ML20236L365
| ML20236L365 | |
| Person / Time | |
|---|---|
| Issue date: | 07/08/1998 |
| From: | Whitney L NRC (Affiliation Not Assigned) |
| To: | Marsh L NRC (Affiliation Not Assigned) |
| References | |
| NUDOCS 9807100328 | |
| Download: ML20236L365 (6) | |
Text
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t UNITED STATES i
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NUCLEAR REGULATORY COMMISSION iE i
WASHINGTON, D.C. 20555-0001 g
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July 8,.1998 MEMORANDUM TO:'
Ledyard B. Marsh, Chief Plant Systems Branch Division of Systems Safety and Analysis Office of Nuclear Reactor Regulation FROM:
. Leon E. Whitney, Sr. Reactor Systems Engineer Plant Systems Branch Division of Systems Safety and Analysis Office of Nuclear Reactor Regulation
SUBJECT:
FORTHCOMING WORKSHOP ON POST-FIRE SAFE SHUTDOWN CIRCUlT ANALYSIS
~ DATE & TIME:
July 23,1998,8:00 a.m. - 5:00 p.m.
LOCATION:
Bethesda Marriott 5151 Pookshill Rd Bethesda, Maryland 20814 PURPOSE:
Discuss with the nuclear industry and the public the status of post- -
fire safe shutdown circuit analysis and the implementation of circuit analysis results at commercial nuclear reactors. A summary of the questions and comments discussed at the.
workshop on post-fire safe shutdown circuit analysis and of staff follow up plans and actions will be r,anerated by the staff and.
distributed to the registered partici ants after the workshop.
PARTICIPANTS:* NRC PUBLIC B. Sheron Nuclear Energy Institute.
G. Holahan Interested Members of Public and Industry i
L. Marsh S. West P. Madden C. Bajwa l
L. Whitney, et al.
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Attachments: 1. Intent to Attend Form 2.- Agenda y'
cc: See next page CONTACT:
Leon E. Whitney p3f (301)415-3081
- Meetings between NRC technical staff and applicants or licensees are open for interested members of the public, petitioners, interveners, or other parties to attend as observers pursuant i
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to " Commission Policy Statement on Staff Meetings Open to the Public" 59 Federal 0+ti-\\2 b
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PDR ORG NRRAp L___
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fledyard B. Marsh 2
Register 48340,9/20/94 Individuals wishing to make a presentation at the workshop should 3'
~ contact Leon Whitney directly (LEWi@NRC. GOV). Individuals who wish to attend the L L workshop are' encouraged to return the enclosed Intent to Attend form to Leon Whitney, U.S.
. Nuclear Regulatory Commission, OWFN 8D1, Washington DC, 20555.
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ATTACHMENT 1 INTENT TO ATTEND FORM POST-FIRE SAFE SHUTDOWN CIRCulT ANALYSIS _WORKSliOE July 23,1998 Bethesda Marriott 5151 Pookshill Rd Bethesda, MD 20814
. It is my intention to attend the workshop.
O I wish to make a presentation at the workshop D
I have the following special needs:
NAME:
AFFILIATION:
ADDRESS:
PHONE NUMBER: ( )
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'Please return this form to Leon Whitney, U.S. NRC,08D1, Washington, D.C.,20555.
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l ATTACHMENT 2 POST-FIRE SAFE SHUIDOWficlRCulT ANALYSIS _ WORKSHOP AGENDA Location: Bethesda Marriott Hotel, Pooks Hill Date: July 23,1998 7:30- 8:00 Registration / Acceptance of Papers / Input from industry and Public/ Handout of Agenda 8:00 - 8:10 Introduction / Presentation of Agenda - Tad Marsh, Chief, Plant Systems Branch, NRR 8:10- 8:20 Discussion of Workshop Purpose - Brian Sheron, Acting Associate Director for Technical Review 8:20- 8:25 Introductory Remarks by a Public Representative l
8:30 - 8:30 Introductory Remarks by an Industry Representative 8:30- 9:00 NRC Presentation of U.S. Commercial Nuclear Reactor Plant Post-fire Safe Shutdown Circuit Analysis History and Safety Significance. NRC Discussion of the Potential Severity of Fire-induced Reactor Plant Transients - NRR/SPLB, BNL 9:00 - 9:15 Summary of Industry Views of the Regulatory History of the Post-fire Safe Shutdown Circuit Analysis issues - NEl 9:15-9:30 NRC Presentation of Post-fire Safe Shutdown ' Circuit Analysis issues as Recently Identified through inspection, Licensing and Event Experience - NRR/SPLB Break i
9:45-11:00 industry and Public Presentations on Selected Technical Topics (five,15 minute talks) 11:00-12:00 Public/ Industry /NRC Panel Discussion on the Technical Issues Addressed in Information Notice 92-18 on "MOV Hot Shorts".
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12:00-1:30 Lunch Break 1:30-2:30 Public/ Industry /NRC Panet Discussion on Circuit Analysis Fau!t Terminology, and the Types of Assumptions Necessary Regarding Multiple Spurious Electrical Faults, Signals l
and/or Actuations in a Single Fire.
2:30- 3:30 Public/ industry /NRC Panet Discussion of the Scope of Necessary Post-fire Safe Shutdown Circuit Analyses and Resultant Plant Modifications - Likelihood and Consequences of Circuit Damage Which Affects Post-fire Safe Shutdown Capability.
Break 3:45-4:45 Question and Answer Session (NRC, public and industry representatives on the dais).
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r 4:45 - 4:50 Public Closing Remarks 4:50 - 4:55 Industry Closing Remarks 4:55 - 5:00 NRC Closing Remarks i
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Meeting Notice E-Mad l ~,,
' S. Collins /F. Miraglia Hard Copy l.
B.. Sheron Central File.
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' G. Holahan PUBLIC S. Newberry SPSB Reading 4
L. Marsh -
OGC l
S. P/est ACRS P.' Madden Receptionist (OWFN and TWFN)
L. Whitney-E. Connell
- P. Qualls M; Salley ll
' C. Bajwa '
L J. Holmes -
3 D. Oudinot
' L Tran,
l A. Singh.,
' R. Jenkins N. Siu -
W. Ruland, RI
' A.- Belisle, Ril R. Gardner, Rlli
..T. Stetka, RIV T. Martin (e-mail to SLM3)
E. Hayden C, Hehl(Reg l}
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~ J. 'Niggins (Reg 1) 1 L. Plis_co (Reg II)
J. Jaudon (Reg II)
G. Grant (Reg 111) i J. Grobe (Reg Ill)
I T. Gwynn (Reg IV) l A. Howell(Reg IV) l B. McCabe (BCM) i
. M. Tschiltz (MDT)
'l T. Hiltz(TGH)
D. Lange(DJL)
' PMNS (Meeting Announcement Coordinator) 4 1
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