ML20206U385
| ML20206U385 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 05/18/1999 |
| From: | Howell A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Eaton W ENTERGY OPERATIONS, INC. |
| Shared Package | |
| ML20206U390 | List: |
| References | |
| 50-416-99-02, 50-416-99-2, NUDOCS 9905250195 | |
| Download: ML20206U385 (6) | |
See also: IR 05000416/1999002
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UNITED STATES
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NUCLEAR REGULATORY COMMISSION
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ARLINGTON, TEXAS 76011-8064
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May 18,1999
William A. Eaton, Vice President
Operations - Grand Gulf Nuclear Station
Entergy Operations, Inc.
P.O. Box 756
Port Gibson, Mississippi 39150
SUBJECT: NRC INSPECTION REPORT NO. 50-416/99-02
Dear Mr. Eaton:
This refers to the team inspection conducted on February 22-26 and March 8-12,1999, at the
Grand Gulf Nuclear Station facility. A supplemental exit meeting was conducted by telephone
on May 18,1999. The enclosed report presents the results of this inspection. The
inspection involved a safety system engineering inspection of the three trains of emergency
diesel generators and the associated switchgear and ventilation, as well as a review of your
10 CFR 50.59 safety evaluation program, engineering staffing and backlog, and previous NRC
inspection findings.
The inspection did not identify any operability concerns affecting the emergency diesel
generators or other equipment but did reveal a number of problem areas. One of these
involved the team's identification of multiple discrepancies in the Updated Final Safety Analysis
Report. The affected sections had been previously reviewed by your contractor, and most of
the discrepancies identified by the team had not been identified during this contractor effort.
This number of identified discrepancies was indicative of a potential weaknesses involving the
overall fidelity of the Updated Final Safety Analysis Report and the adequacy of the Updated
Final Safety Analysis Report review and update project.
The second concern involved the lack of documentation supporting instrument setpoints. No
calculations existed to support many of the setpoints delineated in the technical specifications.
Calculations existed for some setpoints, but they typically did not address loop uncertainties or
sensor type and installation. Although we were generally able to conclude that the reviewed
setpoints were conservatively set, our review was limited to the emergency diesel generators
,
and related support systems. Consequently, this issue will remain unresolved pending further
NRC review.
The third concern involved the implementation effectiveness of the corrective action program.
The team identified that the corrective actions taken in response to two previous violations (one
involved past Updated Final Safety Analysis Report discrepancies) and several condition
reports did not address or identify the causes of the problems, were limited in scope, or were
not fully effective in correcting the problem. Additional corrective action issues noted by the
team included the Updated Final Safety Analysis Report discrepancies discussed above, the
9905250195 990518
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Entergy Operations, Inc.
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prolonged period involved in resolving potential concerns regarding the ability of certain motor-
operated valves to open and close against design basis differential pressure and flow, as well
as, a !ack of documented justification for extending the corrective action due dates for a number
of temporary alterations.
Additionally, this and other recent NRC inspections have raised questions regarding the
scope or appropriateness of a number of other programs. These include the locked valve
program (Section E1.1.3 of this report), the temporary / interim solution program (refer to NRC
Inspection Report 50-416/99-03), and the surveillance credit program (refer to NRC Inspection
Report 50-416/99-06).
As a result of these issues, we desire to meet with you in the Region IV office to gain a better
understanding of your perspective regarding these findings and programs, including any plans
you have to improve your programs and their implementation. We will contact you regarding a
mutually agreeable date and agenda for this rneeting following the issuance of NRC Inspection
Reports 50-416/99-03 and 50-416/99-06.
Based on the results of this inspection, the NRC has determined that two violations of NRC
requirements occurred. These violations are being treated as a noncited violations, consistent
with Appendix C of the Enforcement Policy. These noncited violations are described in the
subject inspection report. If you contest the violations or severity level of these noncited
violations, you should provide a response within 30 days of the date of this inspection report,
with the basis for your denial, to the Nuclear Regulatory Commission, ATTN: Document
Control Desk, Washington DC 20555-0001, with a copies to the Regional Administrator,
Region IV, and the Director, Office of Enforcement, United States Nuclear Regulatory
Commission, Washington, DC 20555-0001.
In accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter and its
enclosure will be placed in the NRC Public Document Room (PDR).
Should you have any questions concerning this inspection, we will be pleased to discuss them
with you.
Sinc
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Arthur T. H
ell Ill, Director
Division of
ctor Safety
Docket No.:
50-416
License No.: NPF-29
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Entergy Operations, Inc.
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Enclosure:
NRC Inspection Report No.
50-416/99-02
cc w/ enclosure:
Executive Vice President
and Chief Operating Officer
Entergy Operations, Inc.
P.O. Box 31995
Jackson, Mississippi 39286-1995
Wise, Carter, Child & Caraway
P.O. Box 651
Jackson, Mississippi 39205
Winston & Strawn -
1400 L Street, N.W. - 12th Floor
Washington, D.C. 20005-3502
Sam Mabry, Director
Division of Solid Waste Management
Mississippi Department of Natural
Resources
P.O. Box 10385
Jackson, Mississippi 39209
President
Claiborne County Board of Supervisors
Port Gibson, Mississippi 39150
General Manager
,
_ Grand Gulf Nuclear Station
Entergy Operations, Inc.
P.O. Box 756
Port Gibson, Mississippi 39150
The Honorable Richard leyoub
Attorney General
Department of Justice
State of Louisiana
P.O. Box 94005
Baton Rouge, Louisiana- 70804-9005
Office of the Governor
State of Mississippi
Jackson, Mississippl 39201
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Entergy Operations, Inc.
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Mike Moore, Attorney General
Frank Spencer, Asst. Attorney General
State of Mississippi
'
P.O. Box 22947
Jackson, Mississippi 39225
Dr. F. E. Thompson, Jr.
State Health Officer
. State Board of Health
P.O. Box 1700
Jackson, Mississippi 39205
Robert W. Goff, Director
State Liaison Officer
Division of Radiation Health
Mississippi Department of Health
P.O. Box 1700
Jackson, Mississippi 39215-1700
Vice President
Operations Support
Entergy Operations, Inc.
P.O. Box 31995
Jackson, Mississippi 39286-1995
Director, Nuclear Safety
and Regulatory Affairs
Entergy Operations, Inc.
P.O. Box 756
Port Gibson, Mississippi 39150
Vice President, Operations
Grand Gulf Nuclear Station
Entergy Operations, Inc.
P.O. Box 756
Port Gibson, Mississippi 39150
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