phase 1.1/2 Plumbing Rules Quiz

What is the minimum radius bend required at the foot of a discharge stack when connecting to a drain according to Rule 1?

• 100mm

• 150mm

• 200mm

• 250mm

According to Rule 1, is it acceptable to use two 45° bends at the foot of a discharge stack?

• Yes

• No

• Only with special permission

• Only if the radius is less than 100mm

According to Rule 2, what should be avoided in the wet part of the discharge stack?

• Offsets

• Branch connections

• Ventilation systems

• Separate stacks

What is required for buildings over 3 storeys in situations where Rule 2 is unavoidable?

• No branch connection within 750mm

• A separate ventilation stack connected above and below the offset

• A single ventilation stack

• Branch connections at every floor

For buildings up to 3 storeys, what is the requirement regarding branch connections when Rule 2 is unavoidable?

• Branch connection within 750mm of any offset

• No branch connection within 750mm of any offset

• Separate ventilation systems

• Offsets in every floor

What is the purpose of placing stacks above 3 storeys high inside the building, according to Rule 4?

• To enhance the aesthetic appeal of the building

• To prevent frost damage to the stack and any branch pipes

• To increase the structural integrity of the building

• To reduce the cost of construction

According to Rule 5, what should the stack comply with?

• The color requirements of the building

• The material specifications from the latest technology

• The minimum diameters recommended in table 3 of section of AD H1 of the Building Regulations (2013)

• The maximum height restrictions set by local laws

What is the maximum capacity in liters per second for a stack size of 90 mm?

• 1.2

• 3.4

• 5.3

• 7.2

According to the table, which stack size has a note indicating "No WCs installed"?

• 50 mm

• 65 mm

• 75 mm

• 100 mm

For WCs with outlets less than 80mm, what is the specified diameter of stack?

• 50mm

• 75mm

• 100mm

• 80mm