7. The Company shall exercise jurisdiction as a harbour authority within the meaning of section 57 of the Harbours Act 1964, and the powers of the harbourmaster shall be exercisable within—
(a)the area lying below the level of high water and bounded by a line commencing at a point at NM 04194593 at the level of high water westwards of the existing pier and extending in an arc with a radius of 750 metres from the north eastern extremity of the pier head at a point at NM 04914570 and terminating southwards of the said pier at a point at NM 04734495 at the level of high water; and
(b)the pier premises.