Question: Activity Immediate Predecessor Normal time Normal Cost (FD) Crashing Time Crashing Cost (FD) A - 3 150 3 150 B - 4 200 3 220

Activity

Immediate Predecessor

Normal time

Normal Cost (FD)

Crashing Time

Crashing Cost (FD)

A

-

3

150

3

150

B

-

4

200

3

220

C

A

4

500

3

575

D

A,B

5

300

3

400

E

C,D

5

400

4

550

F

E,D

3

200

2

600

  1. Draw the AON diagramme for the above schedule.
  2. Calculate crash cost per day for each activity
  3. What is the estimated completion time?
  4. What is the best option to crash the project to complete in 1 day earlier?
  5. What are the best options to crash the project to complete in 2 days earlier?
  6. What are the best options to crash the project to complete in 3 days earlier?

What are the best options to crash the project to complete in 4 days earlier?

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