ML20206L415

Forwards SE of OPPD Response to GL 95-07, Pressure Locking & Thermal Binding of Safety-Related Power-Operated Gate Valves

ML20206L415
Person / Time
Site:	Fort Calhoun
Issue date:	05/10/1999
From:	Wharton L NRC (Affiliation Not Assigned)
To:	Gambhir S OMAHA PUBLIC POWER DISTRICT
Shared Package
ML20206L421	List: ML20206L415 ML20206L424
References
GL-95-07, GL-95-7, TAC-M93487, NUDOCS 9905140010
Download: ML20206L415 (3)

Text

--

p, May 10,1999 1 4 . .

I . Mr. S. K. G:mbhir -

I

._ Divisien Manager ~- Nuclear Operations l Omaha Public Power District -

Fort Calhoun Station FC-2-4 Adm.

Post Office Box 399 -

Hwy. North of Fort Calhoun

( Fort Calhoun, NE 68023-0399

SUBJECT:

'NRC GENERIC LETTER 95-07," PRESSURE LOCKING AND THERMAL

' BIND!NG OF SAFETY-RELATED POWER-OPERATED G/ 'E VALVES,"

FORT CALHOUN STATION, UNIT NO.'1 (TAC NO. M93487) .

Dear Mr. Gambhir:

Enclosed is the staff's safety evaluation hf Omaha Public Power District's (OPPD's) response it NRC Generic Letter (GL) 95-07,

• Pressure Locking and Thermal Binding of Safety-Related Power-Operated Gate Valves," for the Fort Calhoun Station, Unit 1. GL 95-07 was issued on August 17,1995, and requested that licensees take actions to ensure that safety-related power-operated gate valves that are susceptible to pressure locking or thermal binding are capable of performing their safety functions.

By letter of February 13,1996, OPPD submitted its 180-day response to GL 95-07 for Fort Calhoun Station, Unit 1. The NRC staff reviewed OPPD's submittal and requested additional information,in a letter dated June 27,1996. By letter of July 30,1996, OPPD provided the additional infcimation.- By letters of February 27 and November 9,1998, OPPD revised its February 13 and July 30,1996, submittals. ,

The staff has reviewed OPPD's submittals and finds that the actions requested in GL 95-07 have been adequately addressed, as discussed in the enclosed safety evaluation. This I completes the staff's efforts on TAC No. M93465.  ;

Sincerely, i 9905140010 990510 L. Nynard Wharton, Project Manager, SecEn 2 p

DR Am MOg5 Project Directorate IV & Decommissioning Division of Licensing Project Management C**fice of Nuclear Reactor Regulation '

Dodet No. 50-205 <

Enclosure:

Safety Evaluation cc w/ encl: See next page DISTRIBUTION:

Docket File RWharton RNorsworthy (E-mail SE) g

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% ,, j + May 10, 1999 Mr. S. K. Gambhir Division Manager - Nuclear Operations

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

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

SUBJECT:

NRC GENERIC LETTER 95-07,

• PRESSURE LOCKING AND THERMAL BINDING OF SAFETY-RELATED POWER-OPERATED GATE VALVES,"

FORT CALHOUN STATION, UNIT NO.1 (TAC NO. M93465)

Dear Mr. Gambhir:

Enclosed is the staff's safety evaluation of Omaha Public Power District's (OPPD's) response to NRC Generic Letter (GL) 95 97, " Pressure Locking and Thermal Binding of Safety-Related Power-Operated Gate W ,"for the Fort Calhoun Station, Unit 1. GL 95-07 was issued on Augus' 17,1995, and re .,ted that licensees take actions to ensure that safety-related power- ,

operated gate valves tht . are susceptible to pressure locking or thermal binding are capable of I performing their safety functions.

By letter of February 13,1996, OPPD submitted its 180-day response to GL 95 07 for Fort l Calhoun Station, Unit 1. The NRC staff reviewed OPPD's submittal and requested additional information in a letter dated June 27,1996. By letter of July 30,1996, OPPD provided the additional information. By letters of February 27 and November 9,1998, OPPD revised its '

February 13 and July 30,1996, submittals.

The staff has reviewed OPPD's submittals and finds that the actions requested in GL 95-07 have been adequately addressed, as discussed in the enclosed safety evaluation. This completes the staff's efforts on TAC No. M93465.

Sincerely,

• (

L. Raynard Whart;.w, Project Manager, Section 2 Project Directorate IV & Decommissioning Division of Licensing Project Management Office of Nuclear Reactor Regulation  :

Docket No. 50-285

Enclosure:

Safety Evaluation F

7 w/enct: See next page

p.

.- Ft. Calhoun Station, Unit 1: .

cc w/ encl:

Winston & Strawn J.TTN: Perry D. Robinson, Esq.

1400 L Street, N.W.

Washington, DC 20005-3502 Mr. Jack Jensen, Chairman Washington County Board of Supervisors Blair, Nebraska 68008 Mr. Wayne Walkre, Resident inspector U.S. Nuclear Regulatory Commission Post Office Box 309 Fort Calhoun, Nebraska 68023 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission -

611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011

' Ms. Cheryl Rodgers, LLRW Program Manager Environmental Protection Section Nebraska Department of Health 301 Centennial Mall, South P.O. Box 95007 Lincoln, Nebraska 68509-5007 Mr. J. M. Solymossy Manager- Fort Calhoun Station Omaha Public Power District Fort Calhoun Station FC-1-1 Plant Post Office Box 399 Hwy. 75 - North of Fort Calhoun Fort Calhoun, Nebraska S8023 l

Mr. Mark T. Frans Manager- Nuclear Licensing )

Omaha Public Power District  !

I Fort Calhoun Station FC-2-4 Adm.

Post Office Box 399 Hwy. 75 - North of Fort Calhoun Fort Calhoun, Nebraska 68023-0399 1