IA-84-243, Std Order for DOE Work: Determination of Event Sequences Contributing to Overall Frequency of Core Melt, Issued to Sandia Natl Labl

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Std Order for DOE Work: Determination of Event Sequences Contributing to Overall Frequency of Core Melt, Issued to Sandia Natl Labl
ML20127N659
Person / Time
Issue date: 04/08/1982
From: Hanauer S
Office of Nuclear Reactor Regulation, SANDIA NATIONAL LABORATORIES
To:
Shared Package
ML20127A418 List: ... further results
References
CON-FIN-A-1298-2, FOIA-84-243 NUDOCS 8505230604
Download: ML20127N659 (7)
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STANDAhD ORDER FOR 00L WORK g, , g I 1%UE01O. IDOE Of fic88 ISSUEO HY ffvRC Ollical ACCould flNG CIT AllON

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Albuquerque Operatior. ')ffice Office of Nuclear Reactor 3h0200.202 Regulation, DST 34R NUMtse H PERFORMING ORGANIZATION ArdQ LOCATION 20-19-50-53-5 Sandia National Labor.: .ory nNNUuma Albuquerque, NM A1298-2 WOlll K PE RIOO . THIS OR DE R FIN TITLE FIXED [3 ESTIM ATED EA Determination of Event Sequences Contributing to Overall *

,nou. yo Frequency of Core Melt 03/15/82 12/15/82 08 LIGATION AVAILABILITY PROVIDED BY:

A THIS ORDER S 90,000 0 TOTAL OF ORDER $ PL ACEO PksOR TO THIS DATE WITH THE PERFORMING ORGANIZATION SM PPH ATION SYMBOL" AND THE FIRST FOUR DIGITS OF THE 5 650,000 UNgR l C TOTAL ORDERS TO DATE ITOTAL A Bi 81 5 740,000 0 AMOUNT INCLUDEDIN "C" APPLICABLE TO THE " FIN NUMBrR" CITED IN THIS ORDER. S gg,QQQ ,

FINANCIAL FLEXI8ILITY.

D FUNDS WILL NOT BE REPp0GRAMMED BETWEEN FINS LINE D CONSTITUTES A LIMITATION ON OSLIGATIONS AUTHORIZED.

@ FUNDS MAY BE REPROGH At.'MED NOT TO EXCE ED 210% OF FIN LEVEL UP TO SSOK. LINE C CONSTITUTES A LIM 6TATIO*.

ON OSLIGATIONS AUTHO*1 ZED. 1/ SEE BELOW .

STAN7ARD TERMS AND CONDITIONS PROVIDED DOE ARE CONSIDERED PART Or THIS ORCER UNLESS OTHERWISE NOTED.

ATTACHMENTS.

THE FOLLOW 6NG ATTACHMf'd?S ARE HERESY SECURITY:

MADE A PART OF THis ORDF 4 Q WOR K ON THIS OR DER IS NOT CL ASSIFIE D D STATEMENT OF WOR K O WORK ON THIS ORDER INVOLVES CLASSIFIED Q ADDITIONALTERMS Af4D CONDITIONS INFORMATION NRC FORM 187 IS ATTACHED D OTHER

,CEMAIKS: l l This order provides incremental funds for initiation of work in accordance with the I attached Statement of Work and requests that a proposal be submitted within 60 days.

Please provide a copy of the proposal to B. L. Grenier, NRR.

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8505230604 841002 PDR FOIA SHOLLYB4-243 PDR After acceptance, please send to the N'C Office of the Controller ATTN: 0. Dandois, and provide a copy to the Office of Nuhlear Reactor Reaulatien. AYTN! D. Cnelev

\ _JSSUING AUTHORITY  ; ACCEPTING ORGANIZATION ng \/ @: %A - u SIGN ATUR(

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Divistdn of Safety Technology

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ha:nges on FINS iiithin 4he same B&NcsoRMmirTai1/Reprograminglimite@to nd the same Appropriatur,n Symbol.R Num. sarin order for this reallocation to be effective t.is ffice must be notified within 5 days so that an appropriate NRC Form 173 can be is,suec an:,

nunter-signed to conple.'te the action priar to receipt of any bills.

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Encle:,tre 2 PF.0POSAL CO.*iTENT The minimum items required in all proposals are:

1. Perfoming organizat'on's name and location.

. 2. FIN Title, FIN Number, and B&R Number (NRC's) (as on statement of work).

3. Perfoming organization's key personnel, program manager, or principal investigator, their resumes and FTS phone number.
4. Background'(definition of the problem including the objective (s) to be attained). ,

5, Work to be perfonned (Provide a concise description bf tasks to be --

perfomed and espected restrits-forthe period of perfomance. -Note technical data requirements, potential problems, and other technical information needed to fully explain the effort. Highlight changes from .

prior authorized 50W's, if any, identify changes in perfomance, schedule, or costs). .

6. Identify' major subcontracts, including consultants.
7. Costs estimated to be incurred by DOE contractors, subcontractors, and consultants. List by fiscal year to completion:
a. Manyears of Technical Support (MTS)
b. Costs: _

(1) Direct Salaries (Labor) for MTS (2) Material and Services (excluding ADP)

(3) Total ADP Support (4) Subcontracts * *

(5)e Capital Equipment (6) Direct Travel Expense (Foreign travel must be shown separately)

(7) General and Adninistrative Expense (Include indirect labor cost)

c. Total Estimated Costi 8,

Forecasts:

c. Milestone Chart for accoc.p11shing the work.

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b. Planned monthly rate of costs for fir t fiscal year. Thi:, r3y
  • Le provided with the first re;> art of an authorized progra if not known at time of proposal sute.ittal. At the beginning of each subsequent year, reports shculd include the planned r.onthly rate of costs for the ensuing year.
9. Conflict of Interest:

In order to assist the Connission in its evaluation, the DOE Contracting ,

Officer shall describe any significant contractual and organizational relationships of the DOE, its contractor, their employees, or expected subcontractors or consultants 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.

10. Reporting Requirements (as on statement of work).

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. , STATEMENTJJ W1FK

Title:

Determination of Event Sequence; Contributing to Overall Frequency of Core Melt FIN: A129 8 B&P, No: 20-19-50-53-5 Technical Monitor: Adel El-Bassioni (FTS492-7646)

Cognizant Branch Chief: Ashok Thadani (FTS 492-8907) 3ACKGROUND A number of previous and current studies include evaluation of risks to the general public associated with nuclear power plants operation. Techniques used in these studies as well as their conclusions about public risks can be used as a starting point to conduct sensitivity studies aimed at the evaluation of the relative impact of proposed safety requirements on the overall risk to the public.

OBJECTIVE The objective of this project is to identify and rank systems and event .

sequences according to their contribution, to the overall frequency of core celt, and .to some measure of risk.

WORK REQUIREMENTS Task: Determine systems and event sequences with significant contribution to core melt / risk.

Estimated level of effort: 1.8 staff years.

For each plant PRA study, Conduct sub-tasks a. through e. For each plant PRA study, show review results (including estimates of associated uncertainties) of sub-tasks d. and e. Integrate the results of all 12-15 reviews into a final report with detailed interpretation.

Subtasks:

Subtask a. - Review IREP studies and RSSMAP to determine the event sequences with significant contribution to the overall frequency of core melt. The review should focus on porcions of the IREP studies and RSSMAP not previously examined under FIN A1297. (Also identify the high risk contributors whenever such information is available.) Where preliminary data and/or results are utilized, the report should so indicate.

Subtask b. - Upgrade the methodology developed during contract covering FIN A1297 by taking advantage of experience gained during that contract.

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the frequency of core melt and/or rist.). For each ot the t sequences identi fy the main (front line) systems ainl '.up;, c*,,

and . interfacing systems involved in the sequence, and provide fault trees (or any. equivalent logic presentation) to represent the role played by each system in the sequence as well as dependencies among these systems.

Subtask d. - Perform sensitivity analyses to identify systems in each sequence for which availability improvement can have the greatest impact on core melt frequency / risk for the sequence.

Subtask e. - Use conclusions drawn from Subtask d to identify those syste: s with the largest irpact on core melt frequency / risk associated with the studied sequences. ,

= A total of 12-15 plant PRA studies will be reviewed assuming that this number of studies is made available in adequate form for analyses before the end of FY82. Candidate st_udi.es for_ FY82 are: Grand Gulf, Crystal River, Sequoyah,

~ Big ~~ Rock P6fnt, Atl0-1, Calvert Sliff s (RSSMAP), Calvert Cliff s (IREP), Browns Ferry, Millstone Limerick, Zion and Indian Point.

LEVEL OF EFFORT AND PERIOD OF PERFORMANCE -

The level of effort is estimated at 1.8 staff years over a 9-month period.

MEETINGS AND TRAVEL Three (3) one-day meetings .in NRC headquarters in Washington, D.C. and one (1) meeting at Sandia headquarters in Albuquerque, New Mexico.

NRC FURNISHED MATERIALS N/A REPORTING' REQUIREMENTS Technical Reporting

1. Upon cepleting review of each plant specific PRA study, submit two copies :#

a letter report to A. El-Bassioni DST, which outlines the results and con-clusions of your review.

2. Upon completing reviews of all the plant specific PRA studies, submit a fins' report in NUREG format which provides a comparative analysis of all the evahsted studies and details overall results and conclusions.

Draft October 1982 Two copies Final November 1982 Two copies L

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I ::.onthly butir.::: h.:, - report will be submitted by the 15th v t e- month

  • o 'ne Project f'anece .<i 6 copies provided to the Director, Isivui of lafety Technology, ATT'.: J. Veillette, A. El-Bassioni, DST and Mr. B. L. Grenier, NER. These reports will identify the title n' tr <;

project, the Flil, the Frincipal Investigator, the period of perior,a."e, and the reporting pericd ar.d will contain 2 sections as follows:

Project Status Section

1. A listing of the ef forts c6mpleted during the period; milestone.

reached, or if missr:d, an explanation provided.

2.

Any problems or dpays encountered or anticipated and recor:nendations for resolution.

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

Financial Status Sectic, -

1. Provide the total cost (value) of the project as reflected in the proposal and the total amount of funds obligated to date. .
2. Providethetotalamountoffundsexpended(costed)duringtheperiod and total cumulative to date as follows:

Period Cumulattse

a. Labor-related costs
b. Computer services
c. Travel
d. Subcontracts
e. Equipment Total ( Y) 2_/

I/ If the recocinended resolution involves a contract modification, i.e.,

change in work requirerents, level of effort (costs), or perice cf performance, a sesarate letter should be prepared and submittec to the Director, Division of Safety Technology, ATTN: J. Veillett.e.

and a copy provided to the Project Manager and B. L. Grenier, hn. ,

2] Provide percentage against total funds obligated to date.

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e -LOGGED IN: 8/5/82 s TITLE (FIN): SNL, " Determination of Event Sequences Contributing to Overall Frequency of Core Melt," (A1298)

DUE DATE: .8/6/82 ACTION COMPLETE: L NRR CONTRACT FILE NEEDS:

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TECHNICAL ASSISTANCE ACTION / ACCOUNTING / REMARKS: p g ng.: if . G. 'u = 6 '> (.L..d - a ~J t- nr Ai292 Nolo 6

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Ar% c N2 l c l Mr. Raymond Romatowski, Manager Albuquerque Operations Office U.S. Department of Energy P.O. Box 5400  ;

Albuquerque, NM 87115

Dear Mr. Romatowski:

SUBJECT:

SANDIA LABORATORIES TECHNICAL ASSISTANCE TO THE D VISI0f! 0F SAFETY TECHNOLOGY, NRR, flRC, " DETERMINATION OF EVENT SEQUENCES CONTRIBUTIllG TO OVERALL FREQUENCY OF CORE NELT6 l The enclosed NRC Fom 173, Standard Order for DOE Work, is hereby submitted in accordance with Section III. B.2 of the DOE /NRC Memorandum of Understanding dated February 24, 1978.

Funding authorizition in the amount of $90,000 to begin work imediately on the enclosed Statement of Work, which has been discussed with Mr. Hickman of Sill, is provided herein. The balance of funds required for project completion will be provided incrementally after receipt of an acceptable proposal.

Standard terms and conditions for flRC work, as provided in the DOE /NRC Memorandum of Understanding of February 24, 1978, and described in tiRC 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 Slll have a professional assigned to the contract who is qualified to defend the results.

Also, prior approval by me in writing is required before initiatioh of any subcontractor effort. Please submit a proposal containing, as a minimum, the information set forth in Enclosure 2 Proposal Content, in the format of the Statement of Work within 60 days to:

J. Ve111ette, Program Assistant Division of Safety Technology, NRR U. S. Nuclear Regulatory Comission Washington, D. C. 20555 If you have any questions concerning the acceptance of this order, please contact J. Veil &ette on 492-9732.

g Sincerely, /

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gsU O 2 ObQ Stephen H. Hanauer, Director Division of Safety Technology Office of Nuclear Reactor Regulation Mo sunnush s"HW R psyFd- _ . _ ge.;_"____'

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Enclosures:

DISTRIBUTION:

1. NRC Form 173 2 Proposal Content Central File
3. Statement of Work DST R/F RRAB R/F S. Hanauer cc: R. Barber, HQ-DOE M. Ernst D. Davis, Sandia A. Thadani A. El-Bassioni J. Veillette .) '

B. Grenier (NRR Contract File)

D. Dandois, CON (173 Only) '

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STAi."sADD ORDER FOR DOE WORK l',jli; ,L- a?

I!.' UED TO r.AE Of fics ISSUED BY . H L . .. e . . ACCOUNTING C11 A11.. . .

Albuqueraue Operation: Office Office of Nuclear Reactor ~3M0200.20c

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Regulation. DS ,,,,,u ,,c, q j PEEFORMING ORGANIZATION AND LOCATION 20-19-50-53 'i j j Landia National Laboratory riMauueca ~.  :

' Albuquerque, NM A1298-2 l t WOR K PERIOD . THIS OHlu n l FIN TITLE . FIXED 0 ESilM A ll l3.1. .'

Determination of Event Sequences Contributing to Overall '

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Frequency of Core Melt 03/15/82 12/lb/: l OSLIGATION AVAILABILITY PROVIDED BY: i A THIS ORDE R S 90,000

~l i 8 TOTAL OF ORDERS PL ACED PRIOR TO THIS DATE WITH THE PERFG iMING ORGANIZATION R ATION SYMBOL" AND THE FIRST F0; R DIGITS OF THE $

650,000

""B A"NME ee SAM , ae Rls , _

i C: TOTAL ORCERS TO DATE ITOTAL A & B) S 740,000 D AMOUNT INCLUDED IN "C** APPLICABLE TO THE ** FIN NUMBER" CITED IN THIS ORDER. S 90,000 .

FIPIANCI AL FLEXIBILITY:

C FUNDS *.*.1LL NOT BE REPROGRAMMED BETWEEN FINS. LINE D CONSTITUTES A LIMITATION ON OBLIGATIONS AUTHORIZED. .

8 FUNDS *AAY DE REPRGGR AMMED NOT TO EXCEED 210% OF F:*. LEVEL UP TO 550K LINE C CONSTITUTES A LIMil Al e'.'.

ON ORLIGATIONS AUTrtCRIZED. 1/ SEE BELOW STANDARD TERMS AND CON 0tTIONS PROVIDED DOE ARE CONSIDEREO PART OF THIS ORDER UNLESS OTHERWISE NOTED.

ATTACHMEf3T1 -

THE FOLLOWING ATTAC@E*JTS ARE HEREBY SE CU AITY t.9ADE A PART OF THIS OFDE R: G WORK ON THIS ORDER IS NOT CLASSIFIED

$1 ST ATE MENT OF WOS < C WORec ON THIS ORDER INVOLVES CL ASSifli .*

C. ADUlTIONALTERMS AND CONDITIONS I N F O A M ATION NRC FORM 187 IS ATTACHF 0 C.OTHER l

EE M ARKS This order provides incremental funds for initiation of work in accordance with the-attached Statement of Work and requests that a proposal be submitted within 60 day:.

Please provid_e a cc?y of the proposal to B. L. Grenier, NRR.

(JC/ y After acceptance, please send to the NRC Office of the Controller ATTN: D. Dandoit.,

and provide a copy to the Office of Nuclear Reactor Reaulation. AYTN! D. Cnclev

\ AssulNG AUTHORITY , ACCEPTING ORG ANIZATION TeMEn H/dabkheI'Er i.i.e t [  : r.6 f '

Divisio/n of Safety Technology NnC s .uiu i72 - 7si 1/ Re:rogramming limited to " ' '

hanqesonf[Nswithir.tne ame &R umbe

- nd the same ApproDriation mbo . n or er for this reallocation to e effective, it 1*

ffice must be notified wit in 5 days so that an apprcpriate NRC Form 73 can be issue' M:

ounter-signed to cor;!ete the action prior to receipt of any bills.

850SO366D'l

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Enclosurc 2 PROPOSAL CO.'iTENT The minimum items required in all proposals are:

1. Performing organizat*on's name and location.
2. l FIN Title FIN Number, and B&R Number (NRC's) (as on statccent of work).
3. Performing organization's kby personnel, program manager, or principal investigator, their resumes and FTS phone number.

4 ~. Background'(definition of the problem including the objective (s) to be attained). ,

E- Hork to ha performed _(Provide a concise descr.iption_of_tasFLto.be _ _

perfonned and expected results for the period of perfonnanc'e. Note technical data requirements, potential problems, and other technical information needed to fully explain the effort. Highlight changes'from -

prior authorized 50W's, if any, identify changes in perforcance, schedule, or Costs).

Identify major -subcontracts, including consultants.

6.

' 7. Costs estimated to be incurred by DOE contractors, subcontractors, and consul tants. List by fiscal year to ~ completion:

a. Manyears of Technical Support (MTS)
b. Costs: -

i (1) Direct Salaries (Labor) for MTS (2) Material and Services (excluding ADP)

(3)' Total ADP Support (4) Subcontracts

(5)
Capital Equipment

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!, (6) Direct Travel Expense (Foreign travel must be sho9 separately)

(7) General and Ad:ninistrative Expense (Include indirect labor cost)

c. Total Estimated Costi
8. . Forecasts:

i l -0. Milestone Chart for accomplishing the wrk.

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.Tlanned monthly rate of costs for first fiscal ye.:r. T his r:2y b.

be provided with the first report of an authorized program if not known at tire of proposal submittal. At the beginning of each subsequent year, reports shculd include the planned conthly rate of costs for the ensuing year.

9. Conflict of Interest:

In order to assist the Comission in its evaluation, the DOE Contracting '

Officer shall describe any significant contractual and organizational relationships of the DDE, its contractor, their employees, or expected sub:ontractors or consultants 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.

10. Reporting Requirements (as on statement of work).

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Ti tle: Deter :ination of Even: Sequences Contributing to Overall Frecuency of Core Melt FIN: Al?5 3 BT,R No: 20-19-50-53-5 Technical Monitor: Adel El-Bassioni (FTS 492-7646)

Cognizant Branch Chief: Ashok Thadani (FTS 492-8907) 3ACKGROUND A number of previous and current studies include evaluation of risks to the g:neral public associated with nuclear power plants operation. Techniques used in these studies as well as their conclusions about public risks can be used as a starting point to conduct sensitivity studies aimed at the evaluation of the relative impact of proposed safety requirements on the overall risk to the public.

OBJECTIVE The objective of this project is to identify and rank systems and event .

l sequences according to their contribution, to the overall frequency of core melt, and to some measure of risk.

WORK REQUIREMENTS Task: Determine systems and event sequences with significant contribution to core melt / risk.

Estimated level of effort: 1.8 staff years.

Fcr.each plant PRA study, Conduct sub-tasks a. through e. For each plant PRA study, show review results (including estirates of associated uncertainties) of sub-tasks d. and e. Integrate the results of all 12-15 reviews into a final recort with detailed interpretation.

j Subtasks:

Subtask a. - Review IREP studies and RSSMAP to determine the event sequences with significant contribution to the overall frequency of core melt. The review should focus on portions of the IREP studies and RSSMAP not previously examined under FIN A1297. (Also identify the high risk contributors whenever such inforr.ation is available.) Where preliminary data and/or

! results are utilized, the report should so indicate.

Subta'P b. - Upgrade the methodology developed during contract cevering FIN A1297 t./ taking advar.tage of experience gained c; ring that contract.

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the freuency of core melt and/r,- risk). For eacn of these sequence', identify the main ( f rt,-t line) systems and !.upport and interfacing systems involved in the sequence, and provide fault tree, (or any equivalent icgic presentation) to represent the role played by each system ir. the sequence as well as dependencies among these system,.

Subtask d. - Perform sensitivity analyses to identify systems in each

. sequence for which availability inprovement can have the greatest impact on core melt frequency / risk for the sequence.

Subtask e. - Use conclusions drawn from Subtask d. to identify those systems with the largest impact on core melt frequency / risk associated with the studied sequences.

A total cf.12-15 plant PRA studies will be reviewed assuming that this number of studies is made available in adequate form for analyses before the end of FJ82,_ fandjdate_studiae fre EYS2 are w - Grand Gulf, Crystal River, Sequoyah, .

. Big Rock Point, ANO-1, Calvert Sliff s (RSSMAP) Calvert Cliffs (IREP), Browns Ferry, Millstone, Limerick, Zion and Indian Point.

LEVEL OF EFFORT AND PERIOD OF PERFORMANCE The level of effort is estimated at 1.8 staff years over a 9-month period.

MEETINGS AND TRAVEL Three (3) one-day meetings in NRC headquarters in Washington, D.C. and one (1).

meeting at Sandia headquarters in Albuquerque, New Mexico.

'NRC FURNISHED' MATERIALS N/A-REPORTING REQUIREMENTS Technical Reporting

1. Upon completing review of each plant specific PRA study, submit two copies of a letter report to A. El-Bassioni, DST, which outlines the results and con-clusions of your review.
2. Upon completing reviews of all the plant specific PRA studies, st.bmit a final report in NUREG format which provides a comparative analysis of all the evaluated studies and details overall results and conclusions.

Draft October 1982 Two copies Final November 1982 Two copies

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A monthly Lusiness ietter report wili tr sunittet b/ the IL- '/ *. : a w ::.

t<> the I>roject F'.anacer with copies provided to the Picectur, .: W en -'

. Safety Ter.hnology, ATTU: J. Veillette, A. El-Bassioni, 05T ar -

Mr. ' B. L. Grenier, fiFF., These reports will identify the title c' the project, the FIft, the Principal Investigator, the period of perfornanco, and the reporting period and will contain 2 sections as folloas:

Project Status Section

1. A listing of the efforts completed'during the period; milestenes reached, or if missed, an explanation provided. .
2. Anyproblemsordpaysencounteredoranticipatedandrecc~endations for resolution.
3. A summary of progress to date (this may be expressed in tems 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 proposal and the total amount of funds obligated to date.
2. Provide the total amount of funds expended (costed) during the period and total cumulative to date as follows:

Period Cumulative

a. Labor-related costs
b. Computer services c.. Travel
d. Subcontracts
e. Equipment Total ( i) 1/

-I/ If the recommended resolution involves a contract modificatice, i.e.,

change in work requirements, level of effort (costs), or perio: of performance, a separate letter should be prepared and submitted to the Director, E>ivision of Safety Technology, ATTN: J. Veillette, and a copy provided to the Project Manager and B. L. Grenier, NER. ,

_2/ Provide percentage against total funds obligated to date.

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