(1) In this Part:
"access" and "egress" include ascent and descent;
"fragile surface" means a surface, including fittings, that would be liable to fail if a person's weight were to be applied to it in reasonably foreseeable circumstances;
"ladder" includes a fixed ladder and a stepladder;
"line" includes rope, chain or webbing;
"personal fall protection system" means - (a) a fall prevention, work restraint, work positioning, fall arrest or rescue system, other than a system in which the only safeguards are collective safeguards, or (b) rope access and positioning techniques;
"scaffold" means any temporary structure, including its supporting components, whether fixed, suspended or mobile, that is used - (a) for supporting employees and materials, or (b) to gain access to any structure, and includes a working platform, a working stage, a gangway, a run and a ladder or step-ladder (other than an independent ladder or step-ladder that does not form part of such a structure),
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