Here's what it was like inside the Control Room at Fukushima Daiichi:
Testimony by workers on the site of stricken Fukushima I NPS
"The moment I entered the reactor building, the soles of my shoes melted."The Demki Shimbun
Nov. 15, 2011
Some statements are coming out from workers who tried to deal with the disaster at the Fukushima I nuclear power station (NPS) immediately after its occurrence. Zengo Aizawa, executive vice-president of Tokyo Electric Power Co., Inc. (TEPCO), disclosed them at a symposium held at the University of Tokyo on November 4. This testimony by on-site workers was the first to be disclosed, and threw the emergency response efforts under harsh conditions into sharp relief.
The workers stayed in the main control room and tried to get instrumentation back into operation by putting together batteries from the cars they used for commuting (photo courtesy of TEPCO).
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Because the system for pumping water into the reactor was also unavailable, TEPCO began using an alternative pump, but the plant continued to experience big aftershocks. One other worker remarked that every time they felt a big aftershock, the crew ran as fast as they could to high ground without removing the masks that covered the whole face.
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In units 1-3, crews decided to vent radioactive steam by opening a containment vessel valve. Ordinarily, such venting can be done by manipulation from inside the main control room. But because the plant had lost all power, workers had to go to the site and operate the valve by hand. The reactor was at high temperatures because of the exposure of the fuel rods. The incredible heat was underscored by one worker, who said that, when he set a foot on the torus (scaffolding) inside the reactor building, the soles of his shoes instantly melted.
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http://www.shimbun.denki.or.jp/en/news/20111115_01.html While the owners and top management are less than nothings, the team on the scene are heroes.
Press gain access to Fukushima plant
Media get firsthand look at devastation caused by tsunami, hydrogen blasts Koichi Yasuda / Yomiuri Shimbun Staff Writer
(Nov. 15, 2011)
FUKUSHIMA--Reactor buildings ripped apart by explosions at the Fukushima No. 1 nuclear power plant. Facilities severely damaged by the March 11 tsumani. As a member of the press, I saw the crippled facilities firsthand on Saturday while battling my own fears of high radiation exposure.
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We had to wear the masks to prevent internal radiation exposure, but I had difficulty breathing because the mask stuck to my face every time I inhaled. I imagined it would be quite hard to work in this clothing.
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The No. 3 reactor building was hit by hydrogen explosions on March 14, and it is believed that hydrogen from the site also caused an explosion at the No. 4 reactor building.
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Goshi Hosono, state minister in charge of the nuclear crisis, was on the press tour. "We've made it to this stage thanks to the great efforts the workers have made," he said to officials at the main building. "Let's achieve Step 2 by the end of the year," he added, referring to the stage stipulated in the road map TEPCO and the government compiled, whose targets include the cold shutdown of reactors.
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http://www.yomiuri.co.jp/dy/national/T111114005778.htm Two important points to consider: First, TEPCO is trying to make the case to reporters and the world that it was the tsunami -- not the earthquake -- that caused the disaster. Perhaps it has something to do with their liability, although I don't know why since they were warned years ago about both possibilities. Second, TEPCO and the Government of Japan are trying to sell the idea that all the explosions were caused by leaking hydrogen.
Arnie Gundersen believes it's possible the explosion at Reactor #3 was caused by the overheated fuel pool -- the one that contained spent MOX and its plutonium. If the fuel did go critical and explode, it's likely many more ears would prick up and take notice to the continuing nuclear danger.