NLS2008010, Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models for 2007: Difference between revisions

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| issue date = 01/22/2008
| issue date = 01/22/2008
| title = Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models for 2007
| title = Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models for 2007
| author name = VanDerKamp D
| author name = Vanderkamp D
| author affiliation = Nebraska Public Power District (NPPD)
| author affiliation = Nebraska Public Power District (NPPD)
| addressee name =  
| addressee name =  
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=Text=
=Text=
{{#Wiki_filter:N Nebraska Public Power District Always there when you need us 50.46(a)(3)(ii)
{{#Wiki_filter:N Nebraska Public Power District Always there when you need us 50.46(a)(3)(ii)
NLS2008010 January 22, 2008.U.S& Nuclear Regulatory Commission Attention:
NLS2008010 January 22, 2008.
Document Control Desk Washington, DC 20555-0001
U.S&Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001


==Subject:==
==Subject:==
Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models for 2007 Cooper Nuclear Station, Docket No. 50-298, DPR-46*
Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models for 2007 Cooper Nuclear Station, Docket No. 50-298, DPR-46


==Reference:==
==Reference:==
: 1. Letter from Paul Fleming, Nebraska Public Power District, to U.S.Nuclear Regulatory Commission, dated October 23, 2006, "Reporting of Changes in Emergency Core Cooling System Evaluation Models" 2. Letter from Paul Fleming, Nebraska Public Power District, to U.S.Nuclear Regulatory Commission, dated December 28, 2006,"Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models"  
: 1. Letter from Paul Fleming, Nebraska Public Power District, to U.S.
Nuclear Regulatory Commission, dated October 23, 2006, "Reporting of Changes in Emergency Core Cooling System Evaluation Models"
: 2.     Letter from Paul Fleming, Nebraska Public Power District, to U.S.
Nuclear Regulatory Commission, dated December 28, 2006, "Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models"


==Dear Sir or Madam:==
==Dear Sir or Madam:==
The purpose of this letter is to submit the 2007 annual report of changes or errors in the Emergency Core Cooling System (ECCS) Evaluation Models pursuant to 10 CFR 50.46(a)(3)(ii) for the Cooper Nuclear Station (CNS).By letter dated October 23, 2006 (Reference  
 
: 1) the Nebraska Public Power District (NPPD)reported the reanalysis of the Licensing Basis (LB) Peak Clad Temperature (PCT) for CNS, including the nature of the change and the estimated impact on PCT pursuant to 10 CFR 50.46(a)(3)(i).
The purpose of this letter is to submit the 2007 annual report of changes or errors in the Emergency Core Cooling System (ECCS) Evaluation Models pursuant to 10 CFR 50.46(a)(3)(ii) for the Cooper Nuclear Station (CNS).
That letter reported the revised LB PCT as 2040'F. By letter dated December 28, 2006 (Reference  
By letter dated October 23, 2006 (Reference 1) the Nebraska Public Power District (NPPD) reported the reanalysis of the Licensing Basis (LB) Peak Clad Temperature (PCT) for CNS, including the nature of the change and the estimated impact on PCT pursuant to 10 CFR 50.46(a)(3)(i). That letter reported the revised LB PCT as 2040'F. By letter dated December 28, 2006 (Reference 2) NPPD reported that there were no other errors or changes to the ECCS Evaluation Models used for CNS, and that the current value of PCT for CNS is 2040'F, as reported in Reference 1. By this letter NPPD reports that there have been no changes to or errors in the ECCS evaluation methodology during 2007, and that the PCT remains as 2040'F. As a result, CNS continues to comply with the PCT limit of 2200'F specified in 10 CFR 50.46(b)(1).
: 2) NPPD reported that there were no other errors or changes to the ECCS Evaluation Models used for CNS, and that the current value of PCT for CNS is 2040'F, as reported in Reference  
COOPER NUCLEAR STATION P.O. Box 98 / Brownville, NE 68321-0098 Telephone: (402) 825-3811 / Fax: (402) 825-5211 www.nppd.com
: 1. By this letter NPPD reports that there have been no changes to or errors in the ECCS evaluation methodology during 2007, and that the PCT remains as 2040'F. As a result, CNS continues to comply with the PCT limit of 2200'F specified in 10 CFR 50.46(b)(1).
 
COOPER NUCLEAR STATION P.O. Box 98 / Brownville, NE 68321-0098 Telephone:  
NLS2008010 Page 2 of 2 If you have any questions regarding this issue please call George Griffith, Fuels and Reactor Engineering Manager, at (402) 825-5831.
(402) 825-3811 / Fax: (402) 825-5211 www.nppd.com NLS2008010 Page 2 of 2 If you have any questions regarding this issue please call George Griffith, Fuels and Reactor Engineering Manager, at (402) 825-5831.Sincerely, David Van Der Kamp Licensing Manager/rT cc: Regional Administrator USNRC -Region IV Cooper Project Manager USNRC -NRR Project Directorate IV-1 Senior Resident Inspector USNRC -CNS CNS Records NPG Distribution George Griffith ATTACHMENT 3 LIST OF REGULATORY COMMITMENTS@
Sincerely, David Van Der Kamp Licensing Manager
0.ATTACHMENT 3 LIST OF REGULATORY COMMITMENTS0 Correspondence Number: NLS2008010 The following table identifies those actions committed to by Nebraska Public Power District (NPPD) in this document.
/rT cc:     Regional Administrator USNRC - Region IV Cooper Project Manager USNRC - NRR Project Directorate IV-1 Senior Resident Inspector USNRC - CNS CNS Records NPG Distribution George Griffith
Any other actions discussed in the submittal represent intended or planned actions by NPPD. They are described for information only and are not regulatory commitments.
 
Please notify the Licensing Manager at Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments.
ATTACHMENT 3                     LIST OF REGULATORY COMMITMENTS@
COMMITMENT COMMITTED DATE COMMITMENT NUMBER OR ,OUTAGE None_______ I. ___ ____4- 4 4- 4 PROCEDURE 0.42 REVISION 22 PAGE 18 OF 25}}
0.ATTACHMENT 3 LIST OF REGULATORY COMMITMENTS0 Correspondence Number: NLS2008010 The following table identifies those actions committed to by Nebraska Public Power District (NPPD) in this document. Any other actions discussed in the submittal represent intended or planned actions by NPPD. They are described for information only and are not regulatory commitments. Please notify the Licensing Manager at Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments.
COMMITMENT         COMMITTED DATE COMMITMENT                               NUMBER           OR ,OUTAGE None
_______                                                  I.___               ____
4-                 4 4-                 4 PROCEDURE 0.42                                               REVISION 22           PAGE 18 OF 25}}

Latest revision as of 07:35, 13 March 2020

Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models for 2007
ML080280308
Person / Time
Site: Cooper Entergy icon.png
Issue date: 01/22/2008
From: Vanderkamp D
Nebraska Public Power District (NPPD)
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
NLS2008010
Download: ML080280308 (3)
v • d • e


Text

N Nebraska Public Power District Always there when you need us 50.46(a)(3)(ii)

NLS2008010 January 22, 2008.

U.S&Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001

Subject:

Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models for 2007 Cooper Nuclear Station, Docket No. 50-298, DPR-46

Reference:

1. Letter from Paul Fleming, Nebraska Public Power District, to U.S.

Nuclear Regulatory Commission, dated October 23, 2006, "Reporting of Changes in Emergency Core Cooling System Evaluation Models"

2. Letter from Paul Fleming, Nebraska Public Power District, to U.S.

Nuclear Regulatory Commission, dated December 28, 2006, "Annual Report of Changes and Errors in Emergency Core Cooling System Evaluation Models"

Dear Sir or Madam:

The purpose of this letter is to submit the 2007 annual report of changes or errors in the Emergency Core Cooling System (ECCS) Evaluation Models pursuant to 10 CFR 50.46(a)(3)(ii) for the Cooper Nuclear Station (CNS).

By letter dated October 23, 2006 (Reference 1) the Nebraska Public Power District (NPPD) reported the reanalysis of the Licensing Basis (LB) Peak Clad Temperature (PCT) for CNS, including the nature of the change and the estimated impact on PCT pursuant to 10 CFR 50.46(a)(3)(i). That letter reported the revised LB PCT as 2040'F. By letter dated December 28, 2006 (Reference 2) NPPD reported that there were no other errors or changes to the ECCS Evaluation Models used for CNS, and that the current value of PCT for CNS is 2040'F, as reported in Reference 1. By this letter NPPD reports that there have been no changes to or errors in the ECCS evaluation methodology during 2007, and that the PCT remains as 2040'F. As a result, CNS continues to comply with the PCT limit of 2200'F specified in 10 CFR 50.46(b)(1).

COOPER NUCLEAR STATION P.O. Box 98 / Brownville, NE 68321-0098 Telephone: (402) 825-3811 / Fax: (402) 825-5211 www.nppd.com

NLS2008010 Page 2 of 2 If you have any questions regarding this issue please call George Griffith, Fuels and Reactor Engineering Manager, at (402) 825-5831.

Sincerely, David Van Der Kamp Licensing Manager

/rT cc: Regional Administrator USNRC - Region IV Cooper Project Manager USNRC - NRR Project Directorate IV-1 Senior Resident Inspector USNRC - CNS CNS Records NPG Distribution George Griffith

ATTACHMENT 3 LIST OF REGULATORY COMMITMENTS@

0.ATTACHMENT 3 LIST OF REGULATORY COMMITMENTS0 Correspondence Number: NLS2008010 The following table identifies those actions committed to by Nebraska Public Power District (NPPD) in this document. Any other actions discussed in the submittal represent intended or planned actions by NPPD. They are described for information only and are not regulatory commitments. Please notify the Licensing Manager at Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments.

COMMITMENT COMMITTED DATE COMMITMENT NUMBER OR ,OUTAGE None

_______ I.___ ____

4- 4 4- 4 PROCEDURE 0.42 REVISION 22 PAGE 18 OF 25

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