Lower level elements must come from MIL-STDC where available. • Created by CWIPT prior to RFP. – Data quality increases when WBS defined up front. Derived from MIL-STDC. • Product-oriented WBS structure composed of hardware, software, services, data, and facilities elements. • Created by CWIPT at . 17 Jul A Work Breakdown Structure (WBS) (MIL-STDC) is a tool used to define a project in discrete work elements in a Hierarchical format.

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It is for direction and should be included as a contract requirement. This Standard addresses mandatory procedures for all programs subject to DoD Instruction The PM with the support of systems engineering develops the first three levels of the 881 WBS, and to provide contractors with guidance for lower-level WBS development.

Overall System Level 2: This top-down structure provides a continuity of flow down for all tasks.

MIL-STDC is based on the cooperative efforts of the military services with assistance from industrial associations. Generating and applying uniform work breakdown structures improves communication in the acquisition process. It is a product-oriented family tree mi, 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.


In other words the WBS is an organized method to breakdown a product into subproducts at lower levels of detail. It relates the elements of work to be accomplished to each other and to the end product. A Work Breakdown Structure WBS etd a consistent and visible framework for defense materiel items and contracts within a program.

The WBS is a means of organizing system development activities based on system and product decompositions. It also provides direction to industry in extending contract work breakdown structures.

An integrated team representing these Stakeholders is needed to support WBS development. This Standard offers uniformity in definition and consistency of approach for developing all levels of the WBS.

Enough levels must be provided to properly define work packages for cost and schedule control purposes.


Changes to the Standard specifically tsd advances in technology and modifications of the acquisition process, and incorporates new materiel items, developmental concepts, and approaches. Major Elements Segment Level 881c A program WBS is established to provide the framework for program and technical planning, cost estimating, resource allocation, performance measurement, and status reporting.

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.

C Download File – 2. 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 FYDPor b otherwise designated by the DoD Component or the Under Secretary of Defense Acquisition.

Though WBS development is a systems engineering activity, it impacts costing, scheduling and budgeting professionals, as well str contracting officers.