ML20040E231
| ML20040E231 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 01/21/1982 |
| From: | Chaney D Office of Nuclear Reactor Regulation |
| To: | Varga S Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8202040040 | |
| Download: ML20040E231 (5) | |
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JAN 211982
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'(477 NEMORAfiDUtl FOR:
Steven A. Varga, Chief, Operating Reactors Branch
, DL FROM:
Dennis A. Chaney, Project Manager, Operating Reactors Branch flo.1. DL
SUBJECT:
FORTHC0llIl4G HEETING WITH COMMONWEALTil EDIS0N COMPANY REGARDING THE ZION PROBABILISTIC SAFETY STUDY TIME & DATE:
8:30 AM January 28 & 29, 1982 LOCATION:
Room P-118, 7920 florfolk Avenue, Bethesda, flaryland PC 00SE:
To resolve technical questions that have been developed during the review of the Zion Probabilistic Safety Study.
PARTICIPANTS:
NRC Requested Participants W. Butler D. Chaney D. Wigginton B. Sheron C. Tinkler J. Hannon J. Heyer J. Carter J. Thoma
- 3. Newberry E. Fenstermacher A. Thadani J. Long T. Speis N. Lauben Comonwealth Edison C. Reed, at al briginai sis;ned By:
Dennis A. Chaney, Project Manager Operating Reactors Branch No. 1
Enclosure:
Agenda Division of Licensing cc: See next page 8202040040 820121 PDR ADOCK 05000295 P
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Mr. Louis 0. De1 George Commonwealth Edison Company cc: Robert J. Vollen, Esquire 109 North Dearborn Street Chicago, Illinois 60602 Dr. Cecil Lue-Hing Director of Research and Development Metropolitan Sanitary District of Greater Chicago 100 East Erie Street Chicago, Illinois 60611 Zion-Benton Public Library District 2600 Emmaus Avenue Zion, Illinois 60099 Mr. Phillip P. Steptoe Isham, Lincoln and Beale Counselors at Law One First National Plaza 42nd Floor Chicago, Illinois 60603 Susan N. Sekuler, Esquire Assistant Attorney General Environmental Control Division 188 West Randolph Street, Suite 2315 Chicago, Illinois 60601 U. S. Nuclear Regulatory Commission Resident Inspectors Office 105 Shiloh Blvd.
Zion, Illinois 60099 Mr Louis 0. De1 George Director of Nuclear Licensing Commonwealth Edison Company Post Office Box 767 Chicago, Illinois 60690
PROPOSED AGENDA Meeting with Commonwealth Edison on the Zion Probabilistic Safety Study: Sections 2,3,4,5,6,9.
Thursday, January 28, 1982 P-118 Bethesda, Maryland I
8:30 Opening Remarks... NRC Staff II 8:45 Overview of the relationship between the containment event trees (Section 2), phenomenology (Section 3) and transient analysis (Section 4)'for the hydrogen-burn containment failure mode.
(include description of propagation of uncertainties.)
... Commonwealth Edison III 9:30 Plant description: Details of physical plant.
... Commonweal th Edison 10:30-10:45 BREAK IV 10:45 Hydrogen Production:
In Vessel a.
Accident Progression Description b.
Phenomenology of Zr/H O interaction...
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.. Commonweal th Edison 12:00 LUNCH V
1 :00 pm Hydrogen Production: Ex Vessel a.
Accident Progress description b.
Phenomenology of Fe/H 0 interaction (role of concrete and quenchin )...
... Commonwealth Edison VI 2:00 Hydrogen release (to containment), migration, buring and ESF and containment 1oading a.
Sequence of events b.
Phenomenology:
Flame temperature criteria; deinerting c.
Load analysis: Pressure, temperature, local pressure / temperature effects...
... Commonweal th Edison 4:00-4:15 BREAK VII-4:15-5:00 Hydrogen Wrap up
... Staff and Commonwealth Edison
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Friday,'danuary 29, 1982 P-118, Bethesda, Maryland s
s Role of corium, water and concrete interactions in VIII -8:30 am accident progressions; steam explosions (ex-vessel),
qu'enching, iebris-bed coolability, core-concrete interactions.
... Commonwesith Edison 10:00-10:15 BREAK IX 10:15 Details of Vessel Failure analysis
... Commonwealth Edison Leakage of fission products prior to structural X
11 :15 failure: Why not consider a problem.
... Commonwealth Edison 12:00 LUNCH Misc. Topics and general discussion XI 2:00
... Staf f and Commonwealth Edison XII 3:00
. Summaries and Adjournment
... Staff and Commonwealth Edison N
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MEETING NOTICE OPERATING REACTORS BRANCH NO.1 DIVISION OF LICENSING DISTRIBUTION Docket File NRC PDR Local PDR ORB No.1 Rdg File B. Grimes (Emergency Preparedness)
S. Varga Project Manager OELD I&E (3)
Receptionist NRC Participants NSIC
. TERA ACRS (TO)
M. Jambor ORAB g.
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