The city manager shall determine the abutting private owners, the proportion of abutting property owned, the portion of such alley, street, or public way which shall be offered to each abutting property owner, and the terms and conditions of such sale or conveyance. The Board of Commissioners shall approve, modify, or reject the provisions for sale or conveyance as presented by the city manager. (Ord. #529, 09/07/78).