ML20065S404

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Forwards Evaluation of Qualification of Okonite T95/35 Tape Splices for Use in Instrumentation Circuits,To Aid in NRC Evaluation of 900912 Submittal
ML20065S404
Person / Time
Site: Cooper Entergy icon.png
Issue date: 12/17/1990
From: Trevors G
NEBRASKA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NLS900575, NUDOCS 9012210042
Download: ML20065S404 (2)


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-n x wme NLS9000575 December 17, 1990 U.S. Nuclear Regulatory Commission Attention:

Document Control Desh Washington, DC 20555 Centlemen:

Subject:

Evaluatien of the Qualification of Okonite T95/35 Tape Splicos for Use in Instrumentation Circuits Cooper Nuclear Station NRC Docket No. 50 298/DPR 46

Reference:

Letter f rom G.

A.

Trevors to NRC dated September 12, 1990, same subj ec t In accordance with recent discussions with the NRC staf f, attached is an accident profile for use in evaluating the Nebraska public Power District's (District's) recent submittal (Referenc e).

As discussed, the attached represents the worst case accident profile for areas with Okonite tape splices used in instrumentation applications. As discussed further, the conditions at the end of this profile (at 500 seconds) are assumed to continue for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, after which the environment is assumed to return to normal ambient conditions.

Please call if there are any questions.

Sincerely, Senior Staff Advisor Nuclear Power Croup

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NRC Region IV Arlington, TX NRC Resident Inspector Cooper Nuclear Station fI) k)

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