6. Mistakes to avoid
Don't define your prioritization criteria
Prioritize and classify the service functions (SF), according to different criteria that you will have carefully chosen to remove any ambiguity as to the importance of one or other of the functions. You'll then have greater precision in your costing, and fewer uncertainties.
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Regulatory references
AFNOR NF X 50-100 November 2011: Value Management – Functional analysis, fundamental characteristics – Functional analysis: functional analysis of needs (external) and technical/product functional analysis (internal) – Requirements for deliverables and implementation procedures
AFNOR NF X 50-151 September 2007: Value Management – Functional expression of need...
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The " Sciences de l’Ingénieur " website provides comprehensive examples of functional analysis. In the "Resources" tab, type in the keyword "functional analysis".
Acronyms and abbreviations
AF: functional analysis
AV: value analysis
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