Pengembangan Model Adaptive Work Breakdown Structure dan Dynamic Critical Path Method untuk Optimasi Docking Armada Tug & Barge Berbasis Supply Chain Opportunity Cost pada PT XYZ
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Industri logistik maritim untuk komoditas energi sangat bergantung pada keandalan operasional armada Tug & Barge. PT XYZ menghadapi tantangan dengan waktu henti kapal yang berkepanjangan selama proses docking, yang memicu kerugian finansial akibat meningkatnya biaya perbaikan langsung galangan kapal dan biaya peluang rantai pasokan dalam distribusi batu bara hilir. Studi ini bertujuan merumuskan strategi percepatan docking yang optimal untuk armada Tug & Barge PT XYZ melalui integrasi Work Breakdown Structure (WBS) dan Critical Path Method (CPM). Pendekatan kuantitatif-deskriptif menggunakan metode studi kasus digunakan untuk menganalisis data historis dan wawancara lapangan. WBS dirancang secara hierarkis hingga tingkat paket kerja, secara ketat menggabungkan peraturan undang-undang Biro Klasifikasi Indonesia (BKI) untuk mengakomodasi potensi pekerjaan tak terduga. Critical path analysis (CPM) digunakan untuk memetakan urutan aktivitas yang menentukan total durasi proyek, yang kemudian dioptimalkan melalui teknik kompresi penjadwalan (crashing dan fast-tracking). Kebaruan penelitian ini terletak pada modifikasi optimasi Time-Cost Trade-Off (TCTO) dengan mengintegrasikan Supply Chain Opportunity Cost (SCOC) ke dalam perhitungan total biaya. Hasil studi ini diharapkan memberikan rekomendasi penjadwalan docking taktis, meminimalkan waktu henti armada, sekaligus menjamin keandalan rantai pasokan batu bara nasional.
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