Regulation 2 Meaning of “enclosed” and “substantially enclosed” premisesI1

For the purposes of section 2 of the Act, premises are enclosed if they have a ceiling or roof and, except for doors, windows and passageways, they are wholly enclosed either permanently or temporarily.

For the purposes of section 2 of the Act, premises are substantially enclosed if they have a ceiling or roof and any openings in the walls have a total area which is less than half of the area of the walls, including other structures which serve the purpose of walls.

In determining the area of openings for the purposes of paragraph (2), no account is to be taken of openings in which there are doors, windows or other fittings which can be opened or shut.

In this regulation “roof” includes any fixed or moveable structure or device.