ML20245F108
| ML20245F108 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 04/26/1989 |
| From: | Noonan T DUQUESNE LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| ND3MNO:1869, NUDOCS 8905020260 | |
| Download: ML20245F108 (3) | |
Text
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f' MR
'A@
Telephone (412) 393-6000 tJuclear Group P.O Box 4
$happsngport PA 15077-0004 April 26, 1989 ND3MNO:1869 l
1 Beaver Valley Power Station, Unit No. 2 Docket No. 50-412, License No. NPF-73 Special Report United States Nuclear Regulatory Commission Document Control Desk Washington. DC 20555 Gentleman:
Ape., dix A,
Beaver Valley Technical In accordance with c
Specification 4.4.5.5.a,
" Steam Generators," the following Special Report is submitted.
This report is required to document the results of the Inservice Inspection of the steam generator tubes, performed during the First Refueling Outage.
On April 13, 1989, the inservice inspection of the tubing in steam generators 2RCS-SG-21A (S/G A) and 2RCS-SG-21C (S/G C) was completed.
The number and extent of tubes inspected is listed below:
S/G A S/G C l
Bobbin coil, full length 627 646' Bobbin coil, tube end to the top of 134 189 the 8th cold leg support Rotating pancake coil, Row 1 & 2 U-bends 187 188 Rotating pancake coil, hot leg tubesheet 150 N/A 8x1, hot leg tubesheet region-149 N/A The inspection results identified only one location (31%
wall-thickness penetration).
This indication was located in the free span between the 7th and 8th hot leg support plates of S/G A, l
tube Row 40, Column 27.
8905020260 890426 0
PDR ADOCK 05000412 li 0 0
PDC i
April 26, 1989 ND3MNO:1869 Page 2 No steam generator tubes had to be. plugged as a result of this first refueling outage steam generator tube inspection.
- However, I
tubes at Row 11, Column 4 and Row 9, Column 33 in S/G C were each preventively plugged with a solid plug in the hot leg tube end and a
leak limiting plug in the= cold leg tube end in accordance with the ections stated to address NRC Inspection and Enforcement Bulletin 88-02,
" Rapidly Propagating Fatigue Cracks in Steam Generator Tubes".
L l
1 Very truly yours, l
[T.
l P.
oonan l
General' Manager Nuclear Operations JT/cj Attachment I
i 2
._a m____.__._.
_.___________m_
\\
hpril 26, 1989 ND3MNO:1869 j
Page 3 j
cc: Mr. William T.
Russell
)
Regional Administrator i
I United States Nuclear Regulatory Commission Region 1 King of Prussia, PA 19406 C. A. Roteck, Ohio Edison Mr. Petar Tam, BVPS Licensing Project Manager I
United States Nuclear Regulatory Commission Washington, DC 20555 J.
Beall, Nuclear Regulatory Commission, BVPS Senior Resident Inspector Mr. Alex Timme, CAPCO Nuclear Projects Coordinator Toledo Edison 1
INPO Records Center Suite 1500 1100 Circle 75 Parkway Atlanta, GA 30339 G.
E. Muckle, Factory Mutual Engineering, Pittsburgh Mr. J. N.
Steinmetz, Operating Plant Projects Manager Mid Atlantic Area Westinghouse Electric Corporation i
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 Virginja Electric & Power Co.
P.
O.
Box 26666 One James River Plaza Richmond, VA 23261
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