6.—(1) The prescribed provisions of the 1974 Act shall apply within the territorial sea or a designated area to and in relation to—
(a)any pipeline;
(b)any pipeline works;
(c)the following activities in connection with pipeline works—
(i)the loading, unloading, fuelling or provisioning of a vessel;
(ii)the loading, unloading, fuelling, repair and maintenance of an aircraft in a vessel, being in either case a vessel which is engaged in pipeline works.
(2) In this article—
“pipeline” means a pipe or system of pipes for the conveyance of any thing, together with—
any apparatus for inducing or facilitating the flow of any thing through, or through part of, the pipe or system;
any apparatus for treating or cooling any thing which is to flow through, or through part of, the pipe or system;
valves, valve chambers and similar works which are annexed to, or incorporated in the course of, the pipe or system;
apparatus for supplying energy for the operation of any such apparatus or works as are mentioned in the preceding paragraphs;
apparatus for the transmission of information for the operation of the pipe or system;
apparatus for the cathodic protection of the pipe or system; and
a structure used or to be used solely for the support of a part of the pipe or system;
but not including a pipeline of which no initial or terminal point is situated in the United Kingdom, within the territorial sea adjacent to the United Kingdom, or within a designated area;
“pipeline works” means—
assembling or placing a pipeline or length of pipeline including the provision of internal or external protection for it;
inspecting, testing, maintaining, adjusting, repairing, altering or renewing a pipeline or length of pipeline;
changing the position of or dismantling or removing a pipeline or length of pipeline;
opening the bed of the sea for the purposes of the works mentioned in sub-paragraphs (a) to (c) of this definition, and tunnelling or boring for those purposes;
any activities incidental to the activities described in sub-paragraphs (a) to (d) of this definition;
a diving project in connection with any of the works mentioned in sub-paragraphs (a) to (e) of this definition or for the purpose of determining whether a place is suitable as part of the site of a proposed pipeline and the carrying out of surveying operations for settling the route of a proposed pipeline.