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Reduction of Radiation Exposure |
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Mockup Training |
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View of new core shroud installation training |
View of RPV bottom head work area training |
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- Toshiba constructed a full size mockup test facility to train the work team in a simulated RPV environment in order to achieve quick and accurate results at 1F-3.
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RPV Bottom Head Work at 1F-3 |
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- Chemical decontamination and in-vessel shielding installation were
performed to make the bottom head area accessible for workers.
- After these tasks were completed, the dose rate in the bottom head
was reduced to 0.2-0.4 mSv/hr*.
- No respirators were required to be worn inside the RPV. The picture
on the left shows an engineer standing in the bottom of the RPV.
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* This value is about the same as a person receives during a routine chest x-ray (0.3 mSv). |
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