3.—(1) These Regulations apply to every workplace but shall not apply to—
(a)a workplace which is or is in or on a ship within the meaning assigned to that word by regulation 2(1) of the Docks Regulations 1988(1);
(b)a workplace where the only activities being undertaken are building operations or works of engineering construction within, in either case, section 176 of the Factories Act 1961(2) and activities for the purpose of or in connection with the first-mentioned activities;
(c)a workplace where the only activities being undertaken are the exploration for or extraction of mineral resources; or
(d)a workplace which is situated in the immediate vicinity of another workplace or intended workplace where exploration for or extraction of mineral resources is being or will be undertaken, and where the only activities being undertaken are activities preparatory to, for the purposes of, or in connection with such exploration for or extraction of mineral resources at that other workplace.
(2) In their application to temporary work sites, any requirement to ensure a workplace complies with any of regulations 20 to 25 shall have effect as a requirement to so ensure so far as is reasonably practicable.
(3) As respects any workplace which is or is in or on an aircraft, locomotive or rolling stock, trailer or semi-trailer used as a means of transport or a vehicle for which a licence is in force under the Vehicles (Excise) Act 1971(3) or a vehicle exempted from duty under that Act—
(a)regulations 5 to 12 and 14 to 25 shall not apply to any such workplace; and
(b)regulation 13 shall apply to any such workplace only when the aircraft, locomotive or rolling stock, trailer or semi-trailer or vehicle is stationary inside a workplace and, in the case of a vehicle for which a licence is in force under the Vehicles (Excise) Act 1971, is not on a public road.
(4) As respects any workplace which is in fields, woods or other land forming part of an agricultural or forestry undertaking but which is not inside a building and is situated away from the undertaking’s main buildings—
(a)regulations 5 to 19 and 23 to 25 shall not apply to any such workplace; and
(b)any requirement to ensure that any such workplace complies with any of regulations 20 to 22 shall have effect as a requirement to so ensure so far as is reasonably practicable.