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1. Time Management
Compressing the Project

2. Crashing
Compressing the Project

3. Crashing
$0.00
$250.00
$500.00
$750.00
$1,000.00
0 5 10
ActivityCosts
Duration (Days)
Normal
Cost &
Duration

4. Crashing
$0.00
$250.00
$500.00
$750.00
$1,000.00
0 5
ActivityCosts
Duration (Days)
Crash
Cost &
Duration

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. 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. Crashing
$0.00
$250.00
$500.00
$750.00
$1,000.00
$1,250.00
0 5 10
ActivityCosts
Duration

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. B
10
D
3
E
9
G
5
A
5
Crashing
A->C->F->G = 33
C
13
F
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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. 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. Pros
• Reduces project time
• Can find optimum
project time.
Crashing
Cons
• Increases Direct
Costs
• Increased
Management Time
• May Increate Risk