Minn. Stat. § 246.141

Wages for project labor may be paid by the executive board out of repairs and betterments money if the individual performing project labor is engaged in a construction project or a repair project of short-term and nonrecurring nature. Compensation for project labor must be based on the prevailing wage rates, as defined in section 177.42, subdivision 6 . Project laborers are excluded from the provisions of sections 43A.22 to 43A.30 , and are not eligible for state-paid insurance and benefits.