A local utility provider is investigating the purchase of private lake as depicted in the sketch below. They have a 50 HP pump that runs at 72% efficiency. The upper storage reservoir will be 2.89 feet deep & has a 1 acre surface area. Their operations require that the upper storage reservoir be filled in 48 hours. The list of minor losses and corresponding coefficients are provided below. The length is 9 miles. They will be using HDPE (CHW = 140). What size pipe (inches) should they use