October 27, 2015 6:00 AM EDT
Disaster by Design/Safety by Intent #4
Disaster by Design
If you had a dollar for every foot of pipe—or even just a quarter for every three inches of pipe—used in the nation’s nuclear power plants, you would probably not be reading this post. That chore would be delegated to one or more of your many minions.
Pipes at nuclear power plants carry cooling water to the reactor vessel and spent fuel pool, transport steam to the main turbine, provide hydrogen gas to cool the main generators, supply fuel and lubricating oil to the emergency diesel generators, maintain the fire sprinklers ready to extinguish fires, and numerous other vital functions. Given so many pipes, a success rate of 99.99%—remarkably similar to a failure rate of one broken pipe out of ten thousand pipes—would result in lots of piping failures. Read more >