Paragraph 10 I1

If at any time during or after the completion of a specified work, Canal & River Trust gives notice to the undertaker informing it that the state of maintenance of any part of the specified work appears to be such as adversely affects the operation of the waterway, the undertaker must, on receipt of such notice, take such steps as may be reasonably necessary to put that specified work in such state of maintenance as not adversely to affect the operation of the waterway.