Problem:
An elevated open air water tank is used to supply water to a building located 5000 ft away. The water is carried through a 12 inch cast iron pipe with a flow rate of 1000 gpm. Required pressure of 30 psi is to be available on the second floor of the building which is at an elevation of 20ft above a reference datum. Water temperature is 70F.
Required:
Question: What is the required elevation of water in tank relative to the reference datum?
Note: Please explain comprehensively and give step by step solution.