NRC-92-0077, Responds to Issues Raised by ACRS Re Power Upgrade Program Submittal.Encl Withheld (Ref 10CFR2.790)

Responds to Issues Raised by ACRS Re Power Upgrade Program Submittal.Encl Withheld (Ref 10CFR2.790)

ML20118A023
Person / Time
Site:	Fermi
Issue date:	07/06/1992
From:	Orser W DETROIT EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML19303E889	List: NRC-92-0077, Responds to Issues Raised by ACRS Re Power Upgrade Program Submittal.Encl Withheld (Ref 10CFR2.790)
References
CON-NRC-92-0077, CON-NRC-92-77 TAC-M82102, NUDOCS 9207090194
Download: ML20118A023 (4)

Text

William S. Orser

. Sew Vice Pressdent c ,.

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. Newport f AcNgsn 481ri6 I poim s oi operauons July 6, 1992 NRC-92-0077 U. S. Nuclear Reguic.ic ty Ccomicsion Attn.: Document Cor2 trol Desk Washin'gton, D. C. 20555

References:

1) Fermi 2 NRC Dochet No. 50-341 NRC Licence No. NPF-43

2) Detroit Edison Let ter, NRC-91-0102, " Proposed License Amendment - Uprated Power Operation", dated September 24, 1991.

3) Detzuit Edison Letter, NRC-92-0048, " Revision to Proposed License Amendment for Uprated Power Operation and to the Femi 2 Power Uprate Safety Analysis (TAC No. M82102)", dated April 30, 1992.

4) NRC Letter, " Fermi Request for Additional Information Uprated Power Operation License Amendment ?,equest (TAC No, M82102)", dated March 24, 1992.

5) Detroit Edison Letter, NRC--92-0050, "Det roit Edicon Response to Reactor Systems Branch Questions on Fermi 2 " wer Uprate Submittal", dated April 23, 1992.

6) NRC Letter, " Response to Issues Raised by the Advisory Committee on Reactor Safeguards (ACRS)

Regarding Femi-2 Power Uprate Submit tal (TAC No.

M82102)", dated June 3,1992.

7) NRC Letter, " Response to Issues Raised by the Adybory Cocmittee on Reactor Safeguards (ACRS)

Regarding Generic Boilitig Water Reactor Power Uprate

' Program (TAC No. M81253)", dated June 3,1992.

Subject:

Detroit Edisen Response to Issues Raised by the Advisory Conmittee on Reactor Safeguards (ACRS) Regarding Feral 2 Power Uprate Program Submit t al (TAC No. MS2102) 0006.]i 9207090194 920706 PDR .ADOCK 05000341

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USNRC July 6, 1992 i NRC-92-0077 Page 2 References 2 and 3 provided the UFC Staf f with D7troit Ec is on 's proposed and revised Licence Atendment for Upt ated Power Ope r ation (commonly referred to as the Power Uprate Progrca [FUP]). Prior to the Reference 3 submit t el, on March 26, 1992, t he NRC St af f, General Electric (GE), and Detroit Edison pe rsorenei attended a teeting of the ACRS Sub-Cer_cittee on Thernal Hydraulic Phenonena, during which presentations where cadc by the NRC, GE, and Detroit Edison representatives on both the generic Boiling Water Reactor (BWR) PUP and the Ferni 2 PUP. The ACES asked a number of questions regarding these PUP efforts. On May 20, 1992, GE and Detroit Edicon personnel oet with J. Colburn and R. Strancky of your staf f to review the ACRS techn: cal quections and the issues involved with each ACES concent; to establish a course of action f or the NRC to frimally identify thes2 cotoents on the docket, and to r eview the plan and schedule f or De t roit Edison and GE responses. The purpoce of this letter is to recpond to the ACES cottents provided to Fermi 2 via the NEC Staf f in Reference 6. It should be noted that GE is separately responding to the generic PWR PUP issues raised by the ACRS (as docucented in Refe rence 7) . Det roit Edison has reviewed GE's proposed responce to Reference 7 and concurs with its content.

Detroit Edison's responses to Reference 6 are givet2 in Enclocure 1. A question and response forcat is provided to ensure cocpleteness an.1 ease of review. The Fe rmi 2 PUP proj ect ctaff would be happy to meet with NRC Staf f or ACRS personnel to further discuss our re fonses, if nec ea sa ry. Your f acilitation of the review of this infor ation with the ACRS, in support of the FUP License Amenduent requ is a p precia t ed . -

Reference 6 statec thnt Detroit Ediron's response to a Staff Requent for Additional Inforcation (RAI) Lddresses a number of hese ( A CRS',

questions. Thic Staf f RAI was provided to Det roit Edis >n by Ref erence

4. Det roit Edison's response to this RAI is contained .mn Reference

5. Also, some of thece ACRS questions everlap with tb taference I letter to GE. Although specific Detroit Edison respor Jec, shich a r e considered " stand alone" and couplete, to each ACRS comment are provided in Enclosure 1, tha relationship between thece questions, che Staf f RAI, Det roit Edison'c recponse to the RAI and the GE recponses to Reference 7 is provided in Enclosure 2 to assist you and the ACES in developing a core cocplete understanding of these compler is s ue s .

A substantial por tion of Enclosure I to this letter was provided by GE and has been identified therein as proprietary information. The Attachment to this letter provides GE's af fidavit to that effect.

The ref o re . in accordance with 10 CFR 2.790(a)(4), it is requested that Enclosure 1 and the Attachuent be withheld f rom public disclosure.

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US11RC July 6, 1992 URC-92-0077 Page 3 l

Please contact- Mr. Terry L. Riley, Supervisor of Nuclear Licensing, Regulatory Affairs, at (313) 586-1684, to coordinate any further actions which you may require on this catter, as needed.

Since re' y ,

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i Enclosures (2)

At trac hnent (1) cc: T. G. Colburn A. B. Davis M. P. Phillips S. Stasek t.

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USNRC July 6.1992 NRC-92-0077 Page 4 I, WILLIAM S. ORSER, do hereby af firm that the foregoing statements are based on # acts and circumstarces which are true and accurate to the best of my know1c -;e and belief.

- V WILLIAM S. ORSFr Senicr Vice resident On this h2 day of l' , 1992, before me i

personally appeared William S. grser,[/being first duly sworn and

! says that he executed the foregoing as his free act and deed.

. iWl&

Notary Public l

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