ML20034B015
| ML20034B015 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 04/16/1990 |
| From: | Gibson A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Tucker H DUKE POWER CO. |
| Shared Package | |
| ML20034B016 | List: |
| References | |
| NUDOCS 9004250217 | |
| Download: ML20034B015 (4) | |
See also: IR 05000413/1990010
Text
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April 16, 1990-
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Docket Nos. 50-413, 50-414
License.Nos; NPF-35, NpF-52
Duke Power Company.
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ATTNi Mr. H.-B. Tucker, Vice Preside'nt
Nuclear. Production Department
422 South: Church Street
Charlotte, NC -28242
'
Gentlemen:
SUBJECT:
NRC INSPECTION REPORT NOS. 50-413/90-10 AND 50-414/90-10
This refers to the special, onsite . inspection conducted'by'the Nuclear Regulatory:
Commission (NRC) during the period March 22 - 26, 1990. -The. inspection included-.
a review:of actions concerning the March 20, 1990,: overpressure event at:your
Catawba facility.
At the conclusion .of_ the : inspection, - the findings were -
discussed with those members of your staff identified in the' enclosed
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inspection report.
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The inspection concluded that the licensee's immediate actions'during th,e1 event
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were appropriate, the licensee's investigation ?of the event was thorough 'and-
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technically adequate, no significant damage toLRHR .(ND) system components was
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caused by the overpressurization, and the event did not violate the-low temper-
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ature crittle fracture limit for the Reactor. Coolant System (RCS)-(NC). .-However,
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the inspection-found several problems including lack of management control'over
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plant status, failure to report the event as requireo, failure to conduct
Technical Specification (TS)' required surveillances on the Power Operated
Relief Valves (PORVs), and an inadequate design change'on the RHR (ND) suction.
isolation valve logic.
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Areas examined during the inspection are identified in the report. Within these
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areas, the inspection consisted of selective examinations of procedures and
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representative records, interviews with personnel, and observation of activities
in progress.
.
The inspection findings indicate that certain activities appear to violate NRC
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requirements.
The apparent violations described in the enclosed inspection
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report are under consideration for escalated enforcement action.
Accordingly,
no Notice of Violation is being issued at this time, and no response to this
letter is required for these apparent violations. However, please be advised-
that the number and characterization of the apparent violations described in
the enclosed inspection report may change as a result of further NRC review.
An Enforcement Conference to discuss these apparent violatians is scheduled for
April 25, 1990. You will be advised by separate' correspondence of the results
of our deliberations on this matter,
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April 16, 1990
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Docket Nos. 50-413. 50-414
Duke Power Company
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ATTN: Mr. H. B. Tucker, Vice President
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Nuclear Production Department
422 South Church Street
Charlotte, NC 28242
Gentlemen:
SUBJECT: :NRC INSPECTION REPORT NOS. 50-413/90-10 AND 50-414/90-10
This refers to the special, onsite inspection conducted by the Nuclear Regulatory-
~
Commission (NRC) during the period. March 22'- 26, 1990.
The inspection included
a review of actions concerning the March 20, 1990,- overpressure eventLat your
Catawba - facility. .At the conclusion; of; the i n spection', the findings were
i
discussed with those members of your staff identified in the. enclosed
inspection report.
!
The inspection concluded that the licensee's immediate actions during the event
were appropriate, the licensee's investigation -of the event was -thorough and -
technically adequate, no significant damage - to RHR (ND) system components was:
caused by the overpressurization, and the event'did not violatetthe low temper-
1
ature brittle fracture limit.for the Reactor Coolant System (RCS) (NC).
However,
-the inspection found several problems including lack of management control over-
plant status, failure to report the event. as required, failure -to conduct
Technical Specification (TS) required . surveillances on .the Power Operated
i
Relief Valves (PORVs), and an inadequate design cha.nge.on the RHR (ND) suction
I
isolation valve logic.
i
Areas examined during the inspection are identiiied in the report. 'Within these
areas, the inspection consisted of selective examinations of procedures and
,
representative records, interviews with personnel, and observation of activities
J
&n progress.
The inspection findings indicate that certain activities appear to violate NRC
~l
requirements.
The apparent violations described in the enclosed inspection
report are under consideration for ercalated enforcement action. Accordingly,
j
no Notice of Violation is being issued at this time, and no response to this
j
letter is required for these apparent violations.
However, please be advised.
'
that the number and characterization of the apparent violations described in
,
the enclosed inspection report may change as a result of further NRC review.
!
An Enforcement Conference to discuss these apparent violations is scheduled for
,
April 25, 1990. You will be advised by separate correspondence of the results
a
of our deliberations on this matter.
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April;16', 1990
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- Inaccordance with Section 2- 790 of? the NRC's!" Rules of Practice," Part
2,,
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Title 10,-Code of Federal-Regulations, a copy of this= letter;and its enclosures'
-
will be placed in the NRC Public-Document-Room.
Should you have any' questions concerning this _ letter, please contact us.
Sincerely,
(ORIGINAL SIGNED BY A.! F. _ GIBSON. ) _.
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Albert F; Gibson, Director-
.
Division:of Reactor Safety.
Enclosure:.
NRC: Inspection Report.
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cc w/ encl:
T.-B.-Owen,-Station-Manager
Catawba Nuclear' Station
P. O. Box 256
Clover, SC 29710
A. V. Carr, Esq.
Duke Power Company
422 South Church Street
Charlotte,1NC 28242
J. Michael _McGarry, III, Esq.
' Bishop, Cook, Purcell and Reynolds
1400 L Street, NW
Washington, D. C.
20005
North Carolina MPA-1
3100 Smoketree Ct., Suite 600
P. O. Box 29513
Raleigh, NC 27626-0513
Heyward G. Shealy, Chief
. Bureau of Radiological Health
South Carolina Department of Health
and Environmental Control
2600 Bull Street
Columbia, SC 29201
Richard P. Wilson, Esq.
Assistant Attorney General
S. C. Attorney General'.s_ Office
P. O. Box 11549
,
Columbia, SC 29211
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(cc w/enci cont'd - See page 3)
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Federal' Emergency; Management Agency-
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1500-C-Str'eet,iSWi; Room.840i
Washington,'D.EC: L20472-.
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- 3400'Sumner' Boulevard
P . ' 0. > Bo'x 27306~.
.Raleigh, NC-':27611:
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Assistant Attorney _ General.
'N. C.EDepartment of Justice
P. O.1Boxi629:
Ra'leigh, NC- 27602'
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Saluda River: Electric.
Cooperative,lInc.
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P. O. Box 929
Laurens, SC 29360-
S. S. Kilborn, Area.' Manager
'Mid-South-Area ESSD-Projects:
Westinghouse.-Electric Corporation
MNC West Tower - Bay 239-
P. O, Box 335
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Pittsburg, PA 15230'
County Manager'of' York' County
York County Cour.thouse
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York, SC 29745
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Piedmont Municipal Power Agency
'121 Village Drive
-Greer, SC 29651
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State of~ South Carolina-
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April 16, 1990.
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E. Merschoff, DRS
' T.- Murley, NRR/DONRR -
cument Control Desk
NRC Resident Inspector
U.S.~ Nuclear Regulatory Comission
Route 2. Box'179-N
! York,'SC 29745
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