Development of total data management system for safe and stable operation, maintenance and management at Rokkasho Reprocessing Plant

In order to safely and stably operate, maintain and manage at Rokkasho Reprocessing Plant (RRP), it is necessary to implement the works on the basis of enormous volumes of information such as more than 60,000 process values, several hundred thousand pieces of equipment, and more than 150,000 volumes of design documents. At RRP, the development of Total Data Management System (TDMS) is in progress for the purpose of collecting, accumulating and maintaining and providing all this enormous information to operators and maintenance staff in the form required by them. (author)