Drainage power point 8 2025

What are the two important factors to consider with the roof area?

• The color of the roof and the material used

• The actual size of the roof area and the angle of the roof area

• The number of windows and the height of the building

• The location of the building and the number of floors

Fill in the blank: The two important factors to consider with the roof area are the actual size of the roof area and the ______ of the roof area.

• angle

• color

• material

• height

Which of the following roof angles is shown in the diagram?

• Under 30°

• 30° - 45°

• Over 45°

• All of the above

According to the passage, which two factors will affect the amount of rainwater collected and the velocity at which the water enters the guttering?

• A) Roof area and wind speed

• B) Roof area and velocity

• C) Roof area and the velocity at which the water enters the guttering

• D) Roof area and rainfall intensity

What do the letters H, W, and L represent in the context of the roof area?

• H = Height, W = Width, L = Length

• H = Height, W = Weight, L = Level

• H = Horizontal, W = Width, L = Level

• H = Height, W = Width, L = Level

Fill in the blank: One of the health and safety considerations is using the correct access equipment, such as ________ tower or mobile working platform.

• scaffold

• ladder

• crane

• hoist

Fill in the blank: One of the health and safety considerations is using the correct ________.

• PPE

• gloves

• tools

• shoes

Fill in the blank: One of the health and safety considerations is to follow the site ________ assessment.

• risk

• weather

• design

• budget

Fill in the blank: One of the health and safety considerations is to comply with the work at ________ regulation.

• height

• temperature

• speed

• pressure

What is a running outlet in a rainwater system?

• A type of pipe that stores water

• The connection between the gutter and the downpipe

• A filter for rainwater

• A cover for the gutter