Trials to reuse decontaminated soil around Tokyo postponed
Feb. 24, 2023
Japan’s government is postponing trials in the Tokyo area to reuse soil that was decontaminated following the 2011 nuclear accident due to complaints from residents. They would have been the first of their kind outside Fukushima Prefecture.
The trials were set to start by the end of March in Tokyo’s Shinjuku Ward and Tokorozawa City in neighboring Saitama Prefecture.
But Environment Ministry officials say residents complained and raised concerns at briefing sessions in December.
They say some people questioned why their neighborhood was chosen, and that others complained about a lack of information.
The mayor of Tokorozawa has also been hesitant, as the majority of a local community group opposes the plan.
Ministry officials say they will consider when to start the trials after providing thorough explanations to the residents.
Soil exposed to radioactive fallout from the accident at the Fukushima Daiichi nuclear plant has been cleansed and stored.
The government plans to reuse it for public works projects, as long as the concentration of radioactive substances meets certain safety standards.
Takahama Unit 4 postpones resumption of operation due to rising equipment temperatures
October 21, 2022
On October 21, KEPCO announced that it had postponed the restart of the Takahama Unit 4 reactor, which is currently shut down for routine inspections, due to a temperature rise in one of the devices inside the reactor containment vessel that is activated when there is a problem with the primary cooling system. The reactor startup scheduled for the 21st will be postponed due to a temperature rise in one of the devices that operates in the reactor containment vessel in the event of a primary cooling system problem.
After the reactor start-up on the 21st, the plant was scheduled to resume power delivery on the 24th and commercial operation on November 18. KEPCO was planning to resume commercial operation on November 18. KEPCO is investigating the impact on the process and the cause of the temperature rise.
According to KEPCO, the temperature rose because of one of the safety devices used to reduce the pressure that rose due to a problem in the primary cooling system. The temperature was 4.2 degrees Celsius at around 3:30 p.m. on March 21, but it rose to 77 degrees Celsius at around 4:35 p.m., triggering an alarm.
https://www.tokyo-np.co.jp/article/209502?fbclid=IwAR3dktnvsjEKFDfgo3U1N_aguXV53mX5X7AURPw_J7_XArDcUkMPgjIh-dk
Tepco considering delay to removing Fukushima nuclear debris

August 24, 2022
TOKYO, Aug 24 (Reuters) – Tokyo Electric Power Company Holdings (Tepco) is considering abandoning a plan to start removing nuclear debris from a reactor in its wrecked Fukushima Daiichi nuclear power plant by the end of the year, Kyodo reported on Wednesday.
The plan will be postponed for about a year due to a delay in the development of a robot arm that will be used to remove the debris, the report said citing unnamed sources.
“Nothing has been decided at this point in time,” a Tepco spokesperson said in response to a request for comment from Reuters.
A huge tsunami hit the Tepco-operated Fukushima Daiichi nuclear power plant in 2011, causing three reactors to melt down and prompting over 160,000 people to evacuate. The damaged plant is currently being decommissioned.
JNFL to consider delaying completion of spent fuel reprocessing plant
26th postponement of the commissioning of the Rokkashô-mura nuclear reprocessing plant in Japan. It should have started in 1997…
July 29, 2022
At a press conference on July 29, Naohiro Masuda, president of JNFL, which is constructing a spent nuclear fuel reprocessing plant in Rokkasho Village, said that the plant’s target completion date, which is approximately two months away, “has reached a point where we have to consider postponing it. JNFL is considering the postponement of the construction of the Rokkasho Nuclear Power Plant.
JNFL has set the target completion date of the spent fuel reprocessing plant it is constructing in Rokkasho Village for the first half of this fiscal year, by September of this year.
At a regular press conference held on September 29, JNFL President Masuda stated, “Next week we will have less than two months to complete the plant, so we would like to consider the future outlook based on the status of the examination. We have reached a point where we need to consider postponing the project,” he said, indicating that he would consider postponing the project.
President Masuda cited as reasons for the postponement the ongoing Nuclear Regulatory Commission’s review of safety measures and other work that are prerequisites for completion, as well as the fact that the amount of work has increased from the original plan and that the plan needs to be carefully examined in order to proceed safely.
Regarding the time frame if the project is postponed, he stated, “I don’t think it will be something that will take two or three years,” but he also indicated that it is not expected to last more than a few months.
The reprocessing plant was originally planned to be completed in 1997, 25 years ago, but has been postponed 25 times due to repeated problems.
The reopening of the uranium enrichment plant has been postponed.
JNFL announced on April 29 that the plant in Rokkasho, which manufactures enriched uranium needed to produce nuclear fuel for use in nuclear power plants, will resume operation in February of next year, instead of September of this year, based on the status of safety measures and other factors. JNFL announced on April 29 that the resumption of operations at the Rokkasho uranium enrichment plant, which is located in Rokkasho Village, has been changed to February next year.
The uranium enrichment plant in Rokkasho is the only commercial facility in Japan that produces enriched uranium, which is necessary for nuclear fuel used in nuclear power plants. The plant has been out of operation since September 201 7 in order to conduct safety work to comply with the new national regulatory standards.
JNFL announced on the 29th that it had changed the date of resumption of operation to February next year, citing delays in the safety work.
[President apologizes for trouble with reprocessed liquid waste.
Naohiro Masuda, president of JNFL, apologized for the trouble at the spent nuclear fuel reprocessing plant in Rokkasho village, saying, “I would like to express my deepest apologies for causing great concern to the local community.
At the Rokkasho Reprocessing Plant, the cooling system for one of the tanks storing high-level radioactive liquid waste stopped functioning for about eight hours on the second of this month.
At the beginning of the press conference on March 29, JNFL President Masuda stated, “I would like to express my deepest apologies for causing so much concern to the local community. I am very sorry.
JNFL has stated that one of the two lines circulating water to cool the tank was under construction, and that a worker who was instructed to close the valve on that line may have inadvertently closed the valve on the line that was still in operation. The company claims that this is the case.
Regarding measures to prevent recurrence, President Masuda explained that valves that affect the cooling function are physically locked so that they cannot be operated, and that when safety-related equipment is placed in one line for construction or other reasons, monitoring is strengthened more than usual.
He added, “We will thoroughly implement measures to prevent recurrence and continue to place the highest priority on safety.
https://www3.nhk.or.jp/lnews/aomori/20220729/6080016788.html?fbclid=IwAR0J114Ufuu1EDQ3nl_NeXdxMclco4QjbKnxyoI87ry9B0Ff_d0Btawxkig
Coronavirus: Tokyo 2020 Olympics could be postponed?
Seiko Hashimoto says Tokyo 2020 organisers are “doing all we can” to make sure the Games go ahead as planned
Coronavirus: Tokyo 2020 could be postponed to end of year – Japan’s Olympic minister
March 3, 2020
Japan’s Olympic minister says the Tokyo 2020 Games could be postponed from the summer until later in the year amid fears over the coronavirus outbreak.
In a response to a question in Japan’s parliament, Seiko Hashimoto said Tokyo’s contract with the International Olympic Committee (IOC) “calls for the Games to be held within 2020”.
She added that “could be interpreted as allowing a postponement”.
The Games are due to be held from 24 July to 9 August.
“We are doing all we can to ensure that the Games go ahead as planned,” Hashimoto added.
Under the hosting agreement the right to cancel the Games remains with the IOC.
IOC president Thomas Bach says his organisation remains “very confident with regard the success” of the Games in Tokyo.
“I would like to encourage all the athletes to continue their preparations with great confidence and full steam,” added the German.
A number of high-profile sporting events have already been cancelled or postponed as a result of the coronavirus outbreak, including the World Athletics Indoor Athletics Championships and the Chinese Grand Prix, which was scheduled for 19 April.
Coronavirus, which originated in China, has spread to more than 60 countries and claimed more than 3,000 lives so far.
The IOC executive board met in Lausanne, Switzerland on Tuesday and in a statement “expressed its full commitment to the success of the Olympic Games Tokyo 2020 taking place from 24 July to 9 August”.
It said a “joint task force” was started in mid-February, involving the IOC, Tokyo 2020 organisers, the host city of Tokyo, the government of Japan and the World Health Organization.
The executive board added that it “appreciates and supports the measures being taken, which constitute an important part of Tokyo’s plans to host safe and secure Games”.
“We will continue to support the athletes and their NOCs with regular updates of information, which we will provide,” Bach added.
The Olympic rings outside the International Olympic Committee headquarters in Lausanne, Switzerland, where leaders discussed the Tokyo Games and the threat of the coronavirus outbreak
Japanese official raises possibility of postponing 2020 Summer Olympics
March 3, 2020
Even as Olympic leaders reiterated their confidence that the coronavirus outbreak will not force the cancellation of the upcoming 2020 Tokyo Games, a Japanese official suggested the host city has a contractual right to postpone the competition until the end of the year.
The dueling pronouncements came Tuesday as the International Olympic Committee’s executive board convened for a regularly scheduled meeting in Lausanne, Switzerland. Board members devoted much of the day to discussions on the matter.
“We remain very confident with regard to the success of these Olympic Games,” IOC President Thomas Bach said.
Half a world away, a question in the Japanese parliament prompted that country’s Olympic minister to discuss nuances of the contract that all host cities must sign when they are awarded the Games.
“The IOC has the right to cancel the Games only if they are not held during 2020,” Seiko Hashimoto told parliament, according to the Associated Press. “This can be interpreted to mean the Games can be postponed as long as they are held during the calendar year.”
Hashimoto added that officials “are making the utmost effort so that we don’t have to face that situation.”
Since the COVID-19 virus was detected in China late last year, more than 92,000 people have been infected and 3,100 have died worldwide. Still, as of early Tuesday, the World Health Organization had yet to classify the outbreak as a pandemic because it has severely affected only a handful of countries.
Some health experts have questioned the wisdom of holding any mass public gathering in light of the outbreak; others have said it is too early to make any such decisions,
The modern Olympics have been canceled only three times, during the first and second World Wars. In other instances, they have endured through various concerns, including the spread of the Zika virus around the time of the 2016 Summer Games in Rio de Janeiro.
This time, there is concern because the coronavirus has caused events such as international soccer games and a major car race to be postponed, moved or canceled.
Tokyo is expecting more than 10,000 athletes and an estimated 600,000 tourists from around the globe. Organizers have devoted billions of dollars to venue construction and other preparations but would likely have insurance to cover cancellation for unforeseeable reasons.
American broadcasters said Tuesday they also would be covered in case of cancellation.
“We try to anticipate for big events what might happen so that we’re protected there, and we also have insurance for any expenses we make,” Comcast chairman Brian Roberts, adding: “We’re optimistic the Olympics are going to happen.”
As for postponement, any date later this year or into 2021 could conflict with world championships and other competitions already scheduled. There is an additional, historical perspective.
The Spanish flu pandemic of 1918 was relatively light when it first appeared during the winter and spring. But after a dormant summer, it returned with greater force in the fall, ultimately infecting as many as 500-million people and killing 20 million to 50 million worldwide.
Last month, the IOC formed a task force that includes representatives from the WHO, the Tokyo 2020 organizing committee and the Japanese government.
“Of course we will continue this regular consultation with this joint task force to be able to address any developments which may occur,” Bach said.
Olympic leaders dismissed suggestions of a postponement, repeating their expectation that the Tokyo Games will begin as scheduled on July 24.
“You can come up with all sorts of speculation, all sorts of doomsday scenarios,” IOC spokesman Mark Adams told reporters. “We would prefer to stick to the advice from the experts.”
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