ML101160149
| ML101160149 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 04/22/2010 |
| From: | Pamela Longmire NRC/NMSS/SFST/LID/LB |
| To: | Weaver D NRC/NMSS/SFST/LID |
| Shared Package | |
| ML101160130 | List: |
| References | |
| TAC L24203 | |
| Download: ML101160149 (17) | |
Text
1 Prairie Island ISFSI TN-40HT Amendment Second Request for Additional Information (RAI)
Public Meeting April 20, 2010
2 Agenda Purpose Importance of TN-40HT Amendment Prairie Island (PINGP) Independent Spent Fuel Storage Installation (ISFSI) Background TN-40HT Amendment Status Outstanding Request for Additional Information (RAI) Issues Schedule Questions
3 Purpose Communicate importance of amendment Communicate Xcel responses, solicit feedback for supplement Promote license amendment progress Mutually-agreeable schedule for amendment
4 Importance of TN-40HT Amendment Essential for reactor operation after 2012 40-assembly capacity essential Strategic
- State Certificate of Need assumed TN-40HT
- State of Minnesota legislative stay Cask fabrication is at risk Need for TN-40HT Amendment
- Spent fuel discharge status
5 PINGP ISFSI Background Site-Specific License (1993)
One cask design (TN-40)
Mature ISFSI Program
6 Outstanding RAI Issues Helium Leak Testing of base metal
- 2nd Round RAI A5-2 [ML093310293]
QA Categories not NUREG/CR-6407
- 2nd Round RAI A1-1 [ML093310293]
TN use of foreign material standards
7 TN-40HT Amendment Status Submitted 3-28-2008 RAI response 6-26-2009 RAI response 1-18-2010
- Telecon 1-27-2010
- Telecon 2-1-2010
- Telecon 4-1-2010 Three (3) outstanding items Amendment review suspended
8 Issue: Helium Leak Testing of Base Metal N14.5 fabrication testing refers to entire containment boundary
9 Reply: Helium Leak Testing of Base Metal SAR already requires fabrication helium leak test of welds and seals Revise SAR to extend fabrication leak test to include:
- shell base metal
- lid plate and port covers
- All tests in compliance with N14.5
10 Issue: QA Categories not NUREG/CR-6407 Existing QA Categories not per NUREG
11 Reply: QA Categories not NUREG/CR-6407 Adopt NUREG categories for TN-40HT
- QA Topical Report allows for NUREG categories
- Revise TN-40HT parts list categories
12 Issue: TN use of foreign material standards SAR does not define equivalence for use of non-ASTM materials
13 Reply: TN use of foreign material standards Only ASTM/ASME materials will be used on Important to Safety parts as listed on SAR drawings SAR drawings will be revised to remove note that allowed equivalent material standards
14 Summary
- 1. Helium leak test entire cask
- 2. Implement NUREG/CR-6407 categories
15 Schedule Targeting responses by May 7th Fall 2010 cask loading campaign Requested 90 days for implementation
16 Questions
17 Xcel Energy*