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Project Management in Practice

Project Management in Practice. Allocating Resources to the Project. Outline:. Crashing a project Fast-Tracking a project Resource Loading Resource Leveling. Homework: 20 (omit e ) using MSP 21 (an AOA diagram may help!) by hand and Excel. Crashing A Project.

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Project Management in Practice

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  1. Project Management in Practice Allocating Resources to the Project

  2. Outline: • Crashing a project • Fast-Tracking a project • Resource Loading • Resource Leveling Homework: 20 (omit e) using MSP 21 (an AOA diagram may help!) by hand and Excel

  3. Crashing A Project c=6 f=8 a=7 d=4 b=6 g=5 e=9

  4. Ex: Table 6-1, Crashing A Project e=3 b=2 c=2 a=3 d=4

  5. Ex: Table 6-1, Crashing A Project e=3 b=2 c=2 a=3 d=4 e(-2) a(-1) d(-1) Dur 5 Alternatives: e(-2) d(-1), from incremental, Proj cost = 220+70+30=$300 e(-2) a(-1) d(-1), from original, Proj cost=120+70+40+30=$260

  6. Ex: Table 6-1, Crashing A Project e=3 1 b=2 c=2 a=3 2 d=4 3 Dur 4 Alternatives: e(-2) a(-1) d(-1), from incremental, d(-1), b(-1), Proj cost=260+30+60=$350 a,b,e fully crashed this is as far as we can go we cannot get the project duration under 4

  7. Ex: Table 6-1, Crashing A Project

  8. Table 6-1, Example (8 days, baseline) AOA 3 e3 b2 a3 2 1 c2 4 6 d4 5 Alternate Solution Method

  9. Crashing a Project Example (21 days, baseline) AOA c6 2 4 a6 f9 1 d7 6 b7 3 5 g7 e5

  10. Example (21 days, baseline) AOA c6 2 4 a6 f9 1 d7 6 b7 3 5 g7 e5

  11. Example (21 days, baseline) AOA Using Excel Solver c6 2 4 a6 J8 f9 B17 B19 1 J11 J6 d7 6 J9 J7 B21 b7 J12 J10 3 5 g7 e5 B18 B20

  12. Example (21 days, baseline) AOA AOA Event Time for a node: Time when all preceding activities are complete. Timewhen all preceding activities are complete. Max time of paths to node (if more than 1 path), or If one path to node, it is equal to the time to the node. Using Excel Solver c6 2 4 a6 J8 f9 B17 B19 1 J11 J6 d7 6 J9 J7 B21 b7 J12 J10 3 5 g7 e5 B18 B20

  13. Example (21 days, baseline) AOA Using Excel Solver

  14. Example (21 days, baseline) AOA Node Constraints: 2) 3) 4) 5) 6) Solution (amount to crash each activity) must be integer and >=0: Event Times must be >=0: Activity crash amount must be <= their max: Node 6 (all activities complete) must be <= Project Deadline: Using Excel Solver

  15. Example (21 days, baseline) AOA Using Excel Solver

  16. Project Cost versus Project Duration Example Cost Table $750 $650 $550 $470 $430 $400

  17. Fast-Tracking a Project c d h c d h

  18. Resource Loading • Amount of specific resources that are scheduled for use on specific activities or projects at specific times. • Usually a list or table.

  19. Resource Loading

  20. Resource Loading

  21. No Resource Loading 7 Day Work Week Format Gantt Chart Wizard Resource LevelingUnloaded d,e 5 7 7 13 e2 f6 0 5 5 7 a5 7 13 0 3 3 8 0 5 b3 c5 9 11 g2 3 6 6 11 11 13 5 9 d4 7 11

  22. Added Resources Added Resource Names to Gantt Resource Tab Clear Leveling (button) Resource LevelingLoaded, Unleveled 5 7 7 13 e2 f6 0 5 5 7 a5 7 13 0 3 3 8 0 5 b3 c5 9 11 g2 3 6 6 11 11 13 5 9 d4 7 11

  23. View, Gantt Chart, More Views Resource Usage View, Gantt Chart, More Views Resource Graph Resource LevelingLoaded. Unleveled

  24. Resource Tab Level All Used d’s (LS/LF) slack to avoid overloading of Amy Resource LevelingLoaded, Leveled 5 7 7 13 e2 f6 0 5 5 7 a5 7 13 0 3 3 8 0 5 b3 c5 11 13 g2 3 6 6 11 11 13 7 11 d4 7 11

  25. View tab, Gantt Chart, More Views Resource Usage Resource LevelingLoaded, Leveled

  26. Unleveled Resource LevelingSuppose activity c needed Sue instead of Gus?

  27. Leveled e finishes at 7, but f cannot start Sue is still busy on c Resource LevelingSuppose activity c needed Sue instead of Gus? 8 14 5 7 e2 f6 0 5 5 7 a5 7 13 8 14 0 3 3 8 0 5 b3 c5 11 13 g2 3 6 7 12 b cannot LF at time 7 because Joe is needed on e at time 6 12 14 7 11 d4 e cannot start at time 6 and finish at 8 because Amy is needed on task d at time 7 d cannot start until time 7 because Amy is not free 8 12

  28. Leveled Resource LevelingSuppose activity c needed Sue instead of Gus?

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