The Director of Public Works shall undertake the preparation of a uniform street lighting map for a portion of, or all of, the City, and recommend its adoption by the City Council by resolution. Said uniform street lighting map shall indicate types of ornamental light design in particular locations, and lighting requirements as they may exist in various parts of the City, and after its approval and adoption by the City Council, shall be, unless modified by resolution of the City Council, adhered to in all future street lighting projects. Said map may be amended from time to time by resolution of the City Council. (Ord. 1205 § 2, 1969; prior code § 27.901).