xmlns:atom="http://www.w3.org/2005/Atom"
17. Any additional expenses which BW may reasonably incur in altering, reconstructing or maintaining a waterway under any powers existing at the making of this Order by reason of the existence of a specified work shall, provided that 56 days' previous notice of the commencement of such alteration, reconstruction or maintenance has been given to the undertaker, be repaid by the undertaker to BW.