3717-1 ›3717-1-05.3 Water, plumbing, and waste: sewage, other liquid waste, and rainwater ›3717-1-05.3(B) Water, plumbing, and waste: sewage, other liquid waste, and rainwater3717-1 Ohio Uniform Food Safety CodeDrainage system. Food service operation or retail food establishment drainage systems, including grease traps, that convey sewage are to be designed and installed as specified under paragraph (B)(1) of rule 3717-1-05.1 of the Administrative Code.← 3717-1-05.3(A) Water, plumbing, and waste: sewage, other liquid waste, and rainwater3717-1-05.3(C) Water, plumbing, and waste: sewage, other liquid waste, and rainwater →