Free dan Total Slack

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Transcript Free dan Total Slack

IF 3507

Manajemen Proyek Perangkat Lunak

2 sks Elisati Hulu

Department of Informatics

[email protected]

[email protected]

Simbol

ES Task#/D LS EF LF

D: Task Duration ES: Early Start EF: Early Finish LS: Late Start LF: Late Finish

ES,EF,LS,LF

2 B/5 2 7 7 0 0 A/2 2 2 2 6 C/3 5 9 7 4 D/6 13 13 5 9 9 E/4 13 13 F/3 13 16 16

Critical Path

Free Slack dan Total Slack  

Free slack

 Difference between early finish (EF) time of an activity and the earliest of the early start (ES) times of all its immediate successors

Total Slack

 Difference between late start (LS) and early start times (ES) or  Difference between latest finish (LF) and earliest finish times (EF)

Menghitung Free Slack D E F

Aktifitas

A B C

EF dari (i)

2 7 5 13 9 16

ES (i+1)

2 7 5 13 13 16 0 4 0

Free Slack

0 0 0

Menghitung Total Slack

Aktifitas ES

A B C D E F 0 2 2 7 5 13

LS

0 2 6 7 9 13

EF

2 7 5 13 9 16

LF

2 7 9 13 13 16

4 0 4 0 Total Slack 0 0