ML20134M631

Summary of 970130 Meeting W/Licensee in Rockville,Md to Discuss Responses to Staff Rai, .RAI Raised Questions Re Steam Flow Phenomena Planned to Be Implemented in Proposed ABB-CE Small Break LOCA Evaluation Model

ML20134M631
Person / Time
Issue date:	02/13/1997
From:	Wen P NRC (Affiliation Not Assigned)
To:	Matthews D NRC (Affiliation Not Assigned)
References
NUDOCS 9702200327
Download: ML20134M631 (5)

Text

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UNITED STATES y

j NUCLEAR REGULATORY COMMISSION i

t WASHINGTCN, D.C. 20555-0001 February 13, 1997 MEMORANDUM T0:

David B. Matthews, Chief Generic Issues and Environmental Projects Branch Division of Reactor Program Management Office of Nuclear Reactor Regulation FROM:

Generic Issues and Environmental [ g C. M Peter C. Wen, Project Manager Projects Branch i

Division of Reactor Program Management Office of Nuclear Reactor Regulation

SUMMARY

OF JANUARY 30, 1997, MEETING WITH ABB COMBUSTION ENGINEERING REGARDING REVIEW 0F CENPD-137, SUPPLEMENT 2-P, SMALL BREAK LOSS-0F-COOLANT ACCIDENT EVALUATION MODEL On January 30, 1997, representatives of ABB Combustion Engineering (ABB-CE) met with representatives of the Nuclear Regulatory Commission (NRC) at the ABB-CE's offices in Rockville, Maryland. Attachment 1 provides a list of j

meeting attendees.

j The purpose of the meeting was to discuss ABB-CE's responses to the staff's request for additional information (RAI) dated December 18, 1996. The RAI raised questions regarding the steam flow phenomena planned to be implemented in the proposed ABB-CE small break LOCA evaluation model (CENPD-137, Supplement 2-P.)

ABB-CE, the staff and its contractor discussed their progress toward resolution of remaining open issues. The issue of loop seal clearing was tentatively resolved, pending submittal of documentation.

Regarding the issue related to steam flow phenomena, ABB-CE presented results of analyses using the TRAC code.

However, because of the complexity of the issue, further study 1

is needed, and resolution is ongoing.

Attachment:

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February 13, 1997 MEMORANDUM TO:. David B. Matthews, Chief

Generic Issues and Environmental Projects Branch..

Division of Reactor Program Management Office.of, Nuclear Reactor Regulation 1

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l FROM:

-Peter C. Wen, Pro' ject. Manager Original Signed By:

l Generic Issues and= Environmental s

Projects" Branch l

Division of' Reactor' Program Management

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SUBJECT:

SUPMARY OF ~ JANUARY 30,- 1997, MEETING WITH ABB COMBUSTION q

ENGINEERING REGARDING' REVIEW OF CENPD-137. SUPPLEMENT 2-P,

.Af SMALL:BREAKTOSS-0F-COOLANT. ACCIDENT EVALUATION MODEL s

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On January 30,-1997,; representatives of ABB Combustion Engineering (ABB-CE) met with, representatives of the Nuclear Regulatory Commission (NRC) at the ABB-CE's offices in>Rockville, Maryland. Attachment 1 provides a list of meeting attendees.'

ir-3 The purpose of the_ meeting wa.s to discuss ABB-CE's responses to the staff's request for additional;information (RAI) dated December 18, 1996.

The RAI raised questions regarding-the steam flow pbnomena planned to be implemented in. the proposed ABB-CE'small break LOCA evaluation model (CENPD-137, Supplement 2-P.)

ABB-CE, the staff and its contractor discussed their progress toward resolution of remaining open issues. The issue of loop seal clearing was tentatively resolved, pending submittal of documentation.

Regarding the issue related to steam flow phenomena, ABB-CE presented results of analyses using the TRAC code..However, because of the complexity of the issue, further study is needed, and resolution is ongoing.

j Attachments: As stated

.1 Document Name:

G:\\PXW\\MSUM CE.130 1

-To receive a copy of this dscument, indicate n the box:

"C"j Copy without l

attachment / enclosure "E" - Copy with attac nt/enclosurpred"N" = No copy 0FFICE PM:PGEB l SRXB:I)SSA1 SC:PGEB' hjhl BC:PG il /f/

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Distribution: MTG

SUMMARY

W/ABB-CE DATED February 13.1997 Hard Cooy Central Files PUBLIC PGEB R/F ACRS OGC SMagruder PWen E-Mail FMiraglia AThadani RZimmerman TMartin 85 heron GHolahan DMatthews WDean, EDO JLyons TCollins EWeiss MChatterton F0rr i

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e NRC/A88-CE NEETING ON SBLOCA EN REVISION I

LIST OF ATTENDEES January 30, 1997 M8ME ORGANIZATION Ernie Jageler ABB-CE Ed Lee ABB-CE Frank Orr NRC/NRR Peter Wen NRC/NRR Dan Prelewicz Scientech Bill Arcieri Scientech Len Ward Scientech i

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Mr. Charles B. Brinkman, Director Nuclear Systems Licensing AB8-Combustion Engineering, Inc.

Post Office Box 500 1000 Prospect Hill Road Windsor, Connecticut 06095-0500 Mr. Ian C. Rickard, Director Operations Licensing AB8-Combustion Engineering Nuclear Operations Post Office Box 500 1000 Prospect Hill Road Windsor, Connecticut 06095-0500 Mr. Charles B. Brinkman, Manager Washington Nuclear Operations ABB-Combustion Engineering, Inc.

l 12300 Twinbrook Parkway, Suite 330 Rockville, Maryland 20852

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