It is for direction and should be included as a contract requirement. This Standard addresses mandatory procedures for all programs subject to DoD Instruction This military standard is applicable to all defense materiel items or major modifications a established as an integral program element of the Future Years Defense Program FYDP , or b otherwise designated by the DoD Component or the Under Secretary of Defense Acquisition. A Work Breakdown Structure WBS provides a consistent and visible framework for defense materiel items and contracts within a program.
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It relates the elements of work to be accomplished to each other and to the end product. In other words the WBS is an organized method to breakdown a product into subproducts at lower levels of detail. It is a product-oriented family tree composed of hardware, software, services, data, and facilities, which result from systems engineering efforts during the development and production of the system and its components, and which completely defines the program. The WBS is prepared from both the physical and system architectures, and identifies all necessary products and services needed for the system.
This top-down structure provides a continuity of flow down for all tasks. Enough levels must be provided to properly define work packages for cost and schedule control purposes. The WBS defines the total system of hardware, software, services, data, and facilities, and relates these elements to each other and to the end product. The PM with the support of systems engineering develops the first three levels of the program WBS, and to provide contractors with guidance for lower-level WBS development.
Though WBS development is a systems engineering activity, it impacts costing, scheduling and budgeting professionals, as well as contracting officers. An integrated team representing these Stakeholders is needed to support WBS development.