ML19247B075
| ML19247B075 | |
| Person / Time | |
|---|---|
| Site: | Hatch, Vogtle  |
| Issue date: | 06/26/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | John Miller GEORGIA POWER CO. |
| References | |
| NUDOCS 7908070142 | |
| Download: ML19247B075 (2) | |
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NUCLEAR REGULATORY COMMISSION
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REGION 11 101 M A RIE TT A ST, N W. SulTE 3100
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JUN z 61979 In Reply Refer To:
RII:JPO-50-321, 50-366
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50-424, 50-425 Georgia Power Company Attn:
J. E. Miller, Jr.
Executive Vice President 270 Peachtree Street, N. W.
Atlanta, Georgia 30303 Gentlemen:
Ihis Circular is provided as an early notification of a possibly significant matter.
It is expected that recipients will review the information for possible applicability to their facilities. No spe ific action or response is requested at this time.
If further NRC evaluations so indicate, an IE Eulletin will be issued to recon =end or request specific licensee actions.
If you have questions regarding this matter, please contact the Director of the appropriate NRC Regional Office.
Sincerely, q "?
e~n e
{x James P. O'Reilly Director
Enclosures:
1.
IE Circular No. 79-10 2.
List of IE Circulars Issued in Last 12 Months
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jgN c 61979 Georgia Power Company cc w/ enc 1:
M. Manry, Plant Manager Post Office Box 442 Baxley, Georgia 31513 C. E. Belflower Site QA Supervisor Post Office Box 442 Baxley, Georgia 31513 K. M. Gillespie Construction Project Manager Post Office Box 282 Waynesboro, Georgia 30830 E. D. Grover QA Site Supervisor Post Office Box 282 Waynesboro, Georgia 30830 425 d, e
UNITED STATES 1,'UCLEAR REGULATORY COMMISSION 07FICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C.
20555 June 26, 1979 IE Circular No. 79-10 (7906200171)
PIPEFITTINGS MANUFACTURED FROM UNACCEPTABLE MATERIAL Description of Circumstances:
Liberty Equipment and Supply Company of Kennewick, Washington and Tube Turns Division, Chemetron Corporation of Louisville, Kentucky reported on April -
and 12, 1979, respectively, that potentially defective pipe fittings were manufactured from material with a high carbon content beyond the range allowed by ASTM A-234 WPB.
These high carbon conter: fittings may crack when welded.
Tube iurns received 3.500 OD x.250W pipe from U.
S. Steel - Lorain -
ide.itified as U. S.
Steel Heat No. N570028.
A total of 28,153 feet was received and ideuified by Tube Turns as Lot W6719.
U. S. Steel has not been able to determine t he exact number of lengths of pipe of incorrect chemistry, but indicared it could be at least four lengths.
From this pipe, 4" - 90 degrees and 45 degrees -.237 wall elbows end 2"
.237 wall straight tees, ASTM A-234 WPla, re produced by Tube Turns.
Each length of pipe is twenty feet and makes rom 20 to 30 fittings.
Approximately 27,000 fittings were produced and each is identifiad by Tube Turns Lot No. W6719.
Shipment of these fittings started in Maren of 1978, and it is estimated all were shipped before the end of 1976.
On May 10, 1979, the Tube Turns Division reported to the NRC that 4" elbows.
Lot W6719, have been provided to the nuclear power plants listed below.
U.S.
Steel has tested about one hundred and fifty (150) loose and installed fittings at the seven sites noted by an asterisk.
- Grand Gulf
- Zimmer
- Phipps Bend
- Uaterford III
- Brown's Ferry M1, land Limerick Shoreha=
- LaSalle Sequcyaa
- Brunswick Hartsville Bellefonte On June 1, 1979, the Tube i;rns Division reported tc the NRC via telephone that of the 160 fittings tested at Nuclear Power Plants, three (3) pieces were found to have a high carbon content and were replaced.
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All const ruct ion permit holde.s ar DUPLICATE pipefitting receiving documents fo and determine if fit t ings manuf ac t Entire document identified as Tube Turn tot W6719.
y..to system under Y entered g
were received, appropriate corrte'
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