Site Safe Working at Heights NZ

Question 1

At what height does the NZ Best Practice Guidelines for Working at Heights generally apply?

Accepted Answer

Any height where a fall could result in injury, typically 3 metres or more but any height if there is a risk

Answer

While 3 metres is often used as a guide, the guidelines apply at any height where a fall could result in injury. Even a fall from a low height can cause serious harm depending on the circumstances.

Question 2

What is the preferred method of fall prevention under NZ guidelines?

Accepted Answer

Passive fall prevention systems such as guardrails and barriers

Answer

Passive fall prevention systems like guardrails and barriers are preferred because they protect all workers in the area without requiring individual action or training to be effective.

Question 3

What is a 'fall arrest system'?

Accepted Answer

A system that stops a person during a fall, such as a harness connected to an anchor point

Answer

A fall arrest system is designed to stop a person who is already falling. It typically consists of a full body harness, a lanyard with energy absorber, and a suitable anchor point.

Question 4

What must be considered when selecting an anchor point for a fall arrest system in NZ?

Accepted Answer

It must be capable of supporting at least 12 kN or be certified by a competent person

Answer

Anchor points must be capable of supporting the forces generated during fall arrest (at least 12 kN for a single person) or be certified as suitable by a competent person.

Question 5

What is 'free fall distance' in the context of fall arrest?

Accepted Answer

The distance a person falls before the fall arrest system begins to activate

Answer

Free fall distance is the vertical distance a person falls before the fall arrest equipment begins to take the load. Under NZ guidelines, this should not exceed 2 metres.

Site Safe Practice Test

Site Safe Practice Test

Site Safe Working at Heights NZ