Sanitation Systems QuizL3P2U,1.2.9

What is the most common soil and vent stack in use in the UK?

• Ventilated Branch Discharge Stack

• Stub Stack

• Primary Ventilated Stack

• Secondary Ventilated Stack

Which system is used in high rise buildings to prevent pressure fluctuations within the pipework?

• Stub Stack

• Ventilated Branch Discharge Stack

• Secondary Ventilated Stack

• Primary Ventilated Stack

In which situation is the Ventilated Branch Discharge stack used?

• When a small group of appliances is to be connected directly to a drain

• When the maximum lengths of the waste pipes of the Primary Ventilated Stack may be exceeded

• When the appliances are closely grouped around the stack

• When there are strict rules surrounding stub stacks

What is the minimum size of ventilating pipe to any single appliance?

• 32mm

• 25mm

• 15mm

• 45mm

When should a Stub Stack be used?

• When there are other stacks directly ventilated to air

• When the appliances are further away from the soil stack

• When the connection from the invert of the drain to the connection to the highest appliance exceeds 2m

• When the main discharge stack is large enough to limit pressure fluctuations

According to Design Recommendations for Discharge Stacks, what should be the minimum radius bend at the foot of any discharge stack?

• 250mm radius

• 200mm radius

• 150mm radius

• 100mm radius

What is the recommended minimum diameter of the main ventilation stack?

• 60mm

• 50mm

• 70mm

• 75mm

According to Rule 5 of Design Recommendations for Discharge Stacks, what should the diameter of the stack comply with?

• Table 4 of section of AD H1 of the Building Regulations (2013)

• Table 3 of section of AD H1 of the Building Regulations (2013)

• Table 2 of section of AD H1 of the Building Regulations (2013)

• Table 1 of section of AD H1 of the Building Regulations (2013)

What should be the internal diameter of the stack according to Rule 7 of Design Recommendations for Discharge Stacks?

• Less than that of the largest trap or discharge pipe

• Equal to that of the largest trap or discharge pipe

• Greater than that of the largest trap or discharge pipe

• Twice the size of the largest trap or discharge pipe

According to Rule 8 of Design Recommendations for Discharge Stacks, where should the access points for clearing blockages be located?

• Below the spill over level of the appliance

• At the same level as the spill over level of the appliance

• Above the spill over level of the appliance

• At the foot of the discharge stack