Module 2 : Project Planning

Early and Late Schedule : Example 1


Job Duration ES EF LS LF TF
a 2 0 2 1 3 1
b 3 0 3 0 3 0
c 1 2 3 11 12 9
d 4 3 7 3 7 0
e 5 7 12 7 12 0
f 8 7 15 10 18 3
g 6 12 18 12 18 0
h 4 12 16 14 18 2
i 3 18 21 18 21 0


Early Start( ES ) : It is the earliest time at which an activity may start.
Early Finish( EF ) : It is the finish time of an activity when started at its ES.
Late Start ( LS ) : It is the latest time at which an activity may start without delaying the project beyond the critical path duration.
Late Finish( LF) : It is the latest finish time of an activity when started at its LS.
Total Float (TF) : It is the amount by which an activity may be slided without increasing the project duration.
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Prof.S.G.Deshmukh & Prof.Arun Kanda