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Summary of ACRS Subcommittee on Metal Components 791105 Meeting in Washington,Dc.List of Attendees,Schedule & Fr Notices Encl
	ML19323B081
Person / Time
Issue date:	04/08/1980
From:	Igne E; Advisory Committee on Reactor Safeguards
To:	; Advisory Committee on Reactor Safeguards
References
	ACRS-1685, NUDOCS 8005090230
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April 8, 1980 ME'40RANDU'i FOR: ACRS Members FROM:

E. Igne, Staff Engineer

SUBJECT:

CERTIFICATION OF THE MINUTES OF THE ACRS SUBCOM.'11TTEE MEETING METAL COMPONENTS - WASHINGTON, DC - NOVEMCER 5, 1930 77 The Minutes for the subject meeting, issued March 24, 1980, have been certified as the official record of the proceedings for that meeting.

Please attach t'his copy of the minutes to the Attachments to the minutes issued January 29, 1980.

LI. Igne Staff Engineer

Attachment:

Certified Minutes of the ACRS Subcommittee l'aeting on Metal Coraponents of 11/5/79 I

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/4RS Technical Staff i

H. Corten R. Dillon W. Berry

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' ISSUE DATE: March 24, 1980

}p MINtfrES OF THE ACRS SUBC04MITTES MEETING ON METAL COMPONETiS November 5, 1979 Washington, D.C. 20555 he ACRS Subcommittee on Metal Components met in Room 1167, 1717 H St. N.W.,

Washington, D. C. on November 5,1979 to hear from the BWR Omers Gcour, con-cerning the matter of BWR pipe cracking in partial response to the August 16, 1979 AGS letter on this topic. Generic items such as pipe crackirg, in-service inspection and other related topics were also discussed.

The notice of this meeting was published in the Federal Register dated W e schedule of the meeting, the attendee list and handouts received at the meeting is attached. No oral or written requests were received from members of the public.

Mr. E. G. Igne was the Designated Federal Dnployee of the meeting.

We meeting was called to order at 8:30 A.M. by Dr. P. 91ewmon, Clairman of the Subcommittee. %mbers present were Dr. J. Mark and Mr. M. Bender. Gn-sultants present were Drs. Dillon, Berry and Corten.

Dr. D. Rossin, Chairman of the Technical Advisory Committee of the BWR Owners Group Dr. Rossin thanked the subecznmittee for the opportunity of the B&W Owners group to present their program in response to the ACRS concerns on the in-creased incidence of BWR pipe cracks. He stated that the BWR Owners Group program is well conceived and the Technical Advisory Committee have the authority to make changes to the technical aspects of the programs if desired.

METAL C04PONENTS Dr. Rossin then described the history and the organization of the group.

He stated that the group was formed when cracks were discovered in the Dresden reactors in 1965. We group advised EPRI during the formative years in the planning of a technical program to solve the pipe crack problem. Mien the Duane Arnold and some foreign plants experienced pipe cracks, substan-tially more work in this area was needed. A S30 million dollar over a four-year period was recently funded. A Garter and Research Agreement was formulated in October 1979, which included a per-share basis for funding the program.

Forty-eight snares were needed, and 56-1/2 shares (21 out of the 29 companies) are signed, and the group is considered fully funded. We budget for FY 1980 is about $10 million. his budget -is in addition to money coming from EPRI.

He stressed the point that there are two sources of funding and only one integrated research program.

Dr. Rossin stated that a basic goal of the program is to prevent the pipe crack phenomenon from creating safety problems, and to minimize plant unavail-ability due to pipe cracks. He further stated that there is no guarantee that pipe cracks will not continue to occur, but they will be detected and j

repaired before crack instability occurs. No fonnal mechanism exists for the implementation of fixes recommended by EPRS, but Dr. Rossin stated that utilities have been very cooperative in repairing pipe cracks.

1 We owners have decided that EPRI will manage the entire program and the BWR 1

Owners Group will act in an advisory manner.

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3 Mr. Stahlkopf, EPRI Mr. Stahlkopf presented the technical program dealing with intergranular stress corrosion cracking (IGSCC) in BWR's.

He briefly presented the inci-dence of pipe cracks in both domestic and foreign plants. In 1978 there were 132 incidents.

In 1979 there had been 191 incidents including six cracks from a foreign plant. We data indicates that the cracking incidence seems to be increasing linearly on a yearly basis. He attributed the cause of the cracks to ICSC. He stated that susceptible materials (high-carbon materials),

stresses and oxygen environments lead to the types of cracks seen.

Because of the history of the pipe cracks, the utility has been concerned with the potential availability and reliability problems surrounding pipe cracking and would like to mitigate the effects of IGSCC in BWR's.

We philosophy of the EPRI program is to develop a series of on-the-shelf fixes that can be applied to both existing plants and plants under construction.

Examples of some of the fixes now being implemented are as follows:

1.

'Nenty-four plants are using solution heat treatment in welded joints.

2.

Corrosion resistant cladding is being used in 15 plants.

3.

Alternate material (low-carbon, nitrogen-strengthened 304 or 316 materials are used in 18 plants presently under construction.

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_4 Mr. R. Jones, EPRI Mr. Jones addressed the plant problem resolution phase of the program that deals with the piping integrity analysis. He stated the three major objectives of this phase of the program as follows:

To provide the utilities with improved capabilities for predicting 1.

where crack will form and for detecting the cracks if they do form.

We major thrusts are to develop improved methods of identifying welds susceptible to IGSCC, to develop improved crack detection capabilities and to develop improved leak detection techniques to insure that if through-wall cracks are developed, they will be detected in a timely fashion before the crack becomes unstable. We major thrust in this area are to improve the determination of crack size by NDE and surveillance techniques, predict crack growth and crack shape and to assess safety margins considering various loadings.

Tb provide models for predicting crack growth if the cracks do form and 2.

what types of crack shapes and leaks are likely to develop.

To evaluate the consequences of cracking from a systems point of view, 3.

for example, of dat kinds of leak rates to expect if through-wall cracks occur and to determine the affects of loading and residual stresses on the cracks. In this area of consequence evaluation, the following concerns will be addrussed.

te consequences of exceeding the fracture toughness of the a.

eterial.

i

A b.

We quantifications of leak rates of a crack for various loads.

Multiple breaks due to one large loading impulse and leak before c.

break phenomenon will be investigated. tis phenomenon has been analyzed for the Duane Arnold case and the cracks were found to be stable.

Mr. J. Danko, EPRI Mr. Danko's presentation covered the ' topic of pipe system improvement or pipe remedy developent. We objective of the remedy developent activities is to develop and evaluate remedies for application to the BWR recirculation piping system and to demonstrate improvement of these pipe remedies. %e technical approach is based on an understanding of the mechanism of IGSCC. Mr. Danko stated that at this point in time, they have a very good understanding of the IGSCC phenomena. tree factors are required to produce IGSCC. Wey are (1) a material with sensitized microstructure, (2) the presence of stress or strain, and (3) a hostile environment; each item superimposed such that they are coincident in one area. Remove any one of these factors and IGSCC is prevented.

Extensive tests are being made on 16 inch diameter pipes. Tests of pipe sizes of 26 to 28 inches in diameter are being planned in the next few years.

De General Electric Co. is the largest contractor of this integrated pro-We Subcpmmittee questioned if other independent activities are being gram.

i

. conducted to validate the results on the program.

It was stated that Battelle within the next year will be doirg some work in this area using large diameter pipes. Japan is also doing independent work in this area. We NRC is plannity some independent research programs to evaluate the proposed fixes and solutions to the problem.

Mr. L. Martel, EPRI Mr. Martel discussed the area on Remedy Applications. Se intent of this program is to put the various remedies on the shelf for the utilities use.

About 10-15 million dollars are committed to this program in FY 1980.

This work will be done by actual demonstration of the remedies on full size piping mockups. A contract to build a facility has been let and is expected to be complete about June of 1980, and be operational by the end of the year.

An important element in this F ase of the program is to qualify personnel h

for applying those retetes in plants.

1 The preparation of specifictions and procedures and quality assurance l

plans falls in this area. Rese would then be demonstrated on full-size mockups.

Mr. R. Smith, EPRI Mr. Smith is the coordinator for all the BWR programs. Mr. Smith gave a sumary to EPRI's presentation. Se following are highlights of his pre-sentation.

. Other countries are also working on the program. %ey are Japan,

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Sweden, Germany and Italy.

Technology transfer will be stressed.

IGSCC is well understood.

Fixes or remedies have been developed and implemented.

Stress related remedies such as induction heating stress improvement, heat sink welding are important, especially to plants already built.

Environmental studies of BWR water chemistry have been initiated.

Actual benefits of these studies are still in question.

NDE equipnent developnent and deployment in the field is in process.

Ductile fracture mechanics is now bearing fruits in the prediction of the pipe crack pienomena.

Eis is an integrated program involving EPRI, BWR owners group, NRC, people abroad. In the near future independent capabilities will be be a reality.

Communication among cognizant people are excellent.

Mr. Rossin Mr. Rossin next introduced the utility representatives present. %ere were 15 representatives of the utilities at this meeting. Mr. Taylor reposenting tis the Susquehanna plants discussed modifications to mitigate pipe cracks.

plant is well along the construction stage. Some of the fixes performed at Susquehanna are listed below.

Eliminated as much of the high carbon 304 material as possible.

Corrosion resistant claddings on the upper and lower ends of recirculation t

riser pipe.

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. Redesigned the Inconel safe-ends in response to the Duane Arnold problem.

Dnployed mechanical deaeration system, to reduce the oxygen content.

tis remedy should reduce general corrosion problems and crtd build-up.

Plan to use inductive heating stress technique to reduce residual stresses.

Mr. MacLaughlin of TVA next presented their implenentation program Bey are a Is11ows:

Safe end nozzles were replaced with approved design.

We bypass lines were removed and capped.

W e stainless steel core spray lines were removed and replaced with with carbon steel.

Mr. V. Noonan, NRC Mr. Noonan next covered some generic items in the perview of the metal com-ponents subcommittee. We items covered were as follows:

Status of PWR and BWR pipe cracks.

Cracks in the borated pipes at M I-1.

Feedwater pipe cracks.

Technical specifications on water chemistry.

Status of steam generator problems, in foreign reactors, Trojan and i

Prairie Island.

Mr. Nooran gave a status report on the Millstone feedwater line cracks.

He stated that.tne cracks were about 60 to 90 mils deep with some cracks extending ciretsnfarentially 360 degrees. All of the cracks appear to be i

. away from the heat affected zone. Fracture mechanics analysis indicated that Millstone can go back to power until the refueling outage due at the end of October. Inspection during this outage has shown that the cracks have been deeper than when the cracks were found at the original inspection.

WC requested that the pipe be replaced.

Mr. Noonan also stated that a report on the Stress Rule Index by GE has been received. We Staff is currently reviewing the report.

Mr. W. Hazelton, NRC Mr. Hazelton presented a report of the pipe crack problem. He stated that the Staff was asked to comment on the Pipe Crack Study Group report, NtREG-0531, dated February 1979. S e Staff evaluation of the current pipe crack problem is found in NUREG-0313, Rev.1. his report is currently out for coment.

Recommendations and implementation information are also delineated in this Mr. Hazelton, in response to a question by the Subcommittee, stated report.

that the report does not contain any new material.

Mr. F. Almeter, NRC Mr. Almeter next discussed water chemistry technical specification and why the staff is now removing the technical specification for PWR secondary water chemistry.Mr. Almeter stated that early in the program, water chemistry Technical Specifications, for example in Beaver Valley, presented chemistry probelms during the start-up 2ase. We plant was in hot shutdown for about two months in order to reduce the conductivity of the water frcm 50 to 25 micrombos, te Specifications had to be revised in order that the plants

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. start up in a more efficient manner. te Staff is now removirs the Technical Specification requirement on secondary side water chemistry and replacing it with a monitoring program.

Mr. Almeter stated that Ginna has a successful monitoring program because its steam generator is in excellent condition.

In 1977 Ginna installed a complete demineralizer system on the secondary side.

It also has a tighter control on the amount of condenser in-leakage.

We Subcommittee inquired about the criteria to be used to evaluate the moni-toring program and stated that the Staff should develop a better basis for understanding the water chemistry problem.

A complete transcript of the meeting is on file at the NRC Public Docu-ment Room at 1717 H Street, N.W., Washir.3 ton, D.C. or can be obtained from ACE Federal Reporters, Inc. 444 N. Capitol St., N.W. Washington, DC.

90448 Federal Register / Vol. 44. No. 304 / Friday. October 19. 1979 / Notices provisions of the Act and the Code.

NATIONA1.OQtstetSSIONON AIR De agenda for sub ect meeting shall t

l induding statutory or administrative QUAUTY be as follows:

esemptions and transitional rules.

Monday. November 5.1979, a;30 am Furthermore. the fact that a transaction aseeting Scdsouluted for November 13 until the conclusion of business is subject to en administrative or ne National Commission on Air he Subcommittee may meet in statutory exemphon is not dispositive of Quality hereby gives notice of a meeting Executive Sasion, with any of its whether the transaction is in fact a scheduled for November 13.%e meeting consultants who may be present, to prohibited transaction.

will be held la Room 4200 of the Dirksen explore and exchange their prehminary Senate 051ce Building. located at First opinions regardmg matters which should Written Cornments and Hearin3 Street. N.E. and Constitution Avenue.

be considered durmg the meeting and to R'9"*"

N E.. Washington. D.C., and will begin at formulate a report and recommendation All interested persons are invited to 1:00 p m.

to the full Committee.

f submit wntten mmments or lequests for ne agenda for the meeting will At the conclusion of the Executive a heanns on the pendmg exemption to include the following items:

Session. the Subcommittee will hear the address above. within the time

1. Approval of the sunutes of the presentations by and hold discussions period set forth above. All comments October 5.1lE'S Commission meetmg.

with representatives of the NRC Staff.

2. Discussion of activities of the the nuclear industry.various utilities.

will be made a part of the record.

Commission's Research Committee.

and their consultants, and other Coraments and requests for a hearms 3 Consideration and selection of interested persons. regardag the should state the reasons for the wnier s alternative ett pollution control polides implications of the DC-2 Accident.

interest in the pendmg exemption.

Coer.ments received wdl be available for, to be apphad in the Comnueston's in addition, it may be nerwaamry for ngional stednes.

the Subcommittee to hold one or more pubhc inspection with the application Questi ns about the meeting abould clo.ed sessions for the purpose of for exemption at the address set forth be directed to Mr. Morns A. Ward at exploring matters lavolving proprietary

,g' (202)245-6355.

informat2on. I have determined. in

%- M Exemption National Ceammission an Air Quihry.

accordance with Subsection 10(d) of Pub. L 92-463, that. should such Based on the facts and Wuliara H. Isota. ),,

sessions be required. it is necessary to representations set forth in the

Duerro, clow u seaanons to pmtect application, the Department is Pn o= wam me mas-rm ses.al p

information (5 U.S.C.

considering granting the requested ownscosa -

esernption under the authority of section Furht blandon Wng Wcs os(a) of the Act and section 4975(c)(2l

[0 be d '*"'h. * 'th d

of the Code and in accordance with the NUCLEAR REQUI.ATORY 3,

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procedures set forth m the ERISA COMMISSION Chirman's fullig on requats fw h Procedure 75-1 (40 FR 18471. Aprd 28 opportunity to present oral statements F

" on Reactor 1975) If the azemption is granted. the "Y

vQS commntee on

- and the time allotted therefor can be restnctions of sections 406(e). 406(b)lt).

obtained by a prepaid telephone call to Wie hree BARE letand Unn 2 Acc6 dent end 406(b)(2)of the Act and the taxes the cognizant Designated Federal implications Me Nuctow Powerpient imposed by section 4975(a) and (b) of Employee. Mr. Richard K,. Malot the Code. by reason of section (telephone 202/634-1414) between 8:15 4975(c)(1)( A) through (E) the Code shall The November 7.1979 meeting of the s.m. and 500 p.m. EITT before, and EST -

not apply to the cash sale by the Plan of ACRS Ad Hoc Subcommittee on the after. October 28.1979.

certain real property located at 1211 Three Mde taland. Unit 2 Accident-Backg ound information conceming North loring Street in Portland. Oregon Implications Re Nuclear Power Plant items to be discussed at this meeting for $380.000 to Mr. Wdliam Anderson Design has been rescheduled to be held can be fo'und in documents on file and provided that this amount is at leeet the on November 5.1979 in Room 1046,1717,available for public inspection at the fair market value of the property.

H SL NW. Washangton. DC 20655. -

NRC Public Document Room.1717 H No& of this meeting was pubhahed Street. NW. Washington. DC 20555 and De pmposed exemption. If granted.

October 1A 1970.

at the Covemment Publications Section, will be subject to the express conditions la scoordance wide the procedafwa State Ubrary of Pennsylvania, that the matenal facts and outlined in the Fedaeal Register on Education Building. Commonwealth and representations contained in the October 1.1973. (44 FR 5640s). ora Welnut Street. HarrisburS. PA 17126.

application are true and complete, and written statements may be presen by t

that the application accurately describes members of the public, recordings will Dated. October ts. tsrs.

all material terms of the transaction to be permitted only dunng those portioina lebe C. Heyne, be consummated pursuant to the of he meeting when a transmpt la being Advisory Commian,?L t Officer.

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kept, and questices may be asked calf ps one 5-ariu ms e.ese ess.mq Signed at Washangiam. D.C. thee 13th day by members of the Suhrammettaa. Its

. a core m of October ters consultants. and Staff. Persons desinas tan D. Lansa, to make oral statessents should notify the Designstad Federal Employee as far Advfsory Committee on Reactor MmsmeWror. hnston and WeFore Sene$r P ogrosne. Labor Manceement Semees in adyanoe as practicable so that Sa%uards. Suh on Rfetal 4demeseessort Department ofLa6ae.

appropnate arruagementa can be made Componenta; Joint Meeting to allow :.he necessary time dunng the De ACRS Submmmittee on Metal an om. m en.e o

mes'mg fa each saataneam.

Components will hold an open meeting aume osaa en a.e 2

80449 19, 1979 / Notices Federal Register / Vol. 44. No. 204 / Friday, October i

Commission. Division of Waste m'

n November 5.1979, in Room 1187.1717 IDecaet 8se. 40-47481 Management.483-SS, Washington D.C.

veliabiltty of EnvironmentalReht 20655. Phone (301) 427-4103.

o H St.. NW., Washington. DC 20555.

A In accotdance with the proceduns nd Intent to Propero a Draft 3

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outimed 4n the Federal Register on EnWonmentalImpact matement dey of October, ts s October 1.1979 (44 FR 56408), oral or Foy the U.S. Nuclear Regulatory sin wntten statements may be presented by

,g, Commission.

members of the public. recordings will Project To Se Located in Fremont

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be permitted only during thost portions h4 Ogle PetroleumAc.

Ch,ef. Uranium itecovery Licensing Bronch.

of the meeting when a transenpt is being Aessect U.S. Nuclear Regulatory p,mson of Weste Management.

kept. and questions may be asked only Commissiom

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g by members of the Subcommittee. its Actor Notice ofIntent to Prepare a sauna caos nee-ow consultents. and Staff. Persons desinna Draft Enmonmental Impact Statement.

to make oral statements should notify the Designated Federal Employee as far aussasAnn 1. Description of the Proposed Advisory Committee on Reactor in advance es practicable so that Action--Ogle Petroleum.Inc proposes Safeguards. Subcommittee on the appropnate arrangementa can be made to construct and operate an in. situ Smoyait 76uclear Power Station-uranium extraction facility at the Bison teeeting to allow the necessary time during the Basin Project site.nis project is located De ACRS Subcommittee on the meeting for such statements.

in southwestem Wyoming Sequoyah Nuclear Power Station will The agenda for subject meeting shall approximately 50 miles south of hold a meeting on November 5.1979. in be as fo!!ows; Riverton. and 30 miles southwest of Room 1046,1717 H Street, N.W.,

Monday, November 5,1s"s. 8:30 a.m.

Jeffrey City.The 400.000 pounds of Washington. DC 20555 to review the until the coeclusion of business uranium per year capacity in.eitu application of the Tennessee Valley extraction facility will be located in Authority (TVA) for a permit to operate ne Subcommittee may meet in Sweetwater River Drainage Basin.

Unita 1 and 2 of this station.

Executive g,ssion, with any ogits Section 25.T27N. R97W. Fremont in accordance with the procedures consultants who may be present, t County Wyomyaltematives currently outlined in the Federal Register on emptore and exchange their preliminary m pacip October 1.1979 (44 FR 56408) oral or opmions regardmg matters which should planned to be considered include written statements may be presented by be considered dunna the meetmg and to alternet.ves of siting, waste members of the public, recordings will formulate a report and management methods. energy sources, be permitted only during those portions recommendations to the full Committee.

and the allemative of no licensing of the meetmg when a transcript is being kept, and questions may be asked only a

At the conclusion of the Executive action.

3.De scoping process willinclude a by members of the Subcommittee.ita Session. the Subcommitee will hear meeting to be held in the Lodge Room of consultants, and Staff. Persons desiring I

presentations by and hold discussions the Elks. 20? E. Main Street. Raverton.

to make oral statements should not"y with representatives of the NRC Staff, Wyoming. on November 1.1979. at to the Designated Federal Employee as far the Boilmg. Water Reactors (BWR) a.m. nis meetytg will provide for a in advance as practicable so that 1

Owners Group and their consultants.

briefing of interested parties concerning appropnate arrangemints can be made regardmg the matter of BWR pipe the proposed action end alternatives to allow the necenary time during the cracks. ACRS genene items pertinent to and opportunity for comment on the meeting for such statements.

the purview of this Subcommittee such scope of the proposed statement.The ne agenda for subject meeting shall as stres's corrosion cracking in BWR participation of the public and all be as follows: Monday. November 5.

pipmg. and inservice inspection of interested govemment agencies is 1979. 8:30 a.m. until the conclusion of reactor coolant pressure boundary will invited. Copies of this notice will be mailed to all affected federal. state, and business.

aIeo be addressed.

The Subcommittee may meet m Further information regarding topics local agencies and other interested Execstive Session, with any ofits to be discussed. whether the meeting persons. Wntten comments concerning consultants who may may be present. to has been cancelled or rescheduled, the the scope of the proposed statement will-explore and exchange their preliminary Chairman's ru!mg on requests for the be accepted until November 9.1979 opinions regarding matters which should 4.The DE!S is expected to be opportumty to present oral statements available to the pubhc for review and be considered dunng the meeting and to and the time allotted therefore can be formulate a report and d

obtamed by a prepaid telephone call to comment in February,1980 recommendations to the full Committee.

5.ne applicant's Environmental At the conclusion of the Executive the Designated Federal Employee for Report and Appendix and any lable Session, the Subcommittee will hear this meetmg. Mr. Elpidio G. Igne.

subsequent documents will be avai presentations by and hold discussions i

ltelephone :02!634-3314) between 8.15 for inspection anr: copying at the Public with representatives of the NRC Staff.

a m. erd 100 p.m EDT before, and EST Document Room (PCRI,1717 H Street.

TVA. and their consultents, pertinent to after. October 28,19'9.

N.W., Washington. D.C. 2c555. Copies of Daied. October ts. tre.

the Environmental Report and Appendix this review.

in addition,it may be necessary for are also being provided to the State the Subcommittee to hold one or more a

idaC. hse Planning oorcinater. Office of the closed sessions for the purpose of

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.semm&mmee Monagement Oficer.

Govemer. 2320 Capitol Avenue.

exploring matters involving proprietary a

n a m r w o. + y.

t Cheyenne. Wyoming S:002.

htformation. I hue determined, m u ooos nee w Questions ebeut die proposed action.

accordance with Subsection 10(d) of DEIS. or scopmg nevang and any Public Law 92-463, that, should such g

wntten comrnents enould oe directed to seniona be requirst t a necessary to ng R. S. Ka ufmann. U.S. Nucle at Regulatory g*O g-m u

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TENTATIVE SCHEDULE ACRS SUBCOMMITTEE MEETING ON NETAL COMPONENTS WASHINGTON, DC NOVEMBER 5, 1979 APPROXIMATE TIME 8:30 a.m.

I.

EXCUTIVE SESSION (OPEN) - P. Shewnon II.

PRESENTATION BY BWR OWNERS' GROUP IN RESPONSE

'ID PORTICN OF ACRS LETTER OF AUGUST 14, 1979 8:45 a.m.

A.

Introduction - D. Rossin 9:00 a.m.

B.

Sumary of Pipe Integrity Program EPRI iSmith, Martel, Danko) 11:00 a.m. - 11:10 a.m.

BREAK 11:10 a.m.

C.

Actions taken by Utilities b:.S Owners' Group D.

Discussion of Program Objectives and Feedback 12:00 noon frco ACRS 12:30 p.m. - 1:30 p.m.

LUNCH III. GENERIC MATTERS A.

Presentation by NRC Staff 1.

Introduction - V. Noonan 1:30 p.m.

2.

Status of BWR (and PWR) Pipe Crack Program 1:45 p.m.

3.

Inservice Inspection of RCPB in light of Duane Arncid pipe cracks 2:15 p.m.

i APPROXIMATE TIME 4.

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