Unit 4 Cover Building Construction Progress
[Translate] TEPCO released a brief handout and photo showing the progress made so far in constructing the cover building at unit 4. Once completed the building will allow the spent fuel pool to be unloaded. U4coverconstruction_handouts_130115_01-e This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so great. If you wish to reproduce … Read entire article »
Filed under: Reactor 4, The Latest
What The Melted Fuel At Fukushima Unit 1 Looked Like In The Pedestal
[Translate] A recent report by Sandia National Lab indicated that about 140,000kg of melted fuel and debris was released out of the unit 1 reactor vessel. These calculations were part of a larger effort to model the progression of the meltdowns at Fukushima using the known reactor data. “The present analysis shows gross failure at about 14 hours when approximately 140,000 kg of core materials was released to the drywell cavity region” We took those quantities and attempted to visualize what that bulk of melted fuel would look like compared to the pedestal region below the reactor vessel. The rough volume of fuel presented as a total amount gives a better idea how much melted fuel is being dealt with at unit 1. The height range is based on the volume and density range for … Read entire article »
Filed under: Reactor 1, The Latest
Unit 3 SFP Inspection, Reactor Cap Removed At Unit 4
[Translate] TEPCO has been progressing on work at Fukushima Daiichi to deal with units 3 and 4. The reactor (RPV) cap was removed from the top of unit 4. It appears TEPCO has removed all of the large heavy gear that had been sitting on the top west floor of the damaged reactor building. This removal should help with building stability. This image shows the yellow containment cap, tool pit crane,all of the concrete reactor well plug and the reactor cap have been removed. More images of unit 4′s work can be found in our photo gallery here. The TEPCO handout on the work: handouts_120913_03-e Work at unit 3 involved looking into the spent fuel pool as they prepare to begin removing debris from what is left of the refueling deck. Most of the images were looking … Read entire article »
Filed under: Reactor 3, Reactor 4, The Latest
Hydrogen Increases At Unit 1 Daiichi
[Translate] On September 5th hydrogen concentrations in Unit 1 jumped to .54%, the reading the previous day showed 0% hydrogen for Sept. 4th The 6th showed a .38% hydrogen level, On the 7th hydrogen decreased to .25%. TEPCO made this statement on Sept. 4th: - At 10:30 AM on September 4, in order to examine the case of the intermittent increase in hydrogen density and noble gas (Krypton-85) density measured by Unit 1 RCV gas control system, we injected the nitrogen to the upper part of the pressure suppression chamber in which hydrogen is supposed to be accumulated from the nitrogen injection line laid on the 1st floor of reactor building, and pushed out the accumulating hydrogen and the Krypton-85. We accordingly started confirming the presence of hydrogen and Krypton-85 at the upper … Read entire article »
Filed under: Reactor 1, The Latest
TEPCO’s Plan To Extract Melted Reactor Fuel
[Translate] TEPCO has a plan to remove the melted fuel from the reactors. It involves flooding containment with water and extracting the fuel with robots. No details on how this will be conducted on three leaking reactor buildings remains to be seen. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not … Read entire article »
Filed under: Daiichi NPP, Media, Plant Status, TEPCO
Workers Exposed To Penetrating Beta Radiation At Fukushima
[Translate] Two workers and possibly a third were exposed to penetrating beta radiation while changing filters in the water clean up systems at Fukushima Daiichi. They were pulling submerged components and were exposed to 23.4 – 17.1 mSv of radiation. It is not clear what their actual internal dose is, all three are undergoing more tests. In the rush to build decontamination equipment shielding and safe maintenance seem to have been an afterthought and are now causing issues for the workers running the systems. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or … Read entire article »
Filed under: Daiichi NPP, Plant Status, Radiation Exposure, The Latest
Why the Fukushima disaster is worse than Chernobyl
[Translate] Closing in on half a year later, The Independent outlines the reality of the Fukushima Daiichi disaster. The government failures and denials, the lives put on hold and what must be addressed in order to move forward. http://www.independent.co.uk/news/world/asia/why-the-fukushima-disaster-is-worse-than-chernobyl-2345542.html This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so great. If you … Read entire article »
Filed under: Daiichi NPP, The Latest
TEPCO Fukushima Radiation Leaks Into The Sea May Violate International Law
[Translate] The Marquette University Law Blog explains how the leaks at Fukushima Daiichi may put Japan in violation of international law. If these assumptions are correct private companies may be putting countries and their citizens at considerably liability. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so great. If you … Read entire article »
Filed under: Daiichi NPP, Plant Status, Sea/Soil Contamination, The Latest, Worldwide Exposure
TEPCO Releases Document Claiming Unit 3 Blew Up Unit 4
[Translate] TEPCO released a schematic claiming it explains that unit 3 caused the explosion in unit 4. It shows high radiation readings in the exhaust treatment equipment of unit 4 and states that there was a backflow of gas into unit 4. If this is the case and unit 3 had so much hydrogen generating ability that it destroyed two reactors in massive explosions what does that say about MOX fuel safety? TEPCO document in English TEPCO document in Japanese This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do … Read entire article »
Filed under: Daiichi NPP, Plant Status, Reactor 3, Reactor 4, The Latest
Japan Nuclear Disaster Models From 2002
[Translate] A Japan Atomic Energy Institute paper from 2002 recently surfaced online. This paper was the technical estimations of what would happen if a nuclear reactor on the Pacific coast of Japan were to have a catastrophic accident. The models included radiation dispersal under a variety of scenarios and also illness and death rates under multiple scenarios. The plant for the experiment is “1100MWe BWR5 with Mark-II type containment– One of the most common plant type in Japan“. Based on the location on the maps included in the paper the reactor used was either unit 6 at Fukushima Daiichi or one of units 1-4 at Fukushima Daini. The scenario is for one reactor failure, not 3 reactor failures plus spent fuel pools as was experienced at Fukushima Daiichi. Of the included reactor scenarios … Read entire article »
Filed under: Daiichi NPP, Health Risks, JAIF, Radiation Exposure, Technical Documents, Uncategorized
Fukushima Daiichi Leaking 1 Billion Becquerels Per Hour
[Translate] According to a news report by NHK today Fukushima Daiichi has lowered the emissions from the damaged plant. Even with the lowered rate, about 1 billion becquerels per hour of radiation are being released from the nuclear power plant. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so great. … Read entire article »
Filed under: Daiichi NPP, Monitoring Results, Plant Status, Radiation Exposure, The Latest
Enhanced Photos Inside Unit 3 Fukushima Daiichi
[Translate] This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so great. If you wish to reproduce any of our content in full or in more than a phrase or quote, please contact us first to obtain permission. If you are viewing this content on any website other than www.simplyinfo.org … Read entire article »
Filed under: Plant Status, Reactor 3, The Latest
Removal Of Spent Fuel In Units 3 & 4 Made A Priority
[Translate] No additional details are given such as how the fuel will be removed or how quickly. TEPCO has announced that the removal has become a priority on the next phase of work. Having TEPCO recognize the urgency of doing this is a small step forward. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts … Read entire article »
Filed under: Plant Status, Reactor 3, Reactor 4, The Latest
Unit 4 Damaged In 7.3 Quake
[Translate] July 10, the Fukushima region suffered a 7.3 quake. TEPCO announced no damage to the plant. By visual inspection two changes were found to unit 4. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so great. If you wish to reproduce any of our content in full or in … Read entire article »
Filed under: Plant Status, Reactor 4, The Latest
Cheers For Good Work; life at J Village Fukushima
[Translate] These images, taken by a worker at the Fukushima Daiichi nuclear site. These images all seem to be of “J Village” the facility near Fukushima Daini. J Village houses worker dormitories, health services and the various support services needed to keep the work at Daiichi moving ahead. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all … Read entire article »
Filed under: Daiichi NPP, Humanitarian, The Latest
Fukushima’s Emergency Power: Design to fail.
[Translate] More and more, Japan’s Asahi Shimbun news organization has begun to take the lead in pressing for answers to sticky questions arising from the Fukushima crisis. In this article from June 17, 2011, they address the question of why the Daiichi NPP disaster plan was so awful. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial … Read entire article »
Filed under: Daiichi NPP, The Latest
TEPCO To Enshroud Reactor Unit 1
[Translate] The Telegraph, in the UK, reports that TEPCO will begin work within two weeks on a steel-framed shroud to enclose Reactor Unit 1 at its disaster-plagued Fukushima Daiichi NPP. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so great. If you wish to reproduce any of our content in … Read entire article »
Filed under: Plant Status, Reactor 1, The Latest
Broken Exhaust Vent After Quake At Fukushima
[Translate] Elaine’s keen eye found this piece of information. The exhaust tower in question is the multiple stack tower near the common fuel storage pool. People might recognize it as the southern tower or the wider one with 4 pipes in it. This image shows the tsunami waters just starting to come into the plant. Yet the vent pipe connection into the tower is severed. Makanaka Blog has all the images of the tsunami rolling in. This raises the potential of other pieces of hardened vent systems being severed or damaged in the earth quake. This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with … Read entire article »
Filed under: Daiichi NPP, Plant Status
New Images Inside Reactor 3 Fukushima Daiichi
[Translate] These images were taken by TEPCO inside reactor 3 by the refueling garage inside the reactor building. Workers surveyed the area and found levels of radiation too high for work to continue inside the building. TEPCO PDF map of the areas inspected. The damage and charred areas from the explosion are evident in these images. Image editing Nancy Foust, Original photos TEPCO This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research … Read entire article »
Filed under: Plant Status, Reactor 3, The Latest
Japan raises spectre of Fukushima ‘melt-through’
[Translate] An official report, which Japan will submit to the UN’s nuclear watchdog, says nuclear fuel in three reactors at Fukushima has possibly melted through the pressure vessels and accumulated in outer containment vessels ABC News 6/8/2011 State of Nuclear Reactor extended story This article would not be possible without the extensive efforts of the SimplyInfo research team Join the conversation at chat.simplyinfo.org All content is copyright SimplyInfo.org. Content may also be copyright of other specific original authors or creators and was reproduced here with limited permission. While we welcome the sharing of information or promoting our work, please do so with respect to the large amount of effort and time that goes into our research and analysis. Referring to something or a quote is great, copying it all or in substantial parts is not so … Read entire article »
Filed under: News & Info., Plant Status, Reactor 1, Reactor 2, Reactor 3
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