urgently!!!

3. We want to pump water from a large reservoir through a packed tower at a rate of 1.15m3/min. Water enters the tower from the bottom and leaves at the top as shown in figure and the top of the tower is open to the atmosphere. The pipeline consists of 30m of 3in. sch. 40 commercial steel pipe with three 90 oelbows and two fully open gate valves installed on it. The diameter and height of packing are 0.91m and 4.6m respectively. The packing material consist of spherical ceramics of 2.5cm diameter. Specific gravity of ceramic is 2.5. Porosity of packed bed is 0.4 . Calculate the total friction loss from point " 1 " to " 2