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Example from MIL-HDBK-881, which illustrates the first three levels of a typical aircraft system [1] A work-breakdown structure (WBS) [2] in project management and systems engineering is a deliverable-oriented breakdown of a project into smaller components. A work breakdown structure is a key project management element that organizes the team's ...
Terminal elements and summary elements constitute the work breakdown structure of the project. Modern Gantt charts also show the dependency (i.e., precedence network) relationships between activities. Gantt charts can be used to show current schedule status using percent-complete shadings and a vertical "TODAY" line.
WBS reference; Slack/Float: Determines the duration of activity delay that the project can tolerate before the project comes in late. The difference between the earliest and the latest start time. [1]: 502 [2]: 183 i.e. Slack = latest start date - earliest start day or Slack = latest finish time - earliest finish time.
The PBS is identical in format to the work breakdown structure (WBS), but is a separate entity and is used at a different step in the planning process. The PBS precedes the WBS and focuses on cataloguing all the desired outputs (products) needed to achieve the goal of the project.
The WBS which focuses on intelligently dividing a hierarchy of the work elements and defining them may then have the SOW in matching sections focus on describing what will be done with that portion or how that portion will be done. The statement of work should be directly linked to deliverables shown in the CDRL form. This is done by having ...
The IMP provides a better structure than either the Work Breakdown Structure (WBS) or Organizational Breakdown Structure (OBS) for measuring actual integrated master schedule (IMS) progress. [ 8 ] The primary objective of the IMP is a single plan that establishes the program or project fundamentals.
Schedule baseline and work breakdown structure: The WBS which consists of work packages and WBS dictionary, which defines these work packages, as well as schedule baseline, which is the reference point for managing project progress, are included here. Project management plans: This section contains all management plans of all project aspects.
In this process, a project manager selects a moderator and an estimation team with three to seven members. The Delphi process consists of two meetings run by the moderator. The first meeting is the kickoff meeting, during which the estimation team creates a work breakdown structure (WBS) and discusses assumptions. After the meeting, each team ...