critical path identification

1. NUST - NICE
Assignment # 1: Activity on arrow
diagram
Construction Project Mgmt.

2. Start
D
5
D2
38
A
2
0
6
4
22
0
43
J
12
55
43
43
B
14
H6
C 13
I 11
15
10
8
F
15
D1
E
G
15
12
15
15
17
15
55
32
10
K
20
32
End

3. Start
D
5
D2
38
A
2
F
8
E
15
D1
17
G
15
12
15
15
KEY:
From Backward Pass
From Forward Pass
55
I 11
15
15
12
14
H6
C 13
10
J
43
43
B
0
6
4
22
0
43
Critical Path
55
32
10
K
20
32
End

4. I
node J node Activity
2
4
2
8
8
4
4
14
2
12
8
10
12
10
10
4
10
6
6
14
10
14
4
6
12
8
A
B
C
D
E
F
G
H
I
J
K
D2
D1
Duration
ES
EF
22
0
10
0
13
15
5
38
15
0
17
15
15
15
6
32
11
32
12
43
20
32
0
38
0
15
22
10
28
43
15
32
30
38
43
55
52
38
15
LS
LF
21
43
5
15
30
43
50
55
0
15
15
32
17
32
37
43
32
43
43
55
35
55
43
43
15
15
TF
21
5
15
12
0
0
2
5
0
0
3
5
0
FF
16
5
10
nil
0
0
2
0
0
nil
nil
5
0