ML072980670
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| ML072980670 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon, Vogtle, Waterford, Farley, Fort Calhoun  |
| Issue date: | 10/24/2007 |
| From: | - No Known Affiliation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML072980670 (5) | |
Text
GEH Chemical Effects Testing Update October 24, 2007
2 October 24, 2007 Licensees Supported by GE for Chemical Effects Evaluation Module - CDI Low Testing Complete Diablo Canyon 1 & 2 Integrated 30-day High Testing Planned Q4 2007 / Q1 2008 Waterford 3 Integrated 30-day High Testing Planned Q4 2007 / Q1 2008 Vogtle 1 & 2 Module - CDI Low Testing Planned Q4 2007 Fort Calhoun Module - CDI Low Testing Planned Q4 2007 Farley 1 & 2 Chemical Effects Test Type Relative Fiber Loading Status Domestic PWRs
3 October 24, 2007 Chemical Effects Testing Precipitant Reduction
- Alion is conducting bench-top chemical effects formation tests to investigate reduction of the WCAP-16785 precipitant source term.
- Results of bench top testing will be used as input to module chemical effects testing at CDI in 4th Quarter, 2007.
4 October 24, 2007 Chemical Effects Testing Module/Large Scale
- For strainer installations with relatively low fiber loads, GE performs large scale head loss testing using a test strainer module with particulate and fiber debris loads and WCAP-16785 chemical precipitants prepared at the test site (CDI).
- Test results are used to determine plant strainer maximum debris and chemical effect head loss.
- Module chemical effects testing will be performed for Fort Calhoun Station and Farley Units 1 & 2.
- Module chemical effects testing is complete for Diablo Canyon; results were presented in the August GSI-191 meeting.
5 October 24, 2007 Chemical Effects Testing Long-Term Testing
- For strainer installations with higher fiber loads, Alion will perform integrated 30-day chemical effects formation and head loss tests using plant specific debris loads, containment sump chemistry and post-LOCA temperature profile.
- Integrated 30-day test to be performed for Waterford Unit 3 and Vogtle Units 1 & 2.
- Results will be applied to module head loss test data to determine plant debris and chemical effect head loss.