ML19318A153

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Potential Deficiency Rept Re Rockbestos Cable Jacket Extrusion Defects.Jacket Defects Do Not Affect Environ Qualification or Ability of Cable to Perform Intended Function.Defect Does Not Constitute Reportable Deficiency
ML19318A153
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 05/08/1980
From: Koester G
KANSAS GAS & ELECTRIC CO.
To:
References
NUDOCS 8006180525
Download: ML19318A153 (1)


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May 8, 1980 l l

Mr. W.C. Seidle, Chief Reactor Construction and Engiraering Support Branch U.S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive Suite 1000 Arlington, Texas 76012 Re: Docket No. 50-482 l Subj: Rockbestos Control Cable Jacket Defects

Dear Mr. Seidle:

On April 3, 1980, Kansas Gas and Electric Company reported to the NRC Region IV office a potential 10CFR50.55(e) item concerning i Rockbestos cable jacket extrusion defects. Since that reporting, tests performed by Rockbestos on the cable, excluding the jacket defect areas, show the cable to meet specification requirements.

In addition, original IEEE-323 qualifications tests on this cable were run using single insulated conductors without jacketing.

Therefore, jacket defects do not affect the envircnmental quali-fication. All cable is currently being inspected prior to instal-lation for jacket imperfections and no cable with rejectable jacket defects will be pulled.

KG&E, in conjunction with Bechtel, our lead A/E, conclude from our investigations that jacket defects of the type identified to date do not affect the ability of the cable to perform its intended function and do not constitute a reportable 10CFR50.55(e) deficiency.

We are continuing to work with Rockbestos to assure that all problems associated with cable fabrication are identified and corrected. If any significant problems are identified, we will notify you.

Sincerely,

'/;Ny

  • GLK:bb 8006180 625 s 201 N. Market - Wehrta. Kansas - Mail Address. P.O. Box 206 I Wehots. Kansas 67201 - Telephone Area Code (316) 2616451