Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 27·3.15
Common stair step construction in dwellings
Steps in common stairs of apartment blocks must have closed rises, distinguishable step nosings with contrasting brightness, and a suitable profile to reduce tripping risk.
A common stair in a block of dwellings should have steps with rises that are not open, step nosings which are distinguishable, through permanent contrasting brightness and have a suitable profile such that the risk of tripping is reduced. See Diagram 3.9 (b).
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