Pressure Drop at Fukushima Daiichi Unit 1
More problems from the recent earthquake in Fukushima Prefecture are being found. Water leaks were discovered at units 1 and
Read moreMore problems from the recent earthquake in Fukushima Prefecture are being found. Water leaks were discovered at units 1 and
Read moreA report published by TEPCO today shows new containment damage suffered by units 1 and 3 at Fukushima Daiichi as
Read moreTEPCO has completed the installation of a floating air bag to protect the spent fuel pool at unit 1, Fukushima
Read moreTEPCO has announced new work at Fukushima Daiichi related to the unit 1-2 vent tower. This location has the highest
Read moreThe upper half of the unit 1-2 vent tower has been cut down and the vent pipe has been capped.
Read moreTEPCO announced that work to prepare unit 1 for a new containment inspection has been completed. This work has been
Read moreThis is one section of our annual report, the full report can be found here. We will be posting a
Read moreNHK is reporting that TEPCO will indefinitely delay the containment inspection work inside unit 1 at Fukushima Daiichi. Concerns about
Read moreMuch anticipated inspection inside unit 1 containment.
Read moreThe bus used as a remote command center for the work to cut down the unit 1-2 vent tower took
Read moreTEPCO has added an additional option to their plans for the removal of spent fuel from unit 1 at Fukushima
Read moreTEPCO released these photos as part of the end of the month report. This is the first look at the
Read morePlans to inspect inside the containment structure of unit 1 at Fukushima Daiichi has again hit a series of delays.
Read moreOngoing work to cut an access hole into Unit 1’s containment for the upcoming robot inspection.
Read moreWork to cut a hole in personnel door into containment resumes.
Read moreA number of new events tied to unit 1 have taken place. These lend new insight into the initial disaster
Read moreThe inspection of the unit 1 reactor well began in July, continuing into the end of August. A trio of
Read moreThe first inspection of the unit 1 spent fuel pool has been conducted. Workers found visibility of about 7 meters
Read moreFukushima Unit 1 has been the site of significant new work on multiple fronts. We outline the new events and
Read moreTEPCO published preliminary photos July 18th showing the start of inspection work of the reactor well for unit 1. Two
Read moreMeasure twice, cut once. Work to remove the highly contaminated units 1-2 vent tower at Fukushima Daiichi took an unfortunate
Read moreTEPCO will drill through the interior door of the X-2 penetration into containment in early June. This will allow full
Read moreUnit 1 upcoming containment inspection
Read moreOriginally scheduled for May 20th. This event has now been postponed to some time in June.
Read moreTEPCO and the various entities tasked with dealing with the disaster clean up at Fukushima Daiichi have announced details of
Read moreA detailed TEPCO document from July 2018 gives some important new insight into the meltdowns at Fukushima Daiichi and the
Read moreOne of the most dangerous places at Fukushima Daiichi may undergo work to reduce the ongoing risk. Soon after the
Read moreTEPCO and the decommissioning authorities have reported on the ongoing delays at Fukushima Daiichi. As we reviewed these reports we
Read moreThe Nuclear Decommissioning Facilitation Corp (NDF) held their annual meeting recently. Presentations by various experts and those involved with the
Read moreTEPCO released a report with some new conclusions related to the earlier inspections of unit 1’s containment floor. The new
Read moreInvestigations of the unit 1 refueling floor area took place between November 2016 and February 2017. This area has been
Read moreTEPCO has completed a multiple day inspection of unit 1 at Fukushima Daiichi. This new work used the PMORPH robot
Read moreAn improved version of the Hitachi shape changing robot previously used at unit 1 has been unveiled by IRID. The
Read moreTEPCO has reported that the last sections of the cover over unit 1 have been removed. The next phase is
Read moreTEPCO reported on October 20th that they completed the drone inspections of unit 1-2 vent tower. Minimal data was provided
Read moreA flying quadcopter was used to attempt to inspect the Unit 1-2 vent tower at Fukushima Daiichi. The tower has
Read moreTEPCO has successfully obtained a sample and water depth for the sump drain connected to the unit 1-2 vent tower.
Read moreAsahi Shimbun is reporting that work has begun to remove the cover from Fukushima Daiichi Unit 1. The cover has
Read moreThe effort to deal with the unit 1-2 vent stack has grown in complexity. TEPCO claims in this new work
Read moreNHK announced late last week that TEPCO has begun removing small debris off the top of Fukushima unit 1 with
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