Drainage Quiz 2

What is the name of the gutter bracket shown

• a) Fascia bracket.
• b) Rafter bracket.
• c) Spacer bracket.
• d) Drive-in bracket.

The sanitary pipe work system component shown is used for making a connection between which one of the following?

• a) A plastic soil pipe and a cast iron socket.
• b) A plastic soil pipe and a plastic socket.
• c) A plastic soil pipe and a copper drain socket.
• d) Two plastic soil pipe ends forming a socket.

What is the purpose of the rainwater fitting shown ,To

• a) make an angled connection between two rainwater pipes
• b) discharge rainwater into a gully
• c) connect a length of rainwater pipe to a drain pipe
• d) connect the gutter to the rainwater pipe

If a 12 m length of plastic gutter is laid to a fall of 1 in 600, what is the vertical drop between the gutter start and finish points?

• a) 10 mm.
• b) 20 mm.
• c) 30 mm.
• d) 50 mm.

A below ground drainage system designed to receive both foul and surface water is said to be a

• a) combined system
• b) separate system
• c) partially separate system
• d) unvented system.

Which British Standard lays down the installation requirements for gravity rainwater systems?

• a) BS 5449.
• b) BS 6700.
• c) BS EN 12056.
• d) BS EN 12588

What is the minimum recommended depth of trap seal for a basin with pipe work connecting to a discharge stack?

• a) 19 mm.
• b) 38 mm.
• c) 50 mm.
• d) 75 mm.

A waste pipe must not connect to a soil stack in a property up to three storeys high within what distance of the invert level of the drain?

• A) 150mm
• B) 250mm
• C) 450mm
• D) 600mm

A stack vent must rise to a height of 900 mm above an opening into a building when it terminates within what distance of that opening?

• a) 1000 mm.
• b) 2000 mm.
• c) 2500 mm.
• d) 3000 mm.

What is the minimum size of stack vent (dry portion of a soil stack) for a 2 storey property?

• a) 50 mm.
• b) 75 mm.
• c) 100 mm.
• d) 150 mm.