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Crashing in Project Management

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Explanation of Crashing and when to use it. Video from Project Management Fundamentals, a new type of textbook designed to be: granular, easy to use with a "flipped" classroom approach, and designed for electronic distribution on iPads, kindle readers, and PCs/Mac. Find out more http://pmf.education/

Published in: Engineering
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Crashing in Project Management

  1. 1. Time Management Compressing the Project
  2. 2. Crashing Compressing the Project
  3. 3. Crashing $0.00 $250.00 $500.00 $750.00 $1,000.00 0 5 10 ActivityCosts Duration (Days) Normal Cost & Duration
  4. 4. Crashing $0.00 $250.00 $500.00 $750.00 $1,000.00 0 5 ActivityCosts Duration (Days) Crash Cost & Duration
  5. 5. Crashing $0.00 $250.00 $500.00 $750.00 $1,000.00 $1,250.00 0 5 10 ActivityCosts Duration (Days) Normal Cost & Duration Crash Cost & Duration
  6. 6. Crashing $0.00 $250.00 $500.00 $750.00 $1,000.00 $1,250.00 0 5 10 ActivityCosts Duration (Days) Normal Cost & Duration Crash Cost & Duration Slope Or Amount per Day = $500 / 5 days = $100 per day
  7. 7. Crashing $0.00 $250.00 $500.00 $750.00 $1,000.00 $1,250.00 0 5 10 ActivityCosts Duration
  8. 8. Crashing ID Direct costs Slope Maximum Crash Tim Normal Crash Time Cost Time Cost A 5 $500 4 $600 $100 1 B 10 $1200 6 $2000 $200 4 C 13 $3600 11 $4800 $600 2 D 3 $300 1 $600 $150 2 E 9 $1000 8 $1400 $400 1 F 10 $2400 8 $5400 $1500 2 G 5 $700 5 $700 $0 0
  9. 9. B 10 D 3 E 9 G 5 A 5 Crashing A->C->F->G = 33 C 13 F 10
  10. 10. B 10 D 3 E 9 G 5 A 5 Crashing A->C->F->G = 33 A->B->E->G = 29 C 13 F 10
  11. 11. B 10 D 3 E 9 G 5 A 5 Crashing A->C->F->G = 33 A->B->D->E->G = 32 A->B->E->G = 29 C 13 F 10
  12. 12. B 10 D 3 E 9 G 5 A 5 Crashing A->C->F->G = 33 A->B->D->E->G = 32 A->B->E->G = 29 C 13 F 10 DUR: 33
  13. 13. Crashing ID Direct costs Slope Maximum Crash Time Normal Crash Time Cost Time Cost A 5 $500 4 $600 $100 1 B 10 $1200 6 $2000 $200 4 C 13 $3600 11 $4800 $600 2 D 3 $300 1 $600 $150 2 E 9 $1000 8 $1400 $400 1 F 10 $2400 8 $5400 $1500 2 G 5 $700 5 $700 $0 0 $9700
  14. 14. B 10 D 3 E 9 G 5 A 5 Crashing A->C->F->G = 33 A->B->D->E->G = 32 A->B->E->G = 29 C 13 F 10 DUR: 33 $9700
  15. 15. B 10 D 3 E 9 G 5x A 5 Crashing A->C->F->G = 33 A->B->D->E->G = 32 A->B->E->G = 29 C 13 F 10 ID Slope Max Crash A $100 1 C $600 2 F $1500 2 G $0 0 DUR: 33 $9700
  16. 16. B 10 D 3 E 9 G 5x A 4x Crashing A->C->F->G = 32 A->B->D->E->G = 31 A->B->E->G = 28 C 13 F 10 ID Slope Max Crash A $100 1 C $600 2 F $1500 2 G $0 0 DUR: 32 $9700+$100=$9800
  17. 17. B 10 D 3 E 9 G 5x A 4x Crashing A->C->F->G = 31 A->B->D->E->G = 31 A->B->E->G = 28 C 12 F 10 ID Slope Max Crash A $100 1 C $600 1 F $1500 2 G $0 0 DUR: 31 $9700+$100+$600=$10,400
  18. 18. B 10 D 3 E 9 G 5x A 4x Crashing A->C->F->G = 31 A->B->D->E->G = 31 A->B->E->G = 28 C 12 F 10 ID Slope Max Crash A $100 1 C $600 1 F $1500 2 G $0 0 DUR: 31 $9700+$100+$600=$10,400
  19. 19. B 10 D 3 E 9 G 5x A 4x Crashing A->C->F->G = 31 A->B->D->E->G = 31 A->B->E->G = 28 C 12 F 10 DUR: 31 $9700+$100+$600=$10,400 ID Slope Max Crash B $200 4 C $600 1 D $150 2 E $400 1
  20. 20. B 10 D 3 E 9 G 5x A 4x Crashing A->C->F->G = 31 A->B->D->E->G = 31 A->B->E->G = 28 C 12 F 10 DUR: 31 $9700+$100+$600=$10,400 ID Slope Max Crash B $200 4 C $600 1 D $150 2 E $400 1
  21. 21. B 10 D 2 E 9 G 5x A 4x Crashing A->C->F->G = 30 A->B->D->E->G = 30 A->B->E->G = 28 C 11x F 10 DUR: 30 $9700+$100+$600+$600+150=$ 11,150 ID Slope Max Crash B $200 4 C $600 1 D $150 1 E $400 1
  22. 22. Crashing $11,150.00 $10,400.00 $9,800.00 $9,700.00 0 3750 7500 11250 15000 28 30 31 32 33 Direct Costs
  23. 23. Crashing $11,150.00 $10,400.00 $9,800.00 $9,700.00 9000 9750 10500 11250 12000 28 30 31 32 33 Direct Costs
  24. 24. Crashing $11,150.00 $10,400.00 $9,800.00 $9,700.00 0 3750 7500 11250 15000 28 30 31 32 33 Direct Costs
  25. 25. Crashing $11,150.00 $10,400.00 $9,800.00 $9,700.00 $8,150.00 $8,400.00 $8,800.00 $9,700.00 0 3750 7500 11250 15000 28 30 31 32 33 Direct Costs Cost w Incentive Optimum Cost/Time
  26. 26. Crashing $11,150.00 $10,400.00 $9,800.00 $9,700.00 0 3750 7500 11250 15000 28 30 31 32 33 Direct Costs
  27. 27. Crashing $11,150.00 $10,400.00 $9,800.00 $9,700.00 $1,400.00 $1,600.00 $1,800.00 $2,000.00 $12,550.00 $12,000.00 $11,600.00 $11,700.00 0 3750 7500 11250 15000 28 30 31 32 33 Direct Costs Indirect Total Costs Optimum Cost/Time
  28. 28. Crashing 0 12.5 25 37.5 50 0 2 4 6 8 10 12 14 16 18 20 Indirect Costs Direct Costs Total Costs Optimum Cost/Time
  29. 29. Pros • Reduces project time • Can find optimum project time. Crashing Cons • Increases Direct Costs • Increased Management Time • May Increate Risk

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