8 -Work Breakdown structure

8 -Work Breakdown structure - Work Breakdown Structure Dr....

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Work Breakdown Structure 1 Dr. Hesham A. Aziz Dr. Hesham A. Aziz
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Key Points : The WBS subdivides the project into manageable work packages. on fixed price contract the WBS helps to ensure the quotation include the full scope of work. The WBS numbering system uniquely identifies all the work packages. 2 Dr. Hesham A. Aziz
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Dr. Hesham A. Aziz 3 The top-down strategic approach to project planning The top-down strategic approach to project planning
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The purpose of the work breakdown structure (WBS) is to subdivide the scope of work into manageable work packages that can be estimated, planned and assigned to a responsible person or department for completion. The breakdown should group similar work together to improve productive efficiency. The main components of the WBS that will be discussed in this chapter are: Structure Methods of subdivision Numbering or coding system Level of detail Number of WBS Levels Roll-up Integrating the WBS/OBS to assign responsibility. Work Breakdown Structure 4 Dr. Hesham A. Aziz
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Creating the Work Breakdown Structure Creating the Work Breakdown Structure Work Breakdown Structure (WBS) An hierarchical outline (map) that identifies the products and work elements involved in a project. Defines the relationship of the final deliverable (the project) to its sub-deliverables, and in turn, their relationships to work packages. Best suited for design and build projects that have tangible outcomes rather than process-oriented projects. 5 Dr. Hesham A. Aziz
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Hierarchical Breakdown of the WBS Hierarchical Breakdown of the WBS 6 Dr. Hesham A. Aziz
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Work Package: Work package including the following Specifications Quality requirements Estimate (man hours) Budgets Duration Procurement Resources Equipment requirements 7 Dr. Hesham A. Aziz
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WBS/Work Packages to Network From Work Package to Network From Work Package to Network 8 Dr. Hesham A. Aziz
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1. The WBS Structure There are tow methods of presenting the WBS: Graphically in boxes. Text indents. The WBS is a hierarchical structure which is best presented by a graphical subdivision of the scope of work in boxes. House Civil Plumbing Electrical Wiring Appliances Piping Sewerage Foundations Walls/Roof House Project WBS Subdivided into Boxes 9 Dr. Hesham A. Aziz
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The other method of presentation shows the scope of work as text indents, where each level is tabbed to represent its level in the hierarchy . 1.0.0 House Project 1.1.0 Civil 1.1.1 Foundations 1.1.2 Walls and roof 1.2.0 Plumbing 1.2.1 Piping 1.2.2 Sewerage 1.3.0 Electrical 1.3.1 Wiring 1.3.2 Appliances 10 Dr. Hesham A. Aziz
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WBS Coding WBS Coding 11 Dr. Hesham A. Aziz
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2. Method of Sub-Division There is not necessarily a right or wrong structure because what may be an excellent fit for one discipline may be an awkward burden for anther. Product Breakdown Structure (PBS):
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8 -Work Breakdown structure - Work Breakdown Structure Dr....

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