What is currently the maximum permissible time interval between the audits for the same functional area?

The maximum permissible time interval is 24 months according to the NPP Krsko internal procedure; specific areas have more stringent time interval in accordance with Reg. Guide 1.33.

Does the quality assurance programme for the Krsko NPP also consider ageing phenomena?

The QA Programme is written in conformance with 10CFR50 App. B. The current QA programme is applicable for the life of the plant including decommissioning and is not directly addressing ageing phenomena. The programme however calls for regular internal auditing of the ISI programme. ISI programme was prepared on the basis of ASME Sec. XI (1986).

Is there a QA programme applied by SNSA to regulatory activities?

SNSA has no overall QA-programme for the regulatory work. QA procedures are being developed with lower priority although the need for the programme has been recognised. There are in use Administrative Procedures for the functioning of the Administration, Inspection Manual Procedures and Emergency Plan Procedures. Help is received in the preparation of the procedures from the EU through the RAMG (Regulatory Assistance Management Group) Programme. SNSA is subject of auditing for the regulatory work by the Ministry of Justice and by the Ministry of Finance for the financial policy. Besides, SNSA work is reviewed by different missions of the IAEA and EU. IRRT mission is planned for the end of 1999.

How does the SNSA control the efficiency of the QA-programme at Krsko?

In accordance with the yearly inspection programme SNSA performs inspections (audits) of the efficiency of Krsko QA Programme three times per year. Findings of the inspection are presented and the defficiencies are requested to be corrected by the NPP Krsko.

How are internal audits planned and performed at Krsko?

In accordance with audit programme procedures which comply to the requirements of ANSI N45.2 and NQA-1. The internal audits programme is defined in an internal procedure. The QAP procedures define the performance of audits.