Question: For the data given in the following table, it is required to: Draw the network. Calculate ES, EF, LS, and LF for each activity. Calculate

For the data given in the following table, it is required to:

  • Draw the network.
  • Calculate ES, EF, LS, and LF for each activity.
  • Calculate the total project duration.
  • Calculate total float and free float for each activity.
  • Indicate the critical path.

No.

Activity name

Duration (days)

Successor

Relationships (dependencies)

Lead/lag (days)

1

Make specification

10

2 4

Finish - to- start Finish - to- start

0 0

2

Make drawings

50

3 5 6

Start- to- start Finish - to- start Finish - to- start

+10 0 0

3

Conclude steel purchase

25

6

Finish - to- start

0

4

Buy equipment

20

7

Finish - to- start

0

5

Obtain authorizations

30

8

Finish - to- start

0

6

Pre- producing sections

25

9

Finish- to- start

0

7

Run function tests

10

9

Finish - to- start

0

8

Make board folders

20

10

Finish - to- start

0

9

Carry out assembly

70

10

Finish - to- start

0

10

Inspection

5

None

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