14.—(1) No stage of the authorised development may commence until a written scheme for the inspection and clearance of debris from any temporary watercourse required in connection with that stage has been submitted to and approved by the relevant planning authority, after consultation with the Environment Agency and the relevant drainage authority.
(2) The approved scheme must be implemented for each temporary watercourse during the construction of that stage of the authorised development until such time as the temporary watercourse has been removed.