Quality assurance requirements for NSSS-equipment of a BWR-6, and quality levels in the stores of a manufacturer of primary-circuit nuclear components

The first part of the paper describes the system used for determining the various levels of quality assurance for nuclear steam supply system (NSSS) equipment of the BWR-6 reactors which General Electric is now building in Spain. It also shows the procedure followed by the General Electric Technical Services Company (GETSCO) for the purchase and fabrication of equipment in Spain, paying due attention to the existing quality assurance requirements. The second part of the paper describes the instrumentation of the various quality assurance levels in the storage system of Equipos Nucleares, S.A. (ENSA), the Spanish manufacturer of the primary components of the NSSS. (author)