DIN EN ISO 14122-3:2002-01

The document is the third part of a series of standards. The parts are: Part 1: Choice of a fixed means of access between two levels; Part 2: Working platforms and walkways; Part 3: Stairways, stepladders and guard-rails; Part 4: Fixed ladders. The document specifies safety requirements of stairways, stepladders, guard-rails and their verification. The following definitions are defined: 'stairways', 'stepladders', 'climbing height', 'flight', 'going', 'headroom', 'landing', 'walking line', 'pitch line', 'overlap', 'riser', 'step', 'step nosing', 'stringer', 'width', 'depth of step', 'clearance', 'guard-rail', 'handrail', 'kneerail', 'stanchion', 'self closing gate' and 'toe-plate'.