Tchernobyl sarcophagus

Tchernobyl sarcophagus November 2007 M2 GCI www.jexpoz.com

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?
The old sarcophagus
- Built in 6 months
A lot of infiltrations
Presence of rust
A wall is about to collapse
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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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- 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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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 www.jexpoz.com

THANK YOU FOR YOUR ATTENTION Any questions??? www.jexpoz.com

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Tchernobyl sarcophagus

by jexpoz on Nov 29, 2007

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Tchernobyl sarcophagus — Presentation Transcript