Crews failed to relocate pressure-sensing lines from an old cast-iron distribution main during a mid-September Columbia Gas pipeline replacement, igniting a series of explosions and fires north of Boston, according to a preliminary report by federal investigators.
In an analysis of three cranes that collapsed in the Miami area as Hurricane Irma passed over Florida, OSHA found that while the cranes were set to spin freely in the wind, all three were a specific model whose jibs may have been vulnerable to turbulent wind vortexes.
In the wake of a rise in fatal trenching cave-ins, the federal Occupational Safety and Health Administration has begun a targeted education and enforcement program to try to reverse the trend.
Gov. Jerry Brown (D) in late September vetoed a bill that would have directed California municipalities to create a database of structures that would be at risk of collapse as a result of seismic events.
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