ML19241C057
| ML19241C057 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/04/1979 |
| From: | Case E Office of Nuclear Reactor Regulation |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7907260493 | |
| Download: ML19241C057 (2) | |
Text
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A /crf w e l E T
w hN Jcb F Status Recort of Previous, Current and Planned Future Staff Actions Concernino the Generic Ascects of the TMI Accident.
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1.
Development and initial evaluation by the staff of a preliminary chronology of principal events that occurred during the initial portion of the TMI accident.
2.
Issuance of a Bulletin by the staff on Sunday, April 1, to all operating plants having a S&W designed reactor directing these licensees to review and modify as necessary operating procedures related to the TMI accident.
3.
Initiation of a staff study and evaluation of the response of S&W designed reactors to feedwater transients.
4.
Planned issuance of a follow-up Bulletin within the next day or so that will provide licensees of B&W designed reactors with the preliminary chronology of principal events during the TMI accident, and with specific instructions concerning the maintenance and operation of the auxiliary feedwatar system during plant coeration; with instructions regarding use of pressurizer level instrumentation, S49220 7907260413 Il
-g-ECCS and RCP's during reactor transients; and with instructions regarding containment isolation during ECCS operation.
5.
Continuation of the development and investigation of the accident sequences and plant and operator response during the TMI accident, and continuation of the staff study of the response of B&W designed reactors to feecwater transients.
6.
Continuation of whatever further staff actions by bulletin or other communications with licensees that are deemed to be needed basec on these ongoing investigations and studies.
It is the staff conclusion, based on the collective actions that have been taken and are currently underway, that operating plants having B&W designed reactor can continue in operation without undue risk to the public health and safety.
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