Part 21 Report - 1997-406
ACCESSION #: 9707150337
Interim Report (97-005)
Subject;
Interim report of evaluation of a deviation pursuant to 10 CFR 21.21
(a)(2)
Title:
Adequacy of Systematically Meeting Generic Design Criteria for ATRIUM-10
Fuel Design
Identification of Basic Activity
Same as title
Basic Activity Supplied By:
Siemens Power Corporation - Nuclear Division
Nature of Deviation;
The NRC did not consider during NRC Inspection 99900081/97-01 SPC to have
sufficiently satisfied generic design criteria. Further, issues
surrounding the ANFB CHF correlation as applied to ATRIUM-10 provided
support to this concern. Specific to this example, the NRC believed that
SPC failed to implement all aspects of the methodology including handling
of the flow bias nature of the ATRIUM-10 CHF behavior.
Discovery Date:
May 13, 1997
Corrective Actions to Date:
Nonconformance report (NCR 6159) was prepared and processed by the
management review team as required by SPC-ND's Quality Assurance Manual,
EMF-1. Project definition is proceeding and will be documented as part
of a response to the NRC inspection report.
Evaluation Completion Schedule Date:
See "Corrective Actions to Date" above
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