This topic will examine the terms and conditions, which fixed stairways, and platforms ar designed, fabricated and installed.
As with all steel structures, specifications have been developed to arrange the way in which these operations are carried out. Not unaccompanied do these documents set out the minimum specifications, they also synopsis testing and safety aspects.
Stairways, platforms and ladders: common terms
Above or below. The maximum number of rises in a straight flight
Must not be more than 18.
Nosing of one-step or tread to the nosing of the next.
referred to as the midrail.
Step ladder or landing; also referred to as a top rail.
is to prevent a person falling from the stairway.
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