ENS 47923: Difference between revisions
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| event date = 05/14/2012 EDT | | event date = 05/14/2012 EDT | ||
| last update date = 05/14/2012 | | last update date = 05/14/2012 | ||
| title = Threading Deviations | | title = Threading Deviations on Steel Reinforcing Bar Supplied to Construction Projects | ||
| event text = This report was supplied for informational purposes. The threaded ends of some of the reinforcing bar supplied to the V.C. Summer Units 2 and 3 and the Vogtle Units 3 and 4 nuclear projects were found to have threads too long or too short, double threaded areas, voids in threads, or an incorrect thread profile. | | event text = This report was supplied for informational purposes. The threaded ends of some of the reinforcing bar supplied to the V.C. Summer Units 2 and 3 and the Vogtle Units 3 and 4 nuclear projects were found to have threads too long or too short, double threaded areas, voids in threads, or an incorrect thread profile. | ||
The results of evaluations of this condition as documented by Shaw Nuclear and conducted in accordance with the procedure for performing evaluations required by 10 CFR 21.21, have concluded that the deviations in the rebar would not create a substantial safety hazard, if they were to remain uncorrected. Therefore, it has been determined that these deviations are not reportable under the requirements of 10 CFR Part 21. This information is being provided for industry awareness of the occurrence of these types of deviations in reinforcing steel being provided as a basic component. | The results of evaluations of this condition as documented by Shaw Nuclear and conducted in accordance with the procedure for performing evaluations required by 10 CFR 21.21, have concluded that the deviations in the rebar would not create a substantial safety hazard, if they were to remain uncorrected. Therefore, it has been determined that these deviations are not reportable under the requirements of 10 CFR Part 21. This information is being provided for industry awareness of the occurrence of these types of deviations in reinforcing steel being provided as a basic component. | ||
Latest revision as of 21:04, 1 March 2018
| Where | |
|---|---|
| Gerdau Long Steel North America Charlotte, North Carolina (NRC Region 1) | |
| Organization: | Shaw Group Inc. |
| Reporting | |
| 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
| Time - Person (Reporting Time:+10.77 h0.449 days <br />0.0641 weeks <br />0.0148 months <br />) | |
| Opened: | Edward Hubner 14:46 May 14, 2012 |
| NRC Officer: | Pete Snyder |
| Last Updated: | May 14, 2012 |
| 47923 - NRC Website | |