Question 1

What is the main advantage of a rigid rail (vertical lifeline) climbing system fitted permanently to a mast or ladder, compared with an improvised harness/lanyard arrangement?

Accepted Answer

It provides continuous, engineered fall-arrest protection that automatically follows the climber up or down without needing repeated manual reconnection at each level A permanently fitted rigid rail with a sliding traveller (e.g. EN 353-1 type systems used on masts) removes the unprotected moments that occur with twin-lanyard reconnection at each anchor point during a long climb.

Question 2

A worker is rigged with a fall-arrest lanyard anchored to a point about 3 metres to the side of where they will actually be working on a funnel platform. What hazard does this anchor positioning introduce, and what should be done?

Accepted Answer

This creates a swing fall hazard; the anchor should be repositioned more directly above the work area, or the risk assessment should specifically address the swing radius and any structure the worker could strike An anchor offset to the side turns a vertical fall into a pendulum swing — the worker could be seriously injured striking the funnel structure itself during the arc of the fall, even though the fall is technically 'arrested'.

Question 3

A contractor wants to walk across a row of deck skylights to reach an antenna for maintenance, stating they've 'done it plenty of times before with no problem'. What is the correct response?

Accepted Answer

Deny direct access across the skylights; treat them as a fragile surface requiring fall-arrest protection, physical covers, or a controlled route around them, regardless of past experience Past success walking on a fragile surface says nothing about its current condition — degradation is often invisible until the point of failure, so 'I've done it before' is exactly the kind of normalisation of risk that precedes a fragile-surface fall.