ML20128C334

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Advises That Request for Technical Assistance to Review 760126 License Amend Request Re Weekly Exercising of CRD Transmitted to Operational Technology
ML20128C334
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 02/10/1976
From: Snaider R
Office of Nuclear Reactor Regulation
To: Goller K
Office of Nuclear Reactor Regulation
References
NUDOCS 9212040347
Download: ML20128C334 (1)


Text

c. FEB 10 B76

=s, - m .

Karl R. Coller, Assistant 1)irector for Operating Reactors, DOR THRU: Dennis L. Zienann, Chief, Operating Rtinctors Branch #2, DOR Identification of Generic Issue By License Amenhent Request dated January 26, 1976, Northern States Power Cournny (NSP) has identified,.for their Monticello hielcar Generating Plant, an issue which will apply to all Boiling Water Reactors.

According to N9P, the weet ly exercisin<t of control rod drives results in detrimental effects (fuel danage anci increased offgas releases) which conid outweich the advantages (identification of inoperable rods). The licensee has therefore requested that a nontitly exercise period be instituted to replace the weekly requirer.ent. NSP has addressed the CRD collet housing cracking problem in its submittal and believes that inspection and determinntion of cracking prior to crack propar.ation provides the real key to this facet of the problem.

A E? quest for Technical Assistance on this issue has been transmitted to Operational Technology. _

Original signed i DISTRIBUTION Docket g g /<

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