Sioux Chief 852 Series adjustable cleanout shall be used where necessary in drainage systems. Cleanout shall allow adjustment before the concrete pour. Cleanout shall have a SCH 40 hub connection, which conforms to ASTM D2665 (PVC) or D2661 (ABS). Connection to drainage system shall be made with a solvent weld joint to ABS/PVC pipe. Cleanout cover shall meet applicable load requirements for intended use. Cleanout shall include a 3-1/2 in slotted, polypropylene cleanout plug, situated in base adapter.