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LTO rapport Tihange Versie 2 dd 30.06.2012

LTO rapport Tihange Versie 2 dd 30.06.2012

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Méthodologie<br />

41<br />

Phase 1 : Scoping<br />

L’objectif global du Scoping est de définir les SSC qui seront soumis à un champ d’analyse<br />

<strong>LTO</strong>-Ageing (Scope <strong>LTO</strong>-Ageing, dans les pages suivantes).<br />

AME standard<br />

Scoping<br />

Screening<br />

Ageing<br />

Management<br />

Review (AMR)<br />

Condition<br />

Assessment<br />

(CA)<br />

Ageing Management<br />

Program Review<br />

(AMP Review)<br />

Définir: Ageing Management Programs (AMP)<br />

Déterminer: Time Limited Ageing Analyses (TLAAs)<br />

Apport AIEA pour le Scoping<br />

L’AIEA visualise le processus de Scoping comme suit :<br />

For all plant system, structure or<br />

component (SSC), identify<br />

applicable information sources<br />

(process the SSC through each part)<br />

Is the SSC<br />

Safety Related<br />

YES<br />

Is the SC<br />

replaced or<br />

refurbished on<br />

a specified time<br />

interval<br />

NO<br />

SC subject to <strong>LTO</strong> review<br />

NO<br />

YES<br />

Does nonsafety<br />

related<br />

SC failure<br />

impact safety<br />

functions<br />

YES<br />

NO<br />

Not subject to <strong>LTO</strong><br />

Requirements of the current design basis are valid ISI/S/T, monitoring, maintenance,<br />

refurbishments and reconstructions within the framework of normal plant life management<br />

Implementation of the regulation for the evaluation of maintenance effectiveness<br />

(applicable to countries with Maintenance rules)<br />

Source: IAEA schematic about scoping for <strong>LTO</strong> evaluation<br />

Figure 8 : schéma AIEA de Scoping pour l’évaluation <strong>LTO</strong><br />

Rapport <strong>LTO</strong> – version 2.0 – 30 juin 2012

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