3. Plymouth Harbour, being the harbour comprising —
(a)“the piers” defined in section 26(1) (interpretation) of the Plymouth City Council Act 1987(1);
(b)in relation to any pier, the limits described in section 29 (limits) of that Act within which the powers of the pier master may be exercised; and
(c)the subsidiary works authorised by section 30 (subsidiary works) of that Act.