ML20247D481

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Responds to Generic Ltr 89-08, Erosion/Corrosion - Induced Pipe Wall Thinning. Long-term Erosion/Corrosion Monitoring Program Has Been Put in Place at Plant to Maintain Structural Integrity of Carbon Steel Piping Sys
ML20247D481
Person / Time
Site: Cooper Entergy icon.png
Issue date: 07/13/1989
From: Kuncl L
NEBRASKA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-89-08, GL-89-8, NUDOCS 8907250211
Download: ML20247D481 (2)


Text

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Nebraska Public Power District o a .i I CNS$898239 1 July 13 1989: I U. S. Nuclear Regulatory Commission Attention: -Document' Control Desk i Washington,-DC 20555 j

Subject:

Eesponse to NRC Generic Letter.89-08. ) l

References:

(a) NRC Generic Letter 89-08,. Erosion / Corrosion - Induced-Pipe Wall Thinning, May 2, 1989. l (b) NRC NUREG - 1344, Erosion / Corrosion - Induced:71pe WallL j L Thinning in U.S. Nucicar Power Plants. ,i q j Gentlemen: ) L Pursuant to Reference (a), a long' term erosion / corrosion' monitoring program 1 l has been put in place at Cooper Nuclear Station to-maintain the structural integrity of carbon steel piping systems which 4xperience high' energy single and two phrase flow conditions. The program uses' procedures and administrative controls which are equivalent to those described in the NUMARC program summarized in Reference (b). Susceptible locations in the Main Steam, Auxiliary Steam, Extraction Steau, Main Condensate, Feedwater, Condensate ~ Drain and Residual Heat Removal System piping.are included in the program. 1 If you have any questions regarding this submittal, please contact my office. ,.c L. G. Kuncl Nuclear Power Group Manager LGK: MAD:nd cc: Regional Administrr4 tor i USNRC-Region IV Resident Office, Cooper Nuclear Station 8907230211 890713 00f [$$1' ? m- ~

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  • STATE OF NEBRASKA) l

) 1 PLATTE COUNTY ) I L. G. Kuncl, being first duly sworn, deposes and says that he is an authorized. representative of the Nebraska Public Power District, a public corporation and

l political subdivision of the State of Nebraska; that he is duly authorized to submit this information on behalf of Nebraska ~Public'Powcr District;.and that the statements contained herein are true to the best of his knowledge and 4

belief. 1 L.(G. Kuncl ^ i ed in my presence and sworn to before me this /3h day of Subsbn)6 , 1989. i o bb(47)91 $' iib. NOTARY /PUBL;IC / EMML MAllY-Stak at herata COLLEEN M. KUTA %inest Esit Asg 4, Imp 1 l l - _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ -. _ _}}