The following table gives data on nomal time and cost and crash time and cost for a project. Precedence Normal Time (weeks) Cost (K) Time (weeks) Activity Crash activity Cost (K) A 300 2 400 B A 3 30 3 30 A 720 7 810 A 420 580 250 4 300 F D 20 1 40 G C, E, F 320 4 410 4 400 3 470 G 13 780 10 900 J H 10 1000 1200 a) Draw the network b) Identify the critical path c) What is the normal project duration and associated cost? d) Find the total float, free float for each activity. e) Crash the relevant activities systematically and determine the optimum tim e and cost.

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Need help with sub question c, d and e.

The following table gives data on nomal time and cost and crash time and cost for a
project.
Activity
Precedence
Crash
Normal
Time (weeks) Cost (K)
Time (weeks)
activity
Cost (K)
A
3
300
2
400
A
3
30
3
30
C
A
720
7
810
D
A
7
420
580
300
40
5
250
4
F
D
2
20
1
G
C, E, F
320
4
410
G
4
400
3
470
G
13
780
10
900
J
H
10
1000
9.
1200
a) Draw the network
b) Identify the critical path
c) What is the normal project duration and associated cost?
d) Find the total float, free float for each activity.
e) Crash the relevant activities systematically and determine the optimum tim
e and cost.
Transcribed Image Text:The following table gives data on nomal time and cost and crash time and cost for a project. Activity Precedence Crash Normal Time (weeks) Cost (K) Time (weeks) activity Cost (K) A 3 300 2 400 A 3 30 3 30 C A 720 7 810 D A 7 420 580 300 40 5 250 4 F D 2 20 1 G C, E, F 320 4 410 G 4 400 3 470 G 13 780 10 900 J H 10 1000 9. 1200 a) Draw the network b) Identify the critical path c) What is the normal project duration and associated cost? d) Find the total float, free float for each activity. e) Crash the relevant activities systematically and determine the optimum tim e and cost.
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