CB-624 or CB-2424 Catch Basin for Watts Dead Level ® Pre-Sloped Trench Drain System, 6 in. (152mm) or 24 in. (610mm) (specify) wide x 24 in.(610mm) long x 24 in.(610mm) deep, with UV stabilized talc-filled polypropylene body with 4 in. (102mm) and 6 in. (152mm) no hub outlet connections, and polypropylene (6 in. wide only) or ductile iron frame. Catch Basin shall be frame-anchored, with (specify) grating and lockdowns to suit DIN Class (specify) load rating. Installation to be performed in accordance with manufacturer's recommendations.