![Trench_troubles_image](https://img.equipmentworld.com/files/base/randallreilly/all/image/2014/05/eqw.Trench_troubles_image.png?auto=format%2Ccompress&q=70&w=400)
The accident: A subcontractor was removing old gas, storm and sanitary sewer lines on a site to prepare for new utility lines. A laborer was working in an 8-foot-deep trench on the abandoned gas line, which was a 600-foot-long high pressure line with a 10-inch steel casing…