The city commission shall have the power within and without its corporate limits,
to construct, condemn, purchase, acquire or lease any interest in any property, and
to maintain, conduct, own and operate, within and without the corporate limits, wharves,
warehouses, ship canals, breakwaters, reservoirs, sewerage systems, trunk sewers,
intercepting sewers, pumping stations, wells, siphons, intakes, pipe lines, distribution
systems, purification works, collection systems, treatment and disposal works, transportation
systems, cemeteries, gas plants and distribution systems or other public utility,
airports and necessary hangars and appurtenances, or facility deemed necessary for
the public good, and any buildings or facilities as may be required in connection
therewith, and to make a contract of whatever nature in connection therewith; and
shall have the right and power to issue bonds or revenue certificates in the manner
provided in this charter, in an amount necessary to carry out any of said powers or
purposes. All of the above works are considered as utilities within the meaning of
any constitutional or statutory provision, and any existing utility may be combined
with another existing utility and jointly improved by one (1) issue of revenue bonds
or certificates, and the revenues derived jointly pledged to retire such bonds or
certificates.