ML20065H912
| ML20065H912 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 10/22/1990 |
| From: | Noonan T DUQUESNE LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| ND3MNO:3052, NUDOCS 9010310098 | |
| Download: ML20065H912 (4) | |
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Stug gungptart PA 15077-0004 October 22, 1990 ND3MNO:3052 Beaver Valley Power Station, Unit No. 2 Docket No. 50-412, License No. NPF-73 Revised Soecial Reoort United States Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Gentlemen:
In accordance with Appendix A, Beaver Valley Unit #2 Technical Specification 3/4.4.5, " Steam Generators," Surveillance Requirement 4.4.5.5.a, the following revised Special Report is submitted.
This revised report documents the correction of an error,-listing the steam generators which-received a leak limiting plug, during the Second Refueling Outage.
i On September 30,
- 1990, the inservice inspection-of twenty percent-of-the tubes in stesm generators 2RCS-SG21B (S/G B) and 2RCS-SG21C.(S/G C) was completed.-
The inspection results identified no indications of tube wall degradation of forty (40) percent or greater.
Two (2) tubes were plugged (leak limiting plugs in the cold leg) as a result of an analysis conducted to determine which tubes could be susceptible to vibration induced fatigue.
The tubes were located in Row 9, Column l-84.in each steam generator'(S/G A and C).
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9010310098 901022 FDR ADOCK 0300, 2
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' October 22, 1990 ND3MNO:3052 Page 2 Additionally, plug retainers were installed in nine Westinghouse ribbed plugs on the outlet side (plug retainers had been installed on the inlet plugs during the first refueling).
Three inlet side Babcock & Wilcox rolled plugs were replaced with plugs of Inconel 690.
Very truly yours.
T. P. Iconan General Manager Nuclear Operations JGT/sl Attachment l
Octob2r 22, 1990
'ND3MN0:3052 Page 3 cc: Mr. T. T. Martin, Regional Administrator United States Nuclear Regulatory Commission Region 1 475 Allendale Road King of Prussia,'PA 19406 C. A. Roteck, Ohio Edison 76 S.
Main Street Akron, OH 44308 Mr. A. DeAgazio, BVPS Licensing Project Manager United States Nuclear Regulatory Commission Washington, DC 20555 J. Beall, Nuclear Regulatory Commission BVPS Senior Resident Inspector Larry Beck Cleveland Electric 6200 Oak Tree Blvd.
Independence, Ohio 44101 INPO Records Center Suite 1500 1100 Circle 75 Parkway Atlanta, GA 30339 G.
E. Muckle Factory Mutual Engineering 680 Anderson Drive #BLD10 Pittsburgh, PA 15220-2773 Mr. J. N. Steinmetz, Operating Plant Projects Manager Mid Atlantic Area Westinghouse Electric Corporation Energy Systems Service Division Box 355 Pittsburgh,-PA 15230 American Nuclear Insurers c/o Dottie Sherman, ANI Library The Exchange Suite 245 270 Farmington Avenue Farmington, CT 06032 Mr. Richard Janati~
Department of Environmental Resources P..O.
Box 2063 16th Floor, Fulton Building Harrisburg, PA 17120 l
Director, Safety Evaluation & Control l
Virginia Electric & Power Co.
i P..O.
Box 26666 One James River Plaza Richmond, VA 23261
Oc'tob3r 22, 1990 e
- ND3MNO:3052 Page 4 cc: W.
Hartley Management Analysis Company 112671 High Bluff Drive San Diego, CA 92130-2025 J. M. Riddle NUS Operating Service Corporation Park West II Cliff Mine Road Pittsburgh, PA 15275 l
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