Paragraph 5

After the purpose of any temporary works has been accomplished, or after a reasonable period of notice in writing from the Commissioners requiring it so to do, the Council shall with all reasonable dispatch, remove any such temporary works or any materials relating thereto which may have been placed above or below the level of high water by or on behalf of the Council and, on its failing so to do within a reasonable period after receiving such notice, the Commissioners may remove the same and charge the Council with the reasonable expense of so doing, which expense the Council shall repay to the Commissioners.