The planning director of a city of the primary class shall be responsible for preparing the comprehensive plan and amendments and extensions thereto and for submitting such plans and modifications to the city planning commission for its consideration and action. The planning commission shall review such plans and modifications and those which the city council may suggest and, after holding at least one public hearing on each proposed action, shall provide its recommendations to the city council within a reasonable period of time. The city council shall review the recommendations of the planning commission and, after at least one public hearing on each proposed action, shall adopt or reject such plans as submitted, except that the city council may, by an affirmative vote of at least five members of the city council, adopt a plan or amendments to the proposed plan different from that recommended by the planning commission.

When such city is considering the adoption or amendment of a zoning ordinance or the approval of the platting or replatting of any development of real estate, the planning director shall notify any military installation which is located within the corporate boundary limits or the extraterritorial zoning jurisdiction of the city if the city has received a written request for such notification from the military installation. The planning director shall deliver the notification to the military installation at least ten days prior to the meeting of the planning commission at which the proposal is to be considered.