Find the pump head needed to deliver water from the lower reservoir to the upper reservoir in Figure 6. 39 at a rate of 0. 3 m³/s. The suction pipe length, diameter, and roughness coefficient are 20 m, 200 mm, and 130, respectively. The discharge pipe length and diameter are 200 m and 300 mm and the Hazen–Williams roughness coefficient is 110. Minor head loss coefficients are given in Figure 6. 39.

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WL = 90 m 90 bend Slide valve, WL100 m, K = 8 90 bend Slide valve K = 10 K = 10 K = 0.5 Interance loss FIGURE 6.39 The reservoir system of Problem 8. Exit loss K, = 1