13.—(1) The Trustees may take such steps from time to time as they consider necessary or expedient for the improvement, maintenance and management of the harbour and the accommodation and facilities afforded in or connected with the harbour.
(2) For those purposes, and without affecting the generality of paragraph (1), the Trustees may—
(a)improve, maintain, regulate, manage, mark and light the harbour and provide harbour facilities in the harbour (including facilities for the supply by the Trustees of fuel for vessels),
(b)construct, reconstruct, extend, enlarge, alter, replace, relay or demolish structures and works in the harbour,
(c)subscribe for or acquire shares or securities of any body corporate,
(d)maintain such reserve funds as they think fit,
(e)invest any sums not immediately required for the purposes of the harbour,
(f)turn their resources to account so far as not required for those purposes, and
(g)do all other things which in their opinion are necessary or expedient to facilitate the proper carrying on or development of the harbour.
(3) This article does not affect any powers of the Trustees under or by virtue of any other enactment (including this Order).