69.—(1) Subject to the following provisions of this paragraph, the undertaker must repay to CATS the reasonable expenses incurred by them in, or in connection with, the inspection, removal, alteration or protection of any CATS pipeline which may be required in consequence of the execution of any such works referred to or approved under this Part, including without limitation—
(a)authorisation of works details in accordance with paragraphs 60 to 63;
(b)the engagement of an engineer and their observation of the authorised works affecting the CATS pipelines and the provision of safety advice in accordance with the CATS requirements; and
(c)any reasonable costs incurred by CATS in engaging and retaining such external experts, consultants and contractors as may be reasonably necessary.
(2) Prior to incurring any fees, costs, charges or expenses associated with the activities outlined in sub-paragraph (1), CATS must give prior written notice to the undertaker of the activity or activities to be undertaken and an estimate of the fees, costs, charges or expenses to be incurred.
(3) Any fees, costs, charges and expenses reasonably incurred by the operating partner of the CATS pipeline (who for the time being is Wood Group UK Limited) shall not be notifiable costs in terms of paragraph (2).