19 Del. Admin. Code § 1322-1.0
The prevailing wage law states that the specifications for every contract or aggregate of contracts relating to a public works project in excess of $500,000 for new construction (including painting and decorating) or $45,000 for alteration, repair, renovation, rehabilitation, demolition or reconstruction (including painting and decorating of building or works) to which this State or any subdivision thereof is a party and for which the State appropriated any part of the funds and which requires or involves the employment of mechanics and/or laborers shall contain a provision stating the minimum wages to be paid various classes of laborers and mechanics which shall be based upon the wages that will be determined by the Delaware Department of Labor, Division of Industrial Affairs, to be prevailing in the county in which the work is to be performed.
19 Del. Admin. Code § 1322-1.0