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links for 2007-03-25

March 25th, 2007 by WickLi


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Chernobyl. Dark side of sarcophagus.

January 11th, 2007 by WickLi

Unique documental film inside Chernobyl sarcophagus. Filmed by Chernobyl NPP video

operator Sergey Koshelev. This video is much more interesting than well known film by National Geographic and BBC Horizon.

Dark side of sarcophagus

Upload video: 239 Mb, .mpg


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Report about the trip to ChNPP, 30 November. Dedicated to 20 year anniversary.

January 5th, 2007 by planca

Darina PustovayaThe road Kiev – ChNPP was not easy that day. High powers grieved us without diffidence: put obstacles on the way – like traffic jams, something unknown falling from the sky and reminding that even the luxurious car was only the means of transportation which could be broken in inappropriate time. In brief, we were very late. At check point Dityatki one of the workers told us that a lot of people were waiting for us. Supposition that they would not start without us was improbable and that is why not very comforting. To save some minutes we ‘flied’ to ChNPP to by-pass of Chernobyl.

           


 Really, it seemed that we were waited for. When seeing planca running with camera towards administrational building, a woman asked “Do you shoot? You are late! Follow me quickly!” And now we are following Irina Kovbych through corridors. “Change your clothes!”. Without understanding we obediently take off our jackets and put on white smocks and hats given by smiling girls. ”Now quickly to BPC – 1! Quickly! You know the way, not a first time!” Running after planca I repeat like a spell “And I am here first time…BCP – 1….golden corridor….I am first time here!”.” The question” Can you just imagine how lucky we are?” I just nod with funny – idiotic expression.

More... After next turn the door with inscription “BCP – 1” opened. The room was filled with several tens of people in white. It looked like a consultation of doctors. Surprising was only the place and amount tripods with cameras. All lenses were directed to small screen with white-black static picture. While I was looking at great amount of buttons at control panel and plates with names under them, planca, by some miracle, squeezed into the rows of people like him – in white and with cameras at the other side of the hall. I was still observing people with cameras arguing about best perspective and pushing aside each other. Honorable guests came into the hall. And all started.
It turned out that we were the witnesses of historic event – extraction of the last fuel assemblage from the reactor (will have story for grandchildren). The sound from loud speakers “The beginning of nuclear – dangerous action is announced…” It sounded a bit bombast, but on the other hand – solemnly and striking. I had a desire to whisper “mummy” and hide my head somewhere. In a few minutes the first block of ChNPP became nuclear-safe!
From rows of honorable guests one man came in front. As we were informed, he took part in this block launching. It was big man with gorgeous moustache, big palms and kind expression. He didn’t look like nuclear worker. He reminded me one of the characters Janny Rotary’s poems – a baker whose hands smell of bread. He had white hat on which also looked like cook hat. He made a short speech which associated in my mind with “I am tired, I go”. He said so: I was when the first cassette of the block was input, and now I am here – a witness of the last one’s extraction. That is all. Thank you for attention. Hesitating for a second, he went to the raw of honorable guests. After operators shooted changed white-black picture, guests were interviewed. But as it was announced in evening news, operators, except NTN channel, didn’t understand which cassette, where and why did they extract and what did it mean.

                                                                                             Тo watch video about BCP - 1


 The next event of the program was solemn opening of a monument dedicated to the heroes- liquidators and builders of sarcophagus. (Hello to all the participants of the trip on 25 November, who were forerunners – opened the monument before official event). At the background of monument, covered with grey sailcloth, there were people who made speeches, in front of them – operators with cameras, behind them – indignant and sad old people (liquidators), who were invited as guests. Put aside by journalists, they were apart from the celebration, dedicated to their own merits and memory of died people. Some of them tried to stand on tiptoe to see what was going on, others whispered to one another – “Why did they invite us?”, others answered -  “All is done for journalists, why are we here?”. Bitterly. Offensively. But, I have to admit that this monument opening greatly differed from other similar events.
Even solemn speeches were sincere and emotional, not ardent and prepared as was is often. After the national anthem of Ukraine they complained that President and Prime Minister didn’t visit this event. They didn’t want or couldn’t come and honor the memory of that people, who gave their life and proved that heroes really existed. In evening news it was announced that President was eating pineapples and hazel grouse, drinking Borjomi at that time. But understanding his hard life of chief of state, we excused him.

It was said many times that this day – the Victory Day. But according to feeling it seemed like Weariness Day (but it depends on everyone). Cutting of the ribbon in front of the monument was being done to the accompaniment of post-war song. But was only music, without words. There was a feeling that Kobzon would sing about “the day which has a smell of gunpowder in the air”. Of course we could name this day – the Victory Day. It makes sense. But joyful song was an excess.         
The monument was consecrated. The burial service was read according to Orthodox tradition. Prolonged church phrases like warm clouds flied into the indifferent grey autumn sky. The pipe of 4th block in whitish haze (fog or smoke - people working on the roof with welding machine). There is a feeling that it is not simply a fog, bit the answer to all prays. Almighty.
  After was a conference, interesting acquaintances, unexpected nice meetings, callings to friends and family - “We were there - look at news on all chanals!” Journey to Kiev. After was impatient expectation of the news – If they really show us on TV, at least for a moment?”. Joyful shouts when we saw at the background  planca’s leg in durty leopard color trousers and part of yellow jacket. And then in delirium or dream we saw Sarcophagus with listed wall and reactor’s pipe covered with whitish haze, protecting us from unseen threat with the help of God.

          

We are very greateful to Alexander Novikov, Alexander Krupniy and Irina Kovbych, and informational - analytical department of ChNPP for help and anvitation. 

 


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Chernobyl Shelter object. Current status

December 12th, 2006 by WickLi

Shelter object. Current status

Actually it is possible to consider as established, that inside the Shelter object remains about 90% of fuel, which was in a reactor at the moment of accident. Its total activity makes about 18 mln curies. Destructive processes, occurring in fuel containing materials (FCM), every year increase their hazard. Lava-like FCM destructs spontaneously and radionuclides containing in them are transformed from the bound state in mobile dust particles capable to live the Shelter boundaries with air flows. The radioactive dust amount according to conservative estimations makes about 4 tons.

radioactive dust

There is a potential risk of a radioactive dust releases in an environment during probable collapse of supporting constructions, and due to water migration.
At the site near the Shelter under the layer of the ground, sand and concrete there is significant quantity of radioactive substances, non-isolated from hydrogeological environment.

into sarcophagus

Object’s constructions don’t meet the requirements of the normative and technical documentation on Safety if the field of mechanical durability, structural integrity, constructive reliability and have undetermined operational term.


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Shelter Implementation Plan

December 12th, 2006 by WickLi

Shelter Implementation Plan

Shelter Implementation Plan (SIP) became the culmination of the efforts made by Ukraine and International Community toward development of economically and ecologically acceptable approach to resolve the Shelter problems. It was developed under cooperation of European Union Commission, Ukraine, USA and team of international experts and approved in June 1997 at G7 countries meeting.
The main project goal is Shelter object transformation into environmentally safe system with regard to personnel protection, radiological and environmental safety. SIP project consists of stabilization and other urgent measures and regular strategic measures development and implementation for step-by-step Shelter transformation into safe facility. Final SIP goal is new safe confinement (Shelter-2) erection and Shelter object unstable constructions dismantling.
28 Donors countries and European Commission pledged to allocate funds necessary for the project implementation into Chornobyl Shelter Fund (CSF), established according to Memorandum of Understanding and assigned to assist Ukraine in transformation of existing sarcophagus into safe and environmentally stable system by Shelter Implementation Plan realisation. Total cost of works performance according to more precise estimation makes 1091mln US$.
Project implementation
The first phase of the project lasted since 1998 up to mid 2000. That was the stage of investigations, development of strategies, programs, concept designs and preparatory works for the phase 2. In transitional period – since mid 2000 up to the beginning of 2001- the results of the undertaken investigations were reviewed and the program decisions were adopted. More then 30 companies from different countries and a number of key Ukrainian research institutes were involved in the activity within the first phase
Implementation of two emergency stabilization measures of the structure has become a considerable achievement. ChNPP Units 3 and 4 ventilation stack foundation and bracing were repaired in 1998, beams B1/B2, being the basic support for the sarcophagus roof were reinforced in 1999.
Besides the works, which contributed to the Shelter safety improvement and the development of infrastructure were carried out in the frames of the first phase
The second phase of the project implementation started since the beginning of 2001. First of all that was an activity, linked to unstable Shelter structures stabilization, installation and commissioning of monitoring systems, development and testing a technology for FCM removal, implementation of technical decisions on water and dust management, new safe confinement (NSC) construction and dismantling of Shelter unstable structures under a new protective enclosure. At SO and ChNPP site very difficult and, as a rule, unique and technically non-uniform activity has been done during Phase 2 implementation.
New Safe Confinement

Shelter Implementation Plan

New Safe Confinement (NSC) construction above the Shelter object is one of thee most important condition of the Shelter object transformation into ecologically safe system.
Confinement is a protective facility, included a complex of technological equipment for fuel containing materials removal out of the Chernobyl destroyed Unit 4 and for radioactive waste management and other systems, designed to perform the activity on the Unit transformation into environmentally safe site and to provide personnel, residents and environment safety According to Conceptual Design NSC includes:


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Accident

December 4th, 2006 by WickLi

At 01 hr 23 min 49 sec Moscow time on April 26, 1986, the world’s worst-ever nuclear disaster occurred at Power Generation Unit No.4 of the Chornobyl NPP. As a result, the reactor core was destroyed completely, and almost all its supporting structures were severely damaged. The reactor and its building were destroyed by two powerful explosions. The upper biological shielding of the reactor (scheme “E”) was torn off and turned at 15° to the vertical. All high-pressure pipes were destroyed. Hot graphite blocks, fragments of pipelines and equipment were thrown outside. Most of the debris piled up at the north wall. The explosion destroyed the separator room. All the four separators, each weighing 130 tons, were moved from their supports and torn off from the pipelines.

Chernobyl Accident

The roof collapsed and hung down on the separators.
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