Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 17·2.6
Complementary steps - rise and going dimensions
Steps must have uniform rise between 150-170 mm and uniform going between 280-425 mm.
Steps should have a uniform –
(a) rise of not less than 150 mm and not more than 170 mm; and
(b) going of not less than 280 mm and not more than 425 mm.
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