Abstract: At approximately 10 a.m. on Thursday, October 18, 2012, Employee #1, a 32-year-old male steelworker with Campbell Certified Inc., was working at a jobsite in San Diego. Employee #1 was making connections of fifty steel ceiling joists onto a 12 in. by 20 ft. high concrete block wall. Employee #1 was standing on top of the wall. The crane operator, who was flying in the joists, moved the end of the steel joist too close, striking Employee #1 in the mid-section and caused him to lose his balance and fall. Employee #1 held onto the top of the block wall before losing his grip and falling approximately 20 ft. to the ground. Employee #1, was transported to Sharp Memorial Hospital, where he was hospitalized for more than 24 hours and received treatment multiple fractures to the left metacarpals in his foot. Employee #1 suffered multiple fractures to his foot and neck and back pain, and also later had surgery on his broken foot. The worksite, where the incident occurred, was a construction site that will be an automobile dealership. The employer was engaged in steel erection activities.