Employee 1 was working with two other employees to remove a pipe support. Employee 1 was holding one side of the pipe, employee 2 was holding the other, and employee 3 was cutting the support. Employee 1 was standing on the fourth step of a 6-foot A-frame ladder. When employee 3 cut the pipe support, employee 1 lost his balance and fell to the ground. Employee 1 was hospitalized with his left leg fractured below the knee.