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7/21/2019 PENGELOLAAN DAN PERENCANAAN PROYEK
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Tugas I I
Hitung EST, EFT, LST, LFT dan Slack Time pada tabel di bawah.
Kegiatan Durasi (Hari) Awal Akhir
A 4 - B C D
B 4 A E
C 4 A F
D 6 A G
E 10 B -
F 6 C -
G 6 D -
Jawab:
Membuat Critical Path Method (CPM)
Bar Chart Jadwal Kerja
7/21/2019 PENGELOLAAN DAN PERENCANAAN PROYEK
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Perhitungan EST, EFT, LST, LFT dan Slack Time
Kegiatan A
Kegiatan B
Kegiatan C
EST = EFT – durasi
= 4 – 4
= 0
EFT = EST + durasi
= 0 + 4
= 4
Slack Time = LFT – EFT
= 4 – 4
= 0
LST = LFT – durasi
= 4 – 4
= 0
LFT = LST + durasi
= 0 + 4
= 4
EST = EFT – durasi
= 8 – 4
= 4
EFT = EST + durasi
= 4 + 4
= 8
Slack Time = LFT – EFT
= 8 – 8
= 0
LST = LFT – durasi
= 8 – 4
= 4
LFT = LST + durasi
= 4 + 4
EST = EFT – durasi
= 8 – 4
= 4
EFT = EST + durasi= 4 + 4
= 8
Slack Time = LFT – EFT
= 12 – 8
= 4
LST = LFT – durasi
= 12 – 4
= 8
LFT = LST + durasi
= 8 + 4
7/21/2019 PENGELOLAAN DAN PERENCANAAN PROYEK
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Kegiatan D
Kegiatan E
Kegiatan F
Kegiatan G
EST = EFT – durasi
= 10 – 6
= 4
EFT = EST + durasi
= 4 + 6
= 10
Slack Time = LFT – EFT
= 12 – 10
= 2
LST = LFT – durasi
= 12 – 6
= 6
LFT = LST + durasi
= 6 + 6
EST = EFT – durasi
= 18 – 10
= 8
EFT = EST + durasi
= 8 + 10
= 18
Slack Time = LFT – EFT
= 18 – 18
= 0
LST = LFT –
durasi
= 18 – 10
= 8
LFT = LST + durasi
= 8 + 10
EST = EFT – durasi
= 14 – 6
= 8
EFT = EST + durasi
= 8 + 6
= 14
Slack Time = LFT – EFT
= 18 – 14
= 4
LST = LFT – durasi
= 18 – 6
= 12
LFT = LST + durasi
= 12 + 6
LST = LFT – durasi
= 18 – 6
= 12
LFT = LST + durasi
EST = EFT – durasi
= 16 – 6
= 10
EFT = EST + durasi
= 10 + 6
= 16
Slack Time = LFT – EFT
= 18 – 16
= 2
