SEC. 11.05  HOW PUBLIC UTILITIES MAY BE SOLD.
   No public utility owned by the city shall be sold or otherwise disposed of by the city unless the full terms of the proposition of sale or other disposition are embodied in an ordinance approved by a majority of the electors voting thereon at a general or special election. In the case of a water works or light plant, any sale, lease, or abandonment shall be subject, in addition, to the requirements of state law.