True: Any rainwater system installed must be able to cope with the expected flow of rainwater for the area in which property is located., The design of a rainwater system will depend on the amount of rain that falls in that area., British Standards state that the gradient for a rainwater guttering system should be between 1–3mm per meter length of gutter., Most manufacturers recommend the ratio for a gutter fall to be 1:600., PVCu guttering expands in warmer weather., PVCu guttering can be affected by some paints., False: The main purpose of a rainwater system is to remove the rainwater from the property and dispose of it in the garden., The design of a rainwater system is not affected by the roof area of the building but only by the location of the downpipes., More rain tends to fall on the eastern side of the UK., Cast-iron gutters are very popular in new-build modern properties.,

7202 108 Above Ground Drainage

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