ML20093B254

Interim Deficiency Rept DER 84-56 Re Fire Dampers Closing Inconsistently.Initially Reported on 840822.Due to Extensive Investigation & Evaluation,Final Rept Will Be Submitted on 841031

ML20093B254
Person / Time
Site:	Palo Verde
Issue date:	09/19/1984
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	Bishop T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
ANPP-30569-TDS, DER-84-56, NUDOCS 8410090495
Download: ML20093B254 (3)

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iTECElVED h?C Arizona Public Service Company i334 SEP 24 PH 4: 08 September 19pp 4. '

ANPP-30569-TD5 B U. S. Nuclear Regulatory Commission Region V Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, CA 94596-5368 Attention: Mr. T. W. Bishop, Director Division of Resident Reactor Projects and Engineering Programs Subject : Interim Report - DER 84-56 A 50.55(e) Potentially Reportable Deficiency Relating To Fire Dampers Close Inconsistently.

File: 84-019-026; D.4.33.2 Ref ere nce : Telephone Conversation between J. Ball and T. Bradish on August 22, 1984

Dear Sir:

The NRC was notified of a potentially reportable deficiency in the ref erenced telephone conversation. At that time, it was estimated that a determination of reportability would be nade within thirty (30) days.

Due to the extensive investigation and evaluation required, an Interim Report is attached. It is now expected that this inf ormation vill be finalized by October 31, 1984, at which tine a complete report will be submitted.

Very truly yours, Gm n E. E. Van B runt , Jr.

APS Vice President Nuclear Production ANPP Project Director EEVB/TRB/nj Attachment cc: See Page Two 8410090495 840919 PDR ADOCK 05000529 s PDR I \ f[.g y

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.'l L Mr. T.~ W. Bishop DER 84-56 Page Two cc: Richard DeYoung, Director Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C. 20555 T. G. Woods, Jr.

D. B. Karner W. E. Ide D. B. Fasnacht A. C. Rogers L. A. Souza D. E. Fowler T. D. Shriver C. N. Russo J. Vorees J. R. Bynum

-J. M. Allen J. A. Brand A. C. Gehr W. J. Stubblefield W. G. Bingham R. L. Patterson R. W. Welcher H. D. Foster D. R. llawkinson L. E. Vorderbrueggen R. P. Zimmerman S. R. F rost L. Clyde M. Woods T. J. Bloom Records Center Institute of Nuclear Power Operations 1100 circle 75 Parkway, Suite 1500 Atlanta, GA 30339

no INTERIM REPORT - DER 84-56

-POTENTIAL REPORTABLE DEFICIENCY ARIZONA PUBLIC SERVICE COMPANY ( APS)

PVNGS UNIT 1 I. Potential Problem

. SFR lHJ-153 identified that fire dampers were f ound to close

-inconsistently. NCRs SM-4579 and -4580 identified dampers HJB-Mll, HJN-M102, HJB-M08, HJB-M15, HJN-M60, HJN-M61, HJN-M62, _ and HJN-M107 as not closing fully under normal operating flow during the CO2 and Halon System pre-op testing.

II. Problem Resolution Plan Bechtel Engineering is currently studying this problem to determine reportability and the technical justification for corrective action. New fire damper blades are being installed for additional testing. The test results are scheduled to be complete by September 24, 1984 In addition, The Waldinger Corporation has been requested to provide Bechtel Engineering with information regarding the cause, resolution, and corrective action regarding this deficiency. Response to this request is forecast f or Septenber 26, 1984.

III. Projected Completion of Corrective Action and Submittal of the Final Report' The complete evaluation and final report are forecast to be completed by October 31, 1984.

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