Abstract: At 10:15 a.m. on December 5, 2013, Employee #1 and Employee #2 were inside of an excavation that was 8 to 10 feet deep. Employee #1 was digging dirt from around the east side of a water main that had been broken earlier in the day. Employee #2 was on the west side of the water main using a chop saw to cut out part of the broken pipe. After working to clear around and cut the broken water main, on the south wall of the excavation caved in on the two employees. Employee #1 was completely buried and killed. Employee #2 was struck in the back and side by the falling dirt wall, and suffered nine fractured ribs and lower back injury.