17.—(1) Scottish Natural Heritage may from time to time, as may appear to them to be necessary or desirable for the purposes of the undertaking, deepen, widen, dredge, scour, cleanse, alter and improve the bed and foreshore of the harbour, and may blast any rock in that area.
(2) Subject to the provisions of article 33 (Crown rights) below, any materials (other than any wreck within the meaning of Part IX of the Act of 1995 taken up or collected in the course of such operations shall be the property of Scottish Natural Heritage and may be used, sold, removed deposited or otherwise disposed of as Scottish Natural Heritage may think fit.
(3) Subject to the provisions of this Order no materials so dredged shall be deposited below the level of mean high water except in such places and in accordance with such conditions and restrictions as may be approved or prescribed by the Scottish Ministers.