(1) Every exit-court shall have a hard, regular floor with a non-slip surface free from any projections which may cause stumbling, and any change in level in such floor shall be effected by means of a ramp or stair complying with the provisions of this Chapter.
(2) Every exit-court shall be at least 1,1 metres in width or not less than the width required by section 26, whichever is the greater, and its walls shall be free from columns, pipes or projections other than hand-rails:
Provided that the pipes of plumbing systems and similar projections may be—
a) Located in recesses formed in the walls of exit-courts and enclosed by smooth boarding or sheeting to a height of not less than 1,65 metres, so as to leave no projecting corners; or
b) Placed against the walls of such exit-courts and enclosed as described above, so as to leave a clear width of not less than that required.
(3) No door or window shall open into an exit-court so as to obstruct its width below a height of 2,1 metres above its floor.
(4) Every exit-court which is not bounded by walls shall, if the local authority so requires, be provided with parapets, balustrades, banisters or other approved protection against falling, constructed of non-combustible materials, and having a height of not less than 1,05 metres from the floor of such exit-court.