Drainage power point 1 2025

Which part of the Building Regulations covers drainage and waste disposal?

• Part G

• Part H

• Part N

• Part F

Which part of the Building Regulations covers sanitation, hot water safety, and water efficiency?

• Part H

• Part G

• Part N

• Part F

Which standard covers gravity drainage systems inside buildings?

• BS 6465

• BS EN 12056

• ISO 9001

• BS 7671

According to the slide on Legislation and standards, what does BS 8000: pt 13 refer to?

• Good workmanship

• Safety regulations

• Environmental standards

• Product labeling

What is the function of the vent pipe in a primary ventilated soil stack?

• To carry waste water

• To allow air to enter the system to operate at atmospheric pressure

• To remove foul air from the dwelling

• To increase water pressure

All systems must comply with which standards that cover design, installation, testing, and maintenance?

• Part H and BS EN 12056

• Part K and BS EN 13056

• Part M and BS EN 11056

• Part P and BS EN 14056

The pipe that connects the appliance trap to the soil stack is called a ______.

• discharge branch pipe

• vent pipe

• riser pipe

• waste stack

The depth of water seal in a trap shall be no less than _______.

• 50mm

• 25mm

• 75mm

• 100mm

The waste pipe diameter and gradient must maintain a trap seal depth of at least _______ after an appliance has been used.

• 25mm

• 10mm

• 50mm

• 5mm

What type of plumbing system is shown in the diagram?

• Secondary ventilated stack

• Primary ventilated stack

• Combined system

• Separate system