Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 21·Diagram 2.4
External step profiles
This diagram specifies the dimensional requirements for the rise and tread of external steps, with reference to paragraph 2.14 for additional guidance.
External step profiles showing minimum 60° angle with rise dimension 15–25 mm and tread dimension 15–25 mm. See para 2.14.
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