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Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 - April 20, 2011

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  • Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 - April 20, 2011

    Please see previous thread:

    Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 11 - March 16



    machine translation -

    Aims to recover the primary cooling
    4:01 am March 17 Japan time

    Nuclear power plant Fukushima Daiichi has remained a serious, if a state can not cool a pool of spent fuel of Unit 4 and the No. 3, followed by this state, broken exposed to fuel, radioactive It may leak to the outside material. The task force, the government aims to recover the cooling function as soon as possible and make the ground water discharge to the pool, we decided to speed up the measures.

    The Fukushima Daiichi Nuclear Power Station, 16, white smoke rises like a rocket around 3, TEPCO state and can not keep a cool pool of Unit 3 spent fuel, the water evaporates I suspect you are. Also, the No. 4, 15, there was an explosion in a building containing a pool of spent fuel, seen as is a similar situation with the No. 3, Nuclear and Industrial Safety Agency of the Ministry of Economy, the occurs when hydrogen is expected to hydrogen explosion. No. 4, especially with the exchange of nuclear equipment, because it contains all the fuel assemblies in the pool more than usual, a lot of heat, a problem of being easy to increase water temperature. Task force of government to continue to this state, broken exposed to the water and fuel, as sometimes it leaking to the external radioactive material mass, such as using water cannons of riot police, as early as we plan to discharge into the pool from 17 am Sun. Fukushima Daiichi nuclear power plant in a serious condition persists, continues to release of radioactive material, and cooling is an urgent recovery as soon as possible. On the other hand, even the No. 5 and No. 6 was being validated when the earthquake occurred regularly in the state can not store the fuel pool cooling, the temperature continues to rise. Of these, at No. 5 that stores the fuel of 946 is 63 degrees rising 5 degrees from the previous day temperature in the 16th, also at No. 6 are stored in the fuel of 876, four from the previous day was raised at 60 degrees. TEPCO, the same situation could end up as the No. 3 and No. 4 and the subsequent rise in temperature continues, has cooling and recovery 急Gitai.


    http://www3.nhk.or.jp/news/html/2011...727511000.html

  • #2
    Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

    machine translation -

    Speed ​​up the restoration of a primary external power supply

    3月17日 4時16分
    March 17 16:04 min


    Loss of cooling, which in deep water, in nuclear power plants Fukushima Daiichi is to revive an early feature cool the reactor, as it is necessary to recover the external power supply, TEPCO early even if in the morning of June 17, will begin to draw power plant transmission lines.


    The primary Fukushima Daiichi, in addition to power outages caused by the earthquake, faulty power generator emergency in the tsunami, and 送Renaku electricity, such as losing the ability to cool the reactor in the No. 3 from No. 1, suffering from serious I. TEPCO is promoting measures such as the water into the reactor using a pump trucks, is limited in its ability to recover the situation is far from cooling.



    Toukyoudenryoku For this reason, the capability to recover quickly cool the reactor, as it is necessary to recover the external power supply is getting ready to pull the transmission line from the premises through a near primary high voltage transmission lines .


    Work, such as temporary power distribution board that connects power lines, was scheduled to start from 16th spot a high radiation dose could not be implemented. The primary Fukushima Daiichi, from the loss of cooling, the reactors we have 06 already, and leaking to the outside of radioactive material is damaged portion of the fuel, making the situation not waste any time . TEPCO, in order to reduce exposure, and to review procedures, has also decided to begin as early as 17th in the morning.

    http://www3.nhk.or.jp/news/html/2011...727501000.html

    Comment


    • #3
      Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

      machine translation -

      Regulatory activities of U.S. forces within 90 kilometers
      4:16 am March 17

      The U.S. Department of Defense, the U.S. Army for relief activities in the Great Kanto Earthquake that northeast 90 km radius of a region of Fukushima Daiichi Nuclear Power Station has revealed a policy principle, the suspension of activities.

      U.S. forces in affected areas around the nuclear aircraft carrier "Ronald Reagan", including the dispatch vessels to 15 vessels, Pentagon deputy spokesman Lappin, 16, "have problems from the power plant within 90 km radius in the region, decided to do normal activities the U.S. military, "he said. The regulation of these activities, while they avoid the exposure of soldiers, if necessary, could also mean that if you work in obtaining the license within 90 km from superiors, in that case against soldiers, trying to pre-dose of potassium iodide tablets to reduce symptoms of exposure. In addition, the deputy press secretary Lappin, although contaminated with radioactive material in low-level crew of some of the helicopter hit the rescue operation, the entire American military influence is not as out and regulate this activity will necessarily match explained that the precaution to make sure. A series of problems over the Fukushima Daiichi Nuclear Power Station, U.S. forces in response to requests from the Japanese government, in addition to two fire engines were sent so far in preparation for sending the local equipment such as pumps and hoses is that it is working well.

      http://www3.nhk.or.jp/news/html/2011...727741000.html

      Comment


      • #4
        Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

        [4:25 p.m. ET Wednesday, 5:25 a.m. Thursday in Tokyo] A spent fuel pool at Japan's stricken Fukushima Daiichi nuclear plant is dry, resulting in "extremely high" radiation levels, the head of the U.S. Nuclear Regulatory Commission said Wednesday.
        "What we believe at this time is that there has been a hydrogen explosion in this unit due to an uncovering of the fuel in the fuel pool," Gregory Jaczko told a House energy and commerce subcommittee hearing. "We believe that secondary containment has been destroyed and there is no water in the spent fuel pool, and we believe that radiation levels are extremely high, which could possibly impact the ability to take corrective measures."

        http://news.blogs.cnn.com/2011/03/16...ch-more-areas/
        http://novel-infectious-diseases.blogspot.com/

        Comment


        • #5
          Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

          http://www.criirad.org/actualites/do...eurs-japon.pdf

          list of nuclear plants in Japan

          the fifth column give the power in MEV..
          I dont know what is type : BWR or PWR

          Comment


          • #6
            Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

            Originally posted by Laidback Al View Post
            [4:25 p.m. ET Wednesday, 5:25 a.m. Thursday in Tokyo] A spent fuel pool at Japan's stricken Fukushima Daiichi nuclear plant is dry, resulting in "extremely high" radiation levels, the head of the U.S. Nuclear Regulatory Commission said Wednesday.
            "What we believe at this time is that there has been a hydrogen explosion in this unit due to an uncovering of the fuel in the fuel pool," Gregory Jaczko told a House energy and commerce subcommittee hearing. "We believe that secondary containment has been destroyed and there is no water in the spent fuel pool, and we believe that radiation levels are extremely high, which could possibly impact the ability to take corrective measures."

            http://news.blogs.cnn.com/2011/03/16...ch-more-areas/

            Thanks Al. We have established a new forum:

            US Nuclear Regulatory Commission (NRC)


            In this forum we will place all official notices from the NRC.

            "..the NRC believes it is appropriate for U.S. residents within 50 miles of the Fukushima reactors to evacuate..."

            http://www.flutrackers.com/forum/sho...676#post399676

            Comment


            • #7
              Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

              Nikake northwest wind around 18 primary

              6:
              29 minutes on March 17 at 6:00

              Around the Fukushima Daiichi Nuclear Power Station, the pressure pattern of wintry effect, is expected to wind blowing from the northwest toward the southeast side of the sea shore during the day until the 18th.

              According to the agency, in the vicinity of nuclear power plants Fukushima Daiichi is entering the observation data after the earthquake, but continues to be unobservable and the wind strength and wind direction, south from nuclear power plants Fukushima Daiichi Yamada Nakoso in Iwaki City of more than 60 km away, the wind is blowing north-northwest at 6 am on a 17-meter.
              Also in the vicinity of nuclear power plants has been observed that the wind is blowing toward the southeast from the northwest side of the ocean landward.

              The pressure pattern of wintry effect, is seen as wind blowing from northwest to southeast during the day through 18 days and then is expected to gradually turn into the wind from the south.


              http://www3.nhk.or.jp/news/html/2011...728061000.html

              Comment


              • #8
                Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                machine translation -

                Check the form of a second nuclear power plant steam
                8:04 am 17

                NHK helicopter at around 7:30 am March 17, was taken from the air or more away, 30 km from a nuclear power plant Fukushima Daiichi, No. 3 and the No. 2, is confirmed like white steam in the No. 4 it Mashita.

                Among them, No. 3 冷Yasenaku pool has become significantly damaged a building containing a fuel explosion, the rise of extensively white steam like, how will you ensure that the wind from the west . Moreover, as the No. 3, No. 4 Bars 冷Yasenaku pool containing fuel, part is seen to have damaged the side of the south side of the building, occasionally they raised some kind of white steam Mashita. Moreover, even No. 2, to understand that the kind of steam rose up from the west side of the building facing the sea, where the steam out like, but clearly can not be verified, the west side of the building could have expected to be out of the damaged parts.

                http://www3.nhk.or.jp/news/html/2011...728311000.html

                Comment


                • #9
                  Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                  The Fukushima Daiichi nuclear plant's operator says it is nearing completion on a new power line to the complex that would revive electric-powered pumps, allowing officials to maintain a steady water supply to troubled reactors and spent fuel pools.
                  http://www.latimes.com/news/nationwo...tory?track=rss

                  Comment


                  • #10
                    Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                    latest wind data:

                    surface:

                    surface winds.gif

                    jet stream (18Z 16 Mar):

                    jet stream.JPG

                    .
                    "The next major advancement in the health of American people will be determined by what the individual is willing to do for himself"-- John Knowles, Former President of the Rockefeller Foundation

                    Comment


                    • #11
                      Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                      The jet stream hasn't quite reached Dutch Harbor - where the EPA is placing new radiation monitors by the end of the week.

                      .
                      "The next major advancement in the health of American people will be determined by what the individual is willing to do for himself"-- John Knowles, Former President of the Rockefeller Foundation

                      Comment


                      • #12
                        Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                        Originally posted by sharon sanders View Post
                        machine translation -

                        Regulatory activities of U.S. forces within 90 kilometers
                        4:16 am March 17

                        The U.S. Department of Defense, the U.S. Army for relief activities in the Great Kanto Earthquake that northeast 90 km radius of a region of Fukushima Daiichi Nuclear Power Station has revealed a policy principle, the suspension of activities.

                        U.S. forces in affected areas around the nuclear aircraft carrier "Ronald Reagan", including the dispatch vessels to 15 vessels, Pentagon deputy spokesman Lappin, 16, "have problems from the power plant within 90 km radius in the region, decided to do normal activities the U.S. military, "he said. The regulation of these activities, while they avoid the exposure of soldiers, if necessary, could also mean that if you work in obtaining the license within 90 km from superiors, in that case against soldiers, trying to pre-dose of potassium iodide tablets to reduce symptoms of exposure. In addition, the deputy press secretary Lappin, although contaminated with radioactive material in low-level crew of some of the helicopter hit the rescue operation, the entire American military influence is not as out and regulate this activity will necessarily match explained that the precaution to make sure. A series of problems over the Fukushima Daiichi Nuclear Power Station, U.S. forces in response to requests from the Japanese government, in addition to two fire engines were sent so far in preparation for sending the local equipment such as pumps and hoses is that it is working well.

                        http://www3.nhk.or.jp/news/html/2011...727741000.html
                        This may be related:

                        U.S. breaks from Japan, expands evacuation zone near stricken reactors


                        Washington (CNN) -- The United States dramatically expanded its evacuation warnings near the troubled Japanese nuclear reactors Wednesday, telling Americans to get at least 50 miles away.

                        The earlier recommendation from both the U.S. and Japanese governments was to stay 12 miles away or to take shelter indoors if evacuation was not possible within an 18-mile radius.

                        The U.S. change came Wednesday afternoon in Washington but in the middle of the night in Tokyo. It was the first time since the March 11 earthquake and tsunami in Japan triggered the nuclear crisis that the United States and Japanese governments have differed on advising what their citizens should do.

                        Before Wednesday, the United States had urged American citizens in Japan to follow the recommendations of the Japanese government.

                        The new U.S. recommendation "suggests that the advice the Japanese government is giving based on the information it has is different than the advice we'd be giving if this incident happened in the United States," White House spokesman Jay Carney told reporters in Washington.

                        "Their standards are different from ours based on how far you should evacuate," he said, calling the situation in Japan "very fluid."

                        State Department spokesman Mark Toner echoed Carney, saying that the United States has confidence in Japanese authorities but wanted to put out the new information about the crisis based on the evaluation of U.S. experts and what they would propose in a similar crisis inside the United States.

                        "This is not any kind of judgment on what the Japanese authorities are telling their public," Toner said at a mid-afternoon briefing at the State Department. "This is based on what we would advise American citizens here to do in a similar situation. So we are compelled based on that estimate, based on that appraisal, to advise American citizens in Japan to do the same. '

                        The decision on widening the exclusion area lagged behind the U.S. military, which had kept military personnel from operating within 50 miles of the damaged nuclear plant "days ago," according to Pentagon spokesman Col. Dave Lapan. State Department officials could not explain why the military was concerned about U.S. military operating in the area but the State Department did not feel a need to warn American citizens until early Thursday in Japan.

                        Read more at:
                        http://edition.cnn.com/2011/POLITICS...an.evacuation/
                        "The next major advancement in the health of American people will be determined by what the individual is willing to do for himself"-- John Knowles, Former President of the Rockefeller Foundation

                        Comment


                        • #13
                          Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                          machine translation -


                          Self-Defense Forces from land and air to the cooling unit 3
                          44 min 17 8:00 3 twitter tweet in (click on the site leaves the NHK)

                          SDF has received a request from the headquarters of the government falls on a working cooling Unit 3 nuclear power plant Fukushima Daiichi, and send over a helicopter in order to perform discharge from ground fire of the SDF in Japan I let the car headed to the site. Self-Defense Forces, in addition to measuring the radiation dose around the primary air, to be conclusively determine whether or not to perform the work.

                          http://www3.nhk.or.jp/news/html/2011...728561000.html

                          Comment


                          • #14
                            Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                            machine translation -

                            Cooling machine to work with the No. 3 No. 4

                            9:41 March 17

                            Nuclear power plant first Fukushima, if state can not cooling pool storage of spent fuel of Unit 4 and the No. 3, followed by this state, because there is a leak outside the radioactive material Self-Defense Forces and police, at the request of the government's headquarters, in a hurry to do to prepare for discharge from water cannons on the ground and from helicopters in the sky.

                            Of these, near the Unit 3 nuclear power plant first Fukushima, rises like a white smoke, state and can not cool a pool to store spent fuel, they believed that the evaporation of water Masu. Also, No. 4, as well as generated a series of fires during the 16 days from 15 days, and found that the rising temperature of the pool for storage was put nuclear fuel, this condition is both No. 4 and the No. 3 And if this continues, fuel is melted and is that likely to occur or hydrogen. Therefore, the government task force has been asked to work on cooling the SDF and police. Among them, the SDF for the dropping water from helicopters into the No. 3 was abandoned in the 16th, now measure the radiation dose over the "monitoring" the GSDF to UH60 helicopter left about 20 km from the primary TEPCO experts put the bases of the SDF mission was established or where is that headed to the site. The Ground Self-Defense 7.5 vessel equipped with tons of water can be dropped and we headed to the site CH47 aircraft already two helicopters, the SDF is based on local weather conditions and the radiation dose, whether to carry out bombing to conclusively determine that. In addition, the new Unit 3, decided to do from the ground water discharge, we have 11 units of fire trucks headed to the local garrison of the pressure of the SDF from the country. Meanwhile, No. 4, which was to be cool in the pool water into the No. 4 from the ground using special police water cannons can discharge water at a pressure of a powerful "high-pressure water cannons "I was dispatched to tell the police holding riot. For Unit 4, has been considering putting in a pool of water from the air using a helicopter, how to put water by water cannons on the side walls of the building, is believed to have considered more effective . The riot police, wearing protective clothing borrowed from the SDF is that it took a hit Ue work in a safe distance while measuring the radiation dose. The SDF and the police as soon as ready, we can begin to discharge.

                            http://www3.nhk.or.jp/news/html/2011...729651000.html

                            Comment


                            • #15
                              Re: Japan - Fukushima Daiichi Nuclear Power Plant Crisis - Units 1 - 6 Reports, News, Graphics - March 17 +

                              machine translation -

                              Self-Defense Force helicopter to the Unit 3 discharge Hazime Hiraku

                              3月17日 9:53
                              on March 17 at 9:00 Response to a request from the government headquarters, the SDF, 17 before 10 am, helicopters began dropping water on the No. 3 from the Fukushima Daiichi Nuclear Power Station.

                              http://www3.nhk.or.jp/news/html/2011...729861000.html

                              Comment

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