9189 - Phase 2 - Unit 308 - Rainwater Systems

1. Which one of the following is a style of plastic guttering?

• Elsan
• Mansard
• Ogee
• Half channel

2. Which one of the factors listed needs to be considered before the installation of a rainfall system?

• The height and shape of the building
• The type of roof covering that the property has
• The roof area and direction of fall
• What type of drainage system the building is connected to

3. How can you check a gutter and downpipe for soundness and performance?

• Wait until it rains, then climb up to look
• Pour water into the gutter and inspect the system for ponding and leaks
• Ask the customer to let you know if they see any leaks
• Join the system together before installation and inspect for leaks

4. What is another term for the offset from a gutter to downpipe?

• Cranked turn
• Direco-change
• Goose neck
• Swan neck

5. What is a common downpipe diameter?

• 68mm
• 50mm
• 72mm
• 32mm

6. In a rainwater system, what is the normal ratio of fall for the gutter?

• 1:400
• 1:60
• 1:2,00
• 1:600

7. On domestic properties, what is the maximum distance at which the facia brackets should be apart?

• 1.25m
• 1,500mm
• 1,000mm
• 1.8m

8. Which one of the following is an advantage of plastic guttering systems?

• Flexible and low maintenance
• It only requires painting every two years
• Running outlet connections can be made on every elevation
• Expansion is taken up in caulked joints

9. Which of the following is a downpipe fitting?

• Slipper
• Boot
• Shoe
• Belt

10. When fitting plastic guttering, where is the allowance for expansion and contraction made?

• At the running outlet connections
• Every 10m where there is an expansion and contraction connection
• At the corner connections only
• In each of the fittings