Fla. Stat. § 159.06

It shall be the duty of the governing body at or before the time any such project shall be acquired by purchase, to determine what repairs, replacements, additions or betterments will be necessary to place the project in safe and efficient condition for use, and to cause an estimate of the cost of such improvements to be made. The governing body shall authorize such improvements before the sale of any revenue bonds for the acquisition of such project, and the cost of such improvements shall be paid for out of the proceeds of such bonds.