12.07.2015 Views

The Acquisition Handbook

The Acquisition Handbook

The Acquisition Handbook

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<strong>The</strong> Requirement SetConceptually, the set of individual user and system requirements are in the form illustrated in thefollowing figure, noting that each individual system requirement is underpinned by one or morelinked user requirements, and that each individual user requirement will be satisfied by one ormore linked system requirements.Key:Statement of Mission Needs"SingleUser RequirementKey User RequirementSystem RequirementKey System Requirement<strong>The</strong> Anatomy of the Requirement Set"Statement of Mission NeedsUser RequirementsNote: ‘Many to Many’ linksexist between atomised userand system requirementsSystem RequirementsSystem DesignSmall Project PointSmart RequirementsSmall projects need to follow the same URD and SRD process as large projects,although the length of the documents and databases involved will beconsiderably less.10

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