10. Without prejudice to the other provisions of this Schedule, the Agency shall be responsible for, and make good to A. B. Ports, all costs which may reasonably be incurred by or occasioned to A.B. Ports by reason of or arising from or in connection with—
(a)the carrying out of surveys, inspections, tests and sampling within and of the river (including the bed and banks of the river) where A.B. Ports has reasonable cause to believe that the construction of any of the tidal works or the exercise of the powers conferred by article 8 is causing or has caused any such accumulation or erosion;
(b)the surveillance, co-ordination and regulation of traffic within the Port of Ipswich which becomes reasonably necessary by reason of the exercise or the prospective exercise by the Agency of its powers to close the river or any part of the river to navigation under article 11 of this Order.