Pipes 1,2, and 3, having diameter of 6in, 8in and 10in is leading from reservoir A, B, and C, respectively join at a common point. All pipes are new cast iron (n=0.011) and each is 1000 ft long. If the water level in reservoir C is 6 ft higher than that in A and 16 ft higher than that in B, determine the discharge and direction of flow in pipe 1.