Any necessity of taking property for the city by condemnation shall be determined by the commission and declared by a resolution of the commission describing the property and stating the uses to which it shall be devoted.
The procedure for making, altering, vacating, or abandoning a public improvement shall be governed by general ordinance or, to the extent not so governed, by the applicable general laws of the state. Action on any proposed public improvement, except a sidewalk or except an improvement unanimously declared by the commission to be needed at once because of an emergency, shall be suspended for six months upon a remonstrance thereto by the owners of two-thirds of the land to be specially assessed therefor. In this section, "owner" shall mean the record holder of legal title or, where land is being purchased under a land sale contract recorded or verified to the auditor in writing by the record holder of legal title to the land, the purchaser shall be deemed the "owner."
The procedure for levying, collecting, and enforcing the payment of special assessments for public improvements or other services to be charged against real property shall be governed by general ordinance.
A contract in excess of $5,000.00 for a public improvement to be made by a private contractor shall be let to the lowest responsible bidder for the contract and shall be done in accordance with plans and specifications approved by the commission.