Changes or alterations in contract -- Liability of county

(1) If the county executive enters into a contract for the construction, alteration, or repair of any public building or other public structure, the contract may be altered or changed only if the alteration or change is within the general scope of the contract. (2) If the county executive makes a change or alteration to the contract , as described in Subsection (1): (a) the particular change or alteration shall be specified in writing; and (b) the increase or decrease in cost due to the change or alteration shall be established by the county executive according to either: (i) the provisions of the contract; or (ii) established principles of the construction industry. (3) (a) The county executive may adopt policies and procedures to delegate authority for approval of changes or alterations in the contract to a county employee, including the county engineer, architect, surveyor, or director of the department or division responsible for the work. (b) Unless the requirements of this section are met, the county is not liable for any extra work done on the buildings or public structures.