Sebuah proyek pembangunan jembatan diturfukan dengan aktivitas-aktivitas dan wakhu setiap aktivitas sebagai berikut. Aktivitas & }(c) Waktu (minggu) & Aktivitas yang Mendahului A & 1 & - B & 2 & - C & 3 & B D & 6 & A E & 4 & A.C F & 4 & B G & 1 & E.F proyek tersebut digambarkan dalam diagram jaringan kerja adalah

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Sebuah proyek pembangunan jembatan diturfukan dengan aktivitas-aktivitas dan wakhu setiap aktivitas sebagai berikut. Aktivitas & }(c) Waktu (minggu) & Aktivitas yang Mendahului A & 1 & - B & 2 & - C & 3 & B D & 6 & A E & 4 & A.C F & 4 & B G & 1 & E.F proyek tersebut digambarkan dalam diagram jaringan kerja adalah

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Answer 1

Diagram jaringan kerja proyek tersebut menunjukkan jalur kritis adalah A-C-E-G dengan durasi 9 minggu.

Answer 2

Step 1:

Understand the Project Schedule

The project schedule is given in a table format with activities, their durations, and preceding activities. This information is crucial to construct a network diagram that visually represents the sequence of activities and their dependencies.

Step 2:

Identify Activities and Dependencies

From the table:

- Activity A has no preceding activities and takes 1 week.
- Activity B follows A and takes 2 weeks.
- Activity C also follows A and takes 3 weeks.
- Activity D follows B and takes 4 weeks.
- Activity E follows C and takes 4 weeks.
- Activity F follows both A and C and takes 3 weeks.
- Activity G follows both E and F and takes 1 week.

Step 3:

Construct the Network Diagram

To construct the network diagram:

1. Start with Activity A since it has no predecessors.
2. Draw arrows from A to B and A to C, indicating that B and C follow A.
3. Draw an arrow from B to D, indicating that D follows B.
4. Draw an arrow from C to E, indicating that E follows C.
5. Draw arrows from A and C to F, indicating that F follows both A and C.
6. Finally, draw arrows from E and F to G, indicating that G follows both E and F.

Step 4:

Determine the Critical Path

The critical path is the longest path through the network diagram, determining the minimum project duration. Calculate the total time for each path:

- Path A-B-D-G: \(1 + 2 + 4 + 1 = 8\) weeks
- Path A-C-E-G: \(1 + 3 + 4 + 1 = 9\) weeks
- Path A-C-F-G: \(1 + 3 + 3 + 1 = 8\) weeks

The critical path is A-C-E-G with a duration of 9 weeks.

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