Historical
BS 5395-3:1985
Stairs, ladders and walkways. Code of practice for the design of industrial type stairs, permanent ladders and walkways (British Standard)
Covers factors affecting choice of means of access or escape, structural materials, dimensions, safety equipment, platform and walkway floor loads. Refers to BS 5395 Parts 1 and 2 for general design of stairs and to BS 6180 for general design of protective barriers.
British Standards Institution [bsi]