ML20217H871
| ML20217H871 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 10/15/1997 |
| From: | Dailey J AFFILIATION NOT ASSIGNED |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| REF-PT21-97 NUDOCS 9710170102 | |
| Download: ML20217H871 (3) | |
Text
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coot DuBose 4
National Energy Services,Inc.
October 15,1997 l
i Attn: NRC Operations Center i
Document Control Desk US Nuclear Regulatory Commission l
Washington,DC 20555 L
Subject:
Potential 10 CFR 21 Dear Sir; i
i This letter is to iriform you of a potential safety hazard for some % Sch 40 pipe j
shipped to two or our customers, Carolina Power & Light and Virginia Power Corp. This material has been found to have areas where the wall thickness 2
falls below the minimum allowed by the SA 312 specification.
When the material was cut by Virginia Power Cog at their North Anna site this j
condition was found. The minimum wall thickness of.099 had been violated.
Some of the readings were as low as.087.
A sample of this material has 1 --a returned to Sandvik Steel, the producer, in Scranton, PA, for evaluation.
The orders were for %, schedule 40, Pipe SA 312, type 304. Carolina Power
& Light, PO #8N7398CJ had one piece 23' 11" and PO #8P8410CJ had 2
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pieces totaling 46' 11", all of this material came from heat #46989.
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The Virginia Power Corp orders were #CNT-552587, CNT-556011, & CNT-558917 for one piece each of % schedule 40 Pipe, SA 312, type 304. Each piece was 22' to 23' 6" random length from heat #46989.
971o17olo2 971o15
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PDR ADOCK 05o00339 S
PDR 1 b ') b $ >
(910) 590-2151 = 1800-590-2150 e FAX (910) 590 3555 P.O. Box 499
- Clinton, NC 28328
10/15/97 14:06 FAI 19105903555 DUBOSE NES 66 002
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4 Each of these customer has been notified and we will notify them of any infonnation received from the producer of the pipe, when it is available. If I can be of any further assistance you may contact me at 1-800-590 9.150.
l --
Sincerely, M
James N. Dailey QA Manager copy: CarlRogers, President VP Sales Sales Manager
. v.
GENERAL INFORMATION or OTHER EVENT NUMBER:
33088 LICENSEE: DUBOSE NATIONAL ENERGY SERVICES INC NOTIFICATION DATE: 10/15/97 CITY: CLINTON REGION: 2 NOTIFICATION TIME: 15:06 [ET]
COUNTY:
STATE: NC EVENT DATE:
10/15/97 LICENSE #:
AGREEMERT: Y EVENT TIME:
00 : 00 (EDT)
DOCKET:
LAST UPDATE DATE:
10/15/97 NOTIFICATIONS THOMAS PEEBLES RDO NRC NOTIFIED BY: DAILEY(FAX)
VERN HODGE NRR HQ OPS OFFICER:
CHAUNCEY GOULD EMERGENCY CLASS: NOT APPLICABLE 10 CFR SECTION:
CCCC 21,21 UNSPECIFIED PARAGRAPH EVENT TEXT DUBOSE NATIONAL ENERGY SERVICES INC SUBMITTED A POTENTIAL PART 21 REPORT.
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THE " DEFECT" IN QUESTION IS SOME 3/4" SCH 40 PIPING WHICH MAY HAVE WALL THICKNESS AS LOW AS.087" WHEN THE MINIMUM ALLOWED BY SA 312 SPECIFICATIONS IS.099".
THIS PIPING WAS SHIPPED TO CAROLINA POWER & LIGHT AND VIRGINIA POWER AND THE NORTH ANNA SITE DISCOVERED THIS CONDITION.
THEY HAVE RETURNED A SAMPLE OF MATERIAL TO THE PRODUCER, SANDVIK STEEL, FOR EVALUATION.
BOTH SHIPMENTS OF PIPING TO THE TWO CUSTOMERS HAD THE SAME HEAT #46989.
THE CUSTOMERS HAVE BEEN NOTIFIED.
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