Similar Documents at Ginna |
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Category:E-Mail
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ML20106F2482020-04-15015 April 2020
Acceptance Review: R. E. Ginna Nuclear Power Plant to Implement WCAP, TSTF-411, and TSTF-418
2023-11-07
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Text
NRR-PMDAPEm Resource From: Thadani, Mohan Sent: Tuesday, February 04, 2014 1:19 PM To: Harding Jr, Thomas (Thomas.HardingJr@cengllc.com)
Cc: Beasley, Benjamin
Subject:
FW: Ginna TS change to Increase Containment Air Temperature Importance: High Tom:
After reviewing the RAI response for the subject TS change request the NRC staff needs additional information to justify the containment air temperature increase.
There are two areas of concern and a clarification in the RAI response.
- 1. The RAI response does include any evaluation of how the accumulator temperature affects the PCT pre-TCD. Westinghouse has previously stated that TCD changes everything. They should have data about the high accumulator temperature cases pre-TCD followed by the effect of TCD after the accumulator temperature has been corrected.
- 2. The licensee refers to 50.46(a)(3)(i) in their response whereas the RAI refers to 50.46(a)(1)(i).
- 3. Clarification of what the licensee if referring to when it states that there is ~250F margin to the limiting results. Is this 250F margin between TCD and non-TCD cases or 250F between the limiting case and acceptance criterion? The PCT in the LAR is 2116F which is not 250F from the acceptance criteria of 2200F.
We would like to arrange a conference call to discuss the above concerns. Please let me know if a call can be arranged promptly to support our review process.
Best regards, Mohan C Thadani Senior Project Manager FitzPatrick, Ginna, and Constellation Fleet Plants Plant Licensing Branch I-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation (301) 415-1476 Mohan.Thadani@nrc.gov 1
Hearing Identifier: NRR_PMDA Email Number: 1088 Mail Envelope Properties (Mohan.Thadani@nrc.gov20140204131900)
Subject:
FW: Ginna TS change to Increase Containment Air Temperature Sent Date: 2/4/2014 1:19:01 PM Received Date: 2/4/2014 1:19:00 PM From: Thadani, Mohan Created By: Mohan.Thadani@nrc.gov Recipients:
"Beasley, Benjamin" <Benjamin.Beasley@nrc.gov>
Tracking Status: None "Harding Jr, Thomas (Thomas.HardingJr@cengllc.com)" <Thomas.HardingJr@cengllc.com>
Tracking Status: None Post Office:
Files Size Date & Time MESSAGE 1494 2/4/2014 1:19:00 PM Options Priority: High Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:
Recipients Received:
