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Fukushima Daiichi Top
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Video Explanations

The impact of the Fukushima Daiichi Nuclear Power Station accident, and the steps being taken to overcome it and to decommission the reactors, are explained visually.

Filter by category/initiative

List of Videos

2020年1月23日 "The current situation at Fukushima Daiichi NPS" -From 3.11 toward the future- (ver. Jan. 2020)

Uploaded January 23, 2020

Length: approx. 7:47

#Accident & current situation

2019年12月19日 Preparing to remove fuel from the Fukushima Daiichi Nuclear Power Station Unit 1 spent fuel pool Large cover construction

Uploaded December 19, 2019

Length: approx. 3:57

#Fuel removal #Unit 1

2019年10月31日 The method for removing fuel from the Fukushima Daiichi Nuclear Power Station Unit 2 spent fuel pool

Uploaded October 31, 2019

Length: approx. 4:54

#Fuel removal #Unit 2

2019年7月24日 Fuel removal work from the Unit 3 spent fuel pool at Fukushima Daiichi NPS

Uploaded July 24, 2019

Length: approx. 4:46

#Fuel removal #Unit 3

2019年7月8日 "The current situation at Fukushima Daiichi NPS" -From 3.11 toward the future- (ver, July. 2019)

Uploaded July 8, 2019

Length: approx. 9:07

#Accident & current situation

2019年3月8日 First Contact Investigation inside the Primary Containment Vessel〜Fukushima Daiichi Nuclear Power Station Unit 2

Uploaded March 8, 2019

Length: approx. 4:48

#Fuel debris removal #Unit 2

2019年3月7日 Fukushima Daiichi Nuclear Power Station -The year in review- (March 2018 - February 2019)

Uploaded March 7, 2019

Length: approx. 4:46

#Accident & current situation

2019年2月6日 We will investigate deposits inside the PCV.〜Internal Investigation of the Fukushima Daiichi Nuclear Power Station Unit 2 PCV

Uploaded February 6, 2019

Length: approx. 5:00

#Fuel debris removal #Unit 2

2018年7月20日 Countermeasures to prevent groundwater from coming in contact with contamination sources

Uploaded July 20, 2018

Length: approx. 4:07

#Water management

2018年7月19日 “The current situation at FukushimaDaiichi NPS” -From 3.11 toward the future- (ver,July.2018)

Uploaded July 19, 2018

Length: approx. 7:54

#Accident & current situation

2018年6月7日 Unit 3 Fuel Removal Cover Installation in Chinese (traditional)

Uploaded June 7, 2018

Length: approx. 3:53

#Fuel removal #Unit 3

2018年6月7日 Unit 3 Fuel Removal Cover Installation in Chinese (simplified)

Uploaded June 7, 2018

Length: approx. 3:53

#Fuel removal #Unit 3

2018年6月7日 Fuel Removal Cover Installation Project〜Unit 3 Reactor Building〜

Uploaded June 7, 2018

Length: approx. 3:53

#Fuel removal #Unit 3

2018年4月11日 Unit 1 Rubble Removal in Simplified Chinese character version

Uploaded April 11, 2018

Length: approx. 3:39

#Fuel removal #Unit 1

2018年4月11日 Unit 1 Rubble Removal in Traditional Chinese character version

Uploaded April 11, 2018

Length: approx. 3:39

#Fuel removal #Unit 1

2018年4月11日 Unit 1Rubble Removal

Uploaded April 11, 2018

Length: approx. 3:09

#Fuel removal #Unit 1

2018年3月12日 Unit 2 PCV internal investigation in Simplified Chinese character version

Uploaded March 12, 2018

Length: approx. 3:40

#Fuel debris removal #Unit 2

2018年3月12日 Unit 2 PCV internal investigation in Traditional Chinese character version

Uploaded March 12, 2018

Length: approx. 3:40

#Fuel debris removal #Unit 2

2018年2月7日 Examining the bottom of the containment vessel -Unit 2 Reactor Building Internal Investigation-

Uploaded February 7, 2018

Length: approx. 3:40

#Fuel debris removal #Unit 2

2018年1月15日 “The current situation at FukushimaDaiichi NPS” –From 3.11 toward the future- (ver,Jan.2018)

Uploaded January 15, 2018

Length: approx. 8:23

#Accident & current situation

2017年12月1日 Installation of the fuel handling machine and the crane for the spent fuel removal is completed at Fukushima Daiichi NPS Unit 3

Uploaded December 1, 2017

Length: approx. 3:55

#Fuel removal #Unit 3

2017年07月18日 “The current situation at FukushimaDaiichi NPS” –From 3.11 toward the future- (ver,Jul.2017)

Uploaded July 18, 2017

Length: approx. 8:25

#Accident & current situation

2017年7月13日 Towards internal investigation of the Fukushima Daiichi Nuclear Power Station Unit 3 Primary Containment Vessel

Uploaded July 13, 2017

Length: approx. 2:18

#Fuel debris removal, #Research and Development

2017年01月16日 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future- (ver,Jan.2017)

Uploaded January 16, 2017

Length: approx. 9:09

#Accident & current situation

2016年9月1日 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future- (ver,Sep.2016)

Uploaded September 1, 2016

Length: approx. 8:52

#Accident & current situation

2016年08月24日 Dismantling of Unit 1 cover panels for spent fuel removal

Uploaded August 24, 2016

Length: approx. 3:51

#Fuel removal, #Unit 1

2016年07月13日 Preventing Recriticality in Fuel Debris at Fukushima Daiichi Nuclear Power Station

Uploaded July 13, 2016

Length: approx. 4:58

#Accident & current situation

2016年1月12日 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future- (ver,Jan.2016)

Uploaded January 12, 2016

Length: approx. 8:24

#Accident & current situation

2015年10月15日 Improving Water Storage by Dismantling and Replacing Flange Tanks

Uploaded October 15, 2015

Length: approx. 4:12

#Water management

2015年10月15日 Fuel Removal Roof Cover Installation on Unit 3 at Fukushima Daiichi

Uploaded October 15, 2015

Length: approx. 2:32

#Fuel removal, #Unit 3

2015年09月25日 Completion of Placing Steel Pipe Sheet-Piles for Seaside Impermeable Wall Closure

Uploaded September 25, 2015

Length: approx. 2:59

#Water management

2015年08月27日 Introduction of Subdrain Water Treatment Facilities

Uploaded August 27, 2015

Length: approx. 4:02

#Water management

Investigation Results Inside of the Unit 3 Spent Fuel Pool

Uploaded August 4, 2015

Length: approx. 3:42

#Fuel removal, #Unit 3

2015年06月04日 Start of operation of the large rest house at Fukushima Daiichi NPS

Uploaded June 4, 2015

Length: approx. 2:18

#Work environment

2015年05月18日 An unprecedented challenge Robots obtain crucial information on conditions inside the Fukushima Reactor

Uploaded May 18, 2015

Length: approx. 4:04

#Fuel debris removal, #Research and Development, #Unit 1

2015年04月03日 Fukushima revitalization meal service center - It's time to enrich the meal at Fukushima Daiichi NPS -

Uploaded April 3, 2015

Length: approx. 4:09

#Work environment

2015年02月19日 Development for fuel debris detection technology for reactor at Fukushima Daiichi Nuclear Power Station (Unit 1)

Uploaded February 19, 2015

Length: approx. 2:05

#Fuel debris removal, #Research and Development, #Unit 1

2015年02月17日 Addressing water issues: Subdrain and the seaside impermeable wall

Uploaded February 17, 2015

Length: approx. 4:06

#Water management

2015年02月15日 Use of robots for reactor stabilization and decommissioning at Fukushima Daiichi Nuclear Power Station

Uploaded February 15, 2015

Length: approx. 6:12

#Research and Development

2015年01月28日 Approaches to Contaminated Water – Removing Contamination Sources – “Removal of Highly Contaminated Water Retained Inside the Trench”

Uploaded January 28, 2015

Length: approx. 3:55

#Water management

2014年12月24日 “The current situation at Fukushima Daiichi NPS” –From 3.11 toward the future-

Uploaded December 24, 2014

Length: approx. 7:25

#Accident & current situation

2014年12月22日 Completion of fuel removal from Unit 4 spent fuel pool at Fukushima Daiichi NPS

Uploaded December 22, 2014

Length: approx. 5:47

#Fuel removal, #Unit 4

2014年11月26日 Contaminated Water Processing 〜Multi-Nuclide Removal Equipment (ALPS)〜

Uploaded November 26, 2014

Length: approx. 4:50

#Water management

2014年11月26日 Measures to prevent radioactive materials during the debris removal work

Uploaded November 26, 2014

Length: approx. 5:10

#Water management

2014年07月25日 Fuel Removal from Unit4 at Fukushima Daiichi NPS

Uploaded July 25, 2014

Length: approx. 4:43

#Fuel removal, #Unit 4

2014年5月12日 Factory-made Tank Installation Project

Uploaded May 12, 2014

Length: approx. 4:25

#Water management

2014年4月4日 Groundwater Bypass System in Fukushima Daiichi NPS

Uploaded April 4, 2014

Length: approx. 4:15

#Water management

2014年3月11日 Interview to the worker at Unit 4 building cover construction site at Fukushima Daiichi NP

Uploaded March 11, 2014

Length: approx. 3:20

#Fuel removal, #Unit 4

2014年2月18日 Measures for Contaminated Water in the Seaside Trenches of Turbine Buildings at Fukushima Daiichi

Uploaded February 18, 2014

Length: approx. 10:51

#Water management

2011年11月30日 The Evaluation Status of Reactor Core Damage at Fukushima Daiichi Nuclear Power Station Units 1 to 3

Uploaded November 30, 2011

Length: approx. 18:24

#Accident & current situation

Vol.3:Radiation Monitoring at the site -No.3 Changes in radioactive concentration and air dose rate at Fukushima Daiichi NPS

Uploaded December 3, 2011

Length: approx. 10:09

#Monitoring

Vol.3:Radiation Monitoring at the site -No.2 Evaluation method of the present amount of radioactive material released from the Reactor Building

Uploaded November 26, 2011

Length: approx. 15:45

#Monitoring

Vol.3:Radiation Monitoring at the site -No.1 measuring method

Uploaded November 19, 2011

Length: approx. 21:41

#Monitoring

Vol.2:Effort for treating radioactive accumulated water -No.4 Individual Tank Water Amounts and Water Storage Plan/Water treatment Facility to Bolster its Reliability

Uploaded November 12, 2011

Length: approx. 9:35

#Water management

Vol.2:Effort for treating radioactive accumulated water -No.3 Mechanism of water treatment (desalination)

Uploaded November 5, 2011

Length: approx. 9:07

#Water management

Vol.2:Effort for treating radioactive accumulated water -No.2 Water processing facility (removal of radioactivity)

Uploaded October 29, 2011

Length: approx. 18:57

#Water management

Vol.2:Effort for treating radioactive accumulated water -No.1 Outline Version

Uploaded October 22, 2011

Length: approx. 14:48

#Water management

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.4 Training for the recovery of the reactor water injection system

Uploaded October 12, 2011

Length: approx. 5:42

#Accident & current situation

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.3 Reactor and Fuel Status in Case of a Reactor Water Injection System Malfunction

Uploaded October 1, 2011

Length: approx. 13:49

#Accident & current situation

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.2 Status of Measuring Instruments of Reactor Pressure Vessels and Primary Containment Vessels

Uploaded September 17, 2011

Length: approx. 12:19

#Accident & current situation

Vol.1:How to Achieve and Maintain the "Cold Shutdown Condition" -No.1 Installment and Operation of Water Injection System to the Reactors

Uploaded September 10, 2011

Length: approx. 8:15

#Accident & current situation

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