Paragraph 15
The undertaker shall within 30 days of notice in writing to do so repay to the relevant oil company all reasonable costs, charges and expenses properly incurred by the relevant oil company (including Value Added Tax thereon in so far as the same is not recoverable by the relevant oil company) in connection with—
(a)
the services of the Surveyor under paragraph 12(2) above;
(b)
the services of architects, surveyors, engineers and other technical advisers to whom the Surveyor finds it reasonably necessary to refer in connection with this Part of this Schedule.