Fukushima Unit 3 Seawater Trench Concreting Completed
TEPCO announced that they have completed the concreting of the unit 3 seawater piping trench system. Two vertical shafts are
Read more
trench
TEPCO Begins Concreting Unit 4 Trench At Fukushima Daiichi
TEPCO has begun concreting in the seawater piping trench for unit 4 at Fukushima Daiichi. The work has been on
Read more
Frozen Wall Delayed As More Concreting At Fukushima Daiichi
TEPCO announced a two week delay in work to install a frozen underground wall around the leaking reactors at Fukushima
Read more
TEPCO Begins Concreting Unit 3 Trench
TEPCO concreted the unit 3 trench in some unannounced work at Fukushima Daiichi. The unit 2 cable trench had been
Read more
TEPCO Admits Unit 2 Trench Concrete Work May Be Failing
NHK reports that the work to concrete in the unit 2 trench may not be working as planned. The work
Read more
TEPCO’s Trench Saga Could Have Unintended Consequences
TEPCO has made multiple attempts to deal with the unit 2 trench full of highly contaminated water. In 2011 they
Read more
TEPCO Declares Effort To Drain Fukushima Daiichi Unit 2 Trench Futile
TEPCO drained 200,000 liters of water out of the unit 2 trench after they declared the end near the turbine
Read more
TEPCO Begins Draining Unit 2 Trench Of Radioactive Water
TEPCO has finally begun draining the Unit 2 trench of highly radioactive water. The trench was found to contain highly
Read more
TEPCO Gets Approval To Concrete Tunnels At Fukushima Daiichi
As part of the ongoing work to install the frozen wall around the reactor buildings at Fukushima Daiichi, concreting some
Read more
Fukushima Contaminated Water Problems Worsen
TEPCO announced this week that they wanted to begin pumping up water from the sub drains near the reactor buildings.
Read more
Fukushima Trench Freezing Failures & Tactics Technical Report
Update: Added table of sea water data at the end and another TEPCO handout on the work released this week.
Read more
Fukushima Frozen Wall Problem Claimed To Be Trickle Of Water
TEPCO is claiming a small water flow of 2 milliliters per minute is causing the frozen wall installation in cable
Read more
Unit 2 Frozen Trench Installation Begins At Fukushima Daiichi
Work has begun to freeze the unit 2 trench at Fukushima Daiichi. This has been a problematic area since the
Read more
First Implementation Of Ice Wall Will Allow Emptying Of Highly Contaminated Trench Water
NHK reports that the test operation of the ice wall technology done earlier in December will enable them to isolate
Read more