The lowest connection to the soil stack on ‘low-rise’ buildings (two storeys) is _______mm from the drain invert level.

Mathematical Equivalence

ON

The connection to the soil stack on ‘multi-storey’ buildings (more than two storeys) is _______mm from the drain invert level.

Mathematical Equivalence

ON

State the maximum length of a 32mm waste pipe outlet from a washbasin with no bends that connect to a primary ventilated stack.

Which part of the Building Regulations deals with foul water drainage?

What type of traps are most suitable for appliances connected to a primary ventilated soil stack?

Can the waste pipe diameter be reduced at the outlet of a trap?

Name the British Standard for gravity drainage systems inside buildings

What type of bends should be avoided at the base of a soil stack?

What is AAV an acronym for?

• air attenuation void

• air admittance valve
• air acceptance valve

• air assist valve

Stub stacks are only allowed to be installed where they are connected to a ventilated discharge stack or drain within ____ metres of the base of the stack.

Mathematical Equivalence

ON