ML20217H871

Part 21 Rept Re Potential Safety Hazard for Some 3/4 Sch 40 Pipe Shipped to CP&L & VA Power Corp.Matl Has Been Found to Have Areas Where Wall Thickness Falls Below Minimum Allowed by SA 312 Specification.Customers Have Been Notified

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

~ ~ ~~ ~ ~ ~ ~ ' ' ' ~ ~ '

ionsjef ti~:os FHisios90ss'ss'~ ' ~ ' ~ oss6sEsss~~ coot 4

DuBose -

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 2

Corp. This material has been found to have areas where the wall thickness 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 )

pieces totaling 46' 11", all of this material came from heat #46989. ,

The Virginia Power Corp orders were #CNT-552587, CNT-556011, & CNT-

]_t I c '

~1 <

ll 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  !

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 l 1

10/15/97 14:06 FAI 19105903555 DUBOSE NES 66 002

,- 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 l --

can be of any further assistance you may contact me at 1-800-590 9.150.

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 COUNTY: NOTIFICATION TIME: 15:06 [ET]

STATE: NC EVENT DATE: 10/15/97 LICENSE #: AGREEMERT: Y EVENT TIME:

DOCKET: 00 : 00 (EDT)

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.

(

THE " DEFECT" IN QUESTION IS SOME 3/4" SCH 40 PIPING WHICH MAY HAVE WALL THICKNESS IS .099". AS LOW AS .087" WHEN THE MINIMUM ALLOWED BY SA 312 SPECIFICATIONS 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.

HEAT #46989. BOTH SHIPMENTS OF PIPING TO THE TWO CUSTOMERS HAD THE SAME THE CUSTOMERS HAVE BEEN NOTIFIED.

l

. . . . .