DI-SESS-82438

System/Design Trade Study Report

Documents the decision rationale for designated trade studies, including engineering techniques and analysis of system effectiveness, life cycle cost, and risk.

Approval DateFebruary 22, 2024

AMSC NumberN10462

Preparing ActivityAS

Project NumberSESS-2024-006

OPR—

DTIC Applicable—

GIDEP Applicable—

Limitation—

Applicable Forms—

Approval Limitation—

Form Version—

DID Formatfree_text

963C CompliantYes

DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.

Supersedes

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Description & Purpose

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Application & Interrelationship

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Use & Relationship

The Trade Study Report used to document the decision rationale for designated trade studies. Trade studies involve a variety of engineering techniques including complete or partial simulation of operations. Trade studies accomplished at different level and reporting data may vary considerably. Trade study reports will document the results of system effectiveness, life cycle cost and risk analysis.

This Data Item Description (DID) contains the format, content, and intended use for the data product resulting from the work task described in the contract Statement of Work/Performance Work Statement.

Preparation Instructions

1Reference documentsThe applicable issue of the documents cited herein, including their approval dates and dates of any applicable amendments, notices, and revisions, shall be as specified in the contract.

2FormatContractor Format.

3ContentsThe Trade Study Report shall be organized into the following sections:

3.1ScopeThis section shall be divided into the following sub-sections:

3.2Identification and listing of Functional and Technical Design Requirements for Tradeoff

3.2.1Functional Requirements are listed firstFunctional Requirements are listed first.

3.2.2Related Technical Requirements

3.3Identification of possible Design Approaches and Then Design Characteristics

3.3.1List possible approaches and identify significant design characteristicsList possible approaches and identify significant design characteristics for each possible design.

3.3.2The list generated concurrently with above requirementsThe list generated concurrently with above requirements.

3.3.3Attainable design approaches pursued considering technical capabilitiesAttainable design approaches pursued considering technical capabilities, cost, time schedules, system effectiveness, risks, and resource limitations or other constraints as specified in system requirement documentation.

3.3.4List each potential and alternative design approachList each potential and alternative design approach and identify significant characteristics applicable to each.

3.3.4.1The Characteristics shall relate and be restrictive toThe Characteristics shall relate and be restrictive to the attributes of the design approach, which bears most directly on its feasibility in relation to the requirements.

3.3.4.2The significant characteristics shall reflect predicted impact onThe significant characteristics shall reflect predicted impact on such factors as cost, schedules, performance, survivability, safety, growth potential, maintainability, reliability, personnel and training requirements, facilities, security, vulnerability, transportability, procurability, and producibility.

3.4Comparison of Matrix Design Approaches

3.4.1The matrix shall compare the design characteristics forThe matrix shall compare the design characteristics for each design approach to determine the degree to which the design approaches satisfy the functional and technical requirements.

3.4.2The objective is to facilitate rapid comparison andThe objective is to facilitate rapid comparison and evaluation of potential design approaches and to allow preliminary screening out those design approaches that are inconsistent with the functional and technical requirements.

3.5Selection of Design Approach

3.5.1Select the most promising design approach and provideSelect the most promising design approach and provide reasons to substantial the selection.

3.5.2Provide rationale for the selection in the formProvide rationale for the selection in the form of schematic diagrams, outline drawings, interface details, functional diagrams, reliability data, statistic interference data, narrative and any other backup data to support the selection.

3.5.3The rationale shall cover the requirements the selectedThe rationale shall cover the requirements the selected approach imposes on other areas of the systems, facilities, training, training equipment, human performance, and procedural data.

3.6Reliability Development Growth Test

3.6.1List the subsystems selected for analysis and aList the subsystems selected for analysis and a description of the process and criteria used to select those subsystems.

3.6.2For each subsystem selected, describe the type(s) ofFor each subsystem selected, describe the type(s) of test selected for analysis and a description of the process and criteria used to make those selections.

3.6.3For each individual test analyzed, provide an expectedFor each individual test analyzed, provide an expected cost/benefit summary in addition to a detailed description of the analysis used to generate that summary.

3.7Trade Study Report Index

3.7.1The Trade Study Report Index shall identify allThe Trade Study Report Index shall identify all trade studies required, studies completed, and those to be completed.

References

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