reg 4B Offshore installations
(1) In these Regulations, “offshore installation” means an installation or structure, other than a ship, situated in the waters of, or on or under the seabed in, the marine area and used for carrying on any of the following activities— (a) the exploitation, or the exploration with a view to exploitation, of mineral resources in or under the shore or bed of waters in the marine area; (b) the exploration of a place in, under or over such waters with a view to the storage of gas; (c) the conversion of a place under the shore or bed of such waters for the purpose of storing gas; (d) the storage of gas in, under or over such waters or the recovery of gas so stored; (e) the unloading of gas at a place in, under or over such waters; (f) the conveyance of things by means of a pipe, or system of pipes, constructed or placed on, in or under the shore or bed of such waters; (g) the provision of accommodation for persons who work on or from an installation which is or has been maintained, or is intended to be established, for the carrying on of an activity in this paragraph. (2) In paragraph (1)— (a) “gas” means— (i) gas as defined in section 2(4) of the Energy Act 2008 , or (ii) carbon dioxide; (b) “installation” includes an installation as defined in section 16 of the Energy Act 2008; (c) “ship” includes a hovercraft, submersible craft and any other floating craft but not a vessel which— (i) permanently rests on or is permanently attached to the seabed, or (ii) is an installation as defined in section 16 of the Energy Act 2008; (d) references to storing gas include storing gas with a view to its permanent disposal.