(a) For any concession contract authorizing occupancy by the concessionaire of any portion of the state park system, the Division of Parks shall prepare an invitation to bid, which shall include a summary of the terms and conditions of the concession sufficient to enable persons, firms or corporations to bid solely on the basis of rates to be paid to the state. Bids will be made only on the basis of the invitation to bid.
(b) No concession may be awarded to any person, firm or corporation who or which has less than five years actual experience in the operation of a facility similar to the concession being considered for leasing.
(c) All concessionaires shall be fully responsible for the maintenance and upkeep of the state facility leased.