Objective
THE STUDY IS PART OF A JOINT STUDY AIMING AT ASSESSING MANAGEMENT ROUTES FOR LWR WASTES ON THE BASIS OF ECONOMIC AND RADIOLOGICAL CRITERIA.
A MANAGEMENT ROUTE IS DEFINED AS EACH ASSEMBLY OF CO-ORDINATED ACTIONS BY WHICH THE MANAGEMENT OF LWR WASTES, FROM THEIR PRODUCTION TO THEIR DISPOSAL, IS IMPLEMENTED. USUALLY, THESE ACTIONS COMPRISE TREATMENT, CONDITIONING, PACKAGING, INTERIM STORAGE, TRANSPORT AND DISPOSAL OPERATIONS.
IN THE FRAMEWORK OF THESE LARGE PROGRAMME, CEA IS MAINLY INVOLVED IN THE FINAL PART OF MANAGEMENT ROUTES: DISPOSAL. IN COOPERATION WITH INITEC, THE CONTRACTOR WILL DEVELOP, FOR THIS REACTOR, THE CONCEPT OF THE NEAR-SURFACE DISPOSAL (FRENCH AND SPANISH STORAGE).
A theoretical feasibility study was carried out for the determination of the cost and the radiological impact associated with a near surface disposal site for low level and medium level radioactive waste. The evaluation was done on the basis of a park of 22 pressurized water reactors of 900 MWe. This park of 20 GWe is assumed to operate for 30 years. The main characteristics of the disposal facility considered are those of the Centre de Stockage de l'Aube (CSA).
First, the safety performance objectives and the technical requirements were considered. Then the conceptual design of the waste containment facility was studied, along with the operation of the disposal module. Detailed waste acceptance criteria were then drawn up.
Using these criteria, a detailed cost evaluation was made, including all capital investment costs and operational labour costs. The theoretical exposure of workers to radiation was calculated and the radiological impact to the public was assessed.
1. DEFINITION OF ACCEPTANCE CRITERIA IN THE CASE OF A NEAR-SURFACE DISPOSAL.
2. DRAWING-UP OF BASIC MANAGEMENT ROUTES: ON THE BASIS OF INVENTORIES AND CRITERIA ACCEPTANCE, THE CONTRACTOR WILL DEFINE ALL THE SUBSEQUENT DISPOSAL OPERATIONS BY NEAR-SURFACE DISPOSAL.
3. SENSITIVITY STUDIES: THOSE WILL BE PERFORMED IN ORDER TO DETERMINE THE IMPACT OF SOME IMPORTANT PARAMETERS ON COSTS AND DOSES.
4. COST ASSESSMENT: TO PERFORM THE COST EVALUATION, AN EXTENSIVE DESCRIPTION OF THE COMPONENTS ENTERING THE CAPITAL AND OPERATING COSTS FOR EACH MAIN STEP WILL BE CARRIED OUT.
5. ASSESSMENT OF THE OCCUPATIONAL EXPOSURE.
6. ASSESSMENT OF THE RADIOLOGICAL IMPACT TO THE PUBLIC.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology other engineering and technologies nuclear engineering nuclear waste management
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Coordinator
92265 Fontenay-aux-Roses
France
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