Paragraph 44 I1

obtain the approval of the Board to the commencement and duration of the temporary operations;

ensure that the drainage of any other person is not materially affected by the temporary operations;

construct the dams in such a manner that they can be removed without delay in the event that water levels rise to an unacceptably high level or the over-pumping apparatus provided by the undertaker is unable to cope with the flow of water; and

remove the dams as soon as reasonably possible following completion of the relevant part of the specified works and restore the areas where the dams were positioned to their previous condition.