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Chernobyl 2.0? Cracks found in UK nuclear reactor could lead to evacuation of millions.

Daily Star 8th June 2019  CRACKS found in a UK nuclear reactor could lead to the
radioactive contamination and full evacuation of major Brit cities, experts
have said in a terrifying warning. Experts have warned that in the very
worst case the hot graphite core could become exposed to air and ignite
leading to radioactive contamination and evacuation of a large area of
Scotland’s central belt – including Glasgow and Edinburgh.
The reactors have been closed since October 2018 as a result, but owners EDF Energy are
currently making a case for turning them back on, with help from trade
union GMB. Although the probability of a meltdown is still low, the
consequences could be incredibly severe.
In such an event, both Glasgow and
Edinburgh would need to be entirely evacuated due to radioactive
contamination. According to Dr Ian Fairlie, an independent consultant on
radioactivity in the environment, and Dr David Toke, Reader in Energy
Policy at the University of Aberdeen, the two reactors definitely should
not be restarted. Speaking about the cracks in the barrels, they warned:
“This is a serious matter because if an untoward incident were to occur –
for example an earth tremor, gas excursion, steam surge, sudden outage, or
sudden depressurisation, the barrels could become dislodged and/or
misaligned.

https://www.dailystar.co.uk/news/latest-news/784096/Chernobyl-UK-nuclear-reactor-Hunterston-b-power-plant-Ayrshire-edinburgh-glasgow

June 10, 2019 Posted by | safety, UK | 1 Comment

America came close to having its own Chernobyl-level nuclear catastrophe

Command and Control, Chapter 1

 

America Never Had a Chernobyl. But It Came Close.  https://www.popularmechanics.com/military/weapons/a27729387/chernobyl-broken-arrows/  

The U.S. kept nuclear accidents like the Damascus Incident secret for decades.

HBO’s Chernobyl is over, but if you’ve seen the series, you’ll remember it for a long time.

Coming on the heels of the mega-hyped Game of Thrones series finale, the five-part miniseries—created and written by Craig Mazin, and directed by Johan Renck—quickly overtook the fantasy story with its astonishing performances and commitment to its immersion in a world that Americans never really understood.

The focus in the discussion around Chernobyl lies where the miniseries has gone: nuclear reactors meant for peaceful energy. The safety of nuclear plants is of upmost importance, but that’s not the only place nuclear energy is located. According to the Bulletin of Atomic Scientists, the Department of Defense maintains an estimated stockpile of approximately 4,000 warheads. Mishaps with these weapons of mass destruction are referred to as “Broken Arrow” accidents.

The United States has officially had approximately 32 of these incidents, often involving the transport of weapons from one location to another. None of these incidents caused a major disaster, let alone a Chernobyl-like event. Two nuclear weapons were dropped on Goldsboro North Carolina in 1961 and are now commemorated with an historical marker. But there’s no such memorial for the 1980 accident in which a Titan II missile carrying a thermonuclear reactor exploded near Damascus, Arkansas.

Chernobyl offers a new chance to examine these Broken Arrows. Fortunately, both the stories of Goldsboro, the Damascus Incident, and other Broken Arrows have already been documented in the film Command and Control, directed by Robert Kenner and based on a book by Eric Schlosser.

Available on PBSNetflix, and other streaming services, the documentary shows that the story of lies and of nuclear mismanagement is not limited to Soviet borders.

On September 18, 1980, routine maintenance on an Titan II went awry. A Propellant Transfer System (PTS) team was working on the missile under the authority of the Air Force. A ratchet was used instead of a torque wrench, and that was all it took for a socket from the missile’s oxidizer tank to fall 80 feet down, where a freak bump allowed it to puncture the missile’s first-stage fuel tank.

Efforts to stabilize the missile failed, and late into the night, it exploded. Two men sent in to vent the gas were presumed dead. One of them, Senior Airman David Livingston, died 12 hours later. The nuclear warhead was later found in a field.

There are many differences between Damascus and Chernobyl, of course. Honesty was maintained within the chain of command, although the man who dropped the socket had trouble articulating the truth of the situation for half an hour afterward. And while safety protocols couldn’t keep the 7-story missile from exploding, they did keep the warhead in check.

But when it comes to nuclear incidents, Command and Control makes it clear that the U.S. shares more with the scientists of Chernobyl than many feel comfortable to admit.

There may not be a deeply embedded culture of lying stateside, but the U.S. was as willing to cover up the truth of Damascus, as well as thousands of other nuclear accidents, for decades. And when it came down to the final decision making in Damascus, the documentary paints a picture of an out-of-touch Strategic Air Command that issued commands without any understanding of the situation on the ground—decisions that resulted in Livingston’s death.

Mazin has made it clear that his Chernobyl is not primarily focused on nuclear power. It’s a complex subject, as Valery Legasov, played masterfully by Jared Harris, makes clear in the final episode. But perhaps the greatest similarity between Damascus and Chernobyl was the confident belief that nuclear power could be safely managed at all.

Explaining how nuclear power works in a Soviet court, Legasov describes a dance that can generate tremendous energy. But as Adam Higginbottom shows in Midnight in Chernobyl, it’s a dance that people have been trying to get right for many years.

The Soviet system might have set up the scientists at V.I. Lenin Nuclear Power Plant for failure. But even with the best dancers in the world, there’s eventually a missed step.

June 8, 2019 Posted by | incidents, USA | 1 Comment

Holtec’s involvement in the Ukraine’s Chernobyl’s dry store facility

Halting Holtec – A Challenge for Nuclear Safety Advocates, CounterPunch,    7 June 19 “……….The California – Chernobyl Connection

Holtec and its client Edison would have the public believe that the San Onofre ISFSI is top of the line, up to date and state-of-the-art spent fuel handling.  But that image seems to be contradicted by a recent Holtec press release and accompanying animated video that may seem to describe something like the kind of waste storage system many are advocating for at San Onofre.

On May 6, 2019, Holtec was “pleased to announce the start of final system-wide trials for Chernobyl’s dry store facility….” In the next two months, Holtec expects to complete “stem-to stern functional demonstrations of the [SF-2] spent fuel handling and storage processes before handing over the facility to Ukraine’s State owned enterprise Chernobyl Nuclear Power Plant (ChNPP).”

The Holtec press release boasts, “Dismembering more than  21,000 RBMK spent fuel assemblies in a special purpose “hotcell,” packaging those fuel assemblies in double walled canisters(DWCs), and transferring them from (open) water-cooled pools into hermetically sealed rugged helium-filled storage systems inside ventilated modules will mark a huge safety milestone for Ukraine.”  https://youtu.be/GYR3GmkRZV0

Holtec is also building a project called a Central Spent Fuel Storage Facility (CSFSF) for the Ukrainian company Energoatom.  Holtec says the “CSFSF will employ double-confinement DWCs, the world’s first double-walled, double-lid multi-purpose canister system for dry storage of spent nuclear fuel.”

Many may now be asking, “Why isn’t what’s good for Ukraine, also good for California?”  But, Donna Gilmore points out that, “It’s a thin-wall canister system.  Exterior wall is 3/8″ thick.  Interior wall is 1/2″ thick.  Both welded shut.  Still must be stored in Holtec concrete cask with air vents.  Still cannot be inspected, maintained, monitored or repaired inside or out.” …………https://www.counterpunch.org/2019/06/07/halting-holtec-a-challenge-for-nuclear-safety-advocates/

June 8, 2019 Posted by | safety, Ukraine, USA, wastes | Leave a comment

Danger of cracks in nuclear reactors

Unidentified or under-identified structural damage in nuclear reactors can be cataclysmic. Inspection of critical systems such as nuclear reactors is complicated and time-consuming.

Videos captured by an automatic crack detection system can easily misidentify small scratches or welds as cracks, so technicians must review videos frame by frame. It is a time-consuming process with opportunities for human errors.

A system under development at Purdue University uses artificial intelligence to detect cracks captured in videos of nuclear reactors. The system analyzes video, frame by frame, to detect any cracks. …….https://phys.org/news/2019-06-ai-technology-critical-nuclear-reactors.html

June 8, 2019 Posted by | safety, USA | Leave a comment

Cyberattacks on nuclear power stations on the rise

Nuclear Energy Regulators Need to Bring on More Cyber Experts, Watchdog Says  Defense One, 7 June 19,  Cyberattacks on nuclear power stations on the rise, and an aging workforce may soon leave the government struggling to defend plants against the latest threats.

The Nuclear Regulatory Commission is facing a mass exodus of cybersecurity experts in the years ahead, which could limit its ability to ensure the nation’s nuclear power plants are safe from digital attacks, an internal watchdog found……….

As of March 31, NRC officials had inspected 24 of the 57 power plants under its jurisdiction. While assessments “generally provide reasonable assurance that nuclear power plant licensees adequately protect digital computers, communications systems and networks,” auditors said, the agency could be hindered if the NRC doesn’t ramp up its recruitment and training efforts. …….

The situation at NRC is a symptom of the government’s broader struggle to recruit tech and cyber talent amid an aging workforce.

The IG advised NRC to improve its process for addressing skill gaps and managing its workforce, leaning on practices laid out in its existing Strategic Workforce Planning initiative.

Auditors also urged the agency to include more performance testing in its cybersecurity inspections. While today’s inspections focus largely on compliance, collecting data on vulnerability assessments, patching frequency and software management could make the process more efficient and effective, auditors wrote.https://www.defenseone.com/technology/2019/06/nuclear-energy-regulators-need-bring-more-cyber-experts-watchdog-says/157559/

June 8, 2019 Posted by | safety, USA | Leave a comment

3 Royal Navy sailors serving on nuclear missile ship were caught taking cocaine

Evening Standard 2nd June 2019 Three sailors serving on a submarine which carries 16 nuclear missiles have
been caught taking cocaine, the Ministry of Defence has confirmed. The
Royal Navy submariners failed a Compulsory Drugs Test shortly after HMS
Vengeance visited a US naval facility in Florida.

https://www.standard.co.uk/news/uk/three-royal-navy-sailors-tested-positive-for-cocaine-on-board-submarine-carrying-16-nuclear-weapons-a4157276.html

June 4, 2019 Posted by | incidents, UK | Leave a comment

Reading between World Nuclear News lines, did Russia’s Leningrad nuclear power plant have some safety issues?

Christina Macpherson’s websites & blogs

I know that this will read as just fine and dandy – because Russia never lets on about any problems in its nuclear infrastructure, but I think it;s just a hint of that.


IAEA notes improved safety at Leningrad plant,
WNN, 30 May 2019  Rosenergoatom, the operator of Russia’s Leningrad nuclear power plant, has strengthened operational safety in response to the findings of an International Atomic Energy Agency (IAEA) review in 2017, a follow-up mission has concluded. The team encouraged the operator to pursue continuous improvement.

….. In November 2017, the IAEA completed a 17-day mission to Leningrad unit 4, which was connected to the grid in 1981 and is one of four light water-cooled graphite-moderated reactors (RBMK-1000) located at the site in Sosnovy Bor, 70 km west of St Petersburg. Plant operator Rosenergoatom is a subsidiary of Russian state nuclear corporation Rosatom.That mission made suggestions for improving operational safety at the plant, including: the use of leading indicators to further improve its performance; strengthening the radiation protection programme; and regular reviews of chemistry surveillance and control programme to ensure its continuous improvement……

The follow-up mission found improvements to control of movable items in some sensitive areas in the plant; the use of human performance tools; and the plant chemistry surveillance and control programme.

However, the team noted that more time is required to demonstrate that improvements are fully effective and sustained in the use of forward-looking and proactive performance indicators at the plant, and in the radiation contamination control programme.

The OSART team provided a draft of its report to the plant’s management and will submit the final report to the Russian government within three months……

Located on the coast of the Gulf of Finland, Leningrad NPP is Russia’s biggest nuclear power plant in terms of its installed capacity, which is 4200 MWe. It is also the only plant in the country comprising two types of reactor: Phase I of the plant comprises four RBMK-1000 units, while Phase II will have four VVER-1200 units. Leningrad unit 1 was shut down for decommissioning on 21 December last year.  http://world-nuclear-news.org/Articles/IAEA-notes-improved-safety-at-Leningrad-plant

June 1, 2019 Posted by | Russia, safety | 1 Comment

Proposals to transport nuclear waste through Bridgwater, Somerset

Somerset Live 29th May 2019 , Bridgwater residents only have a few days to have their say on proposals to
transport nuclear waste through their town. Magnox Ltd currently operates
the Hinkley Point A site near Stogursey, which includes a small area where
nuclear waste is stored before being moved elsewhere for processing. The
company has applied to Somerset County Council for permission to store
waste from other nuclear power stations at the Hinkley site – which would
involve moving it through Bridgwater on agreed routes.

It is staging four drop-in sessions in June where residents of Bridgwater and the surrounding
villages can have their say on the plans before county councillors make a
final decision. Magnox’s proposals relate to “intermediate-level waste”,
which includes cladding around nuclear fuel and materials which have become
contaminated in the process of decommissioning a nuclear reactor.

https://www.somersetlive.co.uk/news/somerset-news/bridgwater-residents-only-few-days-2921627

June 1, 2019 Posted by | safety, UK | Leave a comment

Breathtaking series on Chernobyl nuclear catastrophe


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Foxtel Showcase 12 June 8.30 pm and 10.30 pm)

Chernobyl: horrifying, masterly television that sears on to your brain. This breathtaking series throws us right into the hellish chaos of the nuclear disaster – and its terrors are unflinching and unforgettable, Guardian, Rebecca Nicholson,  29 May 2019 After three of its five episodes aired, the miniseries Chernobyl found its way to the top of IMDB’s top 250 TV shows in history list. While the fan-voted chart might seem hyperbolic, given that the drama had only just crossed the halfway point, it is not undeserving of the honour. Chernobyl is masterful television, as stunning as it is gripping, and it is relentless in its awful tension, refusing to let go even for a second. That old ‘don’t spoil the ending’ joke about Titanic will inevitably be rebooted here, but it is confident enough to withstand any familiarity with the story.

May 30, 2019 Posted by | Belarus, incidents, Resources -audiovicual, Ukraine | Leave a comment

Armenia’s aging nuclear reactor, vulnerable in an earthquake zone

May 28, 2019 Posted by | EUROPE, safety | Leave a comment

Yucca Mountain nuclear waste plan, and the flawed science of the ‘Total System Performance Assessment’.

May 27, 2019 Posted by | safety, USA | Leave a comment

Continuing USA debate on nuclear waste- Yucca Mt is central to the issue

May 27, 2019 Posted by | safety, USA | Leave a comment

Radiation in UW building: 200 employees being moved, cleanup could take at least six more weeks

May 27, 2019 Posted by | incidents, USA | Leave a comment

A high risk operation removing spent nuclear fuel from Russian ship “Lepse”

Work on removing nuclear waste from 85-years old ship has started in Russia’s north   https://thebarentsobserver.com/en/ecology/2019/05/work-removing-nuclear-waste-85-years-old-ship-has-started-russias-north

May 25, 2019 Posted by | safety, wastes | 1 Comment

EDF planning to restart troubled Hunterston and Dungeness B nuclear reactors

Energy Reporters 21st May 2019
The Hunterston B7 reactor is now scheduled to return to service on July 31

and B8 reactor, the least cracked at the site, on June 24. Centrica has a
20-per-cent interest in eight nuclear plants, mostly built in the 1960s and
1970s, which are controlled by EDF. Centrica said it was selling its stake
in February last year.

 But since then, Hunterston and Dungeness B in Kent
have been put out of action. EDF, which is also looking to sell some of its
interest in the nuclear hubs, said Dungeness B would “continue to produce
low-carbon electricity safely and reliably for many years to come”.
The reactor in Kent on the southern English coast was shut down late last
summer for regular inspections, which identified the need for repairs on
steam pipes. EDF said it was carrying out “additional inspections and
repairs [to] put the plant in a state to deliver best-ever performance
later this year”. The restart of the twin reactors was due for September
and October, according to the French firm.

https://www.energy-reporters.com/production/edf-extends-nuclear-plant-outages/

May 25, 2019 Posted by | safety, UK | 1 Comment