This title shall not limit or interfere with the temporary use of any property as a voting place. Public utility uses excepting buildings and service yards or storage yards are permitted uses in any district, without limitation as to height; provided that plans for any such use, except local distribution lines and except when located in an M-2 district shall be submitted to the planning commission for a report and recommendation prior to the acquisition of any site, easement or right-of-way. (Prior gen. code § 8-60.1)