Calculating Float

Calculating FloatA) 32
B) 33
C) 31
D) 35
A) 0
B) 16
C) 10
D) 15
A) 0
B) 5
C) 13
D) 7
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Activity
Precedence
Duration
Start
0
D
Start
4
A
Start
6
F
4. Critical Path
6. Backward Pass (LF LS)
Calculating Float
Q
A
1
2
3
“A”
“B”
“C”
“D”
“E”
“F”
“G”
“H”
4. Critical Path
6. Backward Pass (LF LS)
Calculating Float
4. Critical Path
6. Backward Pass (LF LS)
Calculating Float
4. Critical Path
6. Backward Pass (LF LS)
6
5
8
4
8
7
5
7
6
4
6
13
4
12
13
18
25
33
13
18
18
25
The latest Late Finish of the preceding activities determines Early Start
6
4
13
12
4. Critical Path
6. Backward Pass (LF LS)
The latest Early Finish of the preceding activities determines Critical Path
12
13
18
33
6
4
4. Critical Path
6. Backward Pass (LF LS)
0
0
0
0
0
Calculating Float
4. Critical Path
6. Backward Pass (LF LS)
0
0
0
0
0
0
6
25
33
6
13
13
18
18
25
Activities on the Critical Path have LS=ES and LF=EF
Calculating Float
4. Critical Path
6. Backward Pass (LF LS)
The earliest Late Start of the following activities determines Late Finish
33 – 5 = 28
28 – 13 = 15
4. Critical Path
6. Backward Pass (LF LS)
Calculating Float
Q
A
1
B
2
D
3
A
4. Critical Path
6. Backward Pass (LF LS)
1
1
Calculating Float