ML20005C009
| ML20005C009 | |
| Person / Time | |
|---|---|
| Site: | Clinch River |
| Issue date: | 11/09/1981 |
| From: | Stark R Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8111170223 | |
| Download: ML20005C009 (5) | |
Text
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November 9, 1981 f
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NOV12 798b-Docket No.: 50-537 i
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APPLICANT: Department of Energy
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Clinch River Breeder Reactor
SUBJECT:
SUPNARY OF NOVaEER 2 AND 3 CRBR REVIEW MEETINGS On the morning of November 2 the applicant described the CRBR Electric Power System. The presentation focused on the one line diagrams; the status of the design; recent design changes; a description of on-site and off-site power; a description of AC &nd DC power systems; and, a discussion of Class 1E and non-Class 1E electrical systems. The applicant estimated that eighty percent of the electrical design efforts had been completed.
In the afternoon session, the applicant described the CRBR shutdown heat remaval systems. CRBR shutdown heat removal paths include: (1) the normal decay heat removal paths through the steam generators to the main condenser and cooling tower; (2) the use of the auxiliary feedwater systems and either safety relief valves or protected air cooled condensers; and (3) the direct heat removal service path utilizing a NaK loop to air blast heat exchangers. The applicant discussed the perfonnance of the shutdown heat removal systems assuming several accident scenarios. The applicant then described the natural circulation verification program using FFTF experience and stated that a preliminary report would be uallable shortly and the final report would be published in about ten months.
On November 3 the applicant described the purpose and approach for the 1977 CRBR risk analysis. The methodology and probabilistic assessment techniques i
were discussed. The applicant discussed additional risk studies which have been completed since 1977. The recent studies incorporate current reliability l
data sources and refinements to the 1977 methodology. The applicant intends to update the 1977 risk assessment next year. The applicant stated that the results of the 1977 study will not change but the revised risk assessment will reflect the design changes since 1977 and current reliability data.
The applicant completed the meeting by discussing their key systems review effort. This design assurance technique was established to provide an interdisciplinary and interorganization review of the CRBR design.
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2-November 9, 1981 Listings of the attendees are attachments to this sur. mary.
3riginal Signed by:
Richntd2. Star:c Richard H. Stark, Project Manager CRBR Program Office Office of Nuclear Reactor Regulation
Enclosure:
As stated cc: Service List
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Distribution, bec: Applicant Service List Docket File NRC PDR L7 cal PDR CRBRPO File.
NSIC H.' Denton D. Eisenhut-R. Vollmer R. Mattson S. Hanauer T. Murley J. P. Knight W. Johnston
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D. Muller P. Check W. Kreger L. Rubenstein F. Schroeder M. Ernst ACRS (16)
OI&E (3)
S..Treby (DELD)
J. LeDoux, I&E V. Moore B. Grimes C. Thomas P. Leech R. Stark W. H. Foster R. Woodruff B. Morris I&E Region II ED0 L. S. Tong Licensing Assistant - P. Shuttleworth i
NRC Participants J. A. Olshinski, IE: Reg. II R. E. Ireland, NRC-Idaho I
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d List of Attendees l
Richard Stark NRC Cecil Thomas-NRC Bill Morris NRC l
Ken Perkins BNL James Guppy BNL A. Agrawal BNL P. Dickson Westinghouse R. Hottell Westinghouse W. Carroll DOE /RRT s
H. Piper PMC/CRBRP E. Purvis DOE C. Murphy Reg. II, I&E B. Satyan Burns & Roe, Inc.
A. Burkhart Burns & Roe, Inc.
R. Rebbapragada Burns & Rtse, Inc.
J. Longenecker DOE A. Lee NRC J. Knox NRC M. Srinivasan NRC P. Wood NRC G. Clare Westinghouse S. Sands NRC
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R. Cerkone BNL D. Florek DOE /CRBRP W. Severson Westinghouse-ARD J. Elerath GE-ARSD D. Goeser Westinghouse C. Allen NRC R. Singer ANL/FRSTMC R. Bari BNL P. Bradbury Westinghouse A. Buslik BNL I. Papazoglou BNL J. Scott LANL R. Wright NRC D. Hicks PMC/CRBRP
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6 cc: Marshall Miller, Esq., Chaiman Chase Stephens, Chief Atomic Safety & Licensing Board Docketing and Service Section
' U.'S. Nuclear Regulatory Comission Office of the Secretary Washington, D.C.
20555 U. S. Nuclear Regulatory Commission Mr. Gustav A. Linenberger Atomic Safety & Licensing Board Dr. John H. Buck U. S. Nuclear Regulatory Comission Atomic Safety and Licensing Washington, D.'C.
20555 Appeal Board U. S. Nuclear Regulatory Comission Dr. Cadet H. Hand, Jr., Director Washington, D.C.
20555 Bodega Marine Laboratory University of California Robert G. Staker P. O. Box 247 Acting Deputy Assistant Secretary Bodega Bay, California.94923 for Nuclear Reactor' Programs Department of Energy Stuart Treby, Washington, D.C.
20545 Daniel Swanson Office of the Executive Barbara A. Finamore Legal Director S. Jacob Scherr U. S. Nuclear Regulatory Comission Ellyn R. Weiss Washington, D.C.
20555 Dr. Thomas B. Cochran Natural Resources Defense Council, Inc.
William B. Hubbard, Esq.
1725 I Street, N.W.
Assistant Attorney General Suite 600 State of Ter.nessee Washington, D.C.
20006 Office of the Attorney General 422 Supreme Court Building L. Ribb Nashville, Tennessee 37219 LNR Associates Nuclear Power Safety Consultants Luther M. Reed, Esq.
8605 Grimsby' Court Attorney for the City Potomac, Md.
20854 of Oak Ridge 253 Main Street, East Oak Ridge, Tennessee 37830 George L. Edgar, Esq.
1800 M Street, N.W.
Washington, D.C.
20036 Alan Rosenthal, Esq., Chaiman Atomic Safety and Licensing Appeal Board U. S. Nuclear-Regulatory Comission Washington, D.C.
20555 Herbert S. Sanger, Jr., Esq.
General Counsel Tennessee Valley Authority Knoxville, Tennessee 37902
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