ML20080R627
| ML20080R627 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 02/15/1984 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Bishop T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| ANPP-28885-BSK, DER-84-02, DER-84-2, NUDOCS 8402280360 | |
| Download: ML20080R627 (3) | |
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'ft Arizona Public Service Company P.O. Box 21666 + PHOENIX, ARIZONA 85036 February 15,-1984 g
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M NS U. S. Nuclear-Regulatory Commission Z
3 Region V 3
Creekside Oaks Office Park W-c.)
1450 Maria Lane - Suite 210 y
Walnut Creek, CA 94596-5368 n
Attention: Mr. T. W. Bishop, Director Division of Resident Reactor Projects and Engineering Programs Interim Report - DER 84-02
Subject:
~A 50.55(e) Potentially Reportable Deficiency Relating to Excessive Rust, Scale and Pitting in Clevis and Arm of Several SI and CH valves.
File: 84-019-026; D.4.33.2
Reference:
Telephone Conversation between P. Johnson and T. Bradish on January 23, 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 March 27, 1984, at which time a complete report will be submitted, y
Verytrulpyour CLLLT
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E.. Van Brunt, Jr.
APS Vice President, Nuclear ANPP Project Director EEVB/TRB:db At tachment
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See Page Two 8402290360 840215 PDR ADOCK 05000528 S
.s Mr.' T. W. Bishop DER 84-02 Page Two i..
cc:
Richard DeYoung,-Director Office of Inspection and Enforcement U. S. Nuclear' Regulatory Commission Washington, D. C. 20555-T. G. Woods, Jr;
'W. E. Ide D. B. Fasnacht A._C. Rogers
-B. S. Kaplan J. Vorees J. R. Bynum P. P. Klute A. C. Gehr W. J. Stubblefield W. G. Bingham R. L. Patterson R. W. Welcher H. D. Foster 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 Atlanta, GA 30339
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. I' TERIM. REPORT - DER 84-02 N
l POTENTIAL REPORTABLE DEFICIENCY
- ARIZONA PUBLIC SERVICE COMPANY-(APS)
PVNGS UNIT 1, 2, 3 I.
POTENTIAL PROBLEM NCR SM-3448 identified the existence of excessive rust, heavy scale,
.and pitting of the clevis-(Part No. 26) in valves IPSIAV205, lPS1BV206, and 1PS1BV158. The material type listed on drawing N001-ll.0.4-17-8 for the clevis is ASTM 296 GR CFBM. NCR SM-3534 identified the existence of excessive oxidation of the clevis'and arm in valve 2PCHE-V450 and several-other valves (2PCHN-V139, 2PCHN-V450,'and 2PCHN-V647). The material type listed on drawing N001-7.09-88 for the clevis is ASTM A 240 type 316L and for the arm is AMS 5398 17-4PH.
Further Field Investigation revealed the existence of rust on the-internal walls of-the valve body and there is reason to believe that this condition could be generic to all C.E. (Borg-Warner) check valves in the SI and CH subsystems.
II.
APPROACH TO AND STATUS OF PROPOSED RESOLUTION Bechtel Engineering -is corresponding with C-E for reportability and technical. justification of corrective action.
III. PRCLTECTED COMPLETION OF CORRECTIVE ACTION AND SUBMITTAL OF THE FINAL REPORT Evaluation of this condition and submittal of the Final Report is Forecast to be completed by March 27, 1984.
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