Fukushima Unit 2 Containment Repair Research Underway
IRID announced details of work that is now underway to determine if a method for repairing the unit 2 suppression
Read moreIRID announced details of work that is now underway to determine if a method for repairing the unit 2 suppression
Read moreIRID has completed a full sized model of the torus (suppression chamber) based on the damaged reactors at Fukushima Daiichi.
Read more3D inspections of the unit 3 torus room are set to begin December 22nd. This work is expected to investigate
Read moreIRID published a call for proposals mid June related to research and development into a way to reinforce the torus structures
Read moreAs part of reviewing IRID’s updates on work progress for Fukushima Daiichi, new information about robots to be used and
Read moreIRID has announced ongoing testing work on four new robots to be used to inspect inside reactors at Fukushima Daiichi.
Read moreTwo newer underwater robots are being used to inspect the torus rooms of units 1 and 2. The robots built
Read moreTEPCO’s new reports on the unit 1 torus room already showed that a vacuum breaker caused an issue. Now they
Read moreWhat are they doing? TEPCO & Hitachi are apparently looking for damage to the vacuum breaker pipes that run in
Read moreYomiuri has released a more detailed article after yanking an earlier version. Two Yomiuri reporters were allowed into unit 4’s
Read moreKyodo is reporting a 3cm hole in the unit 2 torus. TEPCO claims that water is leaking out through this
Read moreThe ultrasound robot has been run inside unit 2 to attempt to determine the water level for the torus tube.
Read moreRobots with sophisticated gamma scanning cameras were sent in to unit 1 to establish contaminated areas as decontamination efforts take
Read moreTEPCO has done test runs with the ultrasound robot intended to detect the water level inside the torus tubes at
Read moreTEPCO recently released videos and reports of their work in the unit 1 torus room. The work was split into
Read moreTEPCO has done an inspection of Unit 1’s torus room, this time with a floating robot boat. TEPCO released most
Read moreTEPCO has investigated the torus room of unit 1 with the new boat robot. This was an effort to look
Read moreTEPCO has completed the last portion of the investigation of the torus and downcomer pipes in unit 2. The walking
Read moreTEPCO inspected another section of the torus of unit 2 today. It appears TEPCO intends to eventually inspect the entire
Read moreTEPCO sent the unnamed walker bot back into unit 2’s torus room for another inspection effort. This trip looked at
Read moreTEPCO recently inspected the unit 1 torus room for a second time as we reported here. Workers involved in the
Read moreNew work done around February 21 to 22 has been posted by TEPCO and confirmed by workers. The newest work
Read moreFrom today’s TEPCO report, they intend to restart nitrogen injection into the torus (suppression chamber). This has been done frequently
Read moreTEPCO did inspection work at Unit 2 in the torus with the Toshiba walker-bot (it doesn’t have a name apparently)
Read moreWe have reported extensively about a phenomenon going on inside unit 1 since the accident. Whenever there is a strong
Read moreHydrogen in the containment of unit 1 has continued to be elevated as they work to purge hydrogen from the
Read moreThis was initially reported in a TEPCO roadmap report that they were monitoring a pocket of hydrogen that has developed
Read moreTEPCO posted a section in a larger roadmap in Japanese about an investigation into the torus of unit 1 over
Read moreUpdate: The source for unit 1 torus radiation had an incorrect link. The correct link has been added to the
Read moreWorkers did a brief inspection inside the containment of unit 1 earlier this week. We reported the initial findings yesterday.
Read moreMany penetrations and connections within a reactor vessel can cause weak points where structural failure or corium (melted fuel) leakage
Read moreThe SimplyInfo team has been reviewing TEPCO’s latest effort to inspect unit 1 at Fukushima Daiichi. Work was done by
Read moreWe have about 140 images from the video investigation of unit 2 on April 18 using the Topy robot. The
Read moreTEPCO has released two photos and no other details of the robot investigation into the torus room (suppression chamber) area
Read moreVideo was also released of the unit 2 torus inspection. The video quality is quite poor compared to the video
Read moreTEPCO has released a video of the 8 minute trip into unit 3. We have some enhanced still images from
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