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Draw network. Identify critical path
written 6.9 years ago by gravatar for teamques10 teamques10 ★ 68k •   modified 2.8 years ago

Mumbai University > Civil Engineering > SEM 8 > Construction Management

Marks: 12M

Details of activities of a construction project are given below. Draw network. Identify critical path. Determine values of total float, free float & independent float of all the activities.

Activity Preceding Activity Duration (days)
A - 5
B A 2
C A 6
D B 12
E D 10
F D 9
G D 5
H B 9
I C, E 1
J G 2
K F, I, J 3
L K 9
M G, H 7
N M 9
construction management
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written 6.9 years ago by gravatar for teamques10 teamques10 ★ 68k
Activity Preceding Activity Duration (days) EST EFT LST LFT TF FF Ind F
A - 5 0 5 0 5 0 0 0
B A 2 5 7 5 7 0 0 0
C A 6 5 11 23 29 18 18 18
D B 12 7 19 7 19 0 0 0
E D 10 19 29 19 29 0 0 0
F D 9 19 28 21 30 2 2 2
G D 5 19 24 21 26 2 0 0
H B 9 7 16 17 26 10 8 8
I C, E 1 29 30 29 30 0 0 0
J G 2 24 26 28 30 4 4 2
K F, I, J 3 30 33 30 33 0 0 0
L K 9 33 42 33 42 0 0 0
M G, H 7 24 31 26 33 2 0 -2
N M 9 31 40 33 42 2 2 0

Network:

enter image description here

Project duration = 42 days

Critical path = 10-20-30-40-50-80-100-110

Critical activity = A-B-D-E-I-K-L
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