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A shipyard is a supporting element to meet the eligibility requirements through maintenance service for vessels and their engines. Lead time for ship repair may vary, depending on the condition of ship. The length of the ship repair process can lead to shipyard queuing. One attempt to improve the mechanism and ship repairing time is by analyzing the network. This study aims to identify the network diagram, to determine the critical path, and to find out the effectiveness of ship repair process. Activities and duration during ship repairing process were analyzed using critical path method (CPM) and measured the value of its effectiveness. The objects that were observed in this study are minor repairs and major repairs. The results showed that a minor repairs can be implemented in 7 days while based on productivity index it can be completed in 5 days and has a 98% effectiveness than the time alocated by the shipyard. Major repairs can be completed during 10 days; these repairing lead time were affected by damage to the machine which requires a long recovery process. Key words: CPM, effectiveness of ship repair, network analysis  ABSTRAK Galangan kapal merupakan unsur penunjang untuk memenuhi kebutuhan kelaikan kapal melalui perawatan beserta mesinnya. Proses perbaikan kapal dapat bervariasi tergantung dengan kondisi kapal. Lamanya proses perbaikan kapal dapat mengakibatkan terjadinya antrian galangan. Upaya untuk meminimalisir antrian kapal salah satunya dengan menganalisis jaringan kerjanya. Penelitian ini bertujuan untuk mengidentifikasi struktur jaringan kerja, menentukan jalur kritis serta mengetahui efektifitas proses perbaikan kapal. Proses dan waktu perbaikan kapal dianalisis menggunakan metode jalur kritis (Critical Path Method) kemudian dihitung nilai efektivitasnya. Hal yang diamati dalam penelitian ini yaitu perbaikan ringan dan perbaikan berat. Hasil penelitian menunjukkan bahwa penyelesaian perbaikan ringan di galangan KPNDP membutuhkan waktu selama 7 hari sedangkan berdasarkan index produktivitasnya dapat diselesaikan selama 5 hari dan memiliki efektivitas 98% dibandingkan waktu yang dialokasikan oleh galangan. Perbaikan berat dapat diselesaikan selama 10 hari, lamanya perbaikan ini dipengaruhi dengan kerusakan mesin yang membutuhkan proses perbaikan yang lama. Kata kunci: CPM, efektivitas perbaikan kapal, analisis jaringan kerja

marine fisheries/marine fisheries

JARINGAN KERJA DAN EFEKTIVITAS PERBAIKAN KAPAL DI GALANGAN KPNDP DKI JAKARTA, MUARA ANGKE (Network and Effectiveness of Ship Repair at KPNDP Shipyard DKI Jakarta, Muara Angke)