An Estimate and Evaluation of Design Error Effects on Nuclear Power Plant Design Adequacy

by John D. Stevenson, Stevenson & Associates, Cleveland, OH, USA,

Document Type: Proceeding Paper

Part of: Structural Engineering in Nuclear Facilities


An estimate by the author is found of typical error levels contained in Structural-Mechanical-Civil Design and Stress Reports. Based on the original analysis performed to demonstrate design adequacy as shown in final Stress Design Reports, it is estimated that if all design errors were identified this would result in approximately 1. 5% of the components analyzed failing to meet the acceptance criteria. More rigorous reanalysis would reduce failure to meet acceptance criteria by a factor of 10 leading to a reduced 0. 15% rate.

Subject Headings: Power plants | Errors (statistics) | Nuclear power | Stress analysis | Failure analysis | Structural design | Power outage | Structural failures

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