question archive The project information for the customer order project of the Computer Company is presented as follow

The project information for the customer order project of the Computer Company is presented as follow

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  1. The project information for the customer order project of the Computer Company is presented as follow.

ID

Activity

Predecessor 

Time 

A

Order review

None 

3

B

Order standard parts

A

4

C

Produce standard parts 

A

2

D

Design custom parts 

B

5

E

Software development 

C

4

F

Manufacturing hardware

C

3

G

Assemble 

D, E

3

H

Test

F, G

5

J

Packaging 

H

4

 

  Use the above table 

  1. Complete the task network.
  2. Find Earliest Activity Times (Earliest Start and Earliest Finish) using Forward Pass.
  3. Find Latest Activity Times (Latest Start and Latest Finish) using Backward Pass.
  4. Identify and calculate the length of the critical path.
  5. Calculate the Free Slack (FS) of each activity 
  6. Calculate the Total Slack (TS) of each activity

 

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According to the information in the exercise:

The forward and backward pass including the Early Start (ES), Late Start (LS), Early Finish (EF), Late Finish (LF), Total Slack (TS), and Free Slack (FS) is:

The Expected Time (Te) of the project is 24 time units. The critical path of the project contains all the activities with Total Slack (TS) equal to zero (0). Then, the critical path of the project is A-B-D-G-H-J.

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