ML19308C100

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Forwards Draft Rept, Analysis of First 18 Months of Licensed Operation of B&W Plants
ML19308C100
Person / Time
Site: Davis Besse, Oconee, Crystal River, Rancho Seco, Crane  
Issue date: 09/27/1979
From: Stello V
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To: Rogovin M
NRC - NRC THREE MILE ISLAND TASK FORCE
Shared Package
ML19308C101 List:
References
TASK-TF, TASK-TMR NUDOCS 8001210400
Download: ML19308C100 (2)


Text

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?!RC TMI Investigative Grcta FPJ" Victo-Stello, Jr., Directo:

C" ice ci Inspection ana Enforcement SUEJECT:

DRAFT TEkNEt.RON REPORT - M mLc515 0F THE FIRST le '.ONTH$

OF LICENSED OPERATION OF CABCCO WILCOX FLANf5 Telnekron Research, Inc. was requested by the IE Etaff to Derform a study of crertting nuclear power plants with B&W nuclear steam supply systems using to in techniciue for analjzing causally linked en :ts.

Teknekron performed a tu onase study using this technique which has been previously reported in NLsEG/CE 0110 (Phsse I) anc NUREG'CE 0979 (Phase '~;.

Tne results of Phase I were usea as ono of the three trial methods for ticensee Regulatory Performance l

Evaluation (LRPE) attexted b:. the IE staff in II ' =nc 1978.

The most recent Teknekrcn study, the results of 4,ich are summarized in the enclosed report, is a part of a continuing effort by the IE staff to develop an effective program for LRPE.

Several approaches to LRPE were attempted previously and the results were made available to the public in November 1978.

At that time it was reported that each of the three approaches attempted (statistical treatment of noncompliance history, ratings by regional inspectors, and analysis of causally linked events) had strencths and weaknesses, but no single method was favored by the IE technical staff.

Following the Three Mile Island accident, Teknekron was requested to perform a study of operating reactors with B&W nuclear steam supply systems to cetermine if any further safety insights could be gained by the analysis of operating experience at these facilities as reported through Licensee Event Reports (LER).

The importance of evaluating operating experience is emphasized as a lesson learned from the Three Mile Island accident.

CONTACT:

H. D. Thornburg, IE 49-28484 h

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