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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan BERKALA SAINSTEK Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil International Journal of Marine Engineering Innovation and Research Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan Jurnal Jalasena
Intan Baroroh
Universitas Hang Tuah
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Transportation

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Hospital Auxiliary Vessel Fore Part Zone Planning to Improve Productivity with Precedence Diagram Method Wenny Prawati; Intan Baroroh
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 2 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i2.6454

Abstract

The rapid development of Construction Management in Indonesia demands an efficient scheduling system to overcome project complexity. This study focuses on the process of building a hospital ship at one of the large shipyards in East Java, especially in the Fore Part Zone which has a high level of complexity and a limited number of blocks. Delays in this project are caused by several technical constraints such as machine breakdowns and drawing delays. This research aims to improve productivity by using the Precedence Diagram Method (PDM), which enables more optimal work scheduling by overcoming overlapping activities. Three scheduling scenarios were compared: Existing, Plan A, and Plan B. Plan A involved crashing techniques with the addition of overtime hours to accelerate critical Assembly activities (A13 and A14), resulting in a project duration of 301 days and productivity of 74.80 JO/day. Plan B integrated the drawing availability milestone as a prerequisite for the start of fabrication, and applied the same crashing as Plan A. As a result, Plan B was able to complete the project in 284 days with the same productivity, but with a more realistic and adaptive scheduling approach to field conditions. Based on critical path analysis and time efficiency, Plan B is the most optimal schedule for the construction of Fore Part Zone. This research is expected to be a reference in planning and controlling complex ship construction projects.
Co-Authors Adam Erlanda Syarif Dzaky Adam Ahmad Basuki Widodo Akhmad Basuki Widodo Ali Azhar Ali Azhar Amrozi, Akhmad Aniek Sulestiani Arisetya, Danny Arisetya Saputra Bagiyo Suwasono Bagus Aditya Budiman, Karma Darmawan, Mochammad Rizky Didik Hardianto Eko Febrianto Tarigan Ekowanti, Mas Roro Lilik Galuh Valent Setiawan Gazali, Goldy Sandy Gustaf Wasito, Tuesdaysaka Hardianto, Dididk Karma Budiman Kristiyono , Tri Agung Kristiyono, Tri Agung Kristiyono, Tri Agung Kusuma Aditya, Bagus Mariano Xavier Freitas, Fidel Laranjinha Mas Roro Lilik Ekowanti Minto Basuki Muhammad Heldyan Ilham Ndaru Gilang Ramadhan Ndaru Gilang Ramadhan Oktafiana, Laily Okta Prabawathya Poundra, Gde Rendra Ardianto Siswo Hadi Sumantri Suharyoko Sumantri, Siswo Hadi Tarigan, Eko Febrianto Tri Agung Kristiyono Wenny Prawati