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Friday, 3 June 2011

Nuclear Sanity, Nuclear Insanity, Fukushima, and the NRC

Posted on 15:02 by Unknown
It has been nearly three months since the beginning of the Fukushima Daiichi Accident, which itself properly cannot be defined as being 'over' and in fact now is proving to be an affair as protracted as anyone familiar with such scenarios (all of which have until now been only theorized) might have imagined. While the struggle to perform many crucial tasks continues on site, another struggle rages on all around the world; that struggle is for the majority opinion regarding nuclear energy.

In some places, there has been a media fueled knee-jerk anti-nuclear response the like of which has not been seen before. Witness Germany, which has announced its plans to rid itself of nuclear energy by the year 2022. While there are numerous theories about many political motivations for this plan... which is actually a revived plan temporarily stalled by Angela Merkel, who now supports it ... the fact of the matter is that it is being hailed in some quarters as indicative of that attitude which all environmentally responsible persons should strive to adopt. Italy has announced as well (some time ago, actually) that it will no longer pursue nuclear energy. Switzerland also will follow.

On the other hand, in some places the nuclear energy aspirations continue exactly as before with no change. Witness Saudi Arabia's just-announced plan to have 16 plants on its grid by the year 2030. Economic reasoning, not environmental hyperbole, is the driving factor behind this program.

Somewhere in the center, in a much more nebulous position, is the United States. The USA has no central nuclear energy policy, and has had none for decades. After it became perceived generally that the Atomic Energy Commission was in an all too powerful a position vis a vis nuclear energy, given its mandate to regulate but also its mandate to promote, and seeing that the NEPA did not have entirely the desired effect, the Congress abolished the AEC in 1974, assigning its duties to an office which now is part of the Department of Energy (the promotional and research duties) and to the newly formed Nuclear Regulatory Commission (the licensing, oversight / regulatory, and punitive duties.) At that point, with environmentalism newly developing, the Congress essentially set up a department that was as powerful in an anti-nuclear sense (the NRC) as the AEC had ever been in a pro-nuclear sense.

Following this, the only body in the country that was part of the government and which could be considered as pro-nuclear was the Joint Committee on Atomic Energy, or the JCAE. After the JCAE fought on by itself with some limits (it also lost some powers in 1974) it finally fought its last after heavily promoting the Clinch River Breeder Project (an attempt to improve the fuel cycle economics of nuclear energy) among other things, and was disbanded by Congress in 1977. Its duties were spread around to roughly 24 different subcommittees.

At this point -- 1977's disbanding of the JCAE -- pro-nuclear forces in this country no longer had any hope of centralized support from the federal government, and this was absolutely deliberate. Instead, the reverse has been seen; as pointed out recently by Rod Adams, the NRC has never in its existence received an initial application for a nuclear plant, processed it, granted licenses and then seen that plant given an operating license. To be clear, the approval rate for new plants start to finish then for the NRC is ZERO; all plants ordered after formation of the NRC were cancelled. No agency or committee could be thought of then as being more obstructionist than the NRC, whose job very clearly would, given its track record, seem to be to prevent the construction of any further nuclear plants in the United States.

Recently, over the last two years, there has been a growing surge toward new nuclear plants in the USA; many including this author call this the Nuclear Renaissance. Much of the attention was given to the Westinghouse AP1000 plant as a leader in the new generation of plants, but recently some very suspicious "whistle blower" letters to the NRC caused a very public negative statement about the AP1000 and Westinghouse in general to be released. To its credit, Westinghouse responded strongly (but calmly) and publicly to this almost unprecedented NRC action.

Further, the NRC has not only issued a number of statements (and its officials have been quoted in the press) along the line that Fukushima Daiichi means we must review all plants in the United States for safety but now has released a statement indicating that there have been indications to the NRC that it is "too lax" in regulating, and this is why the new tough stance.

Let me be clear: This is a "straw man." There are no such statements. No one can possibly think for one moment that the NRC -- with a zero order-to-on-the-grid approval rating -- is too lax. The NRC is in fact quite the opposite. Its chairman, Gregory Jaczko, is not in the position he is in because he is an experienced nuclear engineer or plant operator; he is neither. It would seem that he is there because he is anti-nuclear in point of fact.

Taking all of the above into account, I now get to the heart of the matter at hand; what then is the nuclear industry as a whole, and the mass of pro-nuclear advocates to do with the NRC? Surely the NRC cannot be imagined to be PRO-nuclear at any point since clearly its duties were set up from the first to be ANTI-nuclear. Surely with appointments of anti-nuclear persons to the NRC in high places it cannot be assumed that the NRC will support, much less befriend, anyone pro-nuclear.

The plain fact of the matter is that it is vitally important that the NRC only regulate plants, provide oversight, and not have any input from any political agendas. In order that this be possible, it is essential that all of the most senior persons in the NRC have serious experience in the nuclear energy field. There is no excuse why a governmental regulatory body such as the NRC should be staffed with politically chosen appointees instead of people accomplished in, and recognized in, the field. This must be pursued.

Since this is not likely ever to happen, it then becomes essential that the pro-nuclear groups (and that can mean everyone from the large trade groups to the individual bloggers and authors) call the NRC on every politically motivated action it takes, and on every obstructionist action it leverages. It is also vital that "straw man" arguments (indicating that there is some sentiment when there is not, some statement when there is not, some accusation when there is not) be rightly identified and exposed for what they really are.

It is also essential that the NRC's gross exaggerations about supposed lapses in judgement, incapabilities of analysis, and errors in calculation by reactor vendors, architect-engineers, utilities and contractors be spotlighted for what they are.

The agency that pro-nuclear advocates need to encourage to be more vocal, more involved, and better covered in the big media really is the Department of Energy's Office of Nuclear Energy. This is the lineal descendant of the section of the AEC that got divided off into what originally in 1974 was called the ERDA or Energy Research and Development Administration. What, you say? Never heard of it? Many have not, but it has a rather elaborate website here:

DOE Office of Nuclear Energy

Of course, 'big media' will never report on items seen in this agency's reports. They're sensible, and not panicked hyperbole. One of the reports of interest at this agency's site covers the ability to manufacture forgings of the size needed for Gen III nuclear plants.. and how we don't have that capability here in the United States. (We can still make forgings large enough for plants the size that we have now, if needed.) A number of interesting reports on development in, and the future of, nuclear energy are available at the site. Nowhere near what is at the NRC site in a negative sense, but significant in a positive sense even if small.

In the final analysis, we must see in this country that since the only presently operating and involved and vocal and publicly seen body is the anti-nuclear NRC, the chips overall in the nuclear future of our country may well fall more to the states and ongoing problems at some plants (Vermont Yankee) or the economic promises of others (Vogtle.) We know one thing; the environmentalists have no easy ground to walk, given reports such as this seen on Reuters:

40 million tonnes more CO2 per year when Germany goes non-nuclear

They cannot have their cake and eat it too. Other forms of energy cannot ever economically provide base load power like nuclear energy can, and all the figures point to that. The recent push back against the economics of nuclear energy and our growing need worldwide for electricity is purely driven by unrealistic fear of nuclear accident, specifically because of Fukushima Daiichi. The environmentalists must now either as a result backtrack on their decades of global warming diatribes if they are to allow wholesale shutdown of nuclear (recently one of their darlings, now a stepchild again) or else become better informed about the actual safety of nuclear energy if global warming is to be averted. It seems at the moment that the NRC is acting as their lap dog, which is unfortunate at best and diabolical at worst.

As pro-nuclear advocates go, we may find ourselves at a watershed moment when nuclear literacy is in demand, when the NRC is being exposed for what it really is, when the NRC and the EPA might actually be thought of as being at odds (given the CO2 emissions that will increase if nuclear is abandoned) and when little media such as the blog you are reading is getting 1200 page views a day from all around the world, or better. At the surface it seems a bad moment for pro-nuclear advocacy but in point of fact there may be no better hour to act boldly, with confidence that what the public really wants is the truth, and results.. something the EPA, global warming advocates, and the NRC cannot hope to produce.

7:10 PM Eastern Friday June 3, 2011
ATOMIC POWER REVIEW

Note: Fukushima Daiichi update to come later this evening.
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Wednesday, 1 June 2011

IAEA Initial Report - June 1

Posted on 07:55 by Unknown
A short while back, TEPCO released a press photo of the IAEA inspection team on site at Fukushima Daiichi. This team also visited Fukushima Daini, and the Japan Atomic Power Company's Tokai NPP site which includes the shut down gas-cooled No. 1 and BWR Tokai No. 2.

The IAEA has, today, released a preliminary report on the visit. It has been sufficiently long now after the initial earthquake, tsunami and accident initiation that valid reports covering areas of interest and concern will appear and this report is among the very first. Link to this report is below.

IAEA INITIAL REPORT FUKUSHIMA DAIICHI, DAINI (TEPCO) AND TOKAI (JAPCO)

11:00 AM Eastern Wednesday June 1
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Fukushima Daiichi update June 1st

Posted on 05:20 by Unknown
There are a number of updates from the Fukushima Daiichi site to relate. None serious, but several noteworthy ... if only due to their being carried by major media outlets. We'll relate these things and put them in perspective.

-Radiation levels in the seawater outside the No. 1 through No. 4 plants have gone up somewhat in recent days, and water levels in the turbine buildings have been reported as rising faster. There is a typhoon in the vicinity which has been causing a lot of rain (as viewers of the Fukuichi camera and its predecessor can also assert) and it's speculated that this is one major cause for spikes in readings of some isotopes immediately offshore. As a response to this, and further as a hedge against the threat of running out of temporary contaminated water storage capacity, TEPCO is going to quickly install a filtration system for water in the area outside No. 1 through No. 4 plant seawater inlet gates, which is all inside the silt fences previously installed. Below is a TEPCO press release illustration showing one of the filtration tank units (supplied by Toshiba) and the general expected setup.

And just in, off the TEPCO wires.... this view taken today of one of the tanks actually installed and connected:


-Injection rates at the three reactor plants with cores installed continue to be decreased by TEPCO, as TEPCO both transitions over from the use of firefighting supply lines to the feedwater lines, and attempts to optimize injection rate to only that required for safe cooling to reduce water buildup in the reactor and turbine buildings. No. 1 plant is now at 5 cubic meters per hour, while No. 2 is at 4.9 cubic meters per hour; both are operating with injection only on the feed line. No. 3 plant is also only on the feed line and now is down to 11.5 cubic meters per hour. Temperatures at all three plants are slowly lowering as of now; readers are referred to the decay heat graph posted on this blog a few days back for comparison of the inferred heat generation decrease over time with the lowering cooling water injection rates.

-Remotely controlled construction equipment accidentally damaged an oxygen storage cylinder in the vicinity of No. 4 plant the day before yesterday. No one was injured; incredibly, there are still images floating around the net from the new Fukuichi 24-hour onsite camera that show the blast. Dramatic, if small, the blast caused no damage which has been reported by TEPCO or its contractors.

-There is a report circulating that while TEPCO told the Japanese Government that it had suspended seawater injection to the core of No. 1 plant at Fukushima Daiichi in the serious hours immediately after the typhoon, an on-site supervisor in fact made certain that seawater injection continued uninterrupted. (Government permission was required for this step, and there was uncertainty about it having been received, apparently.) While this caused a bit of a media stir in Japan, Prime Minister Naoto Kan has gone on the record as saying that this should not result in punishment of this particular supervisor. (He made the right call, by the way, in continuing injection with whatever water source he had available without outside non-expert interference.... APR opinion.)

-A brief oil spill outside No. 5 and No. 6 plants, found on the 31st, has resulted in the application of cleanup material (absorption) to the shore line, and the rapid installation of an oil fence. TEPCO is cleaning up this minor spill as this report is written. Below, TEPCO press photo showing the oil sheen on the water surface.


-TEPCO continues to experiment with the installed, recirculating cooling systems for the spent fuel pools at all three plants. Hydrazine addition (to prevent oxygen corrosion of the fuel elements) is being performed occasionally at the spent fuel pools as TEPCO deems necessary.

These appear to be the most important updates at the moment. There are a large number of projects underway right now at the site, and we'll report here on further developments as needed.

8:55 AM Eastern Wednesday June 1, 2011
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Monday, 30 May 2011

Fukuishi LIVE Fukushima Daiichi Camera

Posted on 20:37 by Unknown
A twenty-four hour a day live camera is now being used at the Fukushima Daiichi Nuclear Power Station. Below is the link:

FUKUICHI LIVE CAMERA

Note the small map, showing clearly the area of coverage of the camera.

11:40 PM Eastern Monday 5/30
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Sunday, 29 May 2011

Fukushima Daiichi... Sunday 5/29

Posted on 17:39 by Unknown
Some updates from Fukushima Daiichi...

-TEPCO does not at this time believe that the rain and wind from the approaching tropical storm will cause any severe problems at the site. TEPCO had sandbagged a number of electrical distribution panels, and has taken other measures to ensure continuity of AC power during the heavy weather.

-Cooling injection at No. 3 plant is now solely through the feed system at about 13.5 cubic meters per hour.

-Feed system cooling injection has begun at No. 2 plant, at a rate of 5 cubic meters per hour. This supplements the 7 cubic meters per hour from the fire extinguishing line in use previously.

-It would appear that further outflow.. from source or sources not yet determined.. is driving up contamination rates again inside the near breakwater. TEPCO is investigating the exact source.

-There is some press about the temporary loss of circulating system (seawater) at No. 5 plant driving up plant and spent fuel pool temperatures. There was no serious effect, and plant temperature and spent fuel pool temperature are back on the way down. It appears that no pump was running for as long as 15 hours. The loss of the pump was first detected at 21:24 on May 28th, according to TEPCO, and work on replacement began at 8:12 the morning of the 29th. At 12:31 the newly installed, spare pumps were started and at 12:49 the normal cooldown lineup was re-established, and cooling of the reactor plant began again.

-All four plants, No. 1 through No. 4 now have their spent fuel pool cooling systems restored. These are being used to inject cooling water as needed at the moment, with no recirc cooling capability yet. Recirc cooling (as designed) is expected to be operational for all four plants sometime in July. This removes the need for the long arm concrete spray trucks on a continuous basis, although they remain on site (moved to a safe location due to the impending storm) as backups to the installed (original) systems for spent fuel pool cooling.

-For reference.. and because we have not mentioned it lately.. with only a couple brief interludes due to equipment malfunction, TEPCO continues to pump nitrogen into the dry well of No. 1 plant. At this time, the total injected volume of nitrogen to this plant stands at about 34,300 cubic meters (total from April 7 until May 29.)

9:00 PM Eastern Sunday 5/29
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Saturday, 28 May 2011

Fukushima Daiici Video; Dust Inhibitor

Posted on 15:00 by Unknown
Tokyo Electric Power Company has released a new video showing the first extensive coverage of the dust inhibitor operations on site.

FUKUSHIMA DAIICHI DUST INHIBITOR OPERATIONS ON APR YOUTUBE CHANNEL



Above and below, TEPCO press photos further depicting these operations.



6:05 PM Eastern Saturday 5/28
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Friday, 27 May 2011

Fukushima Daiichi Update: Friday 5/27

Posted on 17:20 by Unknown
There is not a lot of news coming out of Fukushima Daiichi at the moment, at least of any emergent nature.

Probably the most important news is that there is a water loss occurring from the waste treatment buildings into which contaminated water was being pumped from the reactor plant turbine buildings. TEPCO has identified some leak points, and where they'll try to stop leakage. TEPCO's illustration below, which is an overhead view, is fully self-explanatory. Click to enlarge.


Meanwhile, in plant-related news the injection rate at No. 3 plant is now adjusted to 2 cubic meters per hour through the fire extinguishing line and about 13.5 cubic meters per hour through the feed line. Temperatures are steady. Reportedly, TEPCO is beginning work at No. 2 plant to change the injection path for No. 2 over to the feed system from the fire extinguishing system. (Unit 1 is on the feed line, Unit 2 is on the fire extinguishing line, and Unit 3 is on both lines as noted.)

TEPCO sampled the air above the reactor buildings on the 24th using equipment held over the buildings by concrete pumper truck arms. Below, one of the trucks holding the sensor over No. 1 reactor building in a TEPCO press release photo.

Below, another truck samples the air over the No. 4 reactor building in another TEPCO press release photo.



The IAEA has sent an inspection team to Fukushima Daiichi; the team toured practically the entire site, and will make a report to TEPCO on or about June 1st regarding its findings. Below, the group approaches No. 3 (left) and No. 4 (right) reactor buildings on the hillside that is immediately west of these structures. This photo blows up very large when clicked, but is worth seeing in full size and in high resolution.


Since we're updating a number of illustrations... We've talked about decay heat removal many many times on this blog, and talked about the need to remove heat for a long time after the reactors are shut down. (Long-term readers might remember my quote about how much heat the metal in a decommissioned US Navy submarine power plant gives off due to its irradiation.... THAT is how seriously we've covered decay heat on this blog.) Since we've been so thorough to this end on this blog, we'll finally show a new graph released as a press handout by TEPCO showing the decay heat output curves for plants No. 1, 2 and 3 at Fukushima Daiichi, seen below. This will give a good idea for readers who are new to this blog of how much heat even a shut down core is liberating long after shutdown.


8:40 PM Eastern Friday 5/27
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Blog Archive

  • ▼  2013 (71)
    • ▼  October (5)
      • South Korea: Cables fail tests; Government suing ...
      • SCE Requests Arbitration in SONGS Steam Generator ...
      • SCE Demands Mitsubishi Allow Contractually Mandate...
      • Resin-based solution to Fukushima water problems
      • SCE Demands Reimbursement from Mitsubishi for San ...
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