Video shows steel beam landed on fuel racks in Fukushima No. 3 pool -Report

Published: September 28th, 2012 at 12:18 pm ET
By
Email Article Email Article
16 comments


Follow-up to: Tepco says fuel assemblies could be damaged if hit by heavy object -- Unable to locate beam in pool? (VIDEO)

Title: Dealing with debris at Fukushima Daiichi 3
Source: World Nuclear News (WNN is supported administratively and with technical advice by the World Nuclear Association”; The WNA is “supporting a fast-globalizing nuclear industry”)
Date: Sept 28, 2012 at 11:00a ET

An incident occurred in the course of the work on 22 September when a truss about seven metres long and weighing about 470 kilograms slipped into the fuel pond during remote cutting and handling.

Tepco said that efforts to remove a truss near the pond had been halted when the contractor carrying out the work realised it was connected to other adjacent pieces of steel which could not be cut. Tepco noticed that the truss had moved into an unstable position, with half of it already the fuel pond. It was decided to lift the piece away, but the tips of hydraulic forks touched the piece and it slipped all the way into the pond.

An underwater video inspection on 25 September showed the beam lying on top of dust-covered fuel racks having caused no apparent damage.

Watch the video here

Published: September 28th, 2012 at 12:18 pm ET
By
Email Article Email Article
16 comments

Related Posts

  1. Kyodo: Steel beam removed from Fukushima plant’s No. 3 pool after falling on fuel racks — Another steel beam found soon after (PHOTOS) December 20, 2012
  2. Japan TV: Steel beam found next to fuel rod assemblies in Fukushima fuel pool — Tepco raises possibility of damage (VIDEO) September 25, 2012
  3. New images of fallen steel beam atop fuel assemblies in Unit 3 pool — Handles covered in debris, barely visible (PHOTOS) October 5, 2012
  4. Watch: Clear footage of crane pushing half-ton steel beam into Fukushima No. 3 Spent Fuel Pool (VIDEO) September 24, 2012
  5. 25-foot-long metal beam drops into Reactor No. 3 pool at Fukushima — Not clear if any fuel rods have broken — Could further complicate removal efforts (VIDEO) September 22, 2012

16 comments to Video shows steel beam landed on fuel racks in Fukushima No. 3 pool -Report

  • FukuYou FukuYou

    I'm sure everything will be fine.


    Report comment

  • PhilipUpNorth PhilipUpNorth

    Here is the point: Sure, let's remove debris from the reactor ruins. Sure, let's remove fuel bundles from the SFPs. But let's keep this clearly in mind: Under Fukushima, down in mudrock and ground water, are three out of control coriums, each between 65 and 100 tons, each the size of a bus. It is these 3 coriums which continue to fission, sputter, flare, burn, smoke, and steam. ENEnewsers monitor the smoke and steam on a daily basis. The vapors emitted by Fukushima circle the Earth every 40 days. They are killing Japan, and are weakening and mutating the human race. The ground water flowing into the Pacific Ocean after touching the corium is killing the Pacific Ocean, destroying the Pacific seafood industry.

    There is no Plan for dealing with corium. There is no human technology that can deal with it. Workers can't even get near the residue of corium that is left in and around the Buildings. The human race must quickly design technologies to control and "decommission" the three Rogue Nuclear Plants operating without human control in the mudrock and ground water under Fukushima. And we had better have a world effort on this one. We had better get on this quick, or Fuku will destroy the world economy.


    Report comment

    • moonshellblue moonshellblue

      Philip, Well stated. I don't understand why many thousands of workers did not attack these meltdowns akin to Chernobyl thus digging trenches,pouring concrete, zeolite, whatever to reduce contamination. Perhaps I'm missing some info but it doesn't seem like much has been done to prevent the contamination of the Pacific ocean, the bread basket. Where is the global community, NRC, IAEA, WHO, I know they are all pro-nuke which you assume would motivate them to contain this mess not to mention the dire circumstances of letting the corium masses run unabated. Now we have Super Typhoon Jelewat heading for Japan this weekend although they claim it will only be a tropical storm when it hits the mainland. I hope this is the case as currently this is a massive Typhoon.


      Report comment

    • TerraHertz TerraHertz

      I completely agree. All TEPCO's efforts at present are attempts to deal with peripheral problems – wreckage clearance and the #4 SFP. Because they simply have no idea what to do about the primary threat – the coriums from #1, 2 and 3 still burrowing into the ground.

      This disaster demands a level of human response far beyond what TEPCO is capable of. TEPCO's limits are financial, cognitive and moral – they can't comprehend what has happened, can't afford to even try to respond appropriately, and can't bring themselves to be honest about the disaster and their part in causing it.

      TEPCO must stand aside. There must be an international effort, and one that dwarfs any previous project in human history.

      It's clearly an issue of survival of the human race, and possibly the entire ecosystem of Earth. If TEPCO and the Japanese government won't recognize this and ask for help, they are just going to have to be forced. They have no right to impose 'death by incompetence' on the whole world.


      Report comment

  • PhilipUpNorth PhilipUpNorth

    Fukushima Grand Design. The human race has only a short time to address the fact that 3+ Chernobyl-class disasters have occurred in Fukushima at the same time. (This doesn't even cover the problem of SFP4, or the considerable contamination that has been spread from the fires in SFP4). Millions face death, just in Japan, from cancers that are already growing in their thyroids, lungs, and intestines. There may be a billion or more deaths worldwide if we continue not to deal effectively with Fukushima. Believe me, TEPCO's response to the situation thus far has been a joke. More designed to keep expenses low then to deal with the disaster. (End rant)
    Here are my initial thoughts for the Fukushima Grand Design:
    1. Heat Sink: The 3 Rogue Nuclear Reactors located in the mudrock and ground water under Buildings 1,2,&3 at Fukushima must be cooled by water for hundreds of years. For this purpose, install a cofferdam entirely around the existing Fukushima NPP harbor. The cofferdam should be 100' deep, and perhaps extend 10'-20' above sea level. They may want to install an openable gate to allow ship and barge access to the harbor.
    2. Cofferdam and Well Project: Abandon this project as unworkable. Install no cofferdam along the inner wall of the harbor, as was planned. Ground water will be allowed to drain into the harbor.
    3. Dredge the inner harbor to the depth necessary to supply cooling water continuously to the 3 Rogue Nuclear Reactors as a heat sink.


    Report comment

    • PhilipUpNorth PhilipUpNorth

      4. Install Pumps and Pipes: Run pipes from harbor floor to Injection Wells located uphill from the Fuku Ruins. These wells will replace the hot water draining into the harbor with cool water from the harbor floor.
      5. Design these pumping systems to operate with tidal, wind, or solar power, in such a way that circulation can continue without human action indefinitely. (Just in case you have completely screwed up the human genome.)
      6. Build Sarcophagus. Build a concrete and steel-reinforced containment Sarcophagus over Buildings1,2,&3. Use rubber sheets to contain outgassing.
      7. Vent Sarcophagus. Install a vent system for the sarcophagus that will intercept radioactive contaminates as they exit the Sarcophagus. These effluents can be decomtaminated before release.

      Common. Really? Is there nobody else here even thinking about the solution to this calamity?


      Report comment

      • PhilipUpNorth PhilipUpNorth

        Fukushima Grand Design (addendum):

        3.A. Build a cofferdam uphill from Fuku NPPs 1-3 to a depth of 100' in order to divert ground water around the plant. Channel this water directly into the Pacific Ocean.


        Report comment

        • PhilipUpNorth PhilipUpNorth

          So here is the challenge, ENEnews: What is Our Plan to deal with Fukushima? Will WE deal with Fukushima, or will we allow Fukushima to deal with US? If nobody else (the nuclear industry and nuclear proponents) understand the problem, nor suggests any solutions, isn't it our responsibility to come up with solutions to the Fuku mess?


          Report comment

      • razzz razzz

        PhilipUpNorth: You just don't get it do you? Or you are having a hard time dealing with it.

        Even if the melted blobs were still sitting on concrete (not melted through to bare earth), fresh or saltwater intrusion either inflows or outflows can't be contained whether it is from cracks in concrete floors and/or walls leading to natural earth or cooling water overflowing its containment flowing to the sea.

        Even if you contain or trap the leaks and overflows, where are you going to store all the contaminated water (and soil and debris) as it irradiates everything it comes in contact with?

        If the melted blobs are running free, same problems.

        Even the man made harbor, there, is already contaminated. The whole Fukushima I site becoming unworkable because it is to 'hot' would be the worst case scenario.

        You pretty much have to let the contamination and fallout flow and blow away until at least the fuel pool are emptied, there is really no other choice. Maybe work faster is the only option before the next quake hits.


        Report comment

        • Anthony Anthony

          I think Phil gets it but doesn't like and accept it. Hes a problem solver Id feel good knowing was actually in Japan helping fix this situation.


          Report comment

        • PhilipUpNorth PhilipUpNorth

          razzz:
          No, razzz, I get it ENTIRELY. Stop ground water from entering Fuku. Divert the ground water around Fuku and into the Ocean. CIRCULATE cooling water out of the ENCLOSED HARBOR to CORIUMS1,2,&3, and back into the ENCLOSED HARBOR for cooling. ANY outflow from the site is decontaminated. The only contamination out of Fuku is from steam or smoke out of the ground or out of the ruins of the buildings, and into the air. Which is a small fraction of what is coming out of Fukushima and which is destroying the entire Pacific Ocean right now.

          This is my last word on this subject for the weekend. I have other things to do.


          Report comment

  • TheBigPicture TheBigPicture

    Sacrificing Japan, and making the northern hemisphere sick.


    Report comment

  • razzz razzz

    Continued recirculating of cooling water, without filtering, will cause the cooling water to become unstable (overly radioactive) as it acquires more and more radionuclides passing anywhere near the melted cores.

    So they try to filter out what they can with their makeshift filtering setup. The filters become radioactive and therefore radioactive waste to be dealt with (buried, burned, stored). Excess contaminated water or concentrated radioactive water goes the tank farm for storage, which by the way is almost at capacity again. The entire tanks farm is going to be radioactive waste that will have to be dealt with later on, that includes the tanks themselves, plumbing, hose lines, etc.

    Not much choice with excess contaminate cooling water but to send that water to the sea and hope for dilution.

    Sorry to say, higher priorities concerning spent fuel ponds comes first or injecting nitrogen and boron to keep the melted cores under control, wherever they might be.

    The whole situation sucks I know but Japan being earthquake central, what can you do except not build nuke plants there in the first place. Japan's answer to all this is, "Start them back up."


    Report comment

    • pierre

      at the rate it's going, and with other disasters on the planet, it's going to be easier to make a dome over the human habitats rather than domes over the disaster areas, like the Logan's Run movie.


      Report comment