DG Exclusion Zones and Barricading 2

Question 1

When determining the size of an exclusion zone, which factor is the MOST critical consideration?

Accepted Answer

The potential swing radius and fall zone of the load

Answer

The colour of the slings being used

Answer

The time available to complete the lift

Answer

The cost of setting up barriers

Question 2

When performing a lift near a live road or public area, what additional control measure is typically required beyond standard exclusion zones?

Accepted Answer

Obtaining a permit and implementing traffic management measures

Answer

Painting the load a bright, visible colour

Answer

Notifying the local council the day after the lift

Answer

Reducing the load weight by 50 per cent

Question 3

How must the exclusion zone be managed when a crane is slewing (rotating) with a suspended load?

Accepted Answer

The exclusion zone must encompass the entire slewing arc of the crane and load

Answer

The exclusion zone only covers the area directly under the load's start position

Answer

Workers may re-enter the zone during slewing to help guide the load

Answer

No exclusion zone is required during slewing if the load is below 3 metres

Question 4

What information about exclusion zones must be included in a formal lift plan?

Accepted Answer

Location, size, entry/exit points, and the responsible persons for the exclusion zone

Answer

Only the colour of the barricades used

Answer

The number of workers who helped set up the barriers

Answer

The time taken to establish the exclusion zone

Question 5

During a long-duration lift where a load is held suspended while work is performed underneath, what must the dogman ensure?

Accepted Answer

The exclusion zone must be maintained for the entire duration the load remains suspended

Answer

The exclusion zone can be removed once the load is stationary and stable

Answer

Workers may freely enter the zone after 30 minutes if the load has not moved

Answer

The exclusion zone only applies during the upward and downward travel of the load

Question 6

Which condition would require the dogman to INCREASE the size of an already established exclusion zone?

Accepted Answer

Wind speed increases significantly, affecting load stability and swing

Answer

The dogman takes a short scheduled break

Answer

The load is lowered to within 1 metre of the ground

Answer

A second dogman joins the operation to assist

Question 7

A dogging operation is taking place adjacent to an occupied office building. What is the MOST important consideration for the exclusion zone?

Accepted Answer

The exclusion zone must protect both site workers and building occupants, potentially requiring additional controls

Answer

The exclusion zone only needs to cover the construction site side of the lift

Answer

Office buildings are exempt from exclusion zone requirements under WHS law

Answer

Workers inside the building do not need to be considered in the exclusion zone plan