Unit 209: Drainage systems - Outcome 4 (part 1)

Multiple Choice

Which of the following standards specifically addresses gravity drainage systems inside buildings?

• BS EN 12056: pt 1-5

• Building regulations part H

• Manufacturer’s Instructions

• BS EN 13056: pt 1-5

Open Ended

Why is it important to follow legislation and standards when installing above ground drainage systems?

Multiple Choice

Which part of the rainwater system is responsible for collecting water from the roof and directing it to the downpipe?

• Gutter

• Soffit

• Box end

• Facia

Open Ended

Name two main purposes of a rainwater system as described in the slides.

Multiple Select

The rainwater system must be designed to avoid which of the following?

• Creating a nuisance for the occupier

• Damaging the property

• Damaging the adjacent property

• Increasing water pressure

Multiple Choice

Which of the following is NOT a method for disposing of rainwater from a property?

• Surface water drain

• Combined sewer

• Rainwater harvesting

• Central heating system

Open Ended

Explain how rainwater harvesting can benefit a household and describe the basic process as shown in the diagram.

Multiple Choice

Which of the following factors must be considered when installing a rainwater system to ensure it can cope with the expected flow of rainwater?

• Rainfall intensity, roof area, and position and number of outlets

• Type of roofing material and color

• Age of the building and number of floors

• Distance from the nearest river

Multiple Choice

Based on the rainfall map, which county in England receives the highest total rainfall per year, and how does this compare to Essex and Kent?

• Cumbria receives the highest rainfall, while Essex and Kent receive considerably less.

• Kent receives the highest rainfall, while Cumbria receives less.

• Essex receives the highest rainfall, while Cumbria and Kent receive less.

• All counties receive the same amount of rainfall.

Open Ended

How do legislation and standards impact the installation and testing of above ground drainage systems?

Multiple Choice

Which regulation specifically covers drainage and waste disposal in buildings?

• Building regulations part H

• BS EN 12056: pt 1-5

• Manufacturer’s Instructions

• Building regulations part G