The Portland Harbour Revision Order 1997

3.—(1) Subject to sub-paragraph (2) below, no person shall swim underwater or dive within—

(a) 150 metres of the North-eastern Breakwater;

(b) 150 metres of the seaward side of the Northern Arm;

(c) 150 metres of the landward side of the Northern Arm between “C” Head and the Vernon Landing Stage; and

(d) the areas specified in sub-paragraphs 1(a) and 1(b) of paragraph 2 above.

(2) With the permission of the Company (which shall not be given without the written consent of the Secretary of State for Defence) a person may dive and swim underwater—

(a) from either side of the North-eastern Breakwater but remaining clear of the main fairways and not within 150 metres of the Distant Range Building; and

(b) from either side of the Northern Arm from “C” Head to a point 150 metres south-east of the Vernon Building, but remaining clear of the main fairway concerned.

(3) (a) Subject to sub-paragraph (b) below, the Company shall only give permission to dive and swim underwater for the purposes of sub-paragraph (2) above to a person who is a member of a club or association which is either a registered branch of the British Sub-Aqua Club, a registered club of the Sub-Aqua Association or a Professional Association of Diving Instructors registered diving school.

(b) Permission for the purposes of this paragraph may be given by the Company to a club or association mentioned in (a) above for the benefit of those of its members specified in the permission.

(4) Any permission given under this paragrpah to dive or swim underwater shall not authorise any person to land or set foot on the North-eastern Breakwater or the Northern Arm.