NEBOSH CC Working at Height in Construction

Question 1

Under the Work at Height Regulations 2005, what is the first step in the hierarchy for managing the risk of working at height?

Accepted Answer

Avoid work at height where it is reasonably practicable to do so

Answer

Use collective fall prevention measures such as guardrails

Answer

Use personal fall protection equipment such as harnesses

Answer

Minimise the distance and consequences of a fall

Question 2

How often must a scaffold be inspected under the Work at Height Regulations 2005?

Accepted Answer

Before first use, at intervals not exceeding 7 days, and after any event likely to affect stability

Answer

Monthly

Answer

Every 14 days

Answer

Only before first use

Question 3

What is the minimum guardrail height required on a scaffold working platform?

Accepted Answer

950 mm above the working platform

Answer

750 mm above the working platform

Answer

1100 mm above the working platform

Answer

500 mm above the working platform

Question 4

A worker needs to access a roof to carry out a brief inspection lasting approximately 15 minutes. What is the most appropriate form of access?

Accepted Answer

A mobile elevated work platform (MEWP) providing edge protection at roof level

Answer

An unsecured ladder leaning against the gutter

Answer

Climbing up the scaffolding poles

Answer

Using a rope thrown over the ridge

Question 5

What is a 'fragile surface' as defined in the Work at Height Regulations 2005, and why is it significant?

Accepted Answer

A surface that would be liable to break if a person's weight were applied, requiring specific precautions to prevent falls through it

Answer

Any surface above 2 metres

Answer

A surface that has been damaged by weather

Answer

A newly painted surface that is still wet

Question 6

When using a safety harness as personal fall protection on a construction site, what is the critical importance of calculating the total fall distance?

Accepted Answer

To ensure there is sufficient clearance below the working position to arrest the fall before the worker strikes a lower level

Answer

To determine the correct harness size

Answer

To calculate the worker's insurance premium

Answer

To decide whether a helmet is also needed