(See Note A-9.8.3.3.)
(1)
Except as provided in Sentences (2) to (3.1), all guards shall be not less than 1 070 mm high.
(2)
All guards within dwelling units or within houses with a secondary suite including their common spaces shall be not less than 900 mm high.
(3)
Exterior guards serving not more than one dwelling unit or a house with a secondary suite including their common spaces shall be not less than 900 mm high where the walking surface served by the guard is not more than 1 800 mm above the finished ground level.
(3.1)
The height of guards for exterior stairs and landings more than 10 m above adjacent ground level shall be not less than 1 500 mm.
(4)
The height of guards for flights of steps shall be measured vertically from the top of the guard to a line drawn through the tread nosing served by the guard.