Equipment Failure: How Much Does Air Weigh?
Seems like a very simple evolution: drain the excess liquid out of a rail car tank. What could go wrong with that?
It depends on how you “drain” the car. In this case, maybe your workers decided to do a really good job, and hooked up a vacuum truck to the tank, instead of just draining excess. This video shows the results of this type of mistake.
What safeguards would you put in place to prevent this type of problem?