Design the first story shear wall for a three-story building with unfactored north-south lateral wind loads of 20 kips, 40 kips, 40 kips at the roof, third floor, and second floor, respectively. The floor-to floor height is 12 ft and all shear walls have equal thickness and an equal length of 15 ft. Assume normal-weight concrete; f′ c is 3000 psi and fy is 60,000 psi. Draw the detail of the shear wall reinforcement showing the required vertical end zone reinforcement and the distributed vertical and horizontal face reinforcement.