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Chapter+4+-++2 - Project Management Chapter 4 Continued...

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Project Management Chapter 4 ( Continued )
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Activity 2 – Identify Tasks Work Breakdown Structure (WBS) – A graphical tool used to depict the hierarchical decomposition of the project into phases, activities, and tasks. Milestone – An event signifying the completion of a major project deliverable.
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Activity 3 – Estimate Task Durations Elapsed time takes into consideration: Efficiency - no worker performs at 100% efficiency Coffee breaks, lunch, e-mail, etc. Estimate of 75% is common Interruptions Phone calls, visitors, etc. 10-50%
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Activity 3 – Estimate Task Durations 1. Estimate the minimum amount of time it would take to perform the task – the optimistic duration (OD). 2. Estimate the maximum amount of time it would take to perform the task – the pessimistic duration (PD). 3. Estimate the expected duration (ED) that will be needed to perform the task. 4. Calculate a weighted average of the most likely duration (D) as follows: D = (1 x OD) + (4 x ED) + (1 x PD) 6 3.33 days = (1 x 2 days) + (4 x 3 days) + (1 x 6 days) 6 PD ED OD
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Activity 4 – Specify Intertask Dependencies Finish-to-start (FS)—The finish of one task triggers the start of another task. Start-to-start (SS)—The start of one task triggers the start of another task. Finish-to-finish (FF)—Two tasks must finish at the same time. Start-to-finish (SF)—The start of one task signifies the finish of another task.
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Entering Intertask Dependencies
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Scheduling Strategies Forward Scheduling – A project scheduling approach that establishes a project start date and then schedules forward from that date. Reverse Scheduling – A project scheduling strategy that establishes a project deadline and then schedules backward from that date. Most common.
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