ML16225A451
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| ML16225A451 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 08/11/2016 |
| From: | NRC/RGN-III |
| To: | Exelon Generation Co |
| References | |
| Download: ML16225A451 (1) | |
Text
ADAMS Accession Number ML16225A451 NRC Information Request (8/11/16) - IP 71111.18-Braidwood U1 - Documents Selected for Onsite Review.
Please provide a hard copies (or electronic copies) of the documents below to the Braidwood Resident Inspectors Office on or before 10:00 am on August 29, 2016.
This information is necessary to support NRC reviews in accordance with IP 711111.18 Plant Modifications of the Unit 1 reactor head peening modification scheduled to occur during the upcoming refueling outage. Please direct questions on this request to the lead inspector Mel Holmberg at msh@nrc.gov or 630-829-9748.
- 1. Schedule for onsite peening mockup demonstrations (if any) or documents that recorded result of prior mockup demonstrations for each type of peening process.
- 2. Schedule for peening activities during the upcoming Unit 1 refueling outage.
- 3. Points of contact (names, titles, and phone numbers for site and vendor staff responsible for the head peening project).
- 4. Documents that describe/summarize the planned changes to vendor equipment, configuration of peening equipment, or peening processes from that applied during Byron Unit 2 reactor head peening (e.g. lessons learned).
- 5. Documents that describe/summarize planned changes to the reactor head stand (or other structures) to support vessel head peening modification.
- 6. Design Change Packages (including 10 CFR 50.59 screening/evaluations) for each type of reactor head peening process (e.g. cavitation and rotary peening) and supporting vendor analysis/reports including results of vendor mockup tests that confirm no detrimental effect on detection of flaws following each type of peening process.
- 7. Design Change Packages (including 10 CFR 50.59 screening/evaluations) for modifications to the reactor head to support peening (e.g. permanent thermal sleeve removal or planned permanent configuration changes).
- 8. Work order(s) implementing the head peening activities.
- 9. Vendor/site procedures that implement the peening process.
- 10. Documentation of the qualification of for each type of peening process as a special process under Appendix B Criterion IX.
- 11. Proposed post modification acceptance tests for the head peening modification.