ML081490634
| ML081490634 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 05/22/2008 |
| From: | Jack Cushing NRC/NRR/ADRO/DORL/LPLIII-1 |
| To: | Scarpello M, Tam P American Electric Power Co, NRC/NRR/ADRO/DORL/LPLIII-1 |
| tam P, NRR/DORL, 415-1451 | |
| References | |
| TAC MD5297 | |
| Download: ML081490634 (2) | |
Text
From: Jack Cushing Sent: Thursday, May 22, 2008 4:55 PM To: 'mkscarpello@aep.com'; Peter Tam
Subject:
Draft RAIs for the DC Cook SBLOCA Reanalysis.doc Attachments: Second Round RAIs for the DC Cook SBLOCA Reanalysis.doc
Mike Attached are the draft RAIs that resulted from the Telcon with Keith Steinmetz. There were no changes for the RAIs for the other RAIs discuss on the call. Keith Steinmetz wanted to get working on the information needs.
Jack E-mail Properties Mail Envelope Properties ()
Subject:
Draft RAIs for the DC Cook SBLOCA Reanalysis.doc Sent Date: 05/22/2008 4:49:58 PM Received Date: 05/22/2008 4:55:00 PM From: Jack Cushing
Created By: Jack.Cushing@nrc.gov
Recipients:
mkscarpello@aep.com ('mkscarpello@aep.com')
Tracking Status: None Peter.Tam@nrc.gov (Peter Tam)
Tracking Status: None
Post Office:
Files Size Date & Time
MESSAGE 30257 05/22/2008 Second Round RAIs for the DC Cook SBLOCA Reanalysis.doc 24388
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Priority: olImportanceNormal ReplyRequested: False Return Notification: False
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>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Draft RAIs for the DC Cook SBLOCA Reanalysis 1.0 Please provide the mixture and liquid levels in the uphill side of the steam generators connected to the hot leg for all of the break sizes provided to the staff for review.
2.0 Please also show the mass flow rate vs time at the inlet to the steam generator at the tube sheet for the breaks submitted to the staff for review.
3.0 Please provide a comparison of the liquid levels in the downcomer and the inner vessel (upper plenum, core, and lower plenum) region of the reactor vessel. Please also show the top and bottom elevation of the core.
4.0 Please show the effect of a reduction in time step on the mixture levels for the 2 and 2.5 inch breaks. Show convergence such that further reductions in time step have no effect on the mixture level.