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» TEPCO revieled a plan to place blocks of ice in trenches at Fukushima no.1 to stanch the flow of radioactive water

TEPCO unveiled a plan that would place blocks of ice in trenches at the stricken Fukushima No. 1 nuclear power plant to stop the flow of radioactive water.

The method was revealed at a July 23 meeting of the Nuclear Regulation Authority. The NRA instructed TEPCO to pump out contaminated water in the trenches as early as possible because water inside the underground tunnels could be leaking into the surrounding soil.
In late April, TEPCO began work to prevent additional water in the turbine buildings from flowing into the trenches.TEPCO has been constructing “ice walls” at joint sections connecting the tunnels and turbine buildings after installing bags containing cement and clay at those points.

Although the operations were scheduled to be completed at the end of May, the cement and clay bags are still not sufficiently frozen.

The delay in draining the radioactive water from the tunnels could slow the construction of the frozen wall on the seaward side of the reactors.
<Media Report>
TEPCO to use ice blocks to stem flow of radioactive water in Fukushima plant trenches (Asahi newspaper)

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