The town of Eau Gaullie has requested proposals for a new coagulation water treatment plant. The design flow for the plant is 0.1065 m3/s. The average annual water temperature is 19ᵒC. The following design assumptions for a rapid-mix tank have been made: 1. Number of tanks = 1 (with 1 backup spare) 2. Tank configuration: circular with liquid depth = 2 * diameter 3. Detention time = 10 s 4. Velocity gradient = 800 s-1 5. Impeller type: turbine, 6 flat blades, Np = 5.7 6. Available impeller diameters: 0.45, 0.60, and 1.2 m 7. Assume B = H/3 Design the rapid-mix system by providing the following: 1. Water power input in KW 2. Tank dimensions in m 3. Diameter of the impeller 4. Rotational speed of impeller in rpm