It depends on the location, the amount of precipitation, material and form of the roof, etc.p. The calculation is made for the amount of funnels, the diameter of the pipeline and the volume of the sewer tray.
It depends on the location, the amount of precipitation, material and form of the roof, etc.p. The calculation is made for the amount of funnels, the diameter of the pipeline and the volume of the sewer tray.