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Thread: Roof water to Storage tank
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22nd July 2010, 09:30 AM #1
Roof water to Storage tank
G'day all
I am connecting all the gutters from my roof into a water tank, with One PVC pipe collecting water from 46 square meters of roof another PVC pipe will collect from 76 square metres of roof. Annual rainfall is around 800 mm in a good year. Does anyone know how to calculate the size the pipes should be, or is there some standard that would stipulate the size.
Regards
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