ML20055D206
| ML20055D206 | |
| Person / Time | |
|---|---|
| Site: | Vogtle |
| Issue date: | 06/28/1990 |
| From: | Chilk S NRC OFFICE OF THE SECRETARY (SECY) |
| To: | Taylor J NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO) |
| References | |
| REF-10CFR9.7 M900608A, NUDOCS 9007050150 | |
| Download: ML20055D206 (2) | |
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UNITED STATES IN RESPONSE, PLEASE
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,,, ' 4j NUCLEAR REGULATORY COMMISSION REFER TO:
M900608A W ASHIN GTON, D.C. 20555 June 28, 1990
- OFFICE OF THE SECRETARY MEMORANDUM FOR:
James M. Taylor Executive Director for O ations l
1 FROM:
Samuel J.
Chilk, Secreta C=>
SUBJECT:
STAFF REQUIREMENTS - BRI EFJ NG ON IIT REPORT ON VOGTLE EVENT, 10:00 ALMg, FRIDAY, JUNE 8, 1990, COMMISSIONERS' CONFERENCE ROOM, ONE L
WHITE FLINT NORTH, ROCKVILLE, MARYLAND (OPEN TO PUBLIC ATTENDANCE) i The Commission
- was briefed by the NRC staff on the Incident Investigation Team Report on the Vogtle event involving a L
loss of off-site power and subsequent loss of residual heat removal capability.
'The staff should ensure formal tracking and follow-up of issues relating.to this event.
Consult with the Commission on the specific _ follow-up action plans and the schedule for
-completion.
I (EDO)
(SECY Suspense:
8/3/90)
The Commission requested feedback on the following specific items.
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1.
Report the status of ongoing and/or anticipated research into the sequence of events during the loss of residual heat removal and the thermohydraulic processes involved.
(EDO)
(SECY Suspense:
8/31/90) 2.
Does the current NRC effort in the development of risk-based technical specifications include provisions covering-shutdown and refueling modes?
(EDO)
(SECY Suspense:
7/27/90) 3.
How are shutdown risks being addressed in the advanced and evolutionary designs?
(EDO)
(SECY Suspense:
8/31/90)
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- Comm4bsichdr Roberts was not present.
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Report-the total 1 man-hour effort required to conduct the IIT.
OneJunec14, 1990, the EDO provided.a-preliminary L
.-estimate of resources expended for the Vogtle IIT.
When!
all data is available,' provide _a; final report.
( EDO) =
(SECY. Suspense:
-8/31/90)
Commissioner Remick expressed an interest in following staff's-
-activities in addressing the procedural 1and training weaknesses
- that were uncovered.and requested feedback'on=the following specificLitems.
1.
Review NTSB's prearranged procedures for calling upon technical experts and assess if there is-any element ir
.that program which~ may be useful in otr future :activittas.
f (EDO)
(SECY Suspense:
9/28/90) 2.
Review the ACRS' letters of Septen.ber 14, 1988, Pronosed Resolution of Generic Issue 99. "Imoroved Reliability of RHR Canability'in PWRs," and February 16, 1989, Further
=ACRS Comment'on Procosed Resolution of Generic _ Issue 99, "Imoroved Reliability of RHR Canability in PWRs" in which-the ACRS addressed closure of equipment hatches..
. Summarize the conclusions-(related to equipment hatches) from the inspection program conducted to review licensee's-responses to the recommendations outlined in Generic j
Letter 88-17, and address the ACRS comments in their
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letter of February 16, 1989.
(EDO)
(SECY Suspense:
8/31/90) cc:
' Chairman Carr Commissioner Roberts Commissioner Rogers Commissioner ~Curtiss
]
Commissioner Remick OGC' GPA ACRS i
. Advance DCS - P1-24 i
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