Amends the County Design-Build Authorization Division of the Counties Code. Provides that, rather than evaluating design-build proposals to see if they meet the utilization goals for business enterprises established in the Business Enterprise for Minorities, Women, and Persons with Disabilities Act and provisions of the Illinois Human Rights Act, design-build proposals may be evaluated to determine if the proposals meet the county's contracting goals for the county's program for disadvantaged business enterprises based on the county's most recent, legally defensible disparity study.