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Master Class on Radiation

August 3rd, 2007 by MarkR

CHERNOBYL RADIATION RECONNAISSANCE ROUTE: An exclusive advanced information trip into the Chernobyl area… and much deeper.

The PRYPYAT.COM team has decided to further extend our cooperation with Sergii Mirnyi, and invited him to be the principal guide-instructor for the advanced information trip to the Chernobyl area (which we announced earlier). The offer was gratefully accepted, and designed was the following

PROGRAM for
Exclusive advanced information trip
into the Chernobyl area… and much deeper
CHERNOBYL RADIATION RECONNAISSANCE MISSION ROUTE
Saturday September 15, 2007

For the first time ever, the trip ‘Chernobyl radiation reconnaissance mission route’ makes public a successful professional and personal experience of Chernobyl victors – the radiation reconnaissance men. It combines it with the most advanced front-line knowledge of many diverse sciences, relevant to Chernobyl radiation accident and contemporary disasters, and delivers it in an understandable, normal human language and, moreover, even entertaining format – against the background of the most controversial patch of land at the globe, a so-called Chernobyl ‘dead’ zone of nowadays… and a likely Chernobyl national park of the future. The route of the trip follows the actual route of the first radiation reconnaissance missions, and weaves amidst impressive signs of the nuclear unit’s explosion and its effects’ mitigation, the colossal ruins and depopulated land with breathtakingly beautiful landscapes and flourishing wildlife.
The advanced trip is designed both for professionals, students and advanced general public, who are concerned with the issues of radiation, contamination and health in connection with the environment we live in now.

The trip will intellectually equip, practically train and psychologically empower you to successfully survive contemporary contamination accidents, especially radiation ones, or/and mitigate and study them. Moreover, the 1-day tour will teach you to navigate among the contemporary technogenic contamination hazards – both everyday ‘normal’ and extreme catastrophic ones. All this is achieved by employing the unique intellectual gainings of the Chernobyl radiation accident and possibilities of a present-day area with official name ‘the Chernobyl alienation/exclusion zone’ (Chernobylskaja zona otchuzhdenija). The educational trip generalizes and delivers in a nutshell a two-decade successful professional and personal experience of Chernobyl reconnaissance men, supported by a front-line complex multidisciplinary research of Chernobyl and contemporary disasters, and shaped in an entertaining and user-friendly way by vast and invariably successful international lecturing expertise of the principal guide-instructor.
The guide-instructor Sergii Mirnyi was a commander of radiation reconnaissance crew and platoon inside the Chernobyl zone several months after the explosion. He was the officer, responsible for management of the company’s radiation reconnaissance missions, and was cited for bravery and heroism by the Commander of Kiev Military District. He has MSc in physical chemistry and MSc in environmental sciences and policy, complemented by the courses of social sciences and humanities (history and literature). Now he is an expert in Chernobyl and the mitigation of radiation and ecological disasters, the author of scientific monograph on the actual state of the Chernobyl mitigation workers’ (liquidators’) health and several important international generalizing papers on Chernobyland regularities of contemporary disasters. He also wrote several books of Chernobyl prose, already translated into English and Hungarian, and two screenplays, decorated at prestigious international competitions Koronatsija slova [Crowning the word] (Kiev-2005) and Kinostsenariy [Screenplay] Magazine Competition (Moscow-1997).
For more info about the trip guide-instructor seeexcerpts of his earlier books, a recent pripyat.com-publication of his abstract for the conference on environmental education, and an announcement with report about a recent presentation of his screenplay.

During the exclusive advanced information trip YOU WILL:
- gain practical skills of successful survival in the circumstances and of research and mitigation of a contemporary contamination (and particularly radiation) accident, the skills well-checked and proven to be true by more than two decades of life and work of the Chernobyl radiation reconnaissance men
- measure radiation levels at the carefully selected set of representative points outside and inside the Chernobyl zone
- visit the most famous Chernobyl places: the Sarcophagus over the remnants of the exploded reactor of the Chernobyl nuclear power plant, the ghost town of Prypyat, the capital of the zone – the Chernobyl-town, several abandoned villages (one of them fully bulldozed), and – a special trait of this tour – the exit decontamination depots and the site of the military camp of the 25th brigade of chemical and radiation protection, which included a separate battalion of radiation reconnaissance
- acquire the skill of adequate comprehension and correct interpretation of the maps of contamination (both radiation and chemical)
- learn the general pattern(s) of the contamination spatial distribution and its intricate, sometimes quite unexpected changes with time, caused by mitigation works and natural reasons
- be introduced to the universal holistic model of a contemporary single-point contamination accident/catastrophe as a phenomenon in natural and social environments
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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

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Chernobyl. New safe confinement.

January 11th, 2007 by WickLi

Chernobyl. New safe confinement. Unique graphic materials in 3D technology that show in details building of new safe

confinement.

confinement

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Chernobyl Shelter stabilization.

January 11th, 2007 by WickLi

Shelter stabilization.

Unique graphic materials in 3D technology that show in details stabilization of existing

sarcophagus.

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Shelter stabilization


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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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Investigations Chernobyl Shelter

December 12th, 2006 by WickLi

Started during the first days after the accident complex diagnostic investigations were continued after Shelter object construction completion. Main arias of investigations were:
• сlarification of quantity and location of nuclear fuel inside the Unit;
• determination of fuel containing masses mechanical, physical and chemical condition;
• nuclear and radiation safety assessment;
• creation and operation of diagnostic systems;
• facility’s constructions reliability monitoring.

Investigation of the Shelter object started from hols drilling. Results of these investigations provided wide volume of information. It was possible to determine character of internal damages, constructions condition, to penetrate to fuel congestions and to sample fuel containing materials (FCM), to measure directly neutron multiplication factor in congestions, which showed that FCM in the Shelter were in subcritical state. It was established, that inside the Shelter the fuel was in the form of destroyed reactor core fragments, stark glassy mass (lava) and fuel dust.
Results of drilling allowed to determine new penetration ways into the Shelter premises and stimulated creation of the special diagnostic robots for works implementation inside the sarcophagus.

Investigations Chernobyl Shelter

Initial large-scale works on Shelter’s constructions reinforcement were started in 1987 and completed in 1989. It was revealed three zones requiring urgent anti-emergency measures: deaerator stack, main circulating pumps premise and premise 805/3.
In spit of additional measures on constructions reinforcement, experts understood, that in existing status the Shelter couldn’t be considered as facility, safety of which is ensured for decades.
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