§ 33. Acceptance of work. Upon the completion of the improvement, maintenance or repair of any part of the canal system under a contract let, as provided in this article, the corporation shall cause the same to be inspected, and upon the filing in the office of the corporation of a certificate stating that the work has been well and faithfully performed, in accordance with the terms of the contract, and all legal modifications thereof, the work shall be deemed accepted and certificates for final payment on the contract executed.