Technical Booklet H Stairs Ramps Guarding and Protection from Impact·Page 18·2.12
Tactile warning surfaces on intermediate landings
Where access to an intermediate landing is provided from a source other than the complementary steps, a 400 mm deep tactile corduroy surface must be provided.
Where there is access onto any intermediate landing from other than the complementary steps, a tactile corduroy surface 400 mm deep should be provided in accordance with Diagram 2.3 (b) or (c).
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