ML20071N548
| ML20071N548 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 10/01/1982 |
| From: | Tucker H DUKE POWER CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8210080208 | |
| Download: ML20071N548 (3) | |
Text
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e Dunn PowEn GOMPANY 18.0. IK)X (K)180 CIIAHIMITE, N.C. 28242 II AL II. TUCKI'R TF,LEPHONE (704) 373-4531 vara e.reen.ww October 1, 1982
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Mr. James P. O'Reilly, Regional Administrator U. S. Nuclear Regulatory Commission Region 11
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101 Marietta Street, Suite 3100 7
Atlanta, Georgia 30303
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Catawba Nuclear Station
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Units I and 2 3
Docket Nos. 50-413 and 50-414
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Dear Mr. O'Reilly:
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Pursuant to 10 CFR 50.55e, please find attached Significant Deficiency Report' SD 413-414/82-18.
Very truly yours,
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c/ m Hal B. Tucker RWO/php Attachment cc:
Director Mr. Robert Guild, Esq.
Office of Inspection s Enforcement Attorney-at-Law U. S. Nuclear Regulatory Commission 314 Pall Hall Washington, D. C. 20555 Columbia, South Carolina 29201 Mr. P. K. Van Doorn Palmetto Alliance l
NRC Resident inspector 2135 Devine Street f
Catawba Nuclear Station Columbia, South Carolina 29205 I
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DUKE POWER COMPANY-CATAW8A NUCLEAR STATION SIGNIFICANT DEFICIENCY REPORT NUMBER: SD 413-414/82-18 REPORT DATE: October 1,1982 FACILITY: Catawba Nuclear Station - Units 1 and 2 IDENTIFICATION OF DEFICIENCY:
Radiographic examinations not performed on flux core welding filler material ordered to SFA 5.20.
INITIAL REPORT:
On September 3,1982, Mr. W. O. Henry and Mr. L. M. Coggins notified Mr. A. J. Ignatonis, USNRC Region ll, of the subject deficiency.
DESCRIPTION OF DEFICIENCY:
Welding filler material manufactured by Teledyne McKay, York, Pennsylvania, was not radiographed as required by ASME Section 11, Part C, SFA 5.20.
The material is E70T-1 flux core wire with heat numbers 299T3959 and 299T4019.
The total. amount received _was 20,023 pounds. The material was used in welding the containnent dome plates, and additionally, was used on the lower pressurizer
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supports and two pipe welds.
The root cause of this deficiency is a misinterpretation of the material specification by the manufacturer which was not detected during the records review. Specifically, the manufacturer read paragraph 4.1 of SFA 5.20 to mean that tests required by the material specification were not required unless the purchaser specifically requested the tests on the purchase order.
Discussions with other manufacturers led to the conclusion that required tests were always required. Teledyne McKay indicated that their inter-pretation was applied to all orders handled by them. This concern may have Industry wide implications for material supplied by Teledyne McKay.
ANALYSIS OF SAFETY IMPLICATIONS:
A review of field radiographs showed that the filler material in question had successfully passed radiographic examinations in the field as part of the code required examinations. Therefore, the filler material has been demonstrated to produce radiographic quality welds sufficient to meet the requirements of ASME Section lil, Subsection NE. We conclude that no safety hazard exists.
A review of records at McGuire Nuclear Station and Oconee Nuclear Station revealed that one additional heat of flux core welding material had been received at McGuire. This material had received the required radiographic
examination.
CORRECTIVE ACTION:
' Corrective. action taken to date is to receive verbal committment from Teledyne McKay that all Duke Power purchase orders for this material will receive radiography.
Corrective action to be taken will be as follows:
a)
Receive written confirmation of the verbal committment to radiograph this type material, b)
Require all Duke Power purchase orders for filler material include the following statement:
"All tests required by the material specification and ASME Section li t shall be performed and the results submitted to Duke Power Company."
This corrective action will be complete by March 1, 1983