Fukushima Daiichi Unit 3 Spent Fuel Pool Damage Inspection
TEPCO reported in late November on some ongoing work to inspect the remaining fuel and equipment in the Unit 3
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spent fuel pool
Fukushima Unit 1 Spent Fuel Pool Cover Installed
TEPCO has completed the installation of a floating air bag to protect the spent fuel pool at unit 1, Fukushima
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Fukushima Daiichi Unit 2 Spent Fuel Pool Inspected
An inspection of unit 2’s spent fuel pool has been completed. This is what they found. The work was completed
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Fukushima Unit 2 Spent Fuel Pool Inspection
TEPCO announced an upcoming inspection of unit 2’s spent fuel pool. The work will be done using an underwater ROV
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Fukushima Unit 1 New “Plan B” To Remove Spent Fuel
TEPCO has added an additional option to their plans for the removal of spent fuel from unit 1 at Fukushima
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Fukushima Unit 6 Cooling Pump Fails
An RHR (reactor heat removal) pump at Fukushima Daiichi unit 6 failed on November 19th. The suppression chamber suction valve
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Fukushima Unit 1 Spent Fuel Pool Inspection
The first inspection of the unit 1 spent fuel pool has been conducted. Workers found visibility of about 7 meters
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Fukushima Unit 1; Site Of Significant New Work
Fukushima Unit 1 has been the site of significant new work on multiple fronts. We outline the new events and
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New Discovery At Fukushima Unit 3 Provides Clues To Meltdown Severity, Environmental Releases
TEPCO recently published a video of the work to remove spent fuel from the unit 3 fuel pool. In this
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TEPCO Adds Low Tech Water Injection to Unit 3 Spent Fuel Pool
TEPCO published a handout covering the recent worker training for a rather low tech system to refill unit 3’s spent
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TEPCO Begins Installing Unit 3 Defueling Building
TEPCO began installing the first sections of the defueling building this week. The decking is the first portion of what
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Fukushima Unit 3 Crane To Be Removed From Pool August 2nd
The remains of the unit 3 fuel handling crane will be removed from the spent fuel pool August 2nd. TEPCO
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Fukushima Unit 3 Fuel Crane To Be Removed This Week
TEPCO plans to remove the remains of the fuel crane from the pool this week using a special pair of
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Fukushima Unit 3 Decommissioning Plan Released
TEPCO released significant new information about the plan and progress for dealing with unit 3’s spent fuel pool. The report
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Fukushima Daiichi Unit 3 Spent Fuel Pool Gate Inspected
The unit 3 spent fuel pool gate was inspected further after concerns that the fuel handling crane could have damaged
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Fukushima Unit 3 Spent Fuel Pool Gate Damaged
NHK is reporting that TEPCO has admitted that two spent fuel pool gates at unit 3 are damaged. They described the first
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Oil Leak In Fukushima Daiichi Unit 3 Spent Fuel Pool
An oil leak occurred in the spent fuel pool of unit 3 at Fukushima Daiichi today as work was under
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1276 Fuel Assemblies Removed From Unit 4 Fukushima Daiichi
1276 fuel assemblies have been removed from the unit 4 spent fuel pool at Fukushima Daiichi. Work resumed after an
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1254 Fuel Assemblies Removed From Fukushima Unit 4
TEPCO reported that as of September 16, 2014 they have removed 1254 fuel assemblies from unit 4’s fuel pool. This
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Fukushima Refueling Machine Portion Falls In Spent Fuel Pool
TEPCO is reporting that the console portion of the refueling machine that fell into the spent fuel pool of unit 3
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TEPCO To Begin Unit 3 Crane Removal From Spent Fuel Pool
A brief note in the daily reports mentioned that TEPCO will be pausing cooling to the unit 3 spent fuel
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Fukushima Unit 5 Alternate Cooling, No ETA For System Repair; July 13, 2014
TEPCO still has not given any further information about the needed repair of the leaking valve for the main cooling
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Fukushima Unit 5 Continues Alternate Cooling
Unit 5 continues to operate on shared cooling with the reactor vessel. Graphs of hourly temperature data pulled today show
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Fukushima Unit 5 Reactor Temperature Rises
TEPCO’s statements earlier this week that they would use a back and forth method of cooling the spent fuel pool
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Fukushima Unit 5 Spent Fuel Pool On Alternative Cooling
Yesterday TEPCO reported that they had restarted the regular cooling system of unit 5’s spent fuel pool. The report indicated
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Fukushima Unit 3 Crane Leaks Oil Into Spent Fuel Pool
The refueling crane that crashed into the spent fuel pool of unit 3 has begun leaking oil into the pool.
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Fukushima Unit 4; 638 Fuel Assemblies Removed
638 spent fuel assemblies have been removed from the unit 4 spent fuel pool to the common pool as of
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Fukushima Unit 1 To Undergo Spent Fuel Pool Desalination
TEPCO reported they will now remove the salt from the unit 1 spent fuel pool. Maybe you are asking why
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Fukushima Unit 3 Fuel Pool Debris Removal Progress
TEPCO has accomplished some debris removal from the spent fuel pool as documented in this report. Earlier in 2014 work
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Unit 4 Fuel Removal May Start Monday
According to a document TEPCO released this week, as long as third party inspections are passed Thursday and Friday work
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TEPCO Admits Damage To Unit 4 Fuel And Pool
This news report contains two critical pieces of information regarding the removal of used fuel at unit 4. TEPCO admits
Read moreUnit 3 Spent Fuel Pool Update
A series of videos were released recently showing sections of the spent fuel pool at unit 3 of Fukushima Daiichi.
Read moreUnit 3 Location Of Crane & Mast In Pool
In an attempt to better understand how the crane is situated in the spent fuel pool of unit 3 we
Read moreAnalysis: Unit 3 Mast In Pool Inspection
TEPCO released a new video and handout of the unit 3 mast that fell deeper into the spent fuel pool.
Read moreUnit 3 Daiichi Pool Accident Analysis
TEPCO announced this week that the 1.5 ton mast for the refueling crane fell into the pool and sank as
Read moreNew Paper: Gamma Radiation Damage To Fukushima Units 1- 4 Spent Fuel Pools
fukuleaks.org/web has released another new paper taking an in depth look into the ongoing challenges at the Fukushima Daiichi nuclear
Read moreNew Corrosion Research Shows Accelerated Failure At Fukushima Daiichi
The fukuleaks.org/web research team has issued a new set of papers on corrosion factors at Fukushima Daiichi. The main paper
Read moreUnit 4 Group Findings
Unit 4 Spent Fuel Pool Issues: We went in depth on the issues with Unit 4’s spent fuel pool in
Read moreUnit 3 Spent Fuel Pool Videos & Enhanced Images
TEPCO finally released the videos of the unit 3 spent fuel pool. The videos do give a better look at
Read moreSpent Fuel Pools; How They Impact Fukushima Daiichi
The following is an in depth look at spent fuel pools and how these technical factors impact the disaster at
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