The department's authority to use the CM/GC method as provided in this part is subject to the following limitations:
(1) If a proposed CM/GC contract has a total estimated contract amount in excess of seventy million dollars ($70,000,000), then the department shall specifically identify the project as a proposed CM/GC project in the transportation improvement program submitted annually to the general assembly in support of the commissioner's annual funding recommendations; and
(2) The cumulative cost of the CM/GC projects awarded in any single fiscal year must not exceed twenty-five percent (25%) of the total amount of construction contract awards made in the previous fiscal year, except as the general assembly may otherwise approve in accordance with the annual appropriations act.