Tchernobyl sarcophagus

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Tchernobyl sarcophagus
November 2007 M2 GCI
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Plan

• I - Introduction
• II - Presentation of the project
• III - Project participant
• IV - Timeline / Key dates

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I - Introduction

• Situation

• 15km far from Chernobyl
• 110 km far from KIEV

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I - Introduction

• Chernobyl disaster

• Nuclear exchange Lenine
• 25-26th April 1986
• Explosion of the nuclear reactor 4
• A lot of consequences
• - numerous died
• - sanitary consequences
• - technical problems
• - mondial consequences

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I - Introduction

• Problems of the old sarcophagus?

• - Built in 6 months
• A lot of infiltrations
• Presence of rust
• A wall is about to collapse

The old sarcophagus
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II - Presentation of the project

• Span of arch 257 m
• Height 105 m ( a 30-story building)?
• Covered length 150m

• Arch assembled to the West of the damaged
  reactor
• Slid into place above the existing sarcophagus

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II - Presentation of the project

• - Value of contract EUR 432 millions
• Wheight of metal structure
• 18 000 metric tons
• - Definitive foundations 20 000 cubic metres
• - Life span of confinement shelter 100 years

• Duration of work 53 months
• Planning and design 11/07-04/09
• Construction 04/09-2012
• Managerial personnel 60 expatriates
• Workers 900 workers (Ukranians)?

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II - Presentation of the project

• Aim of the project

• Contain the radioactive material
• Protect against weather damage to the existing
  sarcophagus

• Allow work to begin on deconstruction of the
  unit 4 of the Chernobyl power plant

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III - Project participant

• Contracting authority
• Chernobyl Nuclear Power Plant (ChNPP)
  responsible for dismantling and cleaning up the
  Chernobyl site
• Project management
• Project Management Unit (PMU)?
• Design-construction consortium
• a 50/50 consortium between VINCI Construction
  Grands Projets et Bouygues Travaux Publics
  (NOVARKA)?
• Funding
• financed out of international grants

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IV - Timeline / Key dates
1992 KIEV 92 INTERNATIONAL COMPETITION 1994
FEASABILITY STUDY 2004 INVITATION TO TENDER FOR
NSC (NEW SAFE CONFINEMENT) SHELTER formation of
the NOVARKA consortium JUNE 2005 INVITATION TO
SUBMITT FINANCIAL TENDERS NOVEMBER 2005 TENDERS
OPEN PUBLICLY AUGUST 2007 NOVARKA DECLARED
SUCCESSFUL 17 SEPTEMBER 2007 CONTRACT SIGNED
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THANK YOU FOR YOUR ATTENTION
Any questions???