(1) In order to be eligible for the award of any state contract for the construction or improvement of any public property or publicly owned buildings, contractors shall meet the following requirements:
(a)  Provide a drug-free workplace program that complies with the provisions of this chapter and as otherwise constitutionally permitted for employees, including temporary employees, and maintain such program throughout the duration of the contract;
(b)  Subcontract work under state construction contracts only to those subcontractors meeting the requirements of subsection (1)(a) of this section.
(2)  Any contractor submitting a bid for a state construction contract, required to comply with the provisions of this section, shall submit an affidavit along with its bid on the project verifying its compliance with the provisions of this section.