![trenching2](https://img.equipmentworld.com/files/base/randallreilly/all/image/2014/04/eqw.trenching2.png?auto=format%2Ccompress&q=70&w=400)
The accident: Three workers were repairing a water main break in a 7-foot-deep, 5-foot-wide excavation. To expose the water main, one worker working with a shovel at the bottom of the trench undercut the roadway.
The accident: Three workers were repairing a water main break in a 7-foot-deep, 5-foot-wide excavation. To expose the water main, one worker working with a shovel at the bottom of the trench undercut the roadway.