HomeWaste Technology Section
Underground Research Facilities Network (URF)
Regional Training Course on Fundamentals of Geological Disposal
14—22 June 2011, Prague, Czech Republicday 1
Module I: the basic concept of geological disposal
The concept of geological disposalWaste types, origins, inventories properties
Geological environments for waste disposal
Presentations by participants: status of their national programmes and key issues that are currently of importance
day 2
Module II: repository design and construction
Repository design and safety conceptsEngineering, constructing and operating a repository
Module III: site selection
Group discussion: structuring a national radioactive waste management programmePresentations:
- Decision points and staging of programmes
- Historical lessons from waste management programmes
- Case History: example from an ongoing national programme
Tectonics and repository siting
day 3
Module IV : site characterization
Site characterization in crystalline environmentsSite characterization in sedimentary environments
Module V: retardation of radionuclides in the repository multi-barrier system
Degradation of engineered barriers and the mobilization, migration and retardation of radionuclides in the deep geological environmentday 4
Module VI: stakeholder dialogue
Group exercise: stakeholder dialogueStakeholder dialogue: the theory
Case studies from around the world
Breakout groups: Programme design of stakeholder dialogue at a hypothetical repository site
Presentation of results by each group and discussion by peers
day 5
Module VII: MAA (Multi Attribute Analysis) as an aid to sitting decisions
Objective and options to be comparedFactor to be consider
Data sets
Scoring and weighting factors
Demonstration (interactive practice)
Evaluation
Analysis of exercise
day 6
Module VIII a: practical aspects of waste disposal in the JOSEF Underground Educational Facility (UEF)
Downhole equipment installation (site characterization stage)Core drilling and core evaluation (site characterization stage)
Tunnel convergence measurements (repository construction and operational phases)
In-tunnel equipment installation (repository operational and monitoring phases)
day 7
Module VIII b: practical aspects of waste disposal in JOSEF UEF
Data recording (repository operational and monitoring phases)Buffer and backfill technology, including buffer installation (operational phase)
Gas permeability tests (repository operational and monitoring phases)
day 8
Module IX: performance and safety assessment
Basics of performance and safety assessment- Common basis of radiological safety standards and different regulations worldwide
- What is a safety case?
- Setting PA/SA objectives: deciding what to evaluate and when
- Probabilistic and deterministic methods
- Scenario definition and use
- Calculational methods and tools
Showing it is safe: other ways of presenting the evidence
- Geochemical indicators
- Natural analogues
