CITB Specialists Demolition Safety

Question 1

Before any demolition work begins on a structure, what must a specialist demolition contractor produce under UK regulations?

Accepted Answer

A written demolition method statement based on a structural survey

Answer

A verbal plan discussed with the site foreman

Answer

A list of available machinery

Answer

An insurance certificate only

Question 2

When demolishing a building that may contain asbestos, what must a specialist contractor do before any physical demolition work starts?

Accepted Answer

Commission a Refurbishment and Demolition Asbestos Survey (Type 3) before work begins

Answer

Proceed with demolition and deal with asbestos if found

Answer

Wear dust masks and carry on

Answer

Only check areas that are visibly damaged

Question 3

What is the primary purpose of establishing an exclusion zone during specialist demolition operations?

Accepted Answer

To protect the public and workers from falling debris, dust, and structural collapse

Answer

To prevent theft of materials

Answer

To provide parking for demolition vehicles

Answer

To store salvaged materials

Question 4

During the deliberate collapse of a structure using pre-weakening techniques, who must be in overall control of the operation?

Accepted Answer

A competent person appointed specifically to control the demolition sequence

Answer

The crane operator

Answer

The most experienced labourer on site

Answer

The client's representative

Question 5

What is the correct approach to managing services (gas, electric, water) before specialist demolition of a building?

Accepted Answer

Confirm disconnection with each utility provider and obtain written confirmation before work starts

Answer

Turn off at the mains and begin work

Answer

Cap the services at the boundary and begin work

Answer

Only disconnect electricity; gas and water are not hazardous

Question 6

A specialist demolition supervisor notices that an adjacent occupied building shares a party wall with the structure being demolished. What additional measures are required?

Accepted Answer

A structural assessment of the party wall, temporary support measures, and a monitoring programme

Answer

No additional measures if the demolition method statement has been approved

Answer

Simply informing the neighbours by letter

Answer

Demolishing the party wall first to speed up the process