Notwithstanding the provisions of RCW
49.28.010 through
49.28.060, a contractor or subcontractor in any public works contract subject to those provisions may enter into an agreement with his or her employees in which the employees work up to ten hours in a calendar day. No such agreement may provide that the employees work ten-hour days for more than four calendar days a week. Any such agreement is subject to approval by the employees. The overtime provisions of *RCW
49.28.020 shall not apply to the hours, up to forty hours per week, worked pursuant to agreements entered into under this section.