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1.1 This practice covers a logical structure for the function analysis of a project, product, or process.

1.2 This practice provides a system to identify, define, and clearly communicate the purpose of a project, product, or process and the associated elements of the project, product, or process.

1.3 This practice covers the relationship between the functions that must be satisfied and the resources for a project, product, or process to accomplish those functions.

1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

5.1 As part of the VE/VA study, perform function analysis after the collection of relevant information and prior to the identification of alternatives.

5.2 This practice provides a specific understanding of what must be accomplished and provides the basis for stimulating the creative phase of the value methodology. This is accomplished by naming and analyzing the functions and using the functions of the VE/VA study to generate ideas and alternative solutions.

5.3 This practice establishes a communication format through which all stakeholders can understand the project, product, or process.

5.4 This practice presents a method by which stakeholders’ needs and desires are compared to the cost to satisfy those needs and desires.

5.5 This practice helps stakeholders to formulate a strategy to maximize values.

5.6 Functions are also used to define criteria to compare alternatives.