ML20028C960

Interim Deficiency Rept DER 82-72 Re Concrete Void in Containment Exterior Wall.Bechtel Investigation Underway. Final Rept Will Be Submitted by 830421

ML20028C960
Person / Time
Site:	Palo Verde
Issue date:	12/23/1982
From:	Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	Sternberg D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
References
10CFR-050.55E, 10CFR-50.55E, ANPP-22591-GHD, DER-82-72, NUDOCS 8301140347
Download: ML20028C960 (3)

Text

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PO. Box 21668.' PHOENIX, ARIZONA 85036 ' +

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December 4 1982 ANPP-22591-CitD71SK3 U. S. Nucle'ar Regulatory Commission Region V Creekside Oaks Office Park 1450 Maria Lane - Suite 210 Walnut Creek, California 94596-5368 Attention:- Mr. D. M. Sternberg, Chief Reactor Projects Branch 1

Subject:

Interim Report - DER 82-72 A 50.55(e) Potentially Reportable Deficiency Relating to Concrete Void In Unit 2 Containment Exterior Wall File: 82-019-026 D.4.33.2

Reference:

Telephone Conversation between P. Narbut and G. Duckworth on November 24, 1982

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 attacheL It is now expected that this information will be finalized by April 21, 1983, at which time a complete report will be submitted.

Very truly yours,

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gg E. E. Van Brunt, Jr.

APS Vice President Nuclear Projects Management ANPP Project Director EEVBJr/ Gild:db Enclosure cc: See Attached Page 2 8301 ~140347 ~821223m s

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U. S. Nuclear Regulatory Commission-December 23, 1982 Attention:. Mr. D. M. Sternberg, Chief "ANPP-22591-GHD/BSK Page 2 cc: Richard DeYoung, Director Office of Inspection and Enforcement U. S.' Nuclear Regulatory Commission.

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

J. A. Roedel-D. B. Fasnacht G.~C. Andognini J. R. Bynum-A. C. Rogers B. S. Kaplan W. E.-Ide J. Vorees J. A. Brand A. C. Gehr W. J. Stubblefield W. G. Bingham R.'L. Patterson R. W. Welcher R. M. Grant D. R. Hawkinson L. E. Vorderbrueggen G. A. Fiorelli P. P. Klute Lynne Bernabei, Esq.

Harmon & Weiss 1725 "I" Street, NW Washington, D. C. 20006 R. L. Greenfield Assistant Attorney General Bataan Memorial Building Santa Fe, New Mexico 87503 l

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-INTERIM REPORT - DER 82-72' POTENTIAL REPORTABLE DEFICIENCY l

ARIZONA PUBLIC SERVICE COMPANY (APS)'

r PVNGS UNIT 2 i.

I.

POTENTIAL PROBLEM h.

. Specification 13-Cit-158, _ Rev. 9, L Paragraphs D.8.6.2.5 and D.8.6.2.7 l'

_ require that the tendon sheathing must be sufficiently leak-tight to hold the sheathing filler material.

When the subcontractor conducted the'information air > test prior to

' greasing tendons H32-009 and H32-011, the sheathings. revealed excessive leakage.to the outside face of the concrete..Further investigation revealed-a concrete. surface irregularity in the exterior containment wall at the point of air leakage.

Investigation of this surface irregularity by chipping has revealed ~

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a crack generally parallel to the concrete surface and located up to 5" from the surface.

II. APPROACH TO AND STATUS OF PROPOSED RESOLUTION

'Bechtel Engineering has initiated an investigation concerning this condition.

III. PROJECTED COMPLETION OF CORRECTIVE ACTION AND SUBMITTAL OF TiiE FINAL REPORT Evaluation of this condition and submittal of the Final Report is forecast to be completed by April 21, 1983.