Skip to main content

Journey to the heart of Fukushima's crippled nuclear plant

By Paula Hancocks, CNN
updated 10:52 PM EST, Thu November 7, 2013
STORY HIGHLIGHTS
  • Operators of crippled Fukushima nuclear plant to remove fuel rods
  • 1,500 fuel units resting in cooling pool within damaged Reactor 4 building
  • Japanese nuclear plant damaged by earthquake and tsunami in March 2011
  • Process to remove the spent fuel is complex and potentially dangerous

Fukushima, Japan (CNN) -- After talking about spent nuclear fuel rods at Fukushima for more than two years, it is slightly disconcerting to suddenly be a few meters from them.

Some 1,500 fuel units to be exact, rest in a cooling pool within the damaged Reactor 4 building.

Tokyo Electric Power Co. (TEPCO), the crippled nuclear plant's operator, escorted a small group of journalists including CNN, into the heart of the building to show us the preparations being made for an imminent and crucial operation.

TEPCO says it will start the difficult process of removing this nuclear fuel in the coming days and transport it to a more stable location 100 meters away.

READ: TEPCO to begin removing fuel rods

Fukushima to remove fuel rods
The children of Fukushima
Nuclear power for the future?

Officials say they have done this more than 1,200 times before under normal circumstances. But considering there was an explosion in the Reactor 4 building days after the March 2011 earthquake and tsunami, these aren't normal circumstances.

"We have removed large debris (from the pool) and cleaned it with a water vacuum," said plant chief Akira Ono. "But there is a possibility that very small pieces of debris were left behind.

READ: How dangerous is Fukushima?

"If they are stuck between the channel box and the rack, we may not remove fuel smoothly, which will affect the operation's smoothness. In that sense, we are concerned."

This would certainly be considered one of the more dangerous areas of the plant to work in.

Half a dozen men were making final checks to the newly installed crane and hook that would lift the fuel rods from the pool into specially built containers for transportation. All are wearing full protective gear with dosimeters in their left chest pockets to monitor their daily exposure.

In the four hours we were on site, our dosimeters showed we were exposed to 0.06 millisieverts, the equivalent of two week's radiation away from Fukushima, a TEPCO official told me.

Driving around the plant, evidence of the devastating tsunami is still perfectly clear two and a half years later. Some building structures remain damaged, as steel girders lie broken and untouched. The cleanup operation is so immense that only essential maintenance is tackled.

We were also escorted to the H4N tank area, the scene of a recent leak of contaminated water. The plant is home to about 1,000 storage tanks, holding the irradiated water that has been used to keep the nuclear reactors cool. From the 400,000 ton capacity, TEPCO says 370,000 has already been used.

Work is also continuing to try and increase the capability of the ALPS water decontamination system, currently a fairly slow process.

Close to the ocean front, we were shown the latest efforts to stop radioactive groundwater from seeping into the Pacific, estimated at around 300 tons a day. The tips of yellow and pink ribbons sticking up from the earth indicate where an underground barrier has been constructed. Liquid cement has been injected into the ground to try and keep the water within the plant itself.

The coming days will be crucial to the efforts to stabilize the nuclear power plant. TEPCO rejected alarmist comments from some quarters that any mistake in removing the spent fuel rods could spark another nuclear disaster.

Ono told reporters on site, "I believe it's nearly impossible."

Time will tell.

ADVERTISEMENT
Part of complete coverage on
updated 12:47 AM EDT, Fri July 25, 2014
Flight attendants are wearing black ribbons to show solidarity with fallen colleagues in "a tribute to those who never made it home."
updated 2:15 PM EDT, Thu July 24, 2014
Hamas: "Lift the siege." Israel: "End the rockets." The two sides' demands will be difficult to reconcile.
updated 4:53 PM EDT, Tue July 22, 2014
CNN's Richard Quest speaks to Malaysia Airlines' Hugh Dunleavy about how the airline industry needs to react to MH17.
updated 4:42 PM EDT, Thu July 24, 2014
From Maastricht to Melbourne, and baroque theaters to block-long warehouses, these stores make bookish travelers look stylish.
updated 10:27 AM EDT, Wed July 23, 2014
Hamas' tactics have changed -- now the group is using commando-like tactics, says CNN's Ben Wedeman.
updated 2:09 PM EDT, Thu July 24, 2014
A California homeowner's nightmare has become a cautionary tale for those who rent their homes to strangers.
updated 2:57 PM EDT, Wed July 23, 2014
A nun, an AIDS researcher, an athlete and a family traveling on summer vacation. These were some of the victims aboard MH17.
updated 8:21 PM EDT, Mon July 21, 2014
Prince George isn't your average one year old. He started walking before he was one. Oh, and, he's going to be king -- of 16 countries.
updated 7:36 AM EDT, Mon July 21, 2014
Former President Bill Clinton acknowledges he got "very close" to helping achieve peace in the Middle East.
updated 2:21 AM EDT, Fri July 18, 2014
In an ambitious plan to upgrade urban India, Prime Minister Narendra Modi says he will build 100 "smart cities" across the country.
CNN joins the fight to end modern-day slavery by shining a spotlight on its horrors and highlighting success stories.
Browse through images from CNN teams around the world that you don't always see on news reports.
ADVERTISEMENT