ML042010318
| ML042010318 | |
| Person / Time | |
|---|---|
| Site: | Prairie Island  |
| Issue date: | 05/13/2004 |
| From: | Mahesh Chawla NRC/NRR/DLPM/LPD3 |
| To: | Vincent D Nuclear Management Co |
| Chawla M, NRR/DLPM, 415-8371 | |
| References | |
| Download: ML042010318 (2) | |
Text
From:
Mahesh Chawla To:
Dale.Vincent@nmcco.com Date:
5/13/04 10:18AM
Subject:
Prairie Island - Units 1& 2-LAR - 3/25/04 - Main Steam Line Mass & Energy release using BAW-10169-A In reference to the above submittal, NRC staff has following questions which they would like to discuss with you. Please indicate your availability to have a teleconference with the staff.
- 1. Page 5. Explain the choice of 0.6 ft2 for the lower bound break size for the sensitivity study.
Are split breaks considered?
- 2. Verify that both cases with and without loss of offsite power will be considered to determine the limiting case.
- 3. Describe or provide a reference for the treatment of entrainment in the break flow. Was this included in the core response calculations?
- 4. Page 5. The statement is made that liquid inventory is maximized. But this corresponds to zero power. How is this consistent with sensitivity study to select limiting power?
- 5. Page 5. Why isnt a single failure of the auxiliary feedwater automatic run-out protection analyzed?
- 6. Page 5. Is the description of the modeling of the steam system consistent with the current licensing basis?
CC:
Richard Lobel Mail Envelope Properties (40A38399.D8D : 15 : 21352)
Subject:
Prairie Island - Units 1& 2-LAR - 3/25/04 - Main Steam Line Mass &
Energy release using BAW-10169-A Creation Date:
5/13/04 10:18AM From:
Mahesh Chawla Created By:
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