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Project Management

Project Management. Lecture Network Analysis. Project planning Network analysis I Project planning Network analysis II. Project planning Resource analysis Risk management Quality Budgets and cost control Project teams. Plan. Introduction Project planning Gantt chart and WBS

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Project Management

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  1. Project Management LectureNetwork Analysis

  2. Project planning Network analysis I Project planning Network analysis II Project planning Resource analysis Risk management Quality Budgets and cost control Project teams Plan • Introduction • Project planning • Gantt chart and WBS • Project planning • Network analysis I • Project planning • Network analysis II

  3. Why Network Diagrams? • Splits up the decision making process into • Method/logic - the order in which tasks have to be completed • Time – estimates for the time to completion can be added to each task • Resources – these can be added and then analysis carried out

  4. Project Exercise 1

  5. Project Exercise 1

  6. Why Network Diagrams? • Splits up the decision making process into • Method/logic - the order in which tasks have to be completed • Time – estimates for the time to completion can be added to each task • Resources – these can be added and then analysis carried out

  7. Two Parts to the Analysis • Forward Pass • Calculates the Duration of the Project • Backward Pass • Calculates the slack/float for each task and shows the critical path

  8. Forward Pass In a game of rugby it is a means of cheating often missed by referees (BBC, 2005)

  9. Forward Pass • …but in project management it is used • To calculate the total duration of the Project… • For each task: • Take the earliest start time (EST) • Calculate the Earliest finish time (EFT): EFT = EST+Duration

  10. What’s in the box?

  11. Forward Pass

  12. Forward Pass

  13. Project Exercise 1

  14. Exercise 1 – Forward Pass • Carry out a forward pass on Project in Exercise 1

  15. Project Exercise 1

  16. Project Exercise 1 Dangler Dangler Dangler

  17. Start and Finish Nodes

  18. What’s in the box?

  19. Backward Pass • To calculate the float for each task? • For each task: • Take the latest start time (LST) • Calculate the latest finish time (LFT): LST = LFT-Duration

  20. Backward Pass

  21. Backward Pass

  22. Project Exercise 1

  23. Exercise 1 – Backward Pass • Carry out a backward pass on project exercise 1

  24. Ex1 - After Backward Pass

  25. What about the float? • Float = LFT-EFT • Or • Float = LST-EST

  26. What about the float? • Float represents the amount of time that the task can be delayed without affecting the outcome of the project • A task with zero float cannot be delayed and is therefore critical to the timely completion of the project

  27. What about the float? • A time optimised project will have a sequence of tasks from start to finish that have zero float • This sequence of tasks is called the critical path

  28. Project Exercise 1

  29. Exercise 1 – Critical Path • Calculate the float for each task and identify the critical path through the project

  30. Ex1 – Float

  31. Ex1 – Critical Path

  32. Questions • My Project has no critical path. What does this mean? • My programmer has broken his big toe in a skiing accident and cannot type for two weeks (he has a valid sick note). How will this affect my software delivery date?

  33. Directed Study • Find the critical path for Project Exercise 2 (see Lecture 3). • Find the critical path for the large project in Exercise 3.

  34. Project planning Network analysis I Project planning Network analysis II Project planning Resource analysis Risk management Quality Budgets and cost control Project teams Plan • Introduction • Project planning • Gantt chart and WBS • Project planning • Network analysis I • Project planning • Network analysis II • Project planning • Resource analysis • Risk management • Quality • Budgets and cost control • Project teams

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