The DOL is gathering data from employers on wages paid to construction workers from June 1, 2017 through May 31, 2018 in 46 North Carolina counties. Participation is voluntary, but the data will be used to establish updated prevailing wage rates for the Davis-Bacon Act.
See here for more information: https://www.lexology.com/library/detail.aspx?g=26a4524a-090d-453f-8806-953f4dc6e605