The planning commission may require the subdivider to dedicate suitable areas for the parks and playgrounds, and set aside areas for schools and other public building sites that will be required for the use of the population which is intended to occupy the subdivision under the plan of proposed property uses therein. In all cases the planning commission shall suggest to the subdivider such measures as will make for excellence of residential, commercial, or industrial development. (Ord. 89 § 3.5(b), 1955).