ML20059H071

Informs That Util 920921 Response to Suppl 1 to GL 87-02, Acceptable & Ack Util Confirming That NRC Interpretation Described in Correct in That Util Intends to Use Entire GIP-2,including SQUG Commitments

ML20059H071
Person / Time
Site:	Fort Calhoun
Issue date:	11/02/1993
From:	Steven Bloom Office of Nuclear Reactor Regulation
To:	Tira Patterson OMAHA PUBLIC POWER DISTRICT
References
GL-87-02, GL-87-2, TAC-M69447, NUDOCS 9311090276
Download: ML20059H071 (4)

Text

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November 2, 1993

! Docket No. 50-285 Mr. Terry.' L. Patterson ,

Division Manager - Nuclear Operations Omaha Public Power District  ;

Fort Calhoun Station FC-2-4 Adm. .

Post Office Box 399 Hwy. 75 - North of Fort Calhoun i Fort Calhoun, Nebraska 68023-0399 l l

SUBJECT:

EVALUATION OF OMAHA PUBLIC POWER DISTRICT'S CLARIFICATION OF 120-DAY l RESPONSE TO SUPPLEMENT NO. 1 TO GENERIC LETTER 87-02 FOR FORT CALHOUN STATION, UNIT 1 (TAC NO. M69447) i

, On May 27., 1992, the NRC staff issued Supplement No. I to Generic Letter l (GL) 87-02, which transmitted Supplemental Safety Evaluation Report No. 2 ,

(SSER No. 2) on the Seismic Qualification Utility Group's (SQUG's) Generic

, Implementation Procedure, Revision 2 (GIP-2), dated February 14, 1992, for the

! resolution of Unresolved Safety Issue (USI) A-46. By letter dated September 21, 1992, the licensee submitted its 120-day response to the GL supplement for Fort Calhoun Station, Unit 1. By letter dated November 30, 1992, the staff interpreted the licensee's response as a commitment to use the entire GIP-2, including both the SQUG commitments and the SQUG implementation guidance, as supplemented by SSER No. 2.

In its letter dated February 11, 1993, the licensee confirmed that the staff's

! interpretation described in the November 30, 1992, letter is correct in that the licensee intends to use the entire GIP-2,-including the SQUG commitments and implementation guidance. The staff finds the licensee's response acceptable. Additionally, as stated in Section 1.2.3.1 of the SSER No. 2, the staff recognizes that the licensee may revise its licensing basis in accordance with 10 CFR 50.59 to reflect the acceptability of the USI A-46 l

(GIP-2) methodology for verifying the seismic adequacy of electrical and i mechanical equipment covered by GIP-2. If you have any questions about this matter, please do not hesitate to call me at 301-504-1313.

Sincerely, ORIGINAL SIGNED BY:

Steven Bloom, Project Manager Project Directorate IV-1 Division of Reactor Projects - III/IV/V l 9311090276 931102 PDR ADOCK 05000285 Office of Nuclear Reactor Regulation P PDR l cc

See next page '

DISTRIBUTION:

Docket File NRC & Local PDRs PD4-1 Reading 'A. B. Beach  ;

S. Bloom E. Adensam W. Beckner J. Roe  !

t P. Noonan ACRS(10) (P-315) OGC(15B18) M. McBrearty 0FC LA:PD4-J % PM:P/)4-1 D:PD4-1 ,

NAME PNoonab [ .S h pk WBeckner DATE ll /e3 /93 d] J-/93 0 /7493 COPY YES$) kEhNO YESh0) {Q(( (((( yG OFFICIAL RECDR 0 , Document Name: FC69447A.ltr ,

November 2, 1993 Docket no. 50-285 i t

Mr. Terry. L. Patterson c Division Manager - Nuclear Operations -

l Omaha Public Power District Fort Calhoun Station FC-2-4 Adm.

Post Office Box 399 l Hwy. 75 - North of Fort Calhoun l Fort Calhoun, Nebraska 68023-0399

SUBJECT:

EVALUATION OF OMAHA PUBLIC POWER DISTRICT'S CLARIFICATION OF 120-DAY RESPONSE TO SUPPLEMENT NO.1 TO GENERIC LETTER 87-02 FOR FORT  :

CALHOUN STATION, UNIT I (TAC NO. M69447)  !

On May 22, 1992, the NRC staff issued Supplement No. I to Generic Letter (GL) 87-02, which transmitted Supplemental Safety Evaluation Report No. 2 (SSER No. 2) on the Seismic Qualification Utility Group's (SQUG's) Generic Implementation Procedure, Revision 2 (GIP-2), dated February 14, 1992, for the resolution of Unresolved Safety Issue (USI) A-46. By letter dated September 21, 1992, the licensee submitted its 120-day response to the GL l supplement for Fort Calhoun Station, Unit 1. By letter dated November 30, l 1992, the staff interpreted the licensee's response as a commitment to use the l entire GIP-2, including both the SQUG commitments and the SQUG implementation '

guidance, as supplemented by SSER No. 2.

In its letter dated February 11, 1993, the licensee confirmed that the staff's interpretation described in the November 30, 1992, letter is-correct in that the licensee intends to use the entire GIP-2, ir.cluding the SQUG commitments and implementation guidance. The staff finds the licensee's response acceptable. Additionally, as stated in Section I.2.3.1 of the SSER No. 2, the j staff recognizes that the licensee may revise its licensing basis in i accordance with 10 CFR 50.59 to reflect the acceptability of the USI A-46 (GIP-2) methodology for verifying the seismic adequacy of electrical and mechanical equipment covered by GIP-2. If you have any questions about this matter, please do not hesitate to call me at 301-504-1313.

Sincerely, ORIGINAL SIGNED BY:

Steven Bloom, Project Manager Project Directorate IV-1 Division of Reactor Projects - III/IV/V Office of Nuclear Reactor Regulation -

cc: See next page l DISTRIBUTION:

Docket File NRC & Local PDRs PD4-1 Reading A. B. Beach S. Bloom E. Adensam W. Beckner J. Roe i P. Noonan ACRS(10) (P-315) OGC(15B18) M. McBrearty 0FC LA:PD4-19[ PM:PA4-1 D:PD4-1 NAME PNoonan S h pk WBeckner DATE II/,Q/93 d47-/93 0/L/93 COPY YE8750 ) kENN0 YESkd 0FFICIAL RECORD COPY Document Name: FC69447A.ltr  ;

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,j NUCLEAR REGULATORY COMMISSION l g g WASWNGTON, D.C. 205664001

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/ November 2,'1993 Docket No. 50-285  !

Mr. Terry. L. Patterson '

Division Manager - Nuclear Operations Omaha Public Power District Fort Calhoun Station FC-2-4 Adm.

Post Office Box 399 Hwy. 75 - North of Fort Calhoun Fort Calhoun, Nebraska 68023-0399

Dear Mr. Patterson:

i

SUBJECT:

EVALUATION OF OMAHA PUBLIC POWER DISTRICT'S CLARIFICATION OF 120-DAY RESPONSE TO SUPPLEMENT NO. 1 TO GENERIC LETTER 87-02 FOR FORT CALHOUN STATION, UNIT 1 (TAC NO. M69447)

On May 22, 1992, the NRC staff issued Supplement No.1.to Generic Letter ,

(GL) 87-02, which transmitted Supplemental Safety Evaluation Report No. 2 (SSER No. 2) on the Seismic Qualification Utility Group's (SQUG's) Generic Implementation Procedure, Revision 2 (GIP-2),-dated February 14,.1992, for the resolution of Unresolved Safety Issue (USI) A-46. .By letter dated September 21, 1992, the licensee submitted its 120-day response:to the GL supplement for Fort Calhoun Station, Unit 1. By letter dated November 30, ,

1992, the staff interpreted the licensee's response as'a commitment to use the entire GIP-2, including both the SQUG commitments and the SQUG implementation guidance, as supplemented by SSER No. 2. 1

, In its letter dated February 11, 1993, the licensee confirmed that the staff's interpretation described in the November 30, 1992, letter is correct in that the licensee intends to use the entire GIP-2, including the SQUG commitments and implementation guidance. The staff finds the licensee's response acceptable. Additionally, as stated in Section I.2.3.1 of the SSER No. 2, the staff recognizes that the licensee may revise its licensing basis in accordance with 10 CFR 50.59 to reflect the acceptability of the USI A-46 (GIP-2) methodology for verifying the seismic adequacy of electrical and mechanical equipment covered by GIP-2. If you have any questions about this matter, please do not hesitate to call me at 301-504-1313.

Sincerely,

- 2 Steven Bloom, Project Manager Project Directorate IV-1 Division of Reactor Projects - III/IV/V l Office of Nuclear Reactor Regulation cc: See next page l

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I Mr. Terry L. Patterson 3

Omaha Public Power District Fort Calhoun Station, Unit I cc:

Mr. Michael F. McBride, Esq.

LeBoeuf, Lamb, Leiby & MacRae 1875 Connecticut Avenue, NW Washington, D.C. 20009-5728 Mr. Jack Jensen, Chairman Washington County Board i

of Supervisors l

Blair, Nebraska 68008 Mr. Raymond P. Mullikin, Resident Inspector U.S. Nuclear Regulatory Commission Post Office Box 309 Fort Calhoun, Nebraska 68023 Mr. Charles B. Brinkman, Manager Washington Nuclear Operations l Combustion Engineering, Inc.

12300 Twinbrook Parkway,. Suite 330 i Rockville, MD 20852 1 l Regional Administrator, Region IV l U.S. Nuclear Regulatory Commission

! 611 Ryan Plaza Drive, Suite 1000 '

Arlington, Texas 76011 4 Harold Borchert, Director Division of Radiological Health Nebraska Department of Health l

301 Centennial Mall, South l Post Office Box 95007 Lincoln, Nebraska 68509 Mr. James W. Chase, Manager Fort Calhoun Station Post Office Box 399 l Fort Calhoun, Nebraska 68023 I

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