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, oi CAnderson MErnst EL-Bassioni AThadani DDandois GKnighton AD/T R/F RFrahm MRubin Mr. Raymond G. Romatowski, Manager Albuquerque Operations Office U. S. Department of Energy P. O. Box 5400 Albuquerque, New Mexico 87115
Dear Mr. Romatowski:
Subject:
Sandia Technical Assistance to the Division of Safety Technology, NRR, " Determination of Event Sequences Contributing to Overall Frequency of Core Melt" (A-1298) and " System Interaction Methodology Application - Phase II" (A-1295)
The enclosed NRC Fonn 173, " Standard Order for DOE Work," is hereby submitted in accordance with Section 111.8.2 of the DOE /NRC Memorandum of Understanding dated February 24, 1978.
FY 1982 funding authorization in the amount of $90,000 was transmitted by memo dated April 8, 1982 and $65,000 by memo of August 18, 1982. The purpose of this letter is to modify the SNL proposal dated liay 14, 1982 as changed by the Standard Order for DOE Work Nurber 20-82-567 dated August 18, 1982 and to transfer FY 1982 funds in the amount of $10,000 from FIN A1295 to FIN A1298.
This modification should be' included in the revised proposal for FIN A1298
-requested in my letter of August 18, 1982.
If you have any questions,concerning acceptance of this order, please contact Ms. J. Veillette on FTS 492-7932.
Sincerely, hgp2pgg3841002 Stephen H. Hanauec, Director SHOLLYB4-243 PDR Division of Safety Technology
- Office :;f nucler,r Re. actor Regulation Enc' ure:
! 1. f.C Form 173 '
- 2. Modification (A1298) l
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l R. Barber, DOE /HQ D. Davis, SNL RETYPED PER AGREEMENT BETWEEN J. FUNCHES AND S. HANAUER 9/28/82
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NRC pnM 173 u.s.rtuCtat.n Regutarcov c:MuissioN O~DERNUMBER
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STANDARD ORDER FOR DOE WORK SEP g g 1982 ISUED TO: lOOE Officol ISSUED SY: INRC Officol ACCOUNTING CITATION.
Albuquerque Operations Office of Nuclear Reactor Ap*Ro*R Anon smoc Office Regulation, DST 31X0200.202 S&R NUMSER PERPORnNNo ORoANizATioN ANo LOCATlON See attachment Sandia National Laboratory Pla avM esR Albuquerque, NM See attachment-WORK PeRiOO TwiS ORDER FIN TITLE ,
FIXED O ESTIMATED O See Attachment '",7attac 3 [$nt
- 08 LIGATION AVAILABILITY PROVIDED BY
A. THIS ORDER SO S.
gr,A,tArgDy,5,,P,tgD4RgRggigi,5 Dyr,EgrgEgR,r,OR,uggRgangz,AriOu ,2,601,000 "SSR NUMBER" CITE D ASOVE .
C. TOTAL ORDERS TO DATE (TOTAL A & SI .
22,601,000 - --
O. AMOUNT INCLUDED IN "C" APPLICASLE TO THE " FIN NUMBER" CITED IN THIS ORDER. SSee attachment -
FINANCI AL FLEXIBILITY:
O FUNDS WILL NOT BE REPROGRAMMED SETWEEN FINS. UNE D CONSTITUTES A LIMITATION ON OSLIGATIONS AUTHORIZE D.
3 FUNDS MaY SE REPROcRAMMED NOT TO EXCEED 210% OF FIN LEVEL UP TO $50K. LINE C CONSTITUTES A LIMITATION ~
d ON OSLIGATIONS AUTHORIZED.1/ SEE BELOW STANDARD TERMS AND CONDITIONS PROVIDED DOE ARE CONSIDERED PART OF THIS ORDER UNLESS OTHERWISE NOTED.
ATTACHMENTS:
1NE FOLLOWING ATTACHMENTS ARE HERESY SECURITY:
MADE A PART OF THIS ORDER MWORK ON THIS oMDER 15 NOT CLASSIFIED.
USTATEMENTOFWORK ( odification A1298) O WORK ON THIS ORDER INVOLVES CLAS$1FIED D ADDITIONALTERMS AND CONDITIONS INFORMATION. NRC FORM 187 IS ATTACHED.
4 OtoTHERTransfer of funds REMARKS inererence the prooeses or numsee end oere. and ino,cere or une erreened statement er ore medir,es the oOs oreoeeen:
This order transfers FY 1982 funds from FIN A1295 to FIN A1298 as delineated in the attachment. For FIN A1298, this order modifies the SNL proposal dated May 14, 1982 as. delineated in the attached, and requests that this modification be included in the revised proposal that was requested to de submitted by DOE Work Order Number 20-82-567 dated Auqust 18, 1982.
After acceptance, please send to the NRC Office of Resource Management, ATTN: D. Dandois ,
and provide a copy to the Office of Nuclear Reactor Regulation ATTN: D. Corley.
ISSUING AdJTHORITY , t i ACCEPTING ORGANIZATION
- $TeMI/n H. Hanaue@ k {py c'$~^*/'
/ IL-- 787tt TotIED rector, Divi n of Safety Te oqy 1 Reprograming limited to "^"
hanges on N $s7swith1 is-7 NRCPO in]the same B&R Number and the ame Appropriati n Symbol. In order for effective this ff otified within $ days so that an approprkhis ate k,llocatiN Form Ito b$e can issued and counkericesigne mubt tobe ,
- omplete the act-ion prior to receipt of any bills. '
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s' ATTACMINT TO DOE WORK ORDER HUMBER 20-82-708 9
PERIO[ OF PRIOR THIS '
REVISED PERFOR>ANCE OBLIGATIONS ORDER OBLIGATIONS FIN B&R NUMBER TITLE l
$10,000 $16S,000 10/1/81 - 12/31/82 $155,000 A1298-2 20-19-50-53-5 Determination of Event .
Sequences Contributing (Fixed) to Overall Frequency of Core Melt '
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. MODIFICATION TO " EVENT' SEQUENCES CONTRIBUTING TO FREQUENCY OF CORE MELT," FIN'A-1298
. Add Task 6 WORK REQUIREMENTS Task 6: Determine impact of unresolved safety issues upon systems important to risk.
<For the unresolved safety issues identified in the sub-tasks, an evaluation
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will .be' performed which estimates the impact of these issues on systems which.have been identified as important to risk through the methodology developed in Task 1. By investigating the systems which could potentially be impacted by the unresolved safety issues, the contractor will attempt to ' quantify the reduction potential in core melt frequency through resolution of the unresolved safety issue.
Sub-tasks:
Subtask 6a: For unresolved safety issue A-43, " Containment Sump Performance," the contractor will estimate the impact-of this
- issue on core melt frequency for Surry, Crystal River, and Calvert Cliffs. In perfoming this analysis the contractor will assume a failure for the recirculation sump due to insulation blockage
.and determine how this failure will impact the availability of-systems utilized in the plant PRAs. A range of failure probabilities will be assumed to arrive at the sensitivity of this issue upon core melt frequencies. Finally the contractor will estimate the impact which resolution of this issue will liave on core melt frequency and risk.
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, .. .,3 3, Subtask 6b: For unresolved safety issue A-1, " Water Hammer," the contractor will estimate the potantial impact of this issue upon core melt frequency. Through review of water hammer events, the contractor will determine if the occurrence of this event is sufficiently high to call into' question the reliability of systems which had been assumed previously in plant PRA studies. If the contractor and the staff agree that water hammer does have the potential for reducing the availability of systems found to be important to risk, the
_ _._ contractor. wi.11_ estimate _the_ impact-of thiupon- the core mel t frequencies of M111 stone,1, Sequoyah 2, and Browns Ferry 1.
Finally the contractor will estimate the potential impact of resolution of this issue.
Add to Reporting Schedule Technical Reporting
- 5. Upon completing the reviews of Task 6, submit two copies of a letter report to Mark P. Rubin, DST which details the results and conclusions of your analysis. The reports will be submitted on the following i
schedules:
Subtask 6a Draft Report 06/15/82 Final Report 07/10/82 Subtask 6b Draft Report 07/15/82 Final Report 09/20/82 L
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' Add to Level-of Effort and Period of Performance The-level of effort for Task 6 is .5 staff-years over a period of three months.
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NOTE TO: Bernard L. Grenier Technical Assistance Program Manager Technical Support Branch Planning and Program Analysis Staff, NRR
SUBJECT:
DISPOSITION OF ACCOUNTABLE PROPERTY /
EQUIPMENT UNDER FIN A 119B
. This is to inform you' that the property listed below was urchased/ transferred and is accountable under the subject project.'
p(Complete,asappropriate,tothedegreeknown.)
Model Serial Description Manufacturer Number Number Cost I recommend that the above property / equipment be disposed as follows,:
(Indicate below whether the above property should be:
- 1. transferred to another project: give FIN and the reason why needed for-
- new project;
- 2. returned to NRC for internal use; procedures set forth in MC 5201, Part IV A.d. must be followed; see B. L. Grenier; or,
- 3. disposed of in accordance with NRC procedures and regulations because you have no further use for it.)
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MODIFICATION TO FIN Al298
' CHANGE Technical Monitor:
Sarah Davis . FTS 492-7546 CHANGE Business Letter Report:
DELETE M. Ernst, DST ADD. F. Rowsome, DST ,
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