Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 39·4.22
Headroom clearance over ramps and landings
Ramps and associated landings must provide a minimum clear headroom of 2000 mm measured vertically from the slope of the ramp and the level of the landing.
Ramps and associated landings should have a clear headroom of not less than 2000 mm over the length and width of the ramp.
Headroom is measured vertically from the slope of the ramp and the level of the landing. See Diagram 4.1.
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