ML20033A474

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Fourth Interim Deficiency Rept Re Main Feedwater & Containment Isolation Valve Miscategorization,Initially Reported 810106.Qualification Rept on hydraulic-operated Valves Contracted w/Borg-Worner.Next Rept Expected 820323
ML20033A474
Person / Time
Site: Bellefonte  Tennessee Valley Authority icon.png
Issue date: 11/17/1981
From: Mills L
TENNESSEE VALLEY AUTHORITY
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
10CFR-050.55E, 10CFR-50.55E, NUDOCS 8111250477
Download: ML20033A474 (2)


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.D s-TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 374,o RC REGl3n -

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400 Chestnut Street Tower II November 17)l1W8V 20 A $,. 4 i BLRD-50-438/81-09 M

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BLRD-50-439/81-09 eel ([q( %

s Mr. James P. O'Reilly, Director Office of Inspection and Enforcement

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Dear Mr. O'Reilly:

BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - MAIN FEEDWATER AND CONTAINMENT ISOLATION VALVE MISCATEGORIZATION - BLRD-50-438/81-09, BLRD-50-439/81 FOURTH INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector M. Thomas on January 6, 1981, in accordance with 10 CFR 50.55(e) as NCR BLN BLP 8015. This was followed by c,ur interim reports dated February 5, May 6, and August 18, 1981. Enclosed is our fourth interim report. We expect to submit our next report by March 23, 1982.

If you have any questions concerning this matter, please get in touch with R. H. Shell at FTS 858-2688.

Very truly yours, TENNESSEE VALLEY AUTHORITY

. M. Mills, Man ger Nuclear Regulation and Safety.

Enclosure cc:

Mr. Victor Stello, Jr., Director (Enclosure)

Office of Inspection and Enforcement

.U.S.-Nuclear Regulatory Commission Washington, DC 20555 OFFICIAL COPY 8111250477 811117

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PDR ADOCK 05000438

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.S PDR EM An Equal Opportunity Employer

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ENCLOSURF BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 MAIN FEEDWATER AND CONTAINMENT ISOLATION VALVE MISCATEGORIZATION i

BLRD-50-438/81-09, BLRD-50-439/81-09 1

10 CFR 50.55(e) i FOURTH INTERIM REPORT Description of Deficiency j

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The following 20" valves are identified as Seismic Category I (active) by design criteria documents. They were inadvertently specified and purchased as Seismic Category I(L) (i.e., limited seismic requirements).

UNID No.

Mark No.

Item No.

Contract Vendor 1 & 2CF-VKEB-080-B 3BWO401-CF-01 408 77K38-86163-8 Borg-Warner 1 & 2CF-VKEB-081-B 3BWO401-CF-01 408 77K38-86163-8 Borg-Warner 1 & 2CF-VCEB-86-N 3BWO401-CF-10 412 76K38-86163-1 Atwood and Morrill 1 & 2CF-VCEB-87-N 3BWO401-CF-10 412 76K38-86163-1 Atwood and Morrill The Borg-Warner valves art actor-operated gate valves, and the Atwood and Morrill va?ctes are swing check type.

Interim Progress Atwood and Morrill has submitted to TVA the seismic and stress report for qualification of the swing check valves to Seismic Category I l

(active) requirements. TVA has reviewed and approved this report.

TVA has contracted with Borg-Warner for the necessary documentation for qualification of the hydraulic-operated gate valves. Borg-Warner is in the process of qualifying the hydraulic operators. TVA will review the qualification report when it is submitted by Borg-Warner.

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