The Council, pursuant to ordinance, and without an election, may borrow money, issue bonds, or otherwise extend the credit of the City to purchase, construct, condemn, acquire, extend or improve a public utility or revenue producing project, or for any other capital improvement project or public purpose; provided, that the bonds or other obligations shall be payable from the net revenue and income from the operation of the utility system or other project to be constructed or installed with the proceeds of said bonds or other obligations, or shall be payable in whole or in part from the available proceeds of a City sales, use, occupational privilege and/or admissions tax. (Amended at election held Nov. 6, 1990)