ML20127A537

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Requests Proposal to Provide Technical Assistance on Safety Evaluation of Core Melt Accidents:Mark I Bwrs. Statement of Work Encl
ML20127A537
Person / Time
Issue date: 03/25/1983
From: Mattson R
Office of Nuclear Reactor Regulation
To: Ogeka G
ENERGY, DEPT. OF
Shared Package
ML20127A418 List: ... further results
References
CON-FIN-A-3706, FOIA-84-243 NUDOCS 8304080408
Download: ML20127A537 (12)
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  • 6 NAR S 5123 Mr. Gregory J. Ogeks Chief AMnistrative Branch .

Brookhaven Area Office U. S. Department of Energy Uptein, New York 11973 *

Dear Mr. Ogeka:

SU8 JECT: BNL TECMICAL ASSISTANCE TO THE DIVISION OF SYSTEMS INTEGRATION.-NRR.-NRC,' SAFETY EVALUATION-0F-CORE-MELT ACCIDENTS: MARK-IBWRS(FINA-3706)

The purpose of this letter is to request a proposal from BNL to provide technical assistance to the Division of Systems Integration, NRC through FY-84. The enclosed Statament of Work (Enclosure 1) details the required work and should be used as the basis for preparing a proposal for submittal to this office.

Standard Tams and conditions for NRC work, as provided in the DOE /NRC

  • f1emorandum of Understanding of February 24, 1978, and described in NRC Manual Chapter 1102, should be used as the basis for preparing a proposal. If a portion of this work is to be subcontracted, it is required that BNL have a professional assigned to the contract who is j qualified to defend the results. Also, pr< or approval by me in. writing i is required before initiation of any subcontractor effort. Please i submit a proposal containing, as a minimun, the infomation set forth in

( Enclosure 2, Proposal Content, in the fomat of the Statement of Work i within 60 days to:

i l Mrs. Sybil H. Boyd, Program Assistant l Division of Systems Integration P-1102 U.' S. Nuclear. Regulatory Comission Washington, D. C. 20555 D f($

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m Some work under this task is anticipated to be proprietary. M 2 5 23

,' If you have any questions about this authorizatfori, please contact Mrs.

. S. M. Boyd on FTS 492-7685. Thank you for your assistance.

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  • Sincerely, orignal signed bf' Roger J.Mattson Roger J. Mattson, Director' Division of Systems Inte3 ration Office of Nuclear Reactor Regulation

Enclosures:

1. 50W(FINA-3706)
2. Proposal Content .

cc: R. Dari, BNL T. Romano, BHL W. Kato, BNL -

W. T. Pratt, BHL H. Grahn, BNL R. Bauer, DOE-CH DISTRIBUTION R. Barber, DOE-HQ NRR Project File (BGrenf er) .

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' ENCLOSURE 1 <

' STATEMENT OF WORK

Title:

Safety Evaluation of Core-Melt Accidents:

Mark - I BWRs FIN No.: '

A-3706 B&R No.: 20-19-50-55-3

~ Project Manager
J. Meyer (FTS 492-4752

.* Technical Monitors: J. Meyer (FTS 492-4752 S. Acharya (FTS 492-864 /J. Eltawila

. Mitchell ( FTSS 492-9418) 492-8241 Background and Objective Considerstion of severe accidents beyond the* traditional design basis, including full core melt accidents, is an important part of NRC's overall safety assessment

, and generic therefore is becoming an importarit ingredient in certain specific as well as proceedings. Also the consideration of features to mitigate the consequen:rs of core melt accidents for nuclear facilities _ continues .to-be-a--

mjoractivity. ~~

It-ts very-impcMant Yhat the large amount of technical information available and being developed by, for example: RES in this area .

be-appropriately applicable assimilated, to dect.sional needs.codified and evaluated in a way that is directly -

These needs are in three major areas. First,

,there is a need to better understand the progression of core. melt accident sequences up to and including associated core melt related phenomenology and q the implementation of these processes (and their uncertainties).into an over-all assessment of containment loading and failure modes.

1 strategies on containment loading and failure modes must also b~The impact of mitigation tp e factored into . .

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'/,e assessment.

Second, based on the containment loading histori ts, there is a need to determine the radiological source term suspended in the containment, the effects on engineered safety features (E.S.Fs) and mitigation features Of this source term and finally the release. characteristics of this source t;.3 following containment failure.

Third, the:1 is a need for an overall capability to assess the radiological con-sequences and mitigation as ahardware.

function of the assumptions regarding accident sequences, phenomenology These radiological consequences must be further analyzed in a decisional context with a full appreciation of .the regulatory implications.

The objective of the activities described in this Statement of Work is to meet the above needs.

The scope of this work will be limited to addressing immediate NRR decisional <

concerns using the state-of-the-art codes and the analyses and expe'rimental data developed.from NRC/RES and other R&D programs. -

The anP. lyses provided under this contract will help form the basis for positions taken by the staff as required in SECY-82-1B for BWRs with Merk-I centainments.

The program will address all BWR Mark Is. One specific BWR Mark I design and site wiD be chosen by the staff at a later Me for more detailed assessment.

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s The extensive analysis and assessment to be rarformed, code capability to be developed and experience to be gained under A-3711 has been taken into account in developing this RFP.

Work Re'ouirements ,

The Work Requirements Are: ,

Task I: Severe-Accident Procression Analysis: Reactor Svstems/ Containment Systems Loadino and Failure Modes Estimated Level of Effort in FY83: 5 MM Estimated Level of Effort in FY84: 5 MM Completion Date: 9/30/84 Subtask 1. A - Data Ac'quisition: Phenomenology Programs Coordinate phenomenological input from FIN No. B8634. Provide cog-

. nizance of phenomenological studies of RES, IDCOR, and foreign programs. Relate the information gathered to MARCH predictions. This subtask supports directly the ~

ef fo rts-i n-Sub ta s k-%Dr" -Starti n r0vnr1571983a letter report sumarizing subtask status shall be provided -

..- every three months until the end of the contract. (Note: .

Subtask 1.A of FIN No. A3711 provides the overall evalu-ation in this area; the subtask above is limited to specific '

Mark-I items. This required letter report can reference ,

the letter report required in FIN No. A3711.)

. .. Completion Date: 9/30/84 Subtask l.B - Data Acquisition: Engineering Programs - Coordinate

. #, . engineering mitigation feature input from FIN No. B8625. -

.- Provide cognizance of engineering studies on containment and mitigatibn features of RES, IDCOR, DOE and foreign '.

programs . Relate the infomation gathered to MARCH pre-dictions. This subtask supports directly the efforts in

, subtask "I.D." Starting June 15, 1983, a letter report sumarizing subtask status shall be provided every three months until the end of the contract. (Note: Subtask I.B of FIN No. A3711 provides the overa11' evaluation in this area; the subtask above is limited to specific Mark-I items. [This recaired letter report can reference the letter report required in FIN No. A3711])

.. . Completion Date: g/30/84

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Subtask I.C - MARCH /MELCOR Code Maintenance and Development: - Follow closely RES's MARCH-2 and MELCOR development program. Follow l the development of similar accident analysis codes e.g.,

l INCORE, foieign and domestic and speciality codes, e.g., .

CORCON, CONTAIN. Maintain current MARCH code capabiTity with modifications as appropriate to the reactor type under consideration and the containment modifications 1 (mitigation features) heing addressed. This subtask supports directly the efforts in subtask "I.D". Starting June 15, 1983, a letter report sumarizing subtask status shall be provided every three months until the end of contrf:t. (Note: Subtask I.C of FIN No. A3711 provides

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3 the everall evaluation in this area; the subtask ab:ve is limited te specific Mark-I items. Tnis required le::er report can reference the letter red 0rt recuired in FIN N .

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. . .C0 cletion Date: 9/30/84 Subtask I.C - Accident Analysis: Mark-I EWRs - Fcr each Mark I reactor type under consideration, analyze the accident progressicr.s up to and including containment failure characterizations based on accident sequences and containment modifications (if any) supplied by the staff (pay particular attention c those containment failure. Parameters which are in;ut

consequence analysis (CRAC code).)

. . . Com:letion Dates :

! I .D.1, Mark-I prelimi na ry. .12/30/S3 I .D.2, Mark-I fi nal . . . . . . . . 9/30/84 Task II - Radienuclide Release Assessment Es: 4 sted Level of Effert in FYE3: 3 MY Est natec Level of Effort in FYE : 3 MM Ccmpletien Date: 9/15/53 Subtask II.A - Data Accuisition: Source Term Provide cognizante of this activity and prcper couclinc w th CDnnn,L/h.. n a .,-

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ns#- so that the staff _{AEB/RSBl positions on s.ou.rce t.erm...are.properl v. tra ns. lated int _o t_he C_ORRAL/ MATADOR anal yses of releases _ at containment failure. (The AE3 branch of NRR/DSI is responsible for prov_idi.ng _ state-of-te_c.hnol_ocy~

data on source terms for_use in the . CORRAL /MATADCE codes.] ,

%,, ' . Prov.ide physical .

rocesses cata to t h'e s t_a_f f_--(iEBIRS B) _i n. .

order to aid them in their source term evaluation (particle d.ensities and pa.rticle sizes for determ.ination of a"v alomeration rates in containment volum._es).

This sub:ask su::crts directly the eff:r:s in subtask "II.C."

Starting June 15, 1953, a le::er re;;r: summari:ing subta:k status shall be provided every three months until the end of :ne project. (Note: Sub ask II. A cf FIN No. A2711 pr: vices the overall evaluatien in this area; the subtask abcVe is limited to specific Mark-I iters. This required letter report can reference the letter -re:cr required in FIN No.

A3711).

. . .Com;l etion Date: 9/lE/84 Suttask II.E - Data A::uisition: Code Development Maintain close contact with RES devele: ment Of MATA ;R, NAUA, CCNTAIN and MELCOR. Pr:vice assessments if Or:gress-to date and reccmmendations for ne c urse of further -

develc; ment and follow EFRI, IDCOR and foreign activities in :nis area. This subtask su:: Orts dire::ly :ne eff r:s in subtask "II.C.' Starting June 15,1983, a le :er report sum Eri:inc subtask status snall :e :revided every

nree m:n:hs until ne end f tne Drtje::. (N: e: Sut:Esk II .5 of FIN No. A3711 :r:vice the eve all evaluati:n 2 . 4e. C .r . 3. 2 , rc. .w. q..-:ebs ww.  : L-~2 w=wb.

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., 8 Mark-I items. This required letter report can reference the letter report required in FIN No. A3711).

... Completion Date: 9/15/84~

Subtask II.C - Accident Ana1ysis: Mark-I's - For under consideration, perform anal, each Mark-I-type release reactor-yses of the fractions and other containment failure parameters .iniportant .

in . the subsequent. consequence analysis.. This effort is closely coupled to Subtask I.D and should be performed concurrent with Subtask I.D. .

. . .?ompletion Dates -

II.C.1 Mark-I Preliminary.12/30/84 II .C.2 Mark-I Fi nal . . . . . . . 9/30/84 Task III - Consecuence Analysis .

Estimated Level of Effort in FYB3: 1 MM '

Estimated Level of Effort in FY84: 1 MM CoNpletiori'Da'te:

9/15f83

_ _.-.__ Note:-The- AEB of-NRR/DSI- is responsible .for all NRR consequences analyses. As such. Task III will be limited to the following

.- activities related to consequences analysis:

.(1) CRAC analyses in order to determine the impact on risk of variations in the Task I & II analyses based on phenomenological uncertainties, engineering uncertainties and the incorporation of mitigation features (2) CRAC analyses determining risk values at the request of AEB through RSB (as a supplement to AEB's own analyses).

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Subtask III.A - Data Acquisition: CRAC Code - Keep abrea.st of the state .

of technology in the area of consequence analyses including

! working kncwledge of CRAC-II and other related codes -

(e.g. , CRAC - IT) . Maintain a CRAC code capability l and data files for the sites used in this study. This

! subtask supports directly the efforts in subtask "III.B."

l Starting June 15, 1983, a letter report summarizing subtask l . status !. hall be provided every three months until end of contract. (Note: Subtask III .A of FIN 'No. A3711' provides the overall evaluation in this area; the subtask above is limited to specific Mark-I items. This required letter report can reference the letter report required in FIN No. A3711). .

[.. ... Completion Date: 9/15/84

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Subtask III.B - Accident Analysis - Perform CRAC analyses consistent with the MARCM/ CORRAL analyses performed in Subtask I.D and l . II.C. Determine changes in risk based on inclusion of .

l mitigation (or prevention) features and on variations.

due to accident progression uncertainties. (Note Milestone in II.C)

. . . Completion Date: 9/15/84

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Task IV - Risk Assessment Summarv (Intecration of Tasks I, II. and III)

Estimated level of Effort in FY83: 3 MM '

Estimated Level of Effort in FY84: 4 yy, Com'letion p Date: 9/15/83 .

Subtask IV.A - Integration: Containment Matrix - For the reactor being considered in this project, generate a containment matrix which shows the relationship of damage states (provided by the staff) to release categories, and defend each element of the matrix based on analyses and assessment provided in Task I

.. .& II. Determine estimates of uncertainties for each contain-

' ment m. atrix element (to be used in Subtask IV.C). Compare this riiatrix to that developed by the utility / vendor, if appropriate.

. ... Completion Dates:

IV.A.1 ~ Mark-I Preliminary:.12/30/83 '

IV.A.3 Mark-I Fi nal . . . . . . . . 9/15/84 Subtask IV.B - Integration: Impact on Risk - Present results of analyses and assessment in Task I, II and III in terms of risk valu~es (incl. CCDFs) and changes in risk values due to changes in containment designs (Mitigat'on i features) or changes in damage state probabilities.

IV.B.1 Mark-I Letter Report.. . 1/31/84 IV.B.2 Ma-k-I Final Report (NUREG/CR) . . . . . . . . . . . . . 9/30/84 .

' Subtask IV.C - Integration: Uncertainty Analysis - Develop a methodology for translating containment matrix element uncertainties and other uncertainties (e.g., in damage states and CRAC analyses) into final uncertainties in final risk and risk reduction values making use of the RES and industry programs in this area.

Level of Effort and Period of Perfomance The level .of effort is estimated at 25 man-months over a 18-month period.

Technical Reoortino Recuirements -

All products which are required froni this contract (including NUREG/CR reports, and miscellaneous letter reports for input to SERs) have been identified specifically under each subtask in the Work Reauirements Section. BNL shall submit six copies of draft NUREG/CR reports to the NRC Project Manager, for staff review and approval. For NUREG/CR reports, within sixty days of receipt' of t'he staff's comments on these reports, the contractor shall subniit ons II) reproducible and six (6) reproduced copies of the final reports in.accordance with NRC Manual Chapter 3202, " Publication of Unclassified Regulatory and Technical Reports Prepared by NRC Contractors," on thedates indicated in the work Recuirements section.

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i Business Letter Reports -

' A monthly business letter report will be submitted by the 15th of the month '

to the Project Manager with copies provided to the Director, Division of Systems Integration ATTN: S. Boyd, R. W. Houston, B. $ heron, W. Butler and L. G. Hulman DSI and Mr. B. L. Grenier, NRR. These reports shall identify ,

the title oT,the project, the FIN, the Principal Investigator, the period

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of perrormance, and the reporting period and will contain 3 sections as follows: .

Project Status Section' .

1. A listing of the efforts completid during the period; milestones reached, or if missed, an explanation provided.
2. Any problems or delays encountered or anticipated and recommendations for -

resolution.lf . .

3. A summary of progress to date (this may be expressed in terms of percentage completion for the project).
4. Plans for the next reporting period. , ,

Financial Status Section ,

1. Provide the total cost (value) of the project as reflected in the ')ro>osal-(NRC Form 189), the total imount of funds obligated to date, and t1e salance of funds required to complete the work by fiscal year as follows:

Total Funds Balance of Funds Projected Obligated By Fiscal Year Project Cost To Date FY- FY- FY -

2. Provide the total direct staff use and amount of funds expended (costed) .

during the period and total cumulative to date in the following categories:

a. Direct Lab Staff Effort Project Cumulative
b. Funds ($0001 Direct Sal aries Materials and Services (Excluding ADP)

ADP Support Subcontracts Travel Expenses Indirect Labor Costs Other (Specify)

General and Administrative TOTAL .' -

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3. Provide the total amount of funds expended (costed) during the period and cumulative to date for each task (or each project).

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1/ If the recommended resolution involves a Work Order modification, i.e., change in work requirements, level of effort (costs), or period of performance, a separate letter should, be prepared and submitted to the Director, Division of Systens Integration, A TH: S. Boyd, and a copy provided to the HRR Project Fuarrora rd) A L SKaiGrn NRRo

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Meeting and Travel One one-day meeting each quarter in Bethesda to discuss performance and work

. progress should be planned and budgeted. -

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Three topical professional meetings on relevant topics should be planned and budgeted (one attendee).

NR'C Furnish'ed Materials The NRO will provide any documentation releyant to the above tasks. NRC will furnish copies of the latest relevant codes together with appropr.iate Users. Manuals and description of subroutines.

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PROPOSAL CONTENT - I TheJfo11owing items are requir d to prepare DOE proposals (NRC Form 189) - -

3roject Title - The title sho'ld u be a unique identifier of the project 'reflectinc a pneral icea of the encompassed work. In most cases, the title on the NRC Stateinent of lork (50W) should be used.

Sate of Proposal - Self explanatory; include _ revision number when app icable. ,

1RC Office - Indicate the NRC Office (s) supporting or requesting the work. *

IN Number and B&R Number . Indicate NRC's' FIN Number and B&R Numberbas provided 'on the 5tatement of Work. ,

30E contractor - Performing organization's name. -

31te - Indicate location (s) of organization that will perform the work.

%ntractor Ai: count and DOE B&R Number - Pruide the information for the highest level fcasible. -

Monizaist Personnel - NRC . Project Manage'r and oth'er NRC Technical Staff, if applicable; DOE 3roject Manage ; and, the performing organization's key personnel: Project Manager and _

)rincipal . investigator (s); and, FTS phone numbers for each; include resumer for contractor

)ersonnel .

)eriod of Performance.- Provide proposed date of commencement of work 'and best-estimated

.:ompletion date of the project. .

itaff-Years of Effort and Costs - Estimate costs to be incurred by DOE contractors and '

> ;ubcontractors. For consultants, provide the cost of the , services on a per staff-year of

'~cchnical Support basis. This shall include direct salary, indirect expenses and other-

eimbursable amounts; the cost shall also be stated on a per-day basis. ,

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.ist by fiscal year from start to completion of th'e project (FIN). Cost estimate will be

onsistent with DOE Manual 2200, the Pricing Manual, and shown in thousands of dollars.

- Staff-years of Effort (Laboratory personnel only):

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  • Direct Scientific / Technical -

Other Direct (Graded) .

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- Costs:

Direct Salaries (FTE's) - Indirect Labor Costs i

Material and Services (Excl. ADP) 1/ - Other (specify) i l

- ADP Support -

General and. Admin. Expense (_; %)

- Subcontracts - Total Operating Cost l - Travel Expense. - Capital Equip. (FINcharged'(_)

Total Project Cost j o Domestic -

o Foreign onthly Forecast. Expense - Provide the plannad monthly rate of costs for first year.. If not '

' nown at time of proposal submittal, this may be provided in the first monthly. business j etter report once the project is authorized. At the beginning of each subsequent year, nelude the planned monthly rate of costs for the ensuing year in the first monthly business etter report.

orecast Milestone Chart - Complete as shown on NRC Form 189.

coroval Authority - Proposal rust be signed by an appropriate laboratory or field etivity representative, Note: This individual may or may not be the sane person who dtr.s tne_ transmittal letter.

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. reject Description - P'rt. ,)de narrative descriptions of ..se followingiopics in the ord:t

.. Obiective of Procosed Work

a. Bacxoround - Provice a brief summary of the technical probTem, issue, or need s to orient the reader to the. requirements for the work or end project.,
b. Objective - State concisely the performing organization's understanding of.the oejective(s), i.e., what will be the end result (s). . -
2. Summary of Prior Efforts - Not applicable for NRR projects. .
3. a. Work Reauirements - Describe th' ".sks and subtasks to be performed in such a manner that a disinterested th1r_ party can understand what 1,s to be done and how it will be accomplished for the level o'f effort and period of performance

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proposed. Describe any assumotions being made pertinent to ,pe'rforming the work Provide criteria or other bases upon which evaluations, judgment or other actio

. will be taken. Describe potential problems and recommend solutions. State and describe separately any options being proposed that require NRC approval before proceeding.

b.

Meetiings and Travel - State the number of trips that the performing organ-ization will require to perform the work and identify where and how many people

[ hre expected to travel._If_no_traveLisaxpected or-required,-state-none;

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.DeicFibe~any foreign travel requirements; approval must be ob. tai'ned by processi NRC Form 445.

c. NRC Furnished Material - Specify any equipment (including ADP), background 'repo or data, or other specific materials required to be provided by NRC, or equipme be purchased. ,
4. Description of Any Follow-On Efforts - Not applicable for NRR projec.ts.
5. -Relationship to Other Projects - Identify related projects 'that either (1) generate information that will be needed to accomplish the work proposed under this project or (2) will use information generated by this project, and (3) support a conmon objective. _I_f. none,,s_o state o_n,the NRC Form 189. '
6. Reoorting Requirements - State the. number, type, and other content of the reports i

requested or proposed to be provided, to whom and whent' hey are to be submitted, I

i and, if requested by NRC, whether drafts will be provided prior to finalization.

[. Subcontractor Information - Identify the subcontractor or consultant and describe any effort that will be performed by a subcontractor or consultant, and reference

the ta_sk or subtask described under the work requirements that the subcontractor or L consultant effort will support. Any work performed by the subcontractor on behalf i , of the nuclear industry that might give rise to an apparent or actual conflict of i

interest must be described. If the subcontractor is not known at the time the proposal is being submitted, so indicate and describe status arid expected time frame 4

. for selection of the subcontractor (s) or consultant (s).

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8. New Capital Equipment Reauired - List all capital equipment which must be purchased b the performing organization to' perform the work described and provide the estimated c

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9. Special Facilities Required - Describe any new special facilities require $.
10. Conflict of Interest Information - Describe any significant contractual and organ-izational . relationships of the DOE and its. contractor on this proposal with industries regulated by the NRC (e.g., utilities, etc.) and suppliers thereof (e.g.,

architect engineers and reactor manufacturers, etc.) that might give rise to an apparent or actual conflict of interest. ,

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'j.'LL c BROOKHAVEN NATIONAL LABORATORY I [ f I' I' ASSOCIATED UNIVERSITIES, INC.

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Upton. Long Island. New York 11973 (516)

NS #282' 3317 Of6ce of the Director April 22, 1983 Mr. David Schweller, Manager Brookhaven Area Office U. S. Department of Energy Upton, New York 11973

Dear Mr. Schweller:

Enclosed is one copy of a proposal to the Nuclear Regulatory Commission entitled, ' Safety Evaluation of Core-Melt Accidents: Mark-I BWRs," FIN A-3706, being submitted for your review and approval. The proposal is being submitted in response to_a request from NRC_ dated-March-25r-4983.--Two-copiec hc c been sent to Mr. J. Maher, Department of Energy, one copy has been sent to Mr. B. L.

Grenier, Nuclear Regulatory Commission, and two copies have been sent to:

Ms. Sybil Boyd, Program Assistant Division of Systems Integration Mail Stop P-1102 U. S. Nuclear Regulatory Commission Washington, D. C. 20555

'Ihe total cost of this program is $265,000. This is a new program; no funds have been obligated.

This proposal has been prept 7d in accordance with the statement of work attached to the aforementioned letter. If there are any questions regarding the document, please call the principal investigator or Mr. A. J. Romano, FTS 666-4024, Department Administrator for the Department of Nuclear Energr.

Sincerely yours, H. C. Grahn Assistant Director for Financial Planning Enclosure cc: S. Boyd (2)

B. L. Grenier J. Maher (2) l

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