AD-A257 729 - DTIC
AD-A257 7294STRUCTURED ANALYSISLSA TASK 303EVALUATION OF ALTERNATIVES& TRADE-OFF ANALYSISSUBTASK 303.2.7LEVEL OF REPAIR ANALYSISAPJ 966-210MILITAR1St SCIENTIFICRESEARCH034l92-28779I 1]Ii!I ! I l
SECURITY CLASSIFICATION OF THIS PAGEFormApprovedREPORT DOCUMENTATION PAGEla. REPORT SECURITY CLASSIFICATIONOMB No. 0704-0188lb. RESTRICTIVE MARKINGSUNCLASSIFIED2a. SECURITY CLASSIFICATION AUTHORITY3. DISTRIBUTION /AVAILABILITY2b. DECLASSIFICATION /DOWNGRADING SCHEDULEUNLIMITED4. PERFORMING ORGANIZATION REPORT NUMBER(S)5. MONITORING ORGANIZATION REPORT NUMBER(S)6a. NAME OF PERFORMING ORGANIZATION7a. NAME OF MONITORING ORGANIZATIONAMCCOM,Army6b. OFFICE SYMBOL(If applicable)OF REPORTAMSMC-MAE-EA6c. ADDRESS (City, State, and ZIP Code)7b. ADDRESS (City, State, and ZIP Code)Rock Island ArsenalRock Island, IL61299-60008a. NAME OF FUNDING/SPONSORINGORGANIZATION8b. OFFICE SYMBOL(If applicable)9. PROCUREMENT INSTRUMENT IDENTIFICATION NUMBER8c. ADDRESS (City, State, and ZIP Code)10. SOURCE OF FUNDING NUMBERSTASKPROJECTPROGRAMNO.NO.ELEMENT NO.Analysis of11. TITLE (Include Security Classification)StructuredtheLogisticWORK UNITjACCESSION NO.Support Analysis(LSA) Task, Evaluation of Alternatives and Trade-Off Analysis,303.2.7, "Level of Repair Analysis",(APJ 966-210).Subtask12. PERSONAL AUTHOR(S)DULCOS,RONALD13a. TYPE OF REPORTFINALSHEPHERD,NED13b. TIME COVEREDFROMkmk14. DATE OF REPORT (Year, Month, Day)IAugustTO15. PAGE COUNT165198,816. SUPPLEMENTARY NOTATION17.FIELDCOSATI CODESGROUPSUB-GROUP18. SUBJECT TERMS (Continue on reverse if necessary and identify by block number)STRUCTURED ANALYSIS,LOGISTIC SUPPORT ANALYSIS,LSA, PROCESSES, DATA FLOWS, DATA STORES, EXTERNALENTITIES, PROCESS FLOWS, INTEGRATED LOGISTIC over19, ABSTRACT (Continue on reverse if necessary and identify by block number)This report is one of a series presenting the Structured Analysis for theLogistic Support Analysis (LSA) Task and the Integrated Logistic Support(ILS) Element.Included is the System Analysis for the LSA Subtask 303.2.7,"Repair Level Analysis (RLA)"(sometimes referred to as "Level Of RepairAnalysis (LORA)"), with the corresponding description of the processes, dataflows, data stores, external entitiesinvolved on each.An overview of theStructured Analysis and itsplace in the overall systems development processis also presented, as well as a guide to the overall RLA process of the LSATask analysis procedures, and a brief working description of the StructuredSystems Analysis fundamentals.20. DISTRIBUTION /AVAILABILITY :UJNCLASSIFIED/UNLIMITEDOF ABSTRACT0 SAME AS RPT.22a. NAME OF RESPONSIBLE INDIVIDUALNED SHEPHERDDD Form 1473, JUN 860DTIC USERS21. ABSTRACT SECURITY CLASSIFICATIONUNCLASSIFIED22b. TELEPHONE (Include Area Code) I 22c. OFFICE SYMBOL(309)Previouseditionsare obsolete.782-2479AMSMC-MAE-EASECURITY CLASSIFICATION OF THIS PAGE
18.I'SUBJECT TERMS - continued:PROCESS,DEVELOPMENTSYSTEMSSUPPORT , OVERALLLORA.ANALYSIS,RLA, LEVEL OF REPAIR4REPAIR LEVEL ANALYSIS,
APJ 966-210STRUCTURED ANALYSISLSA TASK 303EVALUATION OF ALTERNATIVES& TRADE-OFF ANALYSISSUBTASK 303.2.7LEVEL OF REPAIR ANALYSISAce, Q. 13 CzsrrV/borEli.underCONTRACT DAAA21-86-D-002 5forHQ, US AMCCOMINTEGRATED LOGISTIC SUPPORT OFFICEAMSMC-LSPROCK ISLAND, ILAMERICAN POWER JET COMPANYFALLS CHURCH, VAFT. EUSTIS, VARIDGEFIELD, NJFALLSTON, MDAUGUST 1988El
FOREWORDAPJ,under contract to HQs,AMCCOM,has initiated theautomationoftheLSATasks (MIL-STD-1388-1) and theassessment of the ILS elements (AR 700-127).A major goal isto unify military and contractor approach to the performanceof ILS and LSA.Detailed to meet all requirements of ILS and LSA, theautomated process will continue to provide the flexibility inselecting tasks and elements to be addressed at each lifecycle stage.A major advantage of this approach is to insurethat application of each task element isconsistent withprescribed Army policies and procedures.This report isone of a series presenting the StructuredAnalysisof each LSA Task and ILS Element.StructuredAnalysiscomprisesadescription of the process beingautomatedintermswhich facilitate system design andsubsequent programming.Itisincreasingly the preferredapproach in both industry and Government.This Technical Note reports on the Data Flow Diagrams(DFDs)of LSA Task 303.2.7,"Repair Level Analysis (RLA)"(sometimes referred to as "Level Of Repair Analysis (LORA)")and provides definitions of the processes, data flows, datastores,and external entities involved on each DFD (Annexes Aand B).The report provides an overview of the LSA Taskanalysis procedures and a guide to the overall RLA process.To view this work in context, this report also presents abrief overview of Structured Analysis and its place in theoverall systems development process.Additionally, Annex Cprovides a brief working description of the Structured SystemsAnalysis fundamentals.The overview and certain portions ofthe introductory text are repeated verbatim in every report inthis series so that each one can stand alone.
STRUCTURED ANALYSIS - LSA SUBTASK 303.2.7RAPAIR LEVEL ANALYSISTABLE OF CONTENTSTITLEPAGE1Purpose .Background. .1LSA Subtask 303.2.7 Description .3Approach .5Structured Analysis and Design.LSA Subtask 303.2.7 Data Flow6Diagrams .9ANNEX A:LSA Subtask 303.2.7 -RepairLevel Analysis (RLA)Description .A-1ANNEX B:Subtask 303.2.7 - Data Flow Diagramsand Data Dictionary .ANNEX C:Structured Systems AnalysisB-1-Fundarfentals .GLOSSARY .C-1. . .G-1LIST OF FIGURESFGRNO12TITLEStructured Analysis andStructured Systems DesignOrganization .PAGE8Standard DFD SymbolDefinitions .iii11
STRUCTURED ANALYSIS - LSA SUBTASK 303.2.7RAPAIR LEVEL reportseriesistopresent theof the APJ efforts under Contract DAAA21-86-D-0025 forcoordinationstructured"Repairwith the AMCCOM Program Manager prior to ons and processes.(LSASubtask303.2.7)isaddressed in this gisticcontroltotheofoverHQsof the LSA ,"Integrated"LogisticSupportaction to structurethethedetailed processes to insureconsistency with current Army policies, procedures,techniques.agencythe assessment of each ILS element,andforand
ated(undertakenaby AMCCOM and APJ) will turewhichamong all participants in the logisticcanofbeprocess toarrive at common understanding and lysisSubtasktheRepairresultsoftheLevel Analysis (RLA),LSA303.2.7 and presents the associated Data Flow entitiesfromthe Structured ,names,data flows, data stores, and externalincludedcompleteness.toThe portionsinDatatheirDictionarypresentisdegreeofa "living document"that evolves through the analysis and design tructuredAnalysisthis report presents aand its place in theoverallsystemsnotfully briefed on the symbols and conventions used.isbesupportedbydesignAnnexprocessC,to assist the reader who maywhichstructured analysis, and a glossary.2defineseachelementItin
LSA SUBTASK 303.2.7 DESCRIPTIONLSA Subtask 303.2.7 concernsLevelAnalysis(RLA)fora specific equipment or system andall of its major mademust(RLA)thefailed item.tothe development of a Repairormostand parts.isadecision-makingcost-effectiveactionsThe decisions that are requiredthetodecisionregardingfailed equipment,discardisthemto repair,theassembles,andpurchasethen a furtherechelon at which eachmaintenance function should be performed.Tohaveassist in making these decisions,beenmade available:two computer programsThe Interactive Palman Model (IPM)and the Optimum'Supply And Maintenance Model (OSAMM).ThebetweenPalmanaevaluatesthebreakeven purchase costrepair and discard concept.The program oint based on various cost factors impacted byof expected deployments.procuringisanitemconsideredprocuring cost isaIfexceedscandidatethe actual or expectedtheformodeloutput, therepair;ifless, then discard should be considered.3the
Theevaluationperformedby the model provides the analystwith the following:- A table of values for breakeven cost vs. number ofend items- An analysis of repair policy cost per failure withbreakdown of the elements and their percentagecontribution to the overall cost (reveals cost"drivers")- A sensitivity analysis to isolate critical,significantly impacting decision variables.TheOSAMM(organization,aidsin determining at which maintenance d be performed.repairand supply tionalreadinesslevelrear,orThe twodecisionareMaintenance requirementsand specially trained repairmen thatdeployed to support repair.ofintermediatesparesinobjective.Supply istheThefieldtoOSAMMconcerned withachievethedetermines theoptimal maintenance/support task distribution.TheRLAtaskdefinitionspresented as Annex A.4fromMIL-STD1388-lAare
APPROACHThe APJ approach to structured design of the LSA is:1.Scope the process defined in MIL-STD-1388-IA inthe context of the other LSA tasks.2.Review the guidance provided in AMC PAM 700-11,"Logistics Support Analysis Review Team Guide".3.Review the applicable Data Item Descriptions(DIDs)from the Acquisition Management Systems and DataRequirements Control List (AMSDL) published by the Departmentof Defense.4.Review all source documents referenced in theAMSDL as applicable to the referenced DIDs of interest.5.analysis toaddressed.Applyassurestaff experiencethat the intentinoflogistics supportthe task has been6.Validateresultsindiscussions with Armyactivities and personnel directly involved in the applicableor related LSA furtherpreparationofDataFlowassisted by the application ration,names,AnalysisLicensed by Index Technologyprovidesforautomated tracking ofdescriptions, multiple levels of detail in thediagrams,andindustrystandardsin symbols anddiagramming cianswereofthe draft DFDs,madeavailablethe diagrams andtoworkingArmycurrently (or recently) directly involved in the5
the same LSA tasks in current Army elative to the logic ofscopedetailsandoftheoutputs implied by the LSA taskand ltherequests have been made for copies of the DFDsandreviewers,wellin organizing ILS and LSA efforts.useCommentforin-housewasalso received that the DFDs will be a useful training tasktotalaprovide an overalltheyuniformapproach to itsfulfillment.STRUCTURED ANALYSIS AND DESIGNStructuredneedthefromofconceptdemonstrateand requirementsAnalysisofaofthelarge systems.user's needs.thebythenprovidesaprogramming,ItThea logicalusing graphic techniquesand designers to get a clear andpicture of the system and how its parts fitcommonunderlyinginvolves buildingsystem,enable users, ical)meettofunctionslogicaland Structured Systems Design evolvedAnalysisis followed byandtogether tostructured design,test and validation.Annex Cbrief description and guide to the fundamentals ofa Structured Systems Analysis.6
TheStructuredandStructuredDesignSystemssometimes referred to as "Structured Systems Analysisprocess,andAnalysisDesignis(SSAD)",well documented and widely utilizedinGovernment and industry.AsstatedDesign"NJ,(Meilirin"ThePractical Guide to Structured SystemsPage-Jones,Prentice-Hall,Englewood Cliffs,1980):. "Structured Design is disciplined approach to computeran activity that in the past -has beendesign,systemnotoriously haphazard and fraught with problems."I.Structured Design allowsguide the form of the solution.the form of the problem toStructured Design seeks to conquer the complexity of"2.large systems by means of partitioning the system into "blackand by organizing the black boxes into hierarchiesboxes,"suitable for computer implementation.Structured Design uses tools, especially"3.ones, to render systems readily understandable.graphicStructured Design offers a set of strategies for 4.developing a design solution from a well defined statement ofa problem.Structured Design offers a set of criteria for"5.evaluating the quality of a given design solution with respectto the problem to be solved."Structured Design produces systems that are easy tolasting, , and efficient to operate - and that WORK."TheorganizationofStructuredrelationship to Structured System Design is7Analysisanditsshown on Figure 1.
¶SURVEY OF TA FLOW DIAGRAMSDATA DICTIONARY INITIATIONInterfaceREVIEW/CRITIQUE/ACCEPTANCE OF DFDStructuredSystemsDesignDATA DICTIONARYNSIONSTRUCTURED ENGLISHDATA STRUCTURE DIAG RAMSSEXPAPROGRAMS-TESTFigure 1.Structured Analysis and StructuredSystems Design Organization8
LSA SUBTASK 303.2.7 - DATA FLOW DIAGRAMSThei.e.,DatadataFlowDiagram is a tool that shows flow of data,flowsfrom sources and isprocessed by activitiesto produce intermediate or final products.TheDFD provides a useful and meaningful partitioning of asystemallfromfunctions,introduced,ofthe viewpoint of identification and separation ateach can beadded, or deleted with minimal disruptionprogram,i.e.,itemphasizes the underlyingof modularity and identifiable transformations of datainto actionable products.,Aseries of four (4)DFDs have been developed to structurethe RLA LSA subtasks:1.303.2.7RLA Overview2.303.2.7.2APreparation of Palman Database3.303.2.7.3AApplication of Palman Model4.303.2.7.5AApplication of elas tionbox,thetowellasbasicLSAtaskitnumber assigned in thethe level of indentureFor example, the first or top leveltotask.theparagraph in MIL-STD-1388-IAOne of the processes (bubbles) ondiagram (303.2.7.2)(Alpha "A"is expanded and identifiedidentifies the expansion).9
n below the top level, e.g.,:LSA DFD 303.2.7Top Level .First Indenture .FourstandardsymbolsLSA DFD 303.2.7.2Aareusedin the DFD drawing (seeFigure 2).AcopybythetheDFDsofeachDFD is presented in Annex B, accompaniedData Dictionary process elements.hascorrespondingaEach entry made inentry in the Data Dictionary,immediately following each of the ifications,descriptionsNotepresents the Data Dictionary entriescoordinationprocesses.process,are provided.oftheTheseexternaloverall concept andincludeentitiesAs noted above,dataandflowdata storethey will continueto evolve and be expanded in the System Design phase.AsDataSincethe DFDs progress through Structured System Design, theDictionarytheysubmissions,willarecontinue to beworkingexpanded and completed.documentsratherthanfinalonly minimum effort has been devoted to editorialniceties, e.g.,spelling, typography,10etc.
REPRESENTS A PROCESS,OR ACTIONFUNCTION,REPRESENTS A DATA STORE OR ADATA FILE -. OFTEN IDENTIFIED ASREPOSITORY OF INFORMATION OF ASPECIFIC TYPEREPRESENTS A DATA ELEMENT FLOWINDICATING OUTPUT FROM ONEPROCESS AND INPUT TO ANOTHERPROCESSREPRESENTS AN EXTERNAL ENTITY AN ACTIVITY NOT A PART OF THESYSTEM/PROCESS BEING MODELED.Figure 2.STANDARD DFD SYMBOL DEFINITIONS11
ANNEX ALSA SUBTASK 303.2.7REPAIR LEVEL ANALYSIS(RLA)
ANNEX ALSA TASK 303EVALUATION OF ALTERNATIVES AND TRADEOFF ANALYSIS :alternative and inalternativesystem tradeoffs to determine thebest approach (support, design, and operation) which satisfiestheneed withthe bestbalancebetweencost,schedule,performance, readiness, and supportability.303.2 TASK evelanalysis (RLA) commensuratelevelof design,operation,and supportdataI/AbstractedPages 36-37.verbatimfrom MIL-STD-1388-lA,A-1April 11,1983,
ANNEX BSUBTASK 303.2.7DATA FLOW DIAGRAMS AND DATA DICTIONARY
ac:AIB-1.
DATE: 26-AUG-88APJ PROJECT 966TIME: 17:09PAGETASK 303.2.7 PROCESSESNameLabelDescription303.2.7.1SELECT AP-ACRONYMS:EXCELERATOR 1.8PROPRIATEOSAMM - Optimum Supply And Maintenance ModelEND ITEM,COMPONENT,LORUBS- Level Of Repair- Work Breakdown StructureLRU- Lowest Repairable UnitOR MODULE1PROCESS:The process of developing an End Item LOR decision for Armymateriel follows two serial processes:1. First, a decision is2.made for Repair or Discard/Replac,with theapplication of the Palman modal.If a decision is made for repair, a further decision is made forthe optimum maintenance level for the repair to be effected. Thistask is accomplished with the application of the OSAM model.These decisions are made for all three indenture levels of theMUS from the top down.The levels of the end item are components,modules, and the LRU. If a discard decision is made at any level for anybranches of the WBS, all lower level decisions in the same branch wouldnot be meaningful.This specific process in iterative inis the top level item (such as end item).that the initialselectionNext iteration (or selection)will be the second indenture components assuming that the end itemdecision was to repair.The third iteration would be at the modulelevel for each component rated as repairable.This iterative processcontinues until each potentially repairable item has been considered.DATA SOURCES:Interactive Palman Model User's GuideOSAM4M User's Guide Version 2.01-2
PAGE2EICELEERATOR 1.8APJ PROJECT 966DATE: 26-AUG-88TASK 303.2.7 PROCESSESTIME: IPM - Interactive Palman ModelPALMANDADATABASE- Department of the ArmyPAM - PamphletPROCESS:The IPM as described in DA PAM 700-4, is an interactive tool toassess repair versus discard decisions and perform sensitivities on keyfactors.The 1PM requires the development/formatting of three stsofvariables:1. 14 standard variables2. 13 provisioning variables3.13 miscellaneous variablesThe specific data elements are listed under the three data flowsThese variables may beinto the Application of the Palman model.arranged by:1. supply2. Test equipment and facilities3.4.PersonnelMaintenance5.End item6.InitialprovisioningThe key sources of data for the elements are:1. Functional requirements from concept development and documentation2. Physical characteristics from engineering reports3. Other types of information from historical data basesThe data inputs for the Palman Model must relate to the specificitem (at the appropriate indenture levels)and be prepared inselected insubtask 303.2.7.1a form which can be readily applied to the computerThese data formats are set forth in the Palman"Interactive Palman Model User's Guide, June 21, 1984."There are two types of data files which are used by the PalmanTheprogram: Standard Input Data Files and General Input Data Files.which may be created by the program, is used toStandard file,input requirements.documentation,After the standard data have been entered,initialize a new analysis.then the peculiar data areeither by keyboard or from the standard file,The program now prepares the general file (s).To view the process of the Preparation of the Palman Database inmore detail, explode this process to Subtaak 303.2.7.2A.entered by keyboard.DATA SOURCES:DA PAM 700-4,31,Logistic Support Analysis Techniques Guide, March1987Interactive Palman Model User's Guide, June 21,Palman Model User Guide, August 14, 1987B-31984
DATE: 26-AUG-88TIME: 17:09APJ PROJECT 966TASK 303.2.7 NYMS :TION OFPALMANMODELPAGE3EXCELERATOR 1.8LRU - Lowest Repairable UnitWEBS - Work Breakdown StructureR/D - Repair/DiscardPROCESS:With the application of the Palman model, a repair ordiscard/replace decision can be made on the end item and for each ofthe lower level itemsin the WBS.(components,modules, LRU's,etc.) as set forthThe Palman program calculates R/D break-even cost over a range ofexpected deployment densities given the standard, provisioning, andmiscellaneous inputs.Inthis analysis,ifthe lifecycle cost of theend item exceeds the break-oven cost value, the end item should berepaired.Similarly, when the lifecycle cost of the end item is lessthan the break-even point, that item should be discarded.The program also outputs the cost and percentage cost contributionof individual variables to repair cost.After making the R/D analysis, the Palman program can be used toperform a sensitivity analysis.This analysis reveals the amount thatthe various model parameters that are selected can be in error withoutchanging the overall R/D decision. The parameters with the highestpercentage cost contribution are usually selected for sensitivityanalyses.For a detailed description of the necessary procedures to apply themodel and run it,explode this process to Subtask 303.2.7.3k.DATA SOURCES:Interactive Palman Model User's Guide, June 21,Palman User's Manual,August 14, 1987303.2.7.4PREPARE1984ACRONYMS:SUMMARYREPORT -PROCESS:DISCARDSPreparation of a sumnmary report of those items, components, ormodules of the end item for which the Palman Model has indicateddiscard decision - that is,it would be economically beneficial todiscard and replace with new like items rather than provide for the anditem' s repair.DATA SOURCES:303.2.7.5APPLICATION OFOSAIO4ACRONYMS :OSANMLORA- Optimum Supply And Maintenance Model- Level Of Repair AnalysisPROCESSPROCESS:The OSAMM isapplied to simultaneously optimize supply andmaintenance policies while achieving a given operational availabilitytarget.To see the OSAMM in more detail, explode this process to Subtask303.2.7.5A.DATA SOURCE:OSA M ProgramB-4
DATE: 26-AUG-SBAPJ PROJECT 966TIME: 17:09TASK 303.2.7 PROCESSESNameLabelDescript ion303.2.7.6PREPARELEVEL OFACRONYMS:OSAMM - Optimum Supply And Maintenance ModelPAGE4EXCELERATOR 1.8REPAIRREPORTPROCESS:The Level of Repair Report contains the results of the applicationof the Palman and OSAMM models to the equipment/system and itscomplete Work Breakdown Structure.This report contain.allthe recommendations and supporting rationale for oystem/equipmentmaintenance and logistics support planning decisions.DATA SOURCES:B-5
DATE:26-AUG-68TIME:17:12APJ PROJECT 966PAGETASK 303.2.7 DATA FLOWSNameLabelAMCP 706-132MAINTENANCEIEXCELERATOR 1.BDescriptionMaintenance Engineering Techniques are the activities of equipmentENGINEERINGmaintenance which develop concepts,TECHNIQUESrequirements durinn the conceptual and acquisition phases to be appliedand maintained in a current status during the operational phase tocriteria, and technicalassure timely and adequate economic maintenance support of weapons andequipments.DRAFTDRAFT RLAREPORTA draft report of the results of the equipment/system Level ofaccordance with DI-R-3549A, DI-R-3549/R-117-2, orRepair Analysis inDI-S-6169,FUNCFUNCTIONALthe most appropriate for the specific analysis performed.Identification of the operations and support functions that must beREQUIREMENTS performed for each system/equipment alternative under consideration andSELECTEDthen identification of the tasks that must be performed in order toITEMoperate and maintain the now system/equipment initsintendeKenvironment.These functions shall be identified to a level connensurate withdesign and operational scenario development,peacetime and wartime functions.and shall include bothThese data will be available from the Concept Formulation Packagewhich will include a Feasibility Study as well as Advance ProductPlanning.The Feasibility Study from the Concept Formulation Packagewill consist of a Needs Analysis, the System Operational Requiremeents,and the System Maintenance Concept.Advance Product Planning isconcerned with Plans and specifications of the equipment/eystem.HISTHISTORICALPrior to the actual test and field use of the end item, itSUPPORT DATA necessary to develop various reliability,will bemaintainability, andEND ITEMLOGISTICALavailability parameters which are required to support the data base forapplication to the Palman Model.These quantifications of theEQUIVALENTSavailability parameters may be derived from an analysis of logisticallyequivalent systems,operating insimilar environmental and operatingconditions.These data will be extracted from the historical files andused in the development of the model inputs for the end item and foreach of itsINITINITIATINGACTIONLORA POLICYlower indenture components,modules,or parts.The initiating action would be the signed task order by APJ andAMCCOM contraction officer representative.the HQ,LORA POLICYIn the selection of the parameters for application to the PalmanRELATIVE TO Model, it will be necessary to transfer the policy and guidance ofAMC-R 700-27 AMC-R 700-27 to the analyst and programs assigned to the application ofthe Palman Model to the end item and itslower indentures of the WorkBreakdown Structure.LSAR INPUTSLSARINPUTSThe data which are entered into the end item LSAR are madeavailable for preparation of the report to be generated as item No.from the Contract Data Requirements List. (DD Form 1423)B-61
TIME:PAGE2EXCELERATOR 1.8APJ PROJECT 966TASK 303.2.7 DATA FLOWSDATE: The Miscellaneous variablesINPUTS(system peculiar parameters)are:1. REPHRS: average direct labor corrective maintenance repair time2.COSTRPrequired to repair an assembly: average cost of repair part(s) required to repair an3.UNIQUE: number of new NSN repair parts that must be added to the4.federal supply systemCOSTFD : development cost of allassemblyspecial test equipment andrequired over and above that required for thefacilitiesthrowaway concept5.COSTFP : procurement cost of all special test equipment andfacilitiesrequired over and above that required for the6.throwaway conceptFAILUR : expected number of failures of the assembly per million7.PAGESS. RThours of constant operation: number of technical publication pages over and above thatrequired for the throwaway concept: hours of training required to perform maintenance on theQparticular assembly: total number of this particular assembly per end item10. FRACOP11. PT: fraction of calender time that the end item is operated: number of personnel trained per year to repair the12.EN(l): the expe ted low number of end items to be failed13.EN(11)9.assembliesOSAMM DATAOSAMMthe expected high number of end items to be failedThe Cata output by the OSAM4 model to the LSAR includes:DATA1.Maintenance policies by application2.3.Maintenance Task DistributionsReplacement Task Distributions4.Quantity required of each test equipment/repairman at each echelon5.Number of spares of each component/module allowed at each echelon-6.systemTotal cost of each component/module for holding, transportation,spares cost,initialrequisition,7.OSAMM INPUTSOSA)MINPUT(MTD's)(RTD's)and consumption spares over the lifecataloging,of thebin, and repairTotal logistics cost and achieved operational availabilityA specification of the inputs required of the system/item beingThese inputs mustevaluated from the view point of Level of Repair.REQUIREMENTS conform to the requirements of OSAMM as spelled out in the OSAMM User'sManual.OSAMM/DISC/DECOSAMMDISCARDThe OSAI-4 decision regarding the Level Of Repair Analysis isrepair at all.DECISIONB-7The failed equipment/system isdiscarded.no
APJ PROJECT 966TASK 303.2.7 DATA FLOWSDATE: 26-AUG-88TIME: 17:123PAGEEXCELERATOR air level decisions made by the model are output byThe model will describe what should be done when the endapplication.item fails due to the failure of a certain module in a certainThe model will also determine which components and modulescomponent.This set of repair levelshould be discarded instead of repaired.DECISIONdecisions iscommonly referred to as the "maintenance concept" for theequipment.PAL/LINEAn "on line" Palman Model run from either a mainframe or personalMAINFRAM ORcomputer is applied to the Repair/Discard analysis.PC-BASEDPAL! IN MODELON LINEPALMAN INPUTSPALMANINPUTS APJ REP/DECPALMANREPAIRDECISIONThese inputs conform to the specific requirements as set forth inAPJ report 966-309, "Palman Model User's Manual," as applicable to thephysical and operational characteristics of the end item.The Palman Model has demonstrated that discarding the failedend item and replacing it with a new equipment/system is the mosteconomical decision.The Palman program has shown that the most economical decision isRepair rather than Discard for selected end items, components, parts, orThese decisions constitute the major input to the nextmodules.decision concerning the ideal maintenance level for the repair to beUsing the Optimum Supply and Maintenance Model (OSAZO), oneeffected.can determine at which echelon each maintenance function should beper
Logistic Support Analysis (LSA) Task and the Integrated Logistic Support (ILS) Element. Included is the System Analysis for the LSA Subtask 303.2.7, "Repair Level Analysis (RLA)" (sometimes referred to as "Level Of Repair Analysis (LORA)"),
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who wrote this report under the direct supervision of Mr. G. P. Hale, Chief, SRC, and the general supervision of Dr. Don Banks, Chief, S&RMD, and Dr. W. F. Marcuson III, Director, GL. Mr. Richard F. Davidson was the OCE Technical Monitor. Director of WES during publication of this report was Dr. Robert W.
Water Quality of Bilge Waste (Sample GT) Before and After Treatment . 81 5.2. Water Quality of Bilge Waste (Sample GT) Before and . Suspended Solids in Bilge Waste Before Treatment . 135 I I. I I iu LIST OF FIGURES . i region within the ship's hull that exists between the lowest
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DOCUMENT RESUME ED 378 068 SO 022 729 AUTHOR Ezpeleta, Justa, Comp.; Furlan, Alfredo, Comp. TITLE La Gestion Pedagogica de la Escuela (Educational. Management in the School). INSTITUTION United Nations Educational, Scientific, and Cultural
An Introduction to Description Logic IV Relations to rst order logic Marco Cerami Palack y University in Olomouc Department of Computer Science Olomouc, Czech Republic Olomouc, November 6th 2014 Marco Cerami (UP) Description Logic IV 6.11.2014 1 / 25. Preliminaries Preliminaries: First order logic Marco Cerami (UP) Description Logic IV 6.11.2014 2 / 25. Preliminaries Syntax Syntax: signature .
