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Project Scheduling and Crashing

Project Scheduling and Crashing. Recall the four stages. Project Conceptualization and Definition Project Planning and Budgeting Project Execution Project Monitoring and Control Project Termination and Closeout. Recall the four core knowledge areas. Scope Management. Time Management.

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Project Scheduling and Crashing

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  1. Project Scheduling and Crashing

  2. Recall the four stages • Project Conceptualization and Definition • Project Planning and Budgeting • Project Execution • Project Monitoring and Control • Project Termination and Closeout

  3. Recall the four core knowledge areas Scope Management Time Management Cost Management Quality Management

  4. Recall the four facilitating knowledge areas

  5. Recall the four project player types

  6. Recall five processes within the scope knowledge area • 1.       Plan Scope Management • 2.Collect Requirements • 3.        Define Scope • 4.Create WBS • 5.Validate Scope • 6. Control Scope

  7. Time Management Knowledge Area - Processes • Plan Schedule Management • Define Activities • Sequence Activities • Estimate Activity Durations • Develop Schedule • Control Schedule

  8. Activity Definition • Decomposition –top down…. • What has to happen in order to create a WBS • Composition from the bottom up • Use of a template • A list from a previous project that is similar

  9. Excavation Foundation Flatwork Brick hearth & veneer Rough hardware Finish hardware Rough lumber Finish lumber Rough carpentry labor Finish carpentry labor Rough carpentry labor Finish carpentry labor Countertops Cabinets Insulation Roofing Painting Shower & tub Consider the 2004 Construction Estimator

  10. Interview CIO Activity Sequencing Interview Manager A Interview Manager B Compile interview data and analyze Interview Manager C Prepare report Prepare and deliver presentation Interview Manager D Figure 7.3. Finish/Start Sequencing Relationships

  11. Sequence Relationships • Finish/Start • Start/Start • Finish/Finish • Start/Finish

  12. Project Networks • Activity on node • Most popular • Activity on arrow • Not used

  13. From project networks, we determine • The project duration • The critical path • Tasks on the critical path • Tasks not on the critical path • Slack associated with non-critical tasks • Earliest start, earliest finish, latest start and latest finish times

  14. Tabular format

  15. The AON Network A/5 C/5 E/5 B/10 D/20 F/10

  16. The AOA Network

  17. Start and Finish Dates ES EF N/K LS LF

  18. Notation • ES – earliest start for the node, assumed to be at the beginning of the day • EF – earliest finish for the node, assumed to be at the end of the day • LS – latest start for the node, assumed to be at the beginning of the day • LF – latest finish for the node, assumed to be at the end of the day • N -- the label of the node (task, step, activity) • K -- the duration of the node ( number following the slash)

  19. Start and Finish Dates ES EF N/K LS LF

  20. Precedence Relations • With FS (FINISH/START) relationships, a successor activity does not start until all of its predecessors are FINISHED

  21. Example 1 A/6 B/7 D/10 C/8

  22. Example 2 A/6 B/7 D/10 C/8

  23. Example 3

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