A pipe 100 mm dia and 1 km long is to carry water from a reservoir to a village of 1000 people consuming 200 l/person/day. The pipeline works 8 hrs daily. The losses in the pipe including friction has been calculated as 10 m. The pressure to be maintained in the outlet is 25 kN/m2. What should be the height of the top of the reservoir assuming both the village and reservoir are situated in a plain?