CITB Working at Height 3

Question 1

What checks should be made on a safety harness before each use?

Accepted Answer

Inspect webbing for cuts and chemical damage; check buckles, D-rings, and stitching; ensure correct fit for the user

Answer

Confirm it has a valid LOLER certificate only

Answer

Ensure it is the correct colour for the site

Answer

Check it was manufactured within the last 10 years

Question 2

What does 'suspension trauma' mean in the context of fall arrest?

Accepted Answer

A potentially fatal condition caused by immobility in a suspended harness after a fall, restricting blood flow to the heart

Answer

Psychological distress caused by working at height

Answer

Injuries caused by the harness tightening on impact

Answer

Trauma caused by fear of heights affecting work performance

Question 3

Is there a maximum height for working from a standard step ladder without additional edge protection?

Accepted Answer

There is no fixed maximum — the risk assessment determines suitability for each task

Answer

2 metres

Answer

4 metres

Answer

1.2 metres

Question 4

Under LOLER 1998, how often must harnesses used as work at height equipment be thoroughly examined?

Accepted Answer

At least every 6 months where used to lift people, every 12 months otherwise, and after any incident affecting integrity

Answer

Every 10 years by a competent person

Answer

Only if they show visible damage

Answer

Annually by the manufacturer

Question 5

Why is it important to calculate the free fall distance before using a fall arrest system?

Accepted Answer

To ensure sufficient clearance below the worker for the lanyard and shock absorber to fully deploy without hitting a lower level

Answer

To determine the correct lanyard colour to use

Answer

To comply with insurance policy requirements

Answer

To calculate the maximum permitted working speed

Question 6

Using a scaffold with guard rails rather than relying on a harness is an example of which level of the WAH hierarchy?

Accepted Answer

Preventing a fall through collective protection, which is a higher level of control than mitigating its consequences

Answer

Not required if the task is quick

Answer

Only relevant for work above 4 metres

Answer

A commercial decision, not a safety requirement