• Development of the Conceptual decommissioning plan,
• Description of the initial status before starting the decommissioning process,
• Preliminary inventories and definition of the decommissioning operations,
• Definition of the preparatory activities for the decommissioning process,
• Assessment of three alternatives of decommissioning describing each particular stage (legislative, technical, financial, staffing and time provisions, control of the radiological situation, etc.),
• Comprehensive comparison of analysed alternatives.