For the purpose of promoting the public health, safety, morals, and general welfare, the town council may adopt, amend or repeal, and provide for the administration, interpretation, and enforcement of this ordinance or any part thereof on its own motion, on the petition of any person, group, or corporation, or on the recommendation of the planning board. The zoning ordinance, and all amendments thereto, shall be consistent with the Town of Narragansett's comprehensive plan, as described in G.L. 1956, § 45-22.2-1 et seq., and shall provide for the implementation of the Town of Narragansett's comprehensive plan. The town council shall refer every proposed amendment to the town planning board for review and recommendation prior to the public hearing on the amendment.