ML20099E207

Interim Deficiency Rept DER 84-81 Re HPSI Valve Hesitation. Initially Reported on 841009.Investigation Continuing.Final Rept Expected by 841130

ML20099E207
Person / Time
Site:	Palo Verde
Issue date:	11/06/1984
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	Bishop T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
ANPP-31071-TDS, DER-84-81, NUDOCS 8411210163
Download: ML20099E207 (3)

Text

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. *z RECE!VED IM Arizona Public Service Company 19 NGV -3 g gy ;,

NoveAber 6, 1984EGl0!NilSF -

ANPP-31071-TDS/TRB U. S. Nuclear Regulatory Commission Region V Creekside.0aks Office Park 1450 Maria Iane - Suite 210 Walnut-Creek, California- 94596-5368 Attention: Mr. T. W. Bishop, Director Division of Reactor Safety and Projects

Subject:

Interim-Report - DER 84-81' A 50.55(e) Potentially Reportable Deficiency Relating To.

Unit 2 HPSI Valve Hesitation.

File: 84-019-026; D.4.33.2

Reference:

Telephone Conversation between D. Hollenbach and T. Bradish on October 9, 1984

Dear Sir:

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

Due to the extensive investigation and evaluation required, an Interim Report is attached. It is now expected that this information will' be finalized by November 30, 1984, at which time a complete report will be submitted.

Very truly yours, l

i.

EL%41 E. E. Van Brunt, Jr.

l APS Vice President l Nuclear Production j ANPP Project Director EEVB/TRB/nj Attachment cc: See Page Two l

8411210163 841106 gDRADOCK 05000529 *\

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-DER 84-81' Page Two

, ,, 4 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

~B. S. Kaplan

,J.}Vorees

'J. R..Synum

=J. M. Allen A. C. Gehr W. J. Stubblefield-W. G. Bingham R. L. Patterson R. W. Welcher H. D. Foster D. R. Hawkinson R. P._Zimmerman f

-L. Clyde M. Woods T. J. B1com Records Center Institute of Nuclear Power Operations 1100 Circle 75 Parkway,' Suite 1500 Atlanta, GA 30339 1.

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INTERIM REPORT - DER 84-81:

-POTENTIAL REPORTABLE DEFICIENCY-

, . -ARIZONA PUBLIC SERVICE COMPANY (APS)~ l PVNGS UNIT 2 -

,I.- Potential' Problem

~' With the HPSI (B) pump running and 3,of the 4 1 solation valves. ,

closed, one valve was opened. . Hesitation was noted between 65% and

'90% open position.' The problem was encountered with each valve when 1

the other 3 valves were closed.' : When the other 3 valves were open, the valves had no problems opening and closing. Some valves-torqued

.  : out before fully opening.-

II. -Approach To and Status Of Proposed Resolution

.Bechtel Engineering is corresponding with Combustion Engineering ' ,

(C-E) _to determine reportability and the ~ corrective a'ction for- this :

. deficiency.-

III. Projected Completion of Corrective Action'.

and Submittal of the Final Report The complete evaluation and final report are' forecast to be completed by November 30, 1984.

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