1. ES=32
EF=34
LS=33
LF=35
ES=10
EF=16
LS=10
LF=16
ES=4+6=10
EF=10
LS=4
LF=10
ES=16
EF=30
ES=35
EF=39
LS=35
LF=39
ES=39
EF=41
LS=39
LF=41
D(6)
E(14)
H(2)
B(6)
Latest EF
= Next ES
A(4)
K(2)
G(2)
J(4)
ES=0
EF=4
LS=0
LF=4
C(3)
ES=30
EF=32
LS=30
LF=32
F(5)
I(3)
Calculate Early
Starts & Finishes
ES=4
EF=7
LS=22
LF=25
ES=7
EF=12
LS=25
LF=30
ES=32
EF=35
LS=32
LF=35

2. ES=16 EF=30 LS=16 LF=30 ES=32 EF=34 LS=33 LF=35 ES=10 EF=16 LS=10
39-4=35
ES=35
EF=39
LS=35
LF=39
ES=39
EF=41
LS=39
LF=41
D(6)
E(14)
H(2)
B(6)
A(4)
Earliest LS
= Next LF
K(2)
G(2)
J(4)
ES=0
EF=4
C(3)
ES=30
EF=32
LS=30
LF=32
F(5)
I(3)
Calculate Late
Starts & Finishes
ES=4
EF=7
LS=22
LF=25
ES=7
EF=12
LS=25
LF=30
ES=32
EF=35
LS=32
LF=35

3. What is the critical path?
B(3) A4 D2
C(5)
E(5)
F(6)
G(4)
H(3)
What is the critical path?
A,B,E,G,H
A,C,E,G,H
A,C,F,G,H
A,D,F,G,H

4. What is ES, EF for G? 14, 18 15, 19 16, 20 17, 21 E(5) B(3) H(3) G(4)D2
C(5)
E(5)
F(6)
G(4)
H(3)
What is ES, EF for G?
14, 18
15, 19
16, 20
17, 21

5. What is LS, LF for C? 4, 9 5, 10 3, 8 6, 11 E(5) B(3) H(3) G(4) C(5)D2
C(5)
E(5)
F(6)
G(4)
H(3)
What is LS, LF for C?
4, 9
5, 10
3, 8
6, 11

6. E(5) B(3) H(3) G(4) C(5) A4 F(6) D2 ES 9 LS 10 EF 14 LF 15 ES 4 LS 7