ML12086A005: Difference between revisions

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=Text=
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{{#Wiki_filter:Accession No. ML12086A005 From: Tam, Peter Sent: Friday, March 23, 2012 11:07 AM To: Loeffler, Richard A.; Rippy, L. Randal Cc: Hatchett, Gregory  
{{#Wiki_filter: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:==
==Subject:==
Acceptance Review for Relief Requests conveyed by NSPM letter of 9/28/2011 (TAC ME8088 - ME8096)
Acceptance Review for Relief Requests conveyed by NSPM letter of 9/28/2011 (TAC ME8088 - ME8096)
Rick, Randall:  
Rick, Randall:
 
The NRC staff found the following relief requests conveyed by NSPMs 9/28/2011 letter acceptable for review in accordance with NRR Office Instruction LIC-109:
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 5th interval
* Relief Request IST VR-03 for 5 th interval
* Relief Request IST VR-02 for 5th Interval
* Relief Request IST VR-02 for 5 th Interval
* Relief Request IST VR-01 for 5th interval
* Relief Request IST VR-01 for 5 th interval
* Relief Request IST PR-06 for 5th interval
* Relief Request IST PR-06 for 5 th interval
* Relief Request IST PR-05 for 5th interval
* Relief Request IST PR-05 for 5 th interval
* Relief Request IST PR-04 for 5th interval
* Relief Request IST PR-04 for 5 th interval
* Relief Request IST PR-03 for 5th interval
* Relief Request IST PR-03 for 5 th interval
* Relief Request IST PR-02 for 5th interval
* Relief Request IST PR-02 for 5 th interval
* Relief Request IST PR-01 for 5th 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.
* 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)
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}}
Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Tel. 301-415-1451}}

Latest revision as of 06:21, 12 November 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)
v • d • e


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 NSPMs 9/28/2011 letter acceptable for review in accordance with NRR Office Instruction LIC-109:

  • Relief Request IST VR-03 for 5th interval
  • Relief Request IST VR-02 for 5th Interval
  • Relief Request IST VR-01 for 5th interval
  • Relief Request IST PR-06 for 5th interval
  • Relief Request IST PR-05 for 5th interval
  • Relief Request IST PR-04 for 5th interval
  • Relief Request IST PR-03 for 5th interval
  • Relief Request IST PR-02 for 5th interval
  • Relief Request IST PR-01 for 5th 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

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