ML20196H395
| ML20196H395 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 11/05/1998 |
| From: | Landis K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Ohanlon J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| Shared Package | |
| ML20196H401 | List: |
| References | |
| 50-338-98-05, 50-338-98-5, 50-339-98-05, 50-339-98-5, NUDOCS 9812090060 | |
| Download: ML20196H395 (4) | |
See also: IR 05000338/1998005
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November 5,1998
EA 98-500
Virginia Electric and Power Company
ATTN: Mr. J. P. O'Hanlon
Senior Vice President-Nuclear
Innsbrook Technical Center
5000 Dominion Boulevard
Glen Allen, VA 23060
SUBJECT:
NRC INSPECTION REPORT NOS. 50-338/98-05 AND 50-339/98-05
NOTICE OF VIOLATION AND EXERCISE OF ENFORCEMENT DISCRETION
Dear Mr. O'Hanlon:
An NRC inspection was conducted July 13 - 31,1998, at your North Anna Power Station and an
in-office inspection of supplemental information was conducted September 21 - 25,1998. This
was a Safety System Engineering inspection (SSEI) The primary objective of this SSEl was to
assess the adequacy of calculations, analyses, and other engineering activities used to support
auxiliary feedwater system operability and reliability.
The inspection found the system to be operational overail. Based on the results of this
inspection, three violations were identified. We are concerned that for Violation B your staff
failed to implement adequate corrective actions to resolve corrosion of the AFW tunnel pipe
supports which had been initially identified in September 1996. We are also concerned about
Violations A and C which occurred as a result of inaccurate as-built drawings for safety related
piping systems. The violations appear to contradict your August 1,1979, response to IE Bulletin 79-14, Seismic Analysis for As-Built Safety-Related Piping Systems, in which you stated that
your rigid construction quality control program assured conformance of as-built piping systems
to design requirements. Although NRC expressed concerns regarding the scope of corrective
action, as of September 25,1998, your planned corrective actions did not appear adequate to
determine the extent of as-built drawing inaccuracies. The NRC again discussed, by telephone
conference on October 22,1998, our concerns regarding the adequacy of your planned
corrective actions. Based upon information you provided on October 28,1998, your currently
planned corrective actions do not appear to contain a statistically valid sample size to
adequately determine the extent of condition of as-built construction errors or drawing
inaccuracies for pipe supports. Such a review is needed because of the number of NRC
identified issues and the potential safety impact of unknown discrepancies. Your response to
Violation A should address your program to verify the adequacy of the as-built construction of
safety-related piping systems.
Although, the results of the inspection showed the overall quality of calculations was adequate to ,
support system operability, continued improvement in attention to detail is necessary to address
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the weaknesses ir dculation quality identified during the inspection. We are also concerned
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regarding the excessive length of time your staff required to determine operability of the Unit 1
AFW piping system after a multiple pipe support hanger was discovered to be missing on
June 16,1998. The final design analysis regarding the missing support was not completed until
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July 29,1998, at which time you concluded that the missing AFW piping system support
degraded but did not effect the operability of the AFW system. In you response to this letter you
should address additional plans to strengthen and expedite performance of operability
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evaluations.
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The NRC has concluded that information regarding the reasons for Violations B and C, and the
corrective actions taken and planned to correct the violations, and to prevent recurrence, are
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addressed on the docket in the enclosed inspection report. Therefore you are not required to
submit a response to this letter for Violations B and C unless the description therein does not
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accurately reflect your corrective actions or your position regarding these violations. However,
if you choose to provide additional information, you should follow the instructions in the enclosed
notice.
The violations are cited in the Enclosed Notice of Violation and the circumstances surrounding
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the violations are desenbed in detail in the enclosed report. Please note that for Violation A, you
are required to respond to this letter and should follow the instructions specified in the enclosed
Notice when preparing your response. The NRC will use your response, in part, to determine
whether further NRC enforcement action is necessary to ensure compliance with NRC
regulatory requirements.
In accordance with 10 CFR 2.790 of the NRC's " Rules of Practice," a copy of this letter and its
enclosures will be placed in the NRC Public Document Room.
Sincerely,
Original signed by
Kerry D. Landis
Kerry D. Landis, Chief
Engineering Branch
Division of Reactor Safety
Docket Nos. 50-338, 50-339
Enclosures:
2. NRC Inspection Report
cc w/encis: (See page 3)
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cc w/encis:
J. H. McCarthy, Manager
Attorney General
Nuclear Licensing and
Supreme Court Building
Operations Support
900 East Main Street
Virginia Electric and Power Company
Richmond, VA 23219
5000 Dominion Boulevard
Glen Allen, VA 23060
State Health Commissioner
Office of the Commissioner
W. R. Matthews,
Site Vice President
P. O. Box 2448
North Anna Power Station
Richmond,VA 23210
P. O. Box 402
Mineral, VA 23117
Distribution w/encis:
L. Plisco, Ril
E. S. Grecheck
R. Haag, Ril
Site Vice President
L. Garner, Ril
Surry Power Station
N. Kalyanam, NRR
Virginia Elect.ic and Power Company
J. Lieberman, OE
5570 Hog Islard Road
B. Summers, OE
Surry, VA 23883
R. Gibbs, Ril
M. Thomas, Rll
Executive Vice President
D. Jones,Ril
Old Dominion Electric Cooperative
W. Stansberry, Ril
4201 Dominion Boulevard
R. Aiello, Ril
Glen Allen, VA 23060
PUBLIC
Virginia Corporation Commission
NRC Resident inspector
Division of Energy Regulation
U.S. Nuclear Regulatory Commission
P. O. Box 1197
1024 Haley Drive
Richmond, VA 23209
Mineral, VA 23117
County Administrator
NRC Resident inspector
Louisa County
U.S. Nuclear Regulatory Commission
P. O. Box 160
Surry Nuclear Power Station
Louisa, VA 23093
5850 Hog Island Road
Surry, VA 23883
Donald P. Irwin, Esq.
Hunton and Williams
Riverfront Plaza, East Tower
951 E. Byrd Street
Richmond, VA 23219
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cc w/encls:
J. H. McCarthy, Manager
Attorney General
Nuclear Licensing and
Supreme Court Buildi
Operations Support
900 East Main Stre
-
Virginia Electric and Power Company
Richmond VA 23
5000 Dominion Boulevard
' Glen Allen, VA 23060
State Health
mmissioner
Office of th Commissioner
W. R. Matthews. Manager
Virginia D artment of Health
North Anna Power Station
P. O. Bo
448
P. O. Box 402
Richmon . VA 23218
Mineral. VA 23117
E. S. Grecheck
Dis .ribution w/encls:
Site Vice President
L Plisco, RII
Surry Power Station
. Haag, RII
Virginia Electric and Power Company
L. Garner, RII
5570 Hog Island Road
N. Kalyanam, NRR
Surry, VA 23883
R. Gibbs. RII
M. Thomas RII
. Executive Vice President
D. Jones, RII
Old Dominion Electric Cooperativ
W. Stansberry. RII
4201 Dominion Boulevard
R. Aiello. RII
Glen Allen, VA 23060
PUBLIC
Virginia Corporation Comm' sion
NRC Resident Inspector
Division of Energy Regul
ion
U.S. Nuclear Regulatory Commission
P. O. Box 1197
1024 Haley Drive
Richmond. VA 23209
Mineral. VA 23117
County Administr' or
NRC Resident Inspector
Louisa County
U.S. Nuclear Regulatory Commission
P. O. Box 16
Surry Nuclear Power Station
Louisa, VA
3093
5850 Hog Island Road
Surry, VA 23883
Michael
Maupin. Esq.
Hunt
and Williams
Riv rfront Plaza. East Tower
9
E. Byrd Street
ichmond. VA 23219
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