ML20062J913

Part 21 Rept Re Us Steel Pipe W/Longitudinal Cracks.Piping Has Not Been Installed in Any Sys or Component That Is to Function Under Pressure.Final Rept Will Be Submitted by 810202

ML20062J913
Person / Time
Site:	Phipps Bend
Issue date:	11/03/1980
From:	Mills L TENNESSEE VALLEY AUTHORITY
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-80-304-000 10CFR-050.55E, 10CFR-50.55E, NCR-PBNP-154, NUDOCS 8011140557
Download: ML20062J913 (3)

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PART 21 IIERIFICATION NO. So 6cN-coo COPPANY MVE_ unlW adMb u u DA$ 0: LETTER it\M*o DOCET NO. % 'St!6Va64 -

DATE DISTRIBUTED ti'Ooam- ORIGINAL REPORT y_. _

SLPPIDENTARY DISTRIBlHION:

REACTOR (R) V FLEL CYCLE & SAFEGllARDS (S)

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PRELIMItMRY EVALUATION OF THE' ATTACHED REPORT INDICATES LEAD RESPONSIBILITY FOR

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{ TENNESSEE VAL. LEY AUTHORITY - - "

CHATTANOOGA. TENNESSEE s74ot

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3400 Chestnut Street Tower II j

\ *, O I) 86-OSG~d34. # November 3,1990 Mr. James P. O'Reilly, Director Office of Inspection and Enforcement g, g U.S. Nuclear Regulatory Commission --

Region II - Suite 3100 101 Marietta Street ~~~

Atlanta, Georgia 30302 -

Dear Mr. O'Reilly:

PHIPPS BEND NUCLEAR PLANT - REPORTA9LE DEFICIENCY - U.S. STEEL PIPE WITH LONGITUDI'IAL CRACKS (!JCR P3FP 15ft)

Initial notirication of t% subject deficiency was ma fe to NRC-0IS, Region II, Inspector R. W. Wrie,ht on Ooteber 3,1980. In complinrce with paragraph 50 55(e) or 10 CFR Part 50, we are enclosins the first interim report on the subject deficiency. We consider 10 CFR Part 21 applicable to this nonconformance. TVA anticipates  ;

transmitting the final report on or before Februa*y 2,1081. If you have any questions, please call Jim Domer at FT3 857-P014 Very truly yours, TEP'IES3EE VALLEY AUTHORT*"Y m ) T./. T v j

L. M. Mills, Manager Nuclear Regulation and Safety Enclosure _

cc: Mr. *.'ictor Stello, Director (Enclosure) office of Inspection ansi Enfor cement U.S. Nuclear Regulatoay Commission ,

Washington, DC 20555 i

l An Equal Opportunity Employer AL@g

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ENCLOSt!RE PHIPPS BEND MUCLEAR PLANT UNITS 1 AND 2 U.S. STEEL PIPE WITH LONGITUDINAL CRACKS ,

10 CFR PART 50.55(e) REPORT NO.1 (INTERIM)

On October 3,1980, TVA informed NRC-OIE, Region II, Inspector R. W. Wright of a condition regarding longitudinal cracks in U.S.

Steel carbon steel piping at Phipps Bend Nuclear Plant. T)is is the first interim report on the subject reportable deficiency. The 1 finsi report will be filed on or before February 2,1981. l 1

Description of Deficiency * -

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Three heats of seamless eight-inch schedulo 80 SA106B (heat Nos.

L5P448. L63651, and L63647) purchased from Cuyon Alloys under contract to TVA have displayed longitudinal cracks. These oracks I are not necessarily visible to the naked eye and have been detected by NDE procedures. The largest crack was 10 feet in length; one l crack penetrated 80 percent of the pipe wall thickness. This piping could have been used in any code system calling for this material. In no case has this piping been installed in any system or conponent that is to function under pressure.

Interin Progress

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Representatives of TVA, U.S. Steel, and Guyon Allys are to meet - -

onsite for evaluation and testine of the subject piping. The extent of this deficiency and the corrective action to be taken should be determined at this meeting.

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