Alara-Prinzip bei der Nachrüstung von Borssele.
Traduction en anglais : The Alara principle in backfitting Borssele.
An extensive backfitting program, the Modifications Project, was carried out at the Borssele Nuclear Power Station.
It involved sixteen modifications to technical systems.
The scope of activities, and the dose rates encountered in places where work was to be performed, made it obvious from the outset that a high collective dose had to be anticipated a consequence, radiation protection within the project was organized in such a way that applicable radiation protection principles were applied in all phases of the project.
From the point of view of radiation protection the Modifications Project had to be subdivided into three phases, i.e., a conceptual design phase in which mainly the justification princple was applied, the engineering phase in which the Alara principle was employed ; the execution phase in which management of the (internal) dose limits had to be observed in addition to the Alara principle.
Throughout all project phases, radiation protection considerations and results were documented in so-called Alara reports and radiation protection checklists.
As a result of the strictest possible observance of radiation protection principles in all phases of the project, a collective dose of 2505 mSv was achieved, which stands for a reduction by a factor of 4 compared to the very first estimate.
In view of the scope and complex nature of the activities involved, and the radiation levels in the Borssele Nuclear Potter Station, this is an excellent result.
Mots-clés Pascal : Centrale nucléaire, Pays Bas, Europe, Projet, Protection rayonnement, Dose rayonnement, Analyse avantage coût
Mots-clés Pascal anglais : Nuclear power plant, Netherlands, Europe, Project, Radiation protection, Radiation dose, Cost benefit analysis
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 98-0482206
Code Inist : 001D06D04D. Création : 19/02/1999.