WorksheetsRainwater System Components
Total questions: 12
Worksheet time: 36mins
According to BS EN 12056-3:2000, how is rainfall intensity measured?
What is the British Standard for PVCu eaves, gutterings and fittings?
How would an increase in roof angle affect a gutter size?
Use the BS EN 12056 method to calculate the roof area of 10 metres in length, 7 metres wide and 2.5 metres high, with a roof pitch of 45⁰.
Use the alternative method identified in Part H of Building Regulations to calculate a roof 7 metres long and 5.5 metres wide, with a pitch of 30⁰. Then work out the half round gutter size from the Building Regulation Table 2, which shows gutter sizes and outlet sizes.
Calculate the elevation area of a roof 5.5 metres wide and 4.3 metres high, with a 78⁰ pitch.
When designing a new gutter system, where could you find information to help you specify the type of gutter capable of effectively discharging the water from the calculated roof area?
Why do many manufacturers recommend that gutters should be laid level?
How would a number of right angle bends affect the effective roof area of a building?
How full will a gutter be, when considered to be at capacity flow rate?
Which is the most efficient way to install rainwater outlets – at the end or in the centre?
What is the accepted fall of a gutter – and why?
