A plumbing contractor died when he was laying out a new sewer line connecting a building to a main sewer line in the street. The owner of a small plumbing company (the victim), and two employees were trying to make a measurement for hooking up the line. The victim entered a manhole that was two feet (0.6 meters) in diameter and 15 feet (4.6 meters) deep, descending the fixed ladder. He complained of a strong odor, and passed out. The workers tried to rescue him but became dizzy and exited the manhole. Several rescue attempts delayed the notification of rescue personnel. Neither […]