"Reactor 1" tag
Enformable Reactor 1-1600

Venting operations at Fukushima Daiichi may have released more radioactive materials then estimated

New data released from Japan may help researchers to determine exactly how radioactive materials were released into the atmosphere from the Unit 1 reactor during the early days of the Fukushima Daiichi nuclear…

The Fukushima Daiichi nuclear power plant pictured in March 2011 and March 2014.

More progress made overhauling site than decommissioning reactors at Fukushima Daiichi

In the three years since the start of the Fukushima Daiichi nuclear disaster there has been a plethora of drastic changes made to the landscape of the Fukushima Daiichi nuclear power plant including;…

March 22nd, 2011 - Core melt at Fukushima Unit 1 from 11 to 12 March 2011

March 22nd, 2011 – Core melt at Fukushima Unit 1 from 11 to 12 March 2011

March 22nd, 2011 – Core Melt at Fukushima Unit 1 From 11 to 12 March 2011 – Pages From C146301-02X – Group…

March 24th, 2011 - ORNL analysis of RPV Impacts in Fukushima Daiichi Reactors

March 24th, 2011 – ORNL analysis of RPV Impacts in Fukushima Daiichi Reactor 1

A brief summary of impacts on the reactor pressure vessel in Fukushima Daiichi Unit 1 from experts at the Oak Ridge National Laboratory. March 24th, 2011 – OrNL Analysis of RPV Impacts in…

April 29th, 2011 - Consortium  analysis of TEPCO Roadmap at Fukushima Daiichi

April 29th, 2011 – Consortium of Industrial and Governmental Organizations analysis of TEPCO Roadmap at Fukushima Daiichi

In April of 2011, a consortium of industrial and governmental organizations established to provide advice to Japan in its efforts to stabilize the conditions at the Fukushima Daiichi nuclear power plant, authored an…

Fukushima Daiichi Unit 1 and Unit 2 exhaust stack

TEPCO investigates radiation levels of exhaust stack at Fukushima Daiichi

Workers at the Fukushima Daiichi nuclear power plant used a camera attached to a long pole with a dosimeter to explore highly radioactive areas near the combined exhaust stack for Unit 1 and…

March 31st, 2011 - TEPCO's assessment of structural damage to Unit 1, 3, and 4 reactor buildings

March 31st, 2011 – TEPCO’s assessment of structural damage to Unit 1, 3, and 4 reactor buildings

March 31st, 2011 – TEPCO’s Assessment of Structural Damage to Unit 1, 3, And 4 Reactor Buildings by Enformable

Fukushima Daiichi Unit 1

Japanese regulators inspect Fukushima Daiichi Unit 1 isolation condenser

Officials from Japan’s Nuclear Regulation Authority inspected the Unit 1 reactor building at Fukushima Daiichi on Friday to inspect the possibility that critical components were damaged by the earthquake on March 11th, 2011. …

Fukushima Daiichi Unit 4 and Cover - Resized

TEPCO still unable to restore power at all affected facilities

Monday night, a power outage at the Main Anti-Earthquake Building at the Fukushima Daiichi nuclear power station suspended operations at three spent fuel pool cooling systems and other critical plant facilities.  TEPCO was…

Fukushima Daiichi March 2013

NHK reporters visit Fukushima Daiichi plant

Reporters from NHK were allowed to walk near the Fukushima Daiichi Unit 1 reactor building for 10 minutes on Tuesday, which was practically destroyed by an explosion in the first hours of the…

Fukushima Daiichi Reactor 1 Torus Room Inspection

TEPCO workers collect water from Fukushima Daiichi Reactor 1 torus room

According to TEPCO, twenty workers at Fukushima Daiichi spent two and a half hours in the Unit 1 reactor building collecting water and sediment for sampling analysis from the accumulated water in the…

Fukushima Daiichi Unit 1 Torus Survey

TEPCO workers survey Fukushima Daiichi Unit 1 torus room

This week, twenty workers at Fukushima Daiichi worked to investigate the torus room inside of the Unit 1 reactor building.  They found that the top of the water is around OP 3700, which…

TEPCO finds high radiation levels in Fukushima Daiichi Unit 1 torus 2

TEPCO finds high radiation levels in Fukushima Daiichi Unit 1 torus

TEPCO workers carried out efforts at the Fukushima Daiichi Unit 1 reactor to drill a hole through the concrete containment and steel containment liner in order to insert a camera to investigate where…

OLYMPUS DIGITAL CAMERA

TEPCO releases trove of images taken during early days of Fukushima Daiichi disaster

Today, TEPCO published nearly two thousand photos of the first weeks of the response to the Fukushima Daiichi nuclear disaster.  During the early days of the accident workers were temporarily evacuated multiple times…

TEPCO Reactor 1 Balloon Investigation

TEPCO workers launch survey balloon in Fukushima Reactor 1

Photos showed debris from the reactor building explosion up to about 30 meters inside of the building. Radiation levels measured 150 mSv/hr on the building’s second floor, but dropped dramatically on the third…

121011_01

TEPCO finds only 9 feet of water at bottom of containment vessel

In the first week of the crisis, Fukushima Daiichi Reactor 1 is considered to have had the most severe situation of the three reactors which ultimately suffered meltdowns.  To date, none of TEPCO’s…

The crippled TEPCO's Fukushima Daiichi nuclear power plant reactor buildings are seen in Fukushima prefecture

TEPCO’s lack of findings during Reactor 1 endoscope mission may cast doubt on cold shutdown status

In January of this year, TEPCO conducted an investigation in the inside of the Primary Containment Vessel (PCV), of Unit 2 at Fukushima Daiichi.  They had been assuming that the water in the…

The explosion at Reactor 1 did not effect the towers in the same manner

March 12th, 2011 – They may have done exactly what Mitch said – flooded the cavity and then they got a steam explosion

From: Gayrilas, Mirela To: Gibson. Kathy; Case, Michael Cc: Lee. Richard Subject: FW: Fukushima Date: Saturday, March 12, 2011 6:55:30 AM Any info that can be shared with our contractor at ANL? He…

The crippled TEPCO's Fukushima Daiichi nuclear power plant reactor buildings are seen in Fukushima prefecture

In-Focus Japan: 1590 microsieverts per hour detected in Futaba just before Unit 1 explosion – More utilities seeking rate increases

1590 microsieverts per hour detected in Futaba just before Unit 1 explosion on March 12th The 1590 uSv/hr measurement was observed at 15:00 on March 12th after venting to reduce the pressure levels…

その11_016

Fukushima Daiichi Unit 1 – March 12th, 2011 – After Explosion Destroyed the Reactor Building

At 15:36 JST on 12 March, there was an explosion in the reactor building at Unit 1 while employees and the contracted workers who were engaged in the water injection work were outside…

Enformable © 2014 All Rights Reserved