ML20035E075
| ML20035E075 | |
| Person / Time | |
|---|---|
| Issue date: | 07/08/1992 |
| From: | Savio R Advisory Committee on Reactor Safeguards |
| To: | Advisory Committee on Reactor Safeguards |
| Shared Package | |
| ML20035E070 | List: |
| References | |
| ACRS-2834, NUDOCS 9304140242 | |
| Download: ML20035E075 (13) | |
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UNITED STATES
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NUCLEAR REGULATORY COMMISSION p
3 ADVISORY COMMITTEE ON REACTOR SAFEGUARDS o
8-WASHINGTON, D. C. 20555
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July 8, 1992 I
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MEMORANDUM FOR:
Planning and Procedures Subcommittee
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k AM FROM:
R. P.
Savio, Assistant Executive Director i
for Nuclear Reactors-and Nuclear Waste
SUBJECT:
FUTURE ACRS ACTIVITIES - 388TH ACRS MEETING I
AUGUST 6-8, 1992 Attached is a proposed list of topics for consideration by the i
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Subcommittee.
A portion of the 387th ACRS meeting has been set aside to discuss this list and the Subcommittee's recommendations. '
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Attachment:
Future Agenda Items dated July 8, 1992
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2834 PDR i
ACRS AGENDA ITEMS I.
388TH ACRS MEETING, (AUGUST 6-8, 1992)
The Committee agreed to schedule the following matters for discussion during the August 6-8, 1992 ACRS meeting, except noted otherwise.
Results of Pilot Simulator Examination Procram (Open)
(JCC/HA) ESTIMATED TIME:
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A Commission paper describing the results of the Pilot Simulator Examination program has been provided to the ACRS.
The Committee has agreed to schedule an informa-tion briefing on this matter.
This matter has been scheduled for discussion during the August 1992 ACRS meeting.
, J.
Information Briefina on the Pilarim Emeroency Response V
Plan Demonstration (Open) (JEW /EGI) ESTIMATED TIME:
1 1/2 hours
'The Committee decided during the January 1992 ACRS meeting to schedule a briefing on the Pilgrim Emergency Response Plan demonstration.
This briefing has been sc-heduled for the August 1992 ACRS meeting.
3.
Meetina with the Director of the Office of Nuclear Reactor Reculation (Open) (DAW /RFF) ESTIMATED TIME:
1 1/2 hours During the June 1992 ACRS meeting, the Committee had suggested that arrangements be made for Dr. Murley to disc'uss matters of mutual interest at the earliest convenient date.
Dr. Murley is able to meet with the Committee during the August 1992 ACRS meeting (August 7, 3:30 to 5:00 p.m.)
The Committee has identified the following topics for discussion:
NRR actions regarding the Fitzpatrick IPE.
The status of actions related to the scheduling and o
conduct of team inspections performed as the result of the Regulatory Impact Survey.
Additional topics for discussion, if any, need to be identified during the July 9-11, 1992 ACRS meeting.
4.
Insichts from Common-Mode Failure Events (Open) (hdL/EGI)
ESTIMATED TIME:
To be determined The AEOD staff has provided a paper on insights obtained from an analysis of selected common mode failure events
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to the Committee and has offered the ACRS an information briefing.
Dr. Lewis is reviewing this paper and will make a recommendation as to ACRS action.
If a decision is made to have a briefing, it can be scheduled during the August 1992 ACRS meeting.
5.
Implementation of the Safety Goal Policy With Respect to Prioritizina Generic Safety Issues (Open)
(DAW /MDH)
ESTIMATED TIME:
1 1/2 hours The May 13, 1992 SRM resulting from the Staff's presenta-tion to the Commissicn on the progress of resolution of generic safety issues states that:
"The staff should maintain its close contact with the ACRS and try to determine if ACRS has any objection to the implementation of the Safety Goal Policy with respect to setting priorities on GSIs.
The staff could move 'orward in this specific area, if ACRS has no objection, without waiting for the final ACRS report on the Safety Goal Policy."
The staff is in the process of developing a mechanism to prioritize generic issues taking into account the Safety Goal Policy and is prepared to brief the Committee regarding this matter during the August 1992 ACRS meeting.
6.
Sucolement to Generic Let.ter 83-28.
"Recuired Actions Based on Generic Aeolications of Salem ATWS Events" and Accompanvino Differino Professional Ooinion (Open)
(CJW/PAB) ESTIMATED IME:
To be determined p ) { V2%
+r Generic Letter (GL) 83-28, issued following the failure of reactor trip breakers (RTBs) to open on demand at the Salem plant, requested that all licensees implement a set of long-term corrective actions.
The staff is planning to issue Supplement 1 to the subject GL that would relax two of the initial proposed actions:
performance of life-testing of the RTBs, and periodic replacement of the RTBs and components in accordance with their demonstrated life.
Mr.
C. Morris (NRR) has filed a Differing Professional Opinion (DPO) objecting to the deletion of the above two actions.
The CRGR discussed the proposed Supplement 1 on May 12, 1992 and approved issuance of this Supp*ement.
Mr.
2 Morris testified at the CRGR meeting. Following the CRGR meeting, Mr. Morris stated that he wishes to discuss his
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3 DPO with the ACKS.
In accordance with Commission direction, the staff will be issuing Supplement i for public comment in the near future.
A meeting of the Control and Electrical Power Systems Subcommittee has been scheduled for August 4,
1992 to discuss this matter.
This item will be scheduled for discussion by the Committee during the August 1992 ACRS meeting.
7.
ACRS Review of Selected ITAACs (Open) (CH/ DAW /MME/PAB)
ESTIMATED TIME:
To be determined The April 1,
1992 SRM resulting from the March 5, 1992 ACRS meeting with the Commissioners requests that the
[)h ACRS review in some detail representative ITAACs submit-ted by the General Electric Company and provide recommen-dations to the Commission by August 21, 1992.
The Committee agreed with the recommendation of the
' Planning and Procedures Subcommittee that the following two ITAACs be reviewed:
Standby Liquid control System (specifically noted by Commissioner Rogers as an example of an ITAAC that is considered satisfactory by the NRC staff).
Residual Heat Removal System.
t It was agreed during the April 1992 ACRS meeting that the Advanced Boiling Water Reactors Subcommittee (Michelson) review the ITAAC on the Standby Liquid Control System and the Decay Heat Removal Systems Subcommittee (Ward) review the ITAAC on the Residual Heat Removal System.
A joint meeting of the ACRS Subcommittees on Advanced BWRs and Decay Heat Removal Systems has been scheduled for August 5,
1992 to discuss this matter.
Current plans are to discuss these ITAACs during the August 1992 ACRS meeting.
8.
Branch Technical Position on EcuiDment Oualification for License Renewal (Open) (DAW /EGI) ESTIMATED TIME:
To be determined
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The staff expects to provide this Branch Technical Position to the ACRS before the July 1992 ACRS meeting.
The EDO has requested Committee review during the August 1992 ACRS meeting.
The need for a Subcommittee meeting to discuss this matter can be decided after receiving the relevant documents.
This matter has been tentatively scheduled for discussion during the August 1992 ACRS meeting.
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Elimination of Recuirements Marcinal to Safety (Open)
(HWL/MDH) ESTIMATED TIME:
To be determined The NRC had initiated in 1984 a program to search out and eliminate regulatory requirements that have marginal importance to safety.
A proposal was published in the Federal Register on February 4, 1992 for public comment.
We have received copies of the public comments that have been sont to the staff during the public comment period.
The NRC staff analysis of the public comments has been i
provided to the ACRS.
The EDO has requested Committee reviev during the August 1992 ACRS meeting.
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The Planning and Procedures Subcommittee needs to recommend a course of action.
Environmental Oualification of Safety-Grade Dicital Computer Protection and Control Systems (Open)
(HWL/SL/HA) ESTIMATED TIME:
To be determined 1
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'It was suggested during the June 16, 1992 meeting of the 4
Subcommittee on Computers in Nuclear Power Plant Opera-tions that the Committee may wish to prepare a letter on
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the status of the NRC sponsored research on environmental qualification of safety grade-digital computer prorection and control systems.
The NRC staff will be able to brief the Committee during the August 1992 ACRS meeting.
The Planning and Procedures Subcommittee needs to recommend a course of action.
Reol'acement of Analoa Instrumentation with Dicital Instrumentation (Open) (HWL/CJW/SL/HA) ESTIMATED TIMEi To be determined
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The NRC staff has prepared a draft generic letter on/the replacement of analog instrumentation currently in i
operating plants with digital instrumentation.
The subject was discussed during the ' December 3-4, 1991 meeting of the Subcommittee on Computers in Nuclear Power Plant Operations and will be discussed again during a scheduled August 20-21, 1992 Subcommittee meeting.
The proposed generic letter will be issued for public comment and will be available before the August 1992 ACRS meeting.
The Planning and Procedures Subcommittee needs to recommend a course of action.
12.
Reactor Pressure Vessel UDoer Head Cracks (Open/ Closed)
(PGS/EGI) ESTIMATED TIME:
To be determined
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5 Dr. Shewmon has asked the NRR staff to brief the Commit-tee regarding the reactor pressure vessel upper head cracks observed in some European nuclear power plants and to discuss the reasons why the staff believes that similar problems will not occur in U.S.
reactors.
The NRC staff could brief the Committee durir:g the August 1992 ACRS meeting.
f II.
POTENTIAL ITEMS FOR THE 389TH, SEPTEMBER 10-12, 1992. ACRS MEETING
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Use of PRA by NRC Staff (HWL/MDH) ESTIMATED TIME:
To be determined The staff will complete Tasks 1 and 2 of the PRA Working 1
Group Program Plan on or about August 1,
1992.
These tasks are as follows:
Task 1 - How is the staff using PRA?
e e
Task 2 - What limitations exist in present staff uses of PRA?
The need for a Subcommittee meeting and the schedule for full Committee discussion should be decided during the July meeting.
Time for Committee discussion of this matter.could be scheduled during the September ACRS meeting.
The, Planning and Procedures Subcommittee needs to recommend a course of action.
I 14.
Yankee Powe Reactor vessel Embrittlement (Open) (PGS/EGI)
ESTIMATED TIME:
To be determined 7
>y The staff is establishing plans to develop and act upon h('@I'~~
lessons learned from the Yankee Nuclear Power Station
]a(YNPS) reactor vessel embrittlement issue.
The staff
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ction plan, including milestones and schedules will be r
completed and sent to the Commission on July 31, 1992.
The staff has agreed to brief the Committee on this matter after Commission comments have been received. NRC staff would be able to brief the Committee during the September 1992 ACRS meeting.
The Planning and Procedures Subcommittee needs to
- t recommend a course of action.
15.
Onsite Analysis of the Human Factors Ascects of Operatinc Events (Open) (JCC/HA) ESTIMATED TIME:
To be determined
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The EDO expects to provide a SECY paper by mid-July 1992, that will describe the status of the staff work on the use of onsite evaluation team to analyze the human factors aspects of selected operating events.
The EDO has offered the ACRS an information briefing during the September 1992 ACRS meeting.
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6 The Planning and Procedures Subcommittee needs to recommend a course of action.
Evaluation of Shutdown and Low Power Operation RM
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Issues (Open) (JCC/PAB) ESTIMATED TIME: To be determined The NRC staff expects to provide its proposed resolution l
and Regulatory Analysis for this issue before the August 1992 neeting.
The EDO has requested Committee review during the September 1992 ACRS meeting.
Mr. Carroll will decide if a Subcommittee meeting is
, required after reviewing the NRC staff's proposal.
C 17.
Format and Content of Desian Certification Aeolications (Open) (CJW/EGI) ESTIMATED TIME:
2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> A proposed Regulatory Guide describing guidance for format and content for design certification applications is expected to be provided to the ACRS before the August 1992 ACRS meeting.
The EDO has requested ACRS review during the September 1992 ACRS meeting.
During the December 1991 ACRS meeting, Mr. Wylie agreed to schedule l
a Subcommittee meeting to discuss this matter after rece'iving the relevant documents.
This matter is tentatively scheduled for discussion during the September
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18.
M 6 (To be i
assigned) ESTIMATED TIME:
To be determined The Planning and Procedures Subcommittee recommended that Joseph Colvin (NUMARC) be invited to an ACRS meeting to discuss his views on the impact of the regulatory process on reactor safety.
Mr. Fraley has arranged for Mr.
Colvin to come to the September 1992 ACRS meeting.
19.
BWR Stability Issues (Open) (IC/PAB) ESTIMATED TIME:
To i
be determined The EDO has offered the Committee an information briefing on the status of the NRC staff's work on the resolution of BWR. stability issues during the September 1992 ACRS
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meeting.
Documents describing the status of this work I
are expected to be provided to the ACRS in August 1992.
The Planning and Procedures subcommittee will recommend a course of action when it has more information as to the progress of the NRC staff's work.
i 20.
Kev Poliev Issues for Preacolication Desions (Open) f (DAW /EGI) ESTIMATED TIME:
To be determined The NRC staff expects to provide the ACRS with a Commis-sion Paper describing policy issues that the NRC staff has identified for the MHTGR, PIUS, PRISM, and CANDU 3 designs by early August 1992.
-The EDO has requetsted Committee review during the September 1992 ACRS meeting.
The Planning and Procedures Subcommittee will recommend i
a course of action when it has more information as to the progress of the NRC staff's work.
21.
Meetina with the NRC Commissioners (Open)
(DAW /RFF)
ESTIMATED TIME:
1 1/2 hours A meeting with the NRC Commissioners has been scheduled for Thursday, September 10, 1992, to discuss matters of
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mutual interest.
Topics which the Committee has an interest in discussing should be identified during the Au st 1992 ACRS m pm 6EAtwR III. POTENTI ITEMS FOR F E ACRS MEETINGS Proo' sed Reculatory Guide on Maintenance (Open) (JCC/HA) 22.
o ESTIMATED TIME:
To be determined The NRC staff expects to provide a revised draft of the proposed regulatory guide on maintenance in July 1992.
This version of the proposed guide, if approved, will be issued for public comment.
The EDO has requested Committee review during the October 1992 ACRS meeting.
Mr. Carroll will recommend a course of action during the July 1992 ACRS meeting.
23.
Reactor Operatinc' Eroerience (Open)
(PGS/JCC/EGI)
ESTIMATED TIME:
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A briefing was scheduled for the June 1992 ACRS meeting i
on the results of' the NRC Augmented Inspection Team's (AIT's) investigation of the November 6, 1991 event that occurred at Millstone, Unit 2 involving failure of a moisture separator reheater drain line elbow, but was
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8 subsequently deferred.
Based on recent telecon with the staff, it is understood that the licensee does not agree with the AIT finding that the root cause of this event was due to erosion / corrosion. Consequently, the licensee has initiated a study to de.termine root cause of this event.
The staff has agreed to provide the licensee's 4{
schedule for completing this work.
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[ Mr. Ward has suggested that Dr. Shewmon discuss this f
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(patter during a meeting of the Materials and Metallurgy
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b[jv/ j f Subcommittee and recommend a course of action to the full 1
p fCommittee.
Dr. Shewmon will recommend a course of action gj/(p/ 6 f after discussing this matter further with the NRC staff.
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Ma 24.
Reculatory Analysis Guidelines (Open) (DAW /MDH) ESTIMATED
[f pv TIME:
To be determined i
x The document (Revision 2 to NUREG/BR-0058, Regulatory Analysis Guidelines for U.S. NRC) describing the staff's proposed approaches to the resolution of major issues associated with regulatory analyses (including safety goal implementation) is expected to be provided as soon as the alternate plan for Safety Goal implementation has been developed by the ACRS.
Mr. Ward plans to schedule a Subcommittee meeting on this matter.
The EDO has requested Committee review of this matter during the October 1992 meeting.
This matter is tentatively scheduled for discussion during the October 1992 ACRS meeting.
25.
Procosed Resolution of Generic Is_pue 23, " Reactor Coolant Pumo Seal Failures" (Open) (DAW /PAB) ESTIMATED TIME:
To be determined The NRC staff briefed the ACRS on the status of the proposed resolution to GI-23 during the June meeting.
RES is recommending that this issue be resolved via rulemaking.
The Committee has decided to discuss what further action it should take when the NRC staff had progressed further in the development of a proposal.
26.
Petition for Rulemakinc - Protection Acainst Lichtninc and Electrical Transients for Nuclear Power Plants (Open)
(CJW/PAB) ESTIMATED TIME:
To be determined The NRC has received a Petition for Rulemaking from Mr.
R.
P.
Grill, a former employee of the (then) AEC, that requests that the agency amend its regulations to add lightning induced and other electrical transients to the list of phenomena that licensed nuclear power plants must
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safely accommodate.
Presently, this Petition is under review by cognizant NRR/RES representatives.
The schedule for the disposition of this Petition is uncer-tain at this time.
Mr. Wylie will recommend a course of action later when the NRC staff has progressed further in its review of this Petition.
27.
Insichts to be Gained from the Accident Secuence Precur-sor Work (Open) (HWL/SM) ESTIMATED TIME:
To be deter-mined O
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The Planning and Procedures Subcommittee recommended that L
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Dr. Lewis and Mr. Mays brief the Committee on their work on insights to be derived from the Accident Sequence
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Precursor program.
Dr. Lewis will recommend a course of M.
action to the Committee.
28.
Revised Imolementina Procedures for Issuance of Generic
' Communications (HWL/MDH) ESTIMATED TIME:
To be deter-
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mined The staff has provided SECY-92-224 to the ACRS that r
describes revised implementing procedures for issuance of p'\\
generic communications (Attachment B).
These revised procedures have been developed it response to the
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comments received during the Regulatory Impact Survey v
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that was conducted by the staff a few years ago.
The f
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y revised process is expected to facilitate participation pd( d, generic communications that include new staff positions i
e by interested groups and the public in the development of
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or seek additional licensee commitments.
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The Planning and Procedures Subcommittee needs to decide whether the ACRS should review this revised process.
29.
NRC Particioation in World Use of the International Nuclear Event Scale (JCC/PAB) ESTIMATED TIME:
To be determined f
The staff has provided to the ACRS SECY-92-225 that k{ [ (
describes the International Nuclear Event Scale (INES)
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which catworizes, on a consistent basis, events at commercial nuclear power plants and other nuclear L/ '
installations (e.g.,
mining and milling facilities, 0
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uranium enrichment facilities, fuel fabrication facili-ties, etc.) throughout the world.
The INES is catego-J
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h rized into seven levels:
(1) Anomaly, (2) Incident, (3)
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Serious Incident, (4) Accident Without Significant Off-fj Site Risk, (5) Accident with Off-Site Risk, (6) Serious 7
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10 Accident, and (7) Major Accidents.
The INES program, directed jointly by NEA and IAEA, has been considered operational since March 1992.
In SECY-92-225, the staff proposes that the U.S. begin limited participation in the INES program in which the NRC could directly classify certain power reactor events of higher significance, en a provisional basis, without requiring licensees perform similarly.
Since this is not a safety-related matter, there is no need for the ACRS to review this issue.
However, the s
Planning and Procedures Subcommittee needs to recommend %s a course of action on this atter.
y 30.
Meetina with the Director of Nuclear Material Safety and Safecuards (Open/ Closed) (DAW /RFF) ESTIMATED TIME:
11/2 hours The EDO has proposed that the Committee meet with Mr.
'O Bernero during the October ACRS meeting.
This is d
consistent with the Committee practice of having periodic J
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meetings with the NRC staff Office Directors to discuss
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matters of mutual interest.
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The Planning and Procedures Subcommittee needs to y
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1 31.
Proposed Amendmend to the Station Blackout Rule Recardine Diesel Generators (Open) (CJW/PAB) ESTIMATED TIME: To be determined The ' EDO has requested review of the proposed final amendment to t.he Station Blackout Rule (10 CFR 50.63) regarding the reliability of diesel generators.
The proposed final amendment and supporting documents are expected to be provided to the Qo ttee before the September 1992 ACRS meeting. O Um The Planning and Procedures Subcommittee needa to recommend a course of action.
32.
NRC Soonsored Research on Orcanizational Factors (Open)
(JCC/HA) ESTIMATED TIME:
To be determined The EDO has of fered the Committee an information briefing on the status of the NRC sponsored research on organiza-tional factors during the October 1992 ACRS meeting.
An NRC staff paper will be provided to the Committee before the September 1992 ACRS meeting.
$hOn w 4 cmM Mr~m~
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11 The Planning and Procedures Subcommittee needs to recommend a course of action.
33.
Procosed Resolution of Generic Issue 120 "Online Test-ability of Protection Systems" (Open) (CJM/PAB) ESTIMATED TIME:
To be determined The EDO has requested Committee review of the NRC staff's proposed resolution of Generic Issue 120 "Online Test-ability of Protection Systems" during the October 1992 ACRS meeting.
The proposed resolution and supporting f}, -
documents will be provided before the September 1992 ACRS meeting.
The Planning and Procedures Subcommittee needs to recommend a course of action.
34.
DSER for the EPRI Passive LWR Desian Recuirements (Open)
(CJW/MME) ESTIMATED TIME:
To be determined
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'The EDO has requested Committee review of the NRC staff's L
DSER for the EPRI passive PWR design requirements during O'
the October 1992 ACRS meeting.
The DSER has eeen provided to the Committee.
The Planning and Procedures Subcommittee needs to recommend a course of action.
35.
FSER for' the ABWR desian (Open/ Closed) (CM/MME) ESTIMATED TIME:
To be determined The EDO has requested Committee review of the NRC staff's
.vph FSER for the ABWR design during the October 1992 ACRS J
meeting.
The FSER is to be provided to the ACRS before g
t the September 1992 ACRS meeting.
The FSER is not likely to be complete and FSER supplements are likely to be M'
issued later as the staff completes its work.
A proposed plan for the Committee's review of the ABWR design and related matters (DAC, ITAAC, etc.) has been provided to the Planning and Procedures Subcommittee.
The Planning and Procedures Sabcommittee needs to recommend a course of action.
36.
Proposed Resolution of Generic Issue-151 " Reliability of ATWS Recirculation Puno Trio in BWRs" (CJW/WK/PAB)
ESTIMATED TIME:
To be determined Based on a quick review of Generic Issue-151, using an updated recirculation pump trip frequency of failure-on-demand and current BWR transient frequency, to estimate
12 core damage frequency and risk inherent in this generic i
issue, the staff has decided not to pursue this issue further due to low-risk significance (Attachment C). The staff plans to issue a close-out memo on Generic Issue-151 by August 17, 1992.
The staff would like to know whether the ACRS wants review this matter.
l The committee needs to decide on this matter during the July 1992 ACRS meeting.
IV.
INTERNATIONAL MEETINGS 37.
Second International Ouadricartite Meetina of Advisory Groups The Committee agreed to consider the possibility of hosting a Wingspread-type meeting to discuss the use of computers in nuclear power plants and management aspects of nuclear plant operations.
A Working Group consisting of Dr. Wilkins (Chairman), Dr. Kerr, Dr. Lewis, and Mr.
Carroll has been formed to develop a proposal for ACRS consideration.
A Working Group meeting was held on May 26, 1992 with representatives of the RSK to discuss planning for this meeting. The Committee sent letters to RSK and GPR (France) on June 29, 1992 recommending that such a meeting be held.
The Committee will decide on future action af ter receiving responses from RSK and GPR.
Attachments:
A - pp Memorandum dated July 6, 1992 from J.
Blaha, EDO,
Subject:
Agenda Items for the ACRS and the ACNW B - pp SECY-92-224, " Revised Implementing Procedures for Issuance of Generic Communications," dated June 22, 1992 C - pp Memorandum dated June 11, 1992 from W.
- Minners, RES,
Subject:
Resolution of GI-151, " Reliability of ATWS Recirculation Pump Trip in BWRs" l'h 7J
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