Cavity Walling L2

What is the collective term given to all work carried out above ground level?

• Substructure

• Superstructure

• Above datum

• Foundations

What document is used on a plan or working set of drawings and provides detailed written information about the work being carried out?

• COSHH Statement

• Risk Assessment

• Method Statement

• Specification

What would be placed between the two leaves of blockwork in the substructure before backfilling takes place?

• Insulation

• Mortar

• Lean Mix Concrete

• Nothing

A strip foundation for a 300mm cavity wall is usually excavated to a width of:

• 400mm

• 500mm

• 600mm

• 900mm

What is the minimum distance a damp proof course should be positioned above ground level?

• 100mm

• 150mm

• 300mm

• 450mm

The three classifications of damp proof course are:

• Flexible, semi-flexible, rigid

• Brick, slate, plastic

• Flexible, semi-rigid, rigid

• horizontal, vertical, diagonal

What is the purpose of a core hole, as shown in the image?

• It allows air to ventilate the cavity

• It provides access to the concrete floor slab

• It allows for the cavity to be cleared of mortar droppings at the end of each day

• It is where air bricks will eventually be positioned

What is the minimum distance a wall tie should be bedded in to each leaf of a cavity wall?

• 25mm

• 50mm

• 75mm

• 100mm

What is the maximum horizontal distance wall ties should be positioned away from an opening or stopped end?

• 100mm

• 150mm

• 200mm

• 250mm

At an opening or stopped end, what is the maximum vertical distance wall ties should be spaced apart? (choose two answers)

• Every course of blocks

• Every 225mm

• Every two courses of blocks

• Every 450mm