ML12086A005: Difference between revisions

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| issue date = 03/23/2012
| issue date = 03/23/2012
| title = Acceptance Review of TAC ME8088 to ME8096
| title = Acceptance Review of TAC ME8088 to ME8096
| author name = Tam P S
| author name = Tam P
| author affiliation = NRC/NRR/DORL/LPLIII-1
| author affiliation = NRC/NRR/DORL/LPLIII-1
| addressee name = Loeffler R, Rippy L R
| addressee name = Loeffler R, Rippy L
| addressee affiliation = Northern States Power Co
| addressee affiliation = Northern States Power Co
| docket = 05000263
| docket = 05000263
| license number = DPR-022
| license number = DPR-022
| contact person = Tam P S
| contact person = Tam P
| case reference number = TAC ME8088, TAC ME8089, TAC ME8090, TAC ME8091, TAC ME8092, TAC ME8093, TAC ME8094, TAC ME8095, TAC ME8096
| case reference number = TAC ME8088, TAC ME8089, TAC ME8090, TAC ME8091, TAC ME8092, TAC ME8093, TAC ME8094, TAC ME8095, TAC ME8096
| document type = E-Mail
| document type = E-Mail

Revision as of 02:38, 29 June 2019

Acceptance Review of TAC ME8088 to ME8096
ML12086A005
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 03/23/2012
From: Tam P
Plant Licensing Branch III
To: Loeffler R, Rippy L
Northern States Power Co
Tam P
References
TAC ME8088, TAC ME8089, TAC ME8090, TAC ME8091, TAC ME8092, TAC ME8093, TAC ME8094, TAC ME8095, TAC ME8096
Download: ML12086A005 (1)


Text

Accession No. ML12086A005 From: Tam, Peter Sent: Friday, March 23, 2012 11:07 AM To: Loeffler, Richard A.; Rippy, L. Randal Cc: Hatchett, Gregory

Subject:

Acceptance Review for Relief Requests conveyed by NSPM letter of 9/28/2011 (TAC ME8088 - ME8096)

Rick, Randall:

The NRC staff found the following relief requests conveyed by NSPM's 9/28/2011 letter acceptable for review in accordance with NRR Office Instruction LIC-109:

  • Relief Request IST VR-03 for 5 th interval
  • Relief Request IST VR-02 for 5 th Interval
  • Relief Request IST VR-01 for 5 th interval
  • Relief Request IST PR-06 for 5 th interval
  • Relief Request IST PR-05 for 5 th interval
  • Relief Request IST PR-04 for 5 th interval
  • Relief Request IST PR-03 for 5 th interval
  • Relief Request IST PR-02 for 5 th interval
  • Relief Request IST PR-01 for 5 th interval With respect to Relief Request IST PR-03, HPCI pump vibration, the NRC staff needs clarification of the basis for the consultants analysis which the licensees relies on, in part, to demonstrate the acceptably of the vibration in the vertical direction being in the alert range without requiring the additional testing specified in the OM Code. Further, the licensee asserts industry history demonstrates no failures have been attributed to extended hours of pump operation at vibration levels exceeding 0.325 in/Sec were found. It is unclear what industry history the licensee is referring and it would be helpful if the licensee would clarify this statement. Possibly you can communicate the clarification by a phone call or e-mail.

Peter S. Tam Senior Project Manager (for D. C. Cook and Monticello) Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Tel. 301-415-1451