Dear sir,
We have formed a society consisting of 40 houses of three bed rooms. I would like to know the minimum capacity of over head water tank and the height of the water tank to discharge of water by gravitational flow and also capacity of pump required to lift the water to tank, Please give details of calculation. Also what the size of pipes required.
Note - The water tank are to be fed through deep well boring and used to service all the needs of the residents. If possible send layout drawing.

Thanks