ML20083G856

Interim Deficiency Rept DER 83-80 Re Closure of Anchor Darling Main Feedwater Isolation Valves in 20 S.Initially Reported on 831122.Extensive Investigation & Evaluation Will Be Finalized by 840217

ML20083G856
Person / Time
Site:	Palo Verde
Issue date:	12/19/1983
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	Bishop T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
10CFR-050.55E, 10CFR-50.55E, ANPP-28462-BSK, DER-83-80, NUDOCS 8401120302
Download: ML20083G856 (3)

Text

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,,,<c Arizona Public Service Company M, 3 g P.O. BOX 21666 '

• PHOENIX, ARIZONA 85036 M,,II: l4_

December 19, 1983 flgo., N W ANPP-28462-BSK/KCP 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 83-80 A 50.55(e) Potentially Reportable Deficiency: Main Feedwater l

Isolation Valves (Anchor / Darling) Closed In 20 Seconds.

-. Specification 13-MM-234A Specifies A 5 Second Closure Time.

File: 83-019-026; D.4. 33.2

Reference:

. Telephone Conversation between P. Narbut and K. C. Parrish on November 22, 1983.

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 February 17, 1984, at which time a complete report will be submitted.

Very truly yours,

{

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8401120302 B31219 E. E. Van Brunt, Jr.

PDR ADOCK 05000528 S

PDR APS Vice President, Nuclear Projects Management ANPP Project Director EEVB/KCP:ru Attachment cc:

See Page Two O

t

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w Mr. T2 W. Bishop.

DER 83-80

'Page Two tec:

Richard.DeYoung, Director.

10ffice of Inspection and Enforcement

- U. S. Nuclear Regulatory Commission

-Washington, D. C. 20555 T. G. Woods, Jr.

G. C. Andognini J.-A. Roedel-

. E. B. Fasnacht A.-C. Rogers

- B. S. Kaplan W. E. Ide J. Vorees J. R.'Bynum

- D. D. Green P. P. Klute A. C. Gehr W. J. Stubblefield W..G. Bingham i

R. L. Patterson R. W Welcher p

R. M. Grant D. R. Hawkinson L. E. Vorderbrueggen G. A.'Fiorelli S. R. Frost J. Self D. Canady Records Center Institute of Nuclear Power Operations 1100 Circle 75 Parkway, Suite 1500 L

Atlanta, GA 30339 L

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-INTERIM REPORT.- DER 83-80'

. POTENTIAL' REPORTABLE DEFICIENCY ARIZONA PUBLIC SERVICE COMPANY (APS)

PVNGS UNITS 1, 2,-& 3 7

I.-

Potential-Problem

. Specification 13-MM-234A, requires that the Main Feedwater Isolation

~

Valves O(FIV) shall close fully within 5 seconds after receipt offa-signal..During Startup testing it was determined that.the Anchor-

. Darling valves supplied to PVNGS were designed' to close within

. 20 seconds.. The valves are identified by the following' tag numbers:

1JSGA-UV-174 2JSGA-UV-17*-

3JSGA-UV-174

~ 1JSGA-UV-177 2JSCA-UV-17) 3JSGA-UV-177 IJSGB-UV-132.

2JSGB-UV-132 3JSGB-UV-132

~1JSGB-UV-137~

2JSGB-UV-137 3JSGB-UV-137 II.

Approach To'and Status of Proposed Resolution L Bechtel: engineering is corrcsponding with Anchor Darling to determine reportability and technical justification for corrective -

A-action.

III. Projected Completion of Corrective Action and Submittal of the Final Report t

, Evaluation of this condition and submittal of the Final Report is

. Forecast to. be completed by February 17, 1984.

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