ENS Event | |
|---|---|
08:00 Feb 6, 2015 | |
| Title | Part 21 Report - Shutdown Margin Monitor Environmental Qualification Noncompliance |
| Event Description | {{#Wiki_filter:The following is an excerpt of a report received from the vendor via email:
A deviation has been identified in the SDMM supplied by Thermo Gamma-Metrics LLC. The SDMM will fail during conditions of simultaneous high temperature and high humidity less than the values reported in Qualification Test Report (QTR) 010. Testing has indicated the SDMM would not properly operate above a certain value of moisture content corresponding to a dew point of around 128�F. QTR 010 listed qualified temperature and humidity conditions corresponding to a dew point of around 136�F. The vendor has issued a revised qualification test report which documents the revised qualified conditions for the affected SDMMs. The following plants are potentially affected: ANO U2; Millstone U3; Prairie Island U1 & U2; Seabrook U1 & U2; South Texas U1 & U2; St. Lucie U1; Catawba U1 & U2; McGuire U1 & U2; Salem U1 & U2; Calvert Cliffs U1 & U2; Almaraz U1 & U2; Sequoyah U1 & U2; Watts Bar U1 & U2; Vogtle U1 & U2; Byron U1 & U2; Ringhals U2, U3 & U4. }} |
| Where | |
|---|---|
| Thermo Gamma-Metrics Llc San Diego, California (NRC Region 4) | |
| Organization: | Thermo Gamma-Metrics Llc |
| Reporting | |
| 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
| Time - Person (Reporting Time:+5.28 h0.22 days <br />0.0314 weeks <br />0.00723 months <br />) | |
| Opened: | Clark Artaud 13:17 Feb 6, 2015 |
| NRC Officer: | Daniel Mills |
| Last Updated: | Feb 6, 2015 |
| 50791 - NRC Website | |
Thermo Gamma-Metrics Llc with 10 CFR 21.21(d)(3)(i), Failure to Comply or Defect | |
WEEKMONTHYEARENS 507912015-02-06T08:00:0006 February 2015 08:00:00
[Table view]10 CFR 21.21(d)(3)(i), Failure to Comply or Defect Part 21 Report - Shutdown Margin Monitor Environmental Qualification Noncompliance 2015-02-06T08:00:00 | |