ML20211A484

Requests Addl Info Re GL 96-06, Assurance of Equipment Operability & Containment Integrity During Design-Basis Accident Conditions, Issued on 960930.Info to Be Submitted within 60 Days

ML20211A484
Person / Time
Site:	Grand Gulf
Issue date:	09/15/1997
From:	Donohew J NRC (Affiliation Not Assigned)
To:	Hagan J ENTERGY OPERATIONS, INC.
References
GL-96-06, GL-96-6, TAC-M96815, NUDOCS 9709240273
Download: ML20211A484 (3)

Text

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Mr. Joseph J. Hagan September 15, 1997 Vice President, Operations GGNS Entergy Operations, Inc.

P. O. Box 756 Port Gibson, MS 39150

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION RELATED TO GENERIC LETTER 96-06 FOR GRAND CULF NUCLEAR STATION, UNIT 1 (TAC NO. M96815)

Dear Mr. Hagan:

The staff has been revi: wing your submittals dated October 29, 1996, and January 28, 1997, in response to Generic Letter (GL) 96-06, " Assurance of Equipment Operability and Containment Integrity During Design-Basis Accident Conditions," that was issued on September 30, 1996.

In the response of January 28, 1997, you identified that 12 pipe lines penetrating containment and 6 pipe lines penetrating the drywell (within the containment) are susceptible to thermally-induced pressurization during accidents and were evaluated for operability. In that letter, you committed to complete the appropriate corrective actions for these pipes prior to the restart from refueling outage nine, that is scheduled for the Spring of 1998.

To permit the staff to continue its review of your submittals, we request that you provide the following information: (1) summaries of the evaluations of the 18 piping lives penetrating the containment and the drywell, (2) the summaries should describe the method of analysis, including the assumptions used, and the results, (3) fabrication drawings of the piping sections evaluated, (4) a discussion on how the criteria used for the evaluations meet the licensing basis criteria for Grand Gulf Nuclear Station, Unit 1, and (5) the schedule for completion of any modifications that are required.

To keep on the current schedule, we request that the above information be provided within 60 days of your receipt of this letter. A telecopy of the request was forwarded to you staff to expedite your response, i :erel , 3 R w Senior Project Manager Project Dire orate IV-1 Division of Reactor Projects Ill/IV Office of Nuclear Reactor Regulation Docket No. 50-416 cc: See next page b[Cl neo $

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%,***** September 15, 1997 Mr. Joseph J. Hagan Vice President, Operations GGNS Entergy Operations, Inc.

P. O. Box 756 .

Port Gibson, MS 39150

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION RELATED TO GENERIC LETTER 96-06 FOR GRAND GULF NUCLEAR STATION, UNIT 1 (TAC NO. M96815)

Dear Mr. Hagan:

The staff has been reviewing your submittals dated October 29, 1996, and January 28, 1997, in response to Generic Letter (GL) 96-06, " Assurance of Equipment Operability and Containment Integrity During Design-Basis Accident Conditions," that was issued on September 30, 1996.

In the response of January 28, 1997, you identified that 12 pipe lines penetrating containment and 6 pipe lines penetrating the drywell (within the containment) are susceptible to thermally-induced pressurization during accidents and were evaluated for operability. In that letter, you comitted to complete the appropriate corrective actions for these pipes prior to the restart from refueling outage nine, that is scheduled for t1e Spring of 1998.

To permit the staff to continue its review of your submittals, we request that you provioe the following information: (1) summaries of the evaluations of the 18 piping lines penetrating the containment and the drywell, (2) the sumaries shoul:1 describe the method of analysis, including the assumptions used, and the results, (3) fabrication drawings of the piping sections evaluated, (4) a discussion on how the criteria used for the evaluations meet the licensing basis criteria for Grand Gulf Nuclear Station, Unit 1, and (5) the schedule for completion of any modifications that are required.

To keep on the current schedule, we request that the above information be provided within 60 days of your receipt of this letter. A telecopy of the request was forwarded to you. staff to expedite your response.

Sincerely, U.A) 7/

(, Jack Project N.Directorate Donohew, IV-1Senfor Project Manager Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket No. 50-416 cc: See next page

. . _ _ _ - _ . _ _ . - _ _ . _ _ _ _ . _ . - _ _ _ _ < _ _ _ - --- m- --m *-- _-_ _ __ - - _ - _ _ _ -- ._

Mr. Joseph J. Hagan Entergy Operations, Inc. Grand Gulf Nuclear Station -

Cc: -'

Executive Vice President General Manager, GGNS

& Chief Operating Officer Entergy Operations, Inc.

Entergy Operations, Inc. P. O. Box 756 P. O. Box 31995 Port Gibson, MS 39150 Jackson, MS 39286-1995 Attorney General Wise, Carter,_ Child & Caraway Department of Justice P. O. Box 651 State of Louisiana Jackson, MS 39205 P. O. Box 94005 Baton Rouge, LA 70804-9005 1400 L Street, N.W. - 12th Floor State Health Officer Washington, DC 20005-3502 State Board of Health P. O. Box 1700 Director Jackson, MS 39205 Division of Solid Waste Management Mississippi Department of Natural Office of the Governor Resources State of Mississippi P. O. Box 10385 Jackson, MS 39201 Jackson,.MS 39209 .

Attorney General President, Asst. Attorney General Claiborne County Board of Supervisors State of Mississippi P. O. Box 339 P. O. Box 22947 Port Gibson, MS 39150 Jackson, MS 39225 Regional Administrator, Region IV Vice President, Operations Support U.S. Nuclear Regulatory Commission Entergy Operations, Inc.

Gil Ryan Plaza Drive, Suite 1000 P.O. Box 31995 arlington, TX 76011 Jackson, MS 39286-1995 Senior Resident Inspector Director, Nuclear Safety U. S. Nuclear Regulatory Commission and Regulatory Affairs Route 2, Box 399 Entergy Operations, Inc.

Port Gibson, MS_ 39150 P.O. Box 756 Port Gibson, MS 39150 Manager of Operations Bechtel Power Corporation P.O.-Box 2166

- Houston, TX 77252-2166 g-@ bg#M-4Wistam 69%he==w &4 d>- 4p'Mter "* mem% -_ _ _ , how gheer*Me-