Heavy loads: Soil exerts tremendous pressure during cave-ins
| May 14, 2014 |
The accident: Working in the December cold, a utility construction worker was helping install a sewer line in a 25- to 30-foot-deep trench. A steel trench box was in the excavation but was not large enough to reach the bottom of the trench.
From our partners
At first blush, it sounds like a simple project: paint a champagne-colored…