ML061150354

Commitment Regarding License Amendment Request to Increase Voltage Limit for Emergency Diesel Generator Load Rejection Surveillance Test

ML061150354
Person / Time
Site:	Cook   (DPR-058, DPR-074)
Issue date:	04/13/2006
From:	Jensen J Indiana Michigan Power Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
AEP:NRC:6381-03
Download: ML061150354 (4)

Text

il 16 INDIANA MICHIGAN POWER' A unit of Americin Electric Power Indiana Michigan Power Cook Nuclear Plant One Cook Place Bridgman, Ml 491)6 AEPcom April 13, 2006 AEP:NRC:6381-03 10 CFR 50.91(a)(5)

U. S. Nuclear Regulatory Commission ATIN: Document Control Desk Mail Stop O-P1-17 Washington, DC 20555-0001

References:

1.

Donald C. Cook Nuclear Plant Unit 1 and Unit 2 Docket Nos. 50-315 and 50-316 Commitment Regarding License Amendment Request to Increase Voltage Limit for Emergency Diesel Generator Load Rejection Surveillance Test Letter from J. N. Jensen, Indiana Michigan Power Company (I&M) to lJ. S.

Nuclear Regulatory Commission (NRC) Document Control Desk, "License Amendment Request to Increase Voltage Limit for Emergency Diesel Gene:rator Load Rejection Surveillance Test," dated April 10, 2006.

2. Letter from D. P Fadel, I&M, to "Supplement to License Amendment Emergency Diesel Generator Load April 12, 2006.

U. S. NRC Document Control Desk, Request to Increase Voltage Limit for Rejection Surveillance Test," dated

3. Letter from D. P Fadel, I&M, to U. S. NRC Document Control Desk, "Second Supplement to License Amendment Request to Increase Voltage Limit for Emergency Diesel Generator Load Rejection Surveillance Test,"

dated April 13, 2006.

Dear Sir or Madam:

This letter provides a commitment regarding a proposed license amendment for the Donald C. Cook Nuclear Plant (CNP), Unit 1 and Unit 2.

By Reference 1, I&M proposed to amend Facility Operating Licenses DPR-58 and DPR-74 for C NP.

I&M proposed to increase the voltage limit for the emergency diesel generator (DG) full load rejection Technical Specification (TS) Surveillance Requirement (SR). The proposed amend:nent was requested on an emergency basis for Unit 2, pursuant to 10 CFR 50.91(a)(5). The proposed amendment was not requested on an emergency basis for Unit 1. References 2 and 3 provided supplemental information regarding the proposed amendment.

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U. S. Nuclear Regulatory Commission AEP:NRC:638 1-03 Page 2 I&M is providing a regulatory commitment regarding the proposed amendment as requested by the NRC staff. I&M will perform all TS SRs that challenge the operation of the Unit 2 AB DG voltage regulator prior to Unit 2 entering Mode 3 during the current refueling outage.

The information provided in this letter consists of clarifying information for the amendment request previously submitted by Reference 1. The information in this letter does not alter the validity of the original evaluation of significant hazards considerations performed in accordance with 10 CFR 50.92, and documented in Enclosure 2 to Reference 1. The environmental assessment provided in Enclosure 2 to Reference I also remains valid. to this letter provides an affirmation affidavit pertaining to the supplemental information. Enclosure 2 provides the above commitment in tabular format, consistent with I&M's administrative practices.

Copies of this letter and its enclosures are being transmitted to the Michigan Public Service Commission and Michigan Department of Environmental Quality, in accordance with the requirements of 10 CFR 50.91.

Should you have any questions, please contact Mr. Michael K. Scarpello, Regulatory Affairs Supervisor, at (269) 466-2649.

Sincerely, Josh Jensen Site Vice President JRW/jen

Enclosures:

1. Affirmation.

2. Regulatory Commitments.

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J. L. Caldwell, NRC Region III K. D. Curry, AEP Ft. Wayne, w/o enclosures J. T. King, MPSC MDEQ - WHMD/RPMWS NRC Resident Inspector P. ',. Tam, NRC Washington, DC to AEP:NRC:6381-03 AFFIRMATION l, Joseph N. Jensen, being duly sworn, state that I am Vice President of Indiana Michigan Power Company (I&M), that I am authorized to sign and file this request with the Nuclear Regulatory Commission on behalf of I&M, and that the statements made and the matters set forth herein pertaining to I&M are true and correct to the best of my knowledge, information, and belief.

Indiana. Michigan Power Company Joseph N. Jensen Site Vice President SWORN TO AND SUBSCRIBED BEFORE ME THfIS kaL-DAYOF

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• I to AEP:NRC:6381-03 REGULATORY COMMITMENTS The following table identifies those actions committed to by Indiana Michigan Power Company (I&M) in this document. Any other actions discussed in this submittal represent intended or planned actions by I&M. They are described to the Nuclear Regulatory Commission (NRC) for the NRC's information and are not regulatory commitments.

Commitment Date I&M will perform all Technical Specification Surveillance Prior to Unit 2 entering Requirements that challenge the operation of the Mode 3 during the current Unit 2 AB emergency diesel generator voltage regulator refueling outage.

prior to Unit 2 entering Mode 3 during the current refuieling outage.