Event Reports: Another week, another open containment door

About a week ago, I told you about a spate of containment errors at nuclear power plants involving doors being opened simultaneously, creating a potential path for the release of radiation. Today, the Nuclear Regulatory Commission had an item on its Event Reports page involving the same situation.

Early yesterday morning, the Dresden nuclear power plant in Illinois reported: “…two individuals were removing materials from the main steam isolation valve room (X-Area) and defeated an interlock which allowed them to open two secondary containment doors simultaneously. The X-Area personnel access doors connect secondary containment to the turbine building and are part of the secondary containment boundary.”

The report continued: “Dresden Unit 3 was in Mode 1 which requires secondary containment to be operable.”

 

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About Robert Singleton

By day, I work for a call center. In my spare time, I try to save my hometown (and planet) from a nearly constant onslaught of greedheads, lunatics and land developers. I live in a fictional town called Austin, Texas, where I go to way too many meetings.
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