shall be used where necessary in drainage systems. Sink shall be molded from impact-modified PVC material with Schedule 40 hub connection conforming to ASTM D2665. Sink shall show no significant distortion at water temperatures up to 180 deg F. Strainer shall be heel-proof and shall meet all applicable load requirements for intended use. Sink shall be designed with a concrete anchor flange for solid installations. Designed in accordance with ASME A112.6.7-01.