ML19339C303
| ML19339C303 | |
| Person / Time | |
|---|---|
| Issue date: | 09/22/1980 |
| From: | Plesset M Advisory Committee on Reactor Safeguards |
| To: | Ahearne J NRC COMMISSION (OCM) |
| References | |
| ACRS-SL-0254, ACRS-SL-254, NUDOCS 8011180094 | |
| Download: ML19339C303 (3) | |
Text
-
-h)
!asac g
UNITED STATES
./
,o f h)2 M g g 8'
'g NUCLEAR REGULATORY COMMISSION
/
).n
'd 5
s ADVISORY COMMITTEE ON REACTOR SAFEGUARDS WASHINGTON, D. C. 20555 o
%*****f"
?flilon September 22, 986
% KOV 6 m g; 53 y'!cahygg
' " ~ ~
Honorable John F. Ahearne Chairman
~
U. S. Nuclear Regulatory Commission Washington, DC 20555
Subject:
TWO-HUNDRED-FORTY-FIFTH MEETING OF THE ADVISORY COMMITTEE ON REACTOR SAFEGUARDS, SEPTEMBER 4-6, 1980
Dear Dr. Ahearne:
The Advisory Committee on Reactor Safeguards held its 245th meeting in Washington, DC on September 4-6, 1980.
Items considered 6t this meeting are summarized below:
The Committee met with members of the NRC Staff to discuss problems regard-in; the hydraulic scram systems in boiling water reactors.
The Committee plans to consider this matter further ouring its 246th meeting (October 9-11,1980).
The Committee met with members of the NRC Staff and representatives of the Tennessee Valley Authority to discuss design features of the Sequoyah Nuclear Power Plant Units 1 and 2 related to the plant capability to deal with large quantities of hydrogen resulting from postulated accidents with extensive core damage.
In addition to its report on the Sequoyah Nuclear Plant, the Committee also sent you additional ACRS comments on Hydrogen Control and Improvement of Containment Capability.
The Committee met with members of the NRC Staff to discuss the proposed amendment to ECCS evaluation models, NUREG-0630, Cladding Swelling and Rupture Models for LOCA Analysis. The Committee's comments on this docu-ment were sent to the Acting Executive Director for Operations.
The Committee discussed its proposed report to the Commission on Quantita-tive Risk Criteria.
Additional work is scheduled on this matter during the 2/6th ACRS Meeting.
The Committee endorsed a letter to Mr. M. P. Oncavage, an intervenor in the proceeding regarding the Turkey Point Nucleer Power Plant, informing him that the Committee believes that there is no need to reopen the formal ACRS i
review of the steam generator problems at the Turkey Point plant.
The Committee recommended two candidates for consideration by the Commission fcr appointment to fill the current vacancy on the ACRS.
l 8011180 o94
f Honorable John F. Ahearne September 22, 1980 Since the last report of ACRS activities, the following subcommittee meetings have been held:
Fluid Dynamics, in Los Angeles, CA on August 19-20, 1980 Reactor Fuel, in Idaho Falls, ID on August 21, 1980 Class-9 Accidents, in Washington, DC on August 28, 1980 Structural Engineering, in Washington, DC on September 2,1980 Safety Philosophy, Technology, and Criteria, in Washington, DC on September 3, 1980 Reactor Fuel, in Washington, DC on September 3,1980 The following items are tentatively scheduled for consideration during the 246th ACRS Meeting, October 9-11, 1980:
Quantitative Risk Criteria -- ACRS Report to NRC Proposed Plan to Update NRC Regulations and Compare Operating Plants with the Revised Regulatory Criteria (Bingham Amendment)
Proposed NRC Fire Protection Rule -- ACRS Report to NRC BWR Hydraulic Scram System Performance -- ACRS Report to NRC Seismic Design of Auxiliary Feedwater Systems -- Seismic Qualification /
Performance During/Following Seismic Events Factoring of Quantitative Risk Estimates into Seismic Safety Evaluation Meeting with Governor B. Babbitt, Chairman, Nuclear Safety Oversight Committee -- ACRS Role in the Regulatory Process Nuclear Data Link -- Proposed NRC Plans for Development of a Nuclear Data Link System Meeting with NRC Commissioners (tentative)
Resolution of ACRS Comments on Unresolved Safety Issues Proposed Budget for FY 1982 Reactor Safety Research Program Anticipated Transients Without Scram
8 Honorable John F. Ahearne September 22, 1980 NRC Staff use of Probabilistic Assessment in Selected Cases Coordinattor / Integration of Program for Ultimate Disposal of Radioactive Wastes with Programs for Disposal of Other Toxic Substances.
Sincerely yours, Milton S. Plesset Chai nnan
.