(1) Where:
(a) a sea installation is in, or is brought into, physical contact with another sea installation installed in an adjacent area; and
(b) the contact is not for the purpose of work on that other installation;
the first - mentioned installation shall be taken to be part of that other installation.
(2) For the purposes of this Act, a structure, other than a sea installation, attached to a sea installation shall be taken to be part of that installation.