ML20235Y715

Forwards Insp Rept 50-298/89-09 on 890213-16.Violations Noted.Enforcement Conference Scheduled for 890323

ML20235Y715
Person / Time
Site:	Cooper
Issue date:	03/03/1989
From:	Callan L NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Trevors G NEBRASKA PUBLIC POWER DISTRICT
Shared Package
ML20235Y718	List: ML20235Y715 ML20235Y727
References
EA-89-056, EA-89-56, NUDOCS 8903140519
Download: ML20235Y715 (2)

See also: IR 05000298/1989009

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In Reply Refer To:

Docket: 50-298/89-09

EA 89-56

hebraska Public Power District

ATTN: George A. Trevors

Division Manager - Nuclear Support j

P.O. Box 499

Columbus, NE 68602-0499

Gentlemen:

This refers to the. inspection conducted by Messrs. W. R. Bennett and G. A. Pick

of this office during the period February 13-16, 1989, of activities authorized

by NRC Operating License DPR-46 for Cooper Nuclear Station, and to the

discussion of our findings with Mr. G. R. Horn and other members of your staff

at the conclusion of'the inspection.

The area examined during the inspection was a followup on the failures of the

Diesel Generator No.1 air system. This system is required to be operable by

the Cooper Nuclear Station Technical Specifications. Within this area, the

inspection consisted of selective examination of procedures and representative

records, interviews with personnel, and observations by the NRC inspectors.

The inspection findings are documented in the enclosed inspection report.

During this inspection, it was found that certain of your activities appeared

to be in violation of NRC requirements. We understand that a particular tubing

nipple of a design that previously had been found to be inadequate for the

application in which it was used was installed in the control air system for

the diesel generator (DG), thus rendering the DG inoperable. As discussed in

the telephone conversation on February 28, 1989, between Messrs. G. L. Constable

and X. C. Walden of your staff, an enforcement conference is scheduled in our

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Region IV office, at 9 a.m. on March 23, 1989, to discuss your understanding of

the apparent violation, the reasons for occurrences, and your corrective

actions. We will also discuss the enforcement policy, if appropriate.

The NRC staff is particularly interested in gaining a better understanding of

the circumstances that resulted in an inadequate part being installed in the

control air system of the DG. In addition, the history of the vibration

induced problems with DG tubing systems and your views on the adequacy of

previous and planned corrective actions should be addressed.

• previously concurred

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'Should you ha've'any questions concerning this inspection, we will be pleased to-

discuss them with you..

Sincerely.

Original Signed Bp

A.' B.. BEACH

L. J.' Callan, Director

Division'of Reactor Projects

Enclosure:

Appendix A - NRC~ Inspection Report

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50-298/89-09

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cc w/ enclosures:

Cooper Nuclear Station

ATTN: Guy R. Horn, Division Manager

of Nt. clear Operations

P.O.: Box 98-

Brownville, Nebraska 68321

Kansas Ra' d iation Control Program Director

Nebraska Radiation Control Program Director

.bectoDMB(IE01)

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bec distrib. by RIV:

• NRC Resident Inspector R. D. Martin, RA

• SectionChief(DRP/C) *A. B. Beach

RPB-DRSS *Lisa Shea, RM/ALF

• NRC RIV File * MIS' System

• RSTS' Operator * Project Engineer, DRP/C

'*P. 0' Conner, NRR Project Manager, (MS: 13-D-18)

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l- *DRP *G. F. Sanborn, E0

• G. Pick

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