A heavy equipment operator was killed in an explosion when he hit a natural gas pipeline with a piece of heavy machinery. Four other workers were severely burned. The operator was digging a drainage trench near a natural gas pipeline. An advisor from the gas pipeline company was on the scene to locate and stake two buried pipelines. He had staked one line, which he thought was the north line. Stakes were then placed at a certain distance from this line indicating what was supposed to be a safety margin for excavating. Actually, the line he located was the south line, […]