You are required to build a gravity feed catchment. The water that flows to the tank is accessed from behind the tank You are required to cut a plateau for construction of the tank (100ft diameter, 15ft height), what is the volume of earth to be removed to create the plateau? An access road is needed to carry out maintenance, equipment and material to the tank, design the layout. What is the volume of earth to be removed for the access of the road? Part 2: The tank will be built from reinforced concrete of 4000psi strength, design the concrete strength. Part 3: Design a form work system for constructing the tank.