ML20043H738

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Forwards List of Actions,Agreements,Assignments,Requests & Followup Matters from ACRS 359th Meeting on 900308-10. Subjs Include Evolutionary LWR Certification Issues,Reactor Operating Experience & AEOD Activities
ML20043H738
Person / Time
Issue date: 03/27/1990
From: Fraley R
Advisory Committee on Reactor Safeguards
To: Taylor J
NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
References
ACRS-GENERAL, NUDOCS 9006260383
Download: ML20043H738 (4)


Text

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'g UNITED STATES 8

NUCLEAR REGULATORY COMMISSION i

ADVISORY COMMITTEE ON REACTOR SAFEGUARDS g

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March 27,.fl990

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MEMORANDUM FOR:

James M... Taylor Executive Director'for Operations

. ATTN:

6 FROM:

R.

F.

Fraley, xec ve Director, ACRS-7

SUBJECT:

-359TH ACRS' MEETING FOLLOW-UP ITEMS

. Based on discussions regarding methods f r improved implementation >

s and follow-up of ACRS recommendations, the Committee agreed that a summary of Actions,-Agreements,-Assignments, and Requests made during each full Committee.; meeting will be sent: to your office following each meeting.

4 Attached per this agreement is a list of the. requests.made during the 359th ACRS Meeting, March 8-10, 1990.

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Attachment:

As stated cc w/ attachment:

E.-L. Jordan, AEOD R. M. Bernero,'NMSS l'

T.

E. Murley, NRR l

E.

S. Beckjord, RES I

S.-Chilk, SECY A. Vietti-Cook, OCM/KC C. Ader, OCM/TR G. Marcus,JOCM/KR D. Trimble, OCM/JC J. Guttmann, OCM/FR 1

l DESIGNATED'ORIGIE W 62 3 900327

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e ACTIONS, AGREEMENTS,-ASSIGNMENTS, REQUESTS AND LIST OF FOLLOW-UP MATTERS 359TH ACRS' MEETING MARCH'8-10, 1990 l

Report to the Commission.

1 Containment Perform 8J1g1 Introvement Procram

Procosed Recommendations'for Mark II, Mark III, Ice Condensar, and Dry

-Containment.E (Report to Chairman Carr, dated March 13,-1990).-

j e Memorandum =to the EDO t

SECY-90-OS7, Advance' Notice of Pronosed Rulemakina, h

"Accentance of Products Purchased-for Use in Nuclear Power Plant Structures. Systems and Components" :(Memorandum from R. F.

Fraley, ACRS, for J.

M.

Taylor, EDO, dated March 14, 1990).

Other Matters considered by the' Committee Evolutionary Licht Water Reactor Certification Issues The Committee discussed the comments and recommendations proposed by cognizant Subcommittee Chairmen / members regarding the 15 evolutionary LWR certification issues 1 identified by the staff in SECY-90-016.4-Owing to lack of. time, the-Committee was not able,to complete-the discussion of?all these items.-

Consequently, it decided to continue the' discussion of.-this matter and:an associated ACRS report to the Commission during-the April 5-7,11990 ACRS meeting.-

In addition, the committee decided-to' discuss the following-issues with representatives of the. staff and ~ industry J(as:

appropriate) during the April 5-7,1990. ACRS meeting to gather-

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additional-information:

ABWR Containment Vent Design l

Equipment Survivability Reactor Oper@.ina Experience The.NRR staff briefed the' Committee regarding'the following operating events:

125V DC system circuit breaker design problem'at Point Beach 1 Units 1 and 2, November 7,.1989.

Potential Lfailure of the swing bus under undervoltage i

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condition in:the LPCI system of certain BWRs, October 12,-

1989.

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I ctions,= Agreements, Assignmehts:

A and Requests - 359th Meeting 2:

Inadequate L NPSH of = auxiliary feedwater pump at - H. B.

Robinson _ Unit 2, August 16, 1989.

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- AEOD Activities

- The AEOD staff briefed'the Committee on'the status /.results

. of their'following studies:

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- Review of Thermal Stratification in nuclear power plant-piping: systems

Evaluation of Safety Equipment Outages at Zion-The Committee suggested that the staff reference tne report,-

" T e c h n i c a l~ A s p e c t s of Hydrogen. Control. and Combustion in

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Severe; Light-Water. Reactor Accidents,"

prepared 1 by the-

_ l National Research-- Council 'in-.the proposed Supplement' to Generic Letter 88-20.

.Mr. King, RES, agreed;to: consider.this suggestion.

(Mr. Houston has the L follow-up action on-~ this-matter.)

The Committee agreed that1 during i the._ April 5-7,_

1P:iO.ACRS

. meeting, the NRR: staff provide briefings to'the' Committee on-the following matters related - to plant operations.r (Mr.

Boehnert has the follow-up action on this matter.)-

NRR's efforts related. to the f development of emergency operating procedures for the shutdown modes (Modes.-3-6)--

of operation.

i Details of the technical violations -surrounding the

$75,000 fine imposed by_the staff on>the Farley nuclear plant.

i Results of-the Westinghouse Owners . Group study: in

- support of reduction of _ turbine stop'- valve testing frequency.

(Note:

This item has been deferred to :-the May 10-12, 1990' ACRS meeting.)-

Owing to lack of. time, AEOD was not able to provide a briefingo

- on the. status - of its ystudy related to the performance of solenoid valves d u r i n g_' t h e _ M a r c h 1 9 9 0 ACRS meeting.. -The Committee suggested, and AEOD agreed, that this briefing'be.

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Actions, Agreements,? Assignments and: Requests - 359th Meeting 3

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- given-to-the Committee. during the April 5-7, 1990 ACRS l~

meeting. Subsequently, it was deferred to the May 10-12,-1990:

ACRS meeting.

(Mr. Alderman has the follow-up action on this j

meeting.)

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1 Schedule for the 360th Meetina The Committee agreed to the following_ tentative schedule for,the 360th ACRS Meetingr April 5-7,-1990.

i Evolutionary Licht-Water Reactor Certification Issues '(Ocen)

Hear briefings regarding selected certification issues such' as equipment survivability and ABWR containment vent-design.

Also-continue. discussion of the proposedt ACRS comments'- and -

recommendations regarding Evolutionary - Light-Water ' Reactor Certif!. cation Issues and ~theirJ relationships. to current' q

regulations.- Representatives of the NRC staff and the nuclear.

- industry;will participate, as appropriate..

Nuclear Power Plant-License Renewal (Ocen)

Review and j

comment on -the proposed -NRC rule regarding renewal of operating licenses for. nuclear power-plants.

Representat3ves of the NRC staff and the nuclear industry.will participate,.

L as appropriate.

Individual Plant Examination for? External Events - (Ocen) l.

Review and comment ~ on. thea proposed NRC - generic--letter - and.

supporting documentationL

.regardingl Individual... Plant --

Examination-for External Events.. Representatives of the.NRC staff and the nuclear industry. will-participate, appropriate.

_ as Severe Accident Research Plan'(Oceni

. Briefing and discussion of the statusoof--work in the NRC SevereoAccident'Research Program.-

Representatives.of the.'NRC' staff and their

. contractors will participate, as appropriate.

NRC Safety Research ' Procram (Onen)1; ' Discuss : proposed ACRS -

report on the budgeting: of the NRC safety research program; J

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