Dear Kavindra, When you say ...

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Dear Kavindra,

When you say 500 m down, I take it as a level difference between source and point of delivery. The maximum pressure on pipe will be 50 kgf/sqcm. + the head due to frictional losses. You should have given the desired discharge (liters per second or so). We have designed many water supply schemes, highest with 200 + meters total head; but your case seems to be unique. For the desired 'low cost' solution, you should break the rising main in several stages. Please give the length of the pipeline, which should be more than 500 meters. You can further interact on east5star@gmail.com