ML19206B347
| ML19206B347 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/04/1979 |
| From: | Kenneke A NRC OFFICE OF POLICY EVALUATIONS (OPE) |
| To: | Ahearne J NRC COMMISSION (OCM) |
| References | |
| NUDOCS 7905090234 | |
| Download: ML19206B347 (2) | |
Text
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UNITED STATES
/v p '4 NUCLEAR REGULATORY COMMISSION
! s( D 1 3 WASHINGTON, D. C. 20555 4
April 4, 1979 g
MEMORAfiDUM FOR: Commissioner Ahearne FROM:
k Kenneke
SUBJECT:
If1VESTIGATIONS OF TMI ACCIDEflT At your request, Bernie Snyder has checked on the scope, procedures, and current status of the NRR and IE investigations of the TMI accident.
NRR Investigation NRR has organized a task force to look into the response of B&W reactors to transients in the feed water system. This is primarily directed to the generic question for all of the B&W reactors currently licensed to operate.
For your convenience these reactors are listed below along with the archi+.ect engineering firm, net power, and date of first commercial operation:
A/E Net MWe Startuo TMI 1 Gilbert 792 9/74 TMI 2 Burns and Roe 880 12/78 Rancho Seco Bechtel 906 9/77 Davis 0 Besse 1 Duke Power /Bechtel 871 7/73 Oconee 1 Duke Power /Bechtel 871 9/74 Oconee 2 Duke Power /Bechtel 871 12/74 Oconee 3 Bechtel 913 4/75 ANO 1 Bechtel 836 12/74 Basically this task force is reviewing the B&W design and transient analyses.
Some conversations are being held with B&W engineering staff, and these are exchanges are presumably recorded only by oersonal notes.
A report w ll be prepared by NRR.
i IE Investication A limited investigatioi' of the TMI accident is already underway ty IE.
A team of about 6 has been formed of both Headquarters and Regional IE people, with Region II providing the leader.
Some interviews have already been conducted with licensee operating personnel.
These CONTACT:
Bernie Snyder (OPE) 634-3276 7 li, 36_3.
c 79050D02r[
interviews were taped and transcripts have been prepared. According to IE, the interviews have been a free exchange, with no inhibitions on the interviewee because of the taping.
The IE team is currently in Bethesda, but is expected to go to the site very shortly.
This mode of operation -- prompt IE team formation, and taped interviews is normally done by IE for any investigation of a serious problem.
The IE effort is not yet a full-scale investigation, but rather is limited to obtainin;' information which might otherwise be forgotten due to passage of time.
cc: Chairman Hendrie Commissioner Gilinsky Commissioner Kennedy Commissioner Bradford Leonard Bickwit Sam Chilk f
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