Contracts.

1. When the estimated total cost of a public improvement, other than improvements which may be paid for from the secondary road fund, exceeds the competitive bid threshold in section 26.3 , or as established in section 314.1B , the board shall follow the competitive bid procedures for governmental entities in chapter 26 and the contract letting procedures in section 384.103 . As used in this section , “public improvement” means the same as defined in section 26.2 as modified by this subsection . 2. The board shall give preference to Iowa products in accordance with chapter 73 and shall comply with bid and contract requirements in chapter 26 . 3. Contracts for improvements which may be paid for from the secondary road fund shall be awarded in accordance with sections 309.40 through 309.41, 309.43 , 310.14 , 314.1 , 314.2 , and other applicable state law. 4. If the contract price for a public improvement is twenty-five thousand dollars or more, the board shall require a contractor’s bond in accordance with chapter 573 . 5. In exercising its power to contract for public improvements, the board may contract for the application of contract termination procedures in accordance with chapter 573A . [C24, 27, 31, 35, 39, § 351, 5131, 5132; C46, 50, 54, 58, 62, 66, 71, 73, 75, §23.1, 332.7, 332.8; C77, 79, 81, §23.1 , 332.7 ; S81, §331.341 ; 81 Acts, ch 117, §340 ] 94 Acts, ch 1173, §18 ; 95 Acts, ch 71, §2 ; 98 Acts, ch 1153, §1 ; 2006 Acts, ch 1017, §31, 32, 42, 43 ; 2007 Acts, ch 144, §13 ; 2011 Acts, ch 133, §8, 10, 11 ; 2021 Acts, ch 80, §199 Referred to in §28J.3 , 28M.4 , 331.301 , 331.471 , 346A.2 , 350.6 , 357H.7