All public works contracts and the bid specifications for those contracts must contain:
(1) a provision stating for each job classification the standard prevailing wage rate, including fringe benefits, that the contractors and employers shall pay during construction of the project;
(2) a provision requiring each contractor and employer to maintain payroll records in a manner readily capable of being certified for submission under 18-2-423, for not less than 3 years after the contractor's or employer's completion of work on the project; and
(3) a provision requiring each contractor to post a statement of all wages and fringe benefits in compliance with 18-2-423.