work breakdown structure
DESCRIPTION
This slide is about Work Break Down Structure, how it is done, its use, misconceptions, etc.. Editing is lost in this uploaded file.. :(TRANSCRIPT
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Work Breakdo
wnMade By:
Abhishek PachisiaB.Tech – IT (IV Year)
090102801
Structure
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Foreword - 1₪ Also known as: WBS₪ Project Smaller
components.₪ Defines & Groups a project’s
discrete work elements↔ Helps organize↔ Define the total work scope
Decomposition
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Sample
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₪One of the most valuable instruments
₪The most overlooked or poorly-constructed.
₪The WBS is the backbone of any project.Ex : Network diagram is derived from WBS. Thus, providing project schedule.
Foreword - 2
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Sample
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Project
Activity
Activity
Activity
Activity
Activity
Activity
Task
Task
Task
Task
Function
Function
A Project has a Duration and consists of functions, activities and tasks.
Definitions: Functions, Activities and Tasks
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Why is it Needed ?﴾ Simplifying the project execution﴾ Accurate and readable project organization.﴾ Accurate assignment of responsibilities to
the project team.﴾ Indicates the project milestones and control
points.﴾ Helps to estimate the cost, time, and risk.﴾ Illustrate the project scope, so the
stakeholders can have a better understanding of the same.
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Design Principles€ 100% rule€ Mutually exclusive elements€ Plan outcomes, not actions€ Level of detail€ Coding scheme€ Terminal element
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Tips for Constructing WBS
﴾ WBS should be viewed as a roadmap.﴾ It should be descriptive, not vague.﴾ It should list out all the steps down to
the smallest level.» Ex: If 5 steps are there then all should
be listed.
﴾ Assuming that “everyone knows what steps are required to complete the task” means failure.
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Facts for Constructing WBS₪ Elements of each WBS Element:
€ The scope of the project, "deliverables" of the project.
€ Start and end time of the scope of project.€ Budget for the scope of the project.€ Name of the person related to the scope of project.
₪ No hard and fast rule.
€ Some rules for determining the smallest chunk:» Thumb Rule» If it makes sense Rule,» 80 hour rule,» Three week/year rule, etc.
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3 Week Rule : Steps - 1STEP - 1₪List all major deliverables and the
high-level tasks specifically mentioned or gleaned from the scope description.
₪Side note should delineate ↔What is to be considered.↔What is out of scope, i.e. not to be
considered.
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3 Week Rule : Steps - 2STEP - 2₪Select a deliverable.
€ Name all of the tasks required
₪Heading(known as Summary Task) - complete descriptive sentence.
₪Side note should delineate € What is to be considered.€ What is out of scope, i.e. not to be considered.
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3 Week Rule : Steps - 3STEP - 3• Break down each task – For another project manager to fully follow the
process.• Provides – The basis for budget estimating – A checklist for monitoring and controlling.
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3 Week Rule : Steps - 4STEP - 4₪ Rearrange the tasks and work packages
£ For logical flow -> To perform the summary task.₪ Rearrange the summary tasks
£ For Logical flow -> To perform the project. ₪ Ensure
£ Task headings are meaningful £ There is a balance between having enough tasks
and work packages to provide enough detail without overkill.
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Graphical Illustration
↔Lists & Tables
↔Trees
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WBS Dictionary₪Set of specific definitions
€Thoroughly describe the scope of each work element identified in the WBS
₪Components.€A work element dictionary
sheet» Provides the title of the
work element, » The project contractor
WBS and » The contractor’s
accounting codes, the budget and reporting number, and
» A detailed description of the work to be performed by this element, including deliverables
€A tabular summary of the dictionary elements cross-referenced
» WBS indenture level, » The WBS revision, the
element title,» The project contractor
WBS code, and » The contractor’s
accounting code (if desired).
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Misconceptions£ A WBS is not an exhaustive list of work.
» Comprehensive classification of project scope.
£ A WBS is » neither a project plan, » a schedule, » nor a chronological listing. » Specifies what will be done, not how or when.
£ A WBS is not an organizational hierarchy, » It may be used when assigning responsibilities
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Defence Material Item Categories
MIL-STD-881C:₪ Aircraft Systems WBS₪ Electronic Systems WBS₪ Missile Systems WBS₪ Ordnance Systems WBS₪ Sea Systems WBS₪ Space Systems WBS₪ Surface Vehicle Systems WBS₪ Unmanned Air Vehicle Systems WBS₪ Unmanned Maritime Systems WBS₪ Launch Vehicle Systems WBS₪ Automated Information Systems WBS
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Key Points﴾ Work breakdown structures are great for developing and validating the scope of a project.
﴾ Work breakdown structures are most powerful when shown in a graphic style, similar to an organization chart. They can also take on the form of a simple outline.
﴾ Work breakdown structures allow people from various backgrounds, disciplines, and perspectives to understand the activities being planned.
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ThankYou