Report: Some investigators concluded sabotage probably triggered Three Mile Island disaster (AUDIO)

Published: August 13th, 2012 at 1:35 pm ET
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Follow-up to: AP: Fukushima Daiichi workers could try to sabotage plant, warns their doctor

Title: Scott Portzline Interview (Security consultant to Three Mile Island Alert)
Source: Coast to Coast AM
Date: August 12, 2012

At 6:15 in

Portzline: I ended up… having met with some of the original investigators into the accident at Three Mile Island who concluded that sabotage probably triggered the cascading events that happened there.

More at ~35:30 in

Title: Investigation: Revelations about Three Mile Island disaster raise doubts over nuclear plant safety
Source: The Institute for Southern Studies
Date: April 2009

The FBI stated publicly that sabotage has not occurred at TMI 3 days into the emergency and that the “case was closed.” In fact, the next day the FBI conducted the first of 3 sabotage investigation interviews. (read the Rogovin report [Part 1, Part 2]).

See also: Sabotage at Three Mile Island?

Published: August 13th, 2012 at 1:35 pm ET
By
Email Article Email Article
9 comments

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9 comments to Report: Some investigators concluded sabotage probably triggered Three Mile Island disaster (AUDIO)

  • patb2009

    The plant had lots of problems.

    Essentially poor configuration management, a series of poor design choices and
    a real lack of situational awareness.

    Add in junior operators on the night shift.

    The whole thing cascaded off of a tripped polisher, and then the instrumentation wasn't very good.


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    • AFTERSHOCK AFTERSHOCK

      @patb2009: I'm inclined to go with your take on TMI. We should keep in mind, when buying into sabotage (whether it was the case or not) as the cause for TMI's failure, you're then allowing for the concept of 'responsible' operation of this technology. When it comes to the use of nuclear technologies within the biosphere, you don't need to throw a wrench into the works…it's already built in…


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  • So too should be the safety valve designed to sabotage of electrical current …


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  • Lacsap Lacsap

    If you been sabotaged then there is no blame on you.. so the sabotage was probably a backup (plan) till things where sort out.


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  • Heart of the Rose Heart of the Rose

    "The Kemeny Commission noted that Babcock and Wilcox's PORV valve had previously failed on 11 occasions, nine of them in the open position, allowing coolant to escape."

    http://en.wikipedia.org/wiki/Three_Mile_Island_accident


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  • chrisk9

    The day after TMI started i was called to work at a sister plant (same design) Rancho Seco. We were informed of their exact problems and later given a complete root cause analysis. From this report changes were recommended, and the NRC mandated a number of structural modifications to the plant. A couple of modifications mandated were as rumor had it, considered before TMI happened.

    So I seriously doubt sabotage was involved at all. But in the corporate nuclear world, and other corporate endeavors that term is used whenever people can not explain shit.


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    • I think they kept the sabotage thread going for a few days just in case they needed it to take the heat off their lousy design and engineering (which is what actually at fault). But they quickly decided to just blame the operators instead. I've always been amazed the ops allowed that, but then again, they no doubt valued their lives.

      What CAUSED the accident was an oops that occurred while a work crew was attempting to dislodge a resin clog in the demineralizer (which was off-line at the time due to the clogged filter). The clog wasn't budging, so they went with a NOT recommended (but often used) fix – hit the filter from the counter-flow direction with high pressure water. Not being careful of one of those odd non-spec changes in the plant design that happen when these things are built, they ended up hitting the intake for the instrumentation air supply (a pneumatic system) with that high pressure water, and the entire secondary system failed. The work crew left the area without remembering to re-open the emergency feedwater valves, which were closed during the evolution as part of isolating the polisher/demineralizer for the work. It took 15 minutes for 'someone' to remember they were closed, then get in the "awkward position" necessary to re-open them ("awkward" because of yet another approved re-design during construction) manually. The steam generators, meanwhile, had both boiled dry within 2 minutes.

      Human error all the way down the line, but it wasn't…


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  • Heart of the Rose Heart of the Rose

    Perhaps..someone is being .."given words" by the NRC.
    Pg.3…
    http://wallaby.telicon.com/pa/library/2010/20100927tz.PDF


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  • Heart of the Rose Heart of the Rose

    PS..although..it seems the "terrorist threat" promotion..is his own..


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