ML20147H578
| ML20147H578 | |
| Person / Time | |
|---|---|
| Site: | McGuire, Mcguire  |
| Issue date: | 03/03/1988 |
| From: | Tucker H DUKE POWER CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| NUDOCS 8803090005 | |
| Download: ML20147H578 (3) | |
Text
_ _ _ __-__
- ,i Duxe Powen COMPANY P.O. MOX 33180 CitARLOTTE. N.O. 28949 HALH. TUCKER tatarseows vue ressenen (704) 0F3-4834 mtuasas enoewnon March 3, 1988 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C.
20555
Subject:
McGuire Nuclear Station Docket Nos. 50-369, -370 NRC/01E Inspection Report Nos.
50-369/S7-46 and 50-370/87-46 Reply to a Notice of Violation Violation 50-370/87-46-01 Gentlemen:
4 Pursuant to 10CFR 2.201, please find attached Duke Power Company's response to the violation identified in the subject inspection report.
Very.truly yours, 24 -
-Ce Hal B. Tucker i
SEL/244/jgc 4
Attachment xc:
Dr. J. Nelson Grace Regional Administrator, Region II U.S. Nuclear Regulatory Commission 101 Marietta St., NW, Suite 2900 l
Atlanta, GA 30323 Mr. Darl Hood i
l U.S. Nuclear Regulatory Commission
{
l Of# ice of Nuclear Reactor Regulation Washington, D.C.
20555 i
Mr. W.T. Orders a
NRC Reuident Inspector f
McGuire Nuclear Station
/ g\\
8803090005 880303 PDR ADOCK 05000360 0
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DUKE POWER COMPANY McGUIRE NUCLEAR STATION REPLY TO A NOTICE OF VIOLATION VIOLATION 50-370/87-46-01 During the NRC inspection conducted on November 7,1987 - January 13, 1988, the following violation was identified:
10 CFR, Appendix B, Criterion XI, requires that a test program be established to assure that all testing required to demonstrate that structures, systems, and components will perform satisfactorily in service is identified and performed in accordance with written test procedures which incorporate the requirements and acceptance limits contained in applicable design documents.
The test program shall include, as appropriate, proof tests prior to instal-lation, pre-operational tests, and operational tests during nuclear power plant operation, of structures, systems, and components. Test results shall be documented and evaluated to assure that test requirements have been satis-fied.
Contrary to the above, the test program established to demonstrate that the component cooling system will perform satisfactorily in service was inadequate in that five of the six tests performed between the dates of September 4, and October 9, 1987 failed revealing that the associated train of component cooling was inoperable.
In as much as a test program is, by design, estab-lished to maintain system operability, the repeated inoperability of the tested components is indicative of an inadequate program.
This is a Se7erity Level IV violation (Supplement I) and is applicable to Unit 2 only.
RESPONSE
1.
Admission or denial of violation:
Duke Power Company admits the violation occurred as stated.
2.
Reason for the violation if admitted:
The failure of the Unit 2 Component Cooling (KC) Heat Exchanger perfor-mance test to meet acceptance criteria for these successive tests indi-cates the program was inadequate to verify operability as required.
3.
Corrective steps which have been taken and the results achieved:
1 The KC Heat Exchangers were cleaned and returned to service.
The fol-loving actions were also taken:
a.
A Station Problem Report was initiated for Duke Design Engineering to begin design work for the permanent installation of a continuous KC Heat Exchanger differential pressure (DP) monitoring system; and b.
A Duke Design Engineering design study was initiated to investigate enhancements to the Nuclear Service Water (RN) system to reduce heat exchanger fouling problems.
Page 2 4.
Corrective steps planned to avoid further violations:
The following corrective actions will be taken:
a.
The installation of temporary DP transmitters across the Unit I and 2 KC Heat Exchangers to monitor DP daily; and, b.
Station programs are being developed to address failed surveillance tests that affect operability.
The programs will contain criteria for the evaluation of the surveillanae interval.
5.
The date when full compliance will be achieved:
The Duke Power Company McGuire Nuclear Station will be in compliance with respect to planned corrective actions described above by the following dates:
a.
March 1, 1988; and, b.
April 1,1988 for the McGuire Performance section and October 1, 1988 for all other McGuire sections performing surveillances.