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All Journal Jurnal Teknologi Maritim PROCEEDINGS CONFERENCE ON DESIGN AND MANUFACTURE AND ITS APPLICATION
Risya Tiara Prasetyawidandi
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analisis Optimasi Waktu dan Biaya Crashing Project Dengan Metode Critical Path dan Time Cost Trade Off Pada Proyek Pembangunan Galangan Kapal Risya Tiara Prasetyawidandi; Renanda Nia Rachmadita; Dian Asa Utari; Lusia Eni Puspandari
Jurnal Teknologi Maritim Vol 5 No 2 (2022): Jurnal Teknologi Maritim
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M) - PPNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/jtm.v5i2.1526

Abstract

Industri galangan kapal merupakan industri fabrikasi di sektor perkapalan yang melibatkan penggunaan material dan praktek manufaktur. Dalam pembangunan kapal, keterlambatan penyelesaian proyek pembangunan kapal berarti pihak galangan kapal harus membayar denda (penalty) keterlambatan sesuai dengan yang tertera pada perjanjian kontrak. Seperti dalam kasus proyek pembuatan Kapal Pengawas Perikanan Aluminium 17M oleh PT. Batam Expresindo Shipyard ini, pelaksanaannya mengalami keterlambatan sehingga galangan harus membayarkan denda sebesar 1 per mill dari nilai kontrak per harinya. Salah satu solusi yang dapat dilakukan adalah dengan melakukan crashing project pada pekerjaan yang berada pada lintasan kritis. Penelitian ini menggunakan Critical Path Method (CPM) dan metode Time Cost Trade Off. Hasil analisis didapatkan bahwa waktu dan biaya optimal dengan alternatif penambahan tenaga kerja dan penambahan jam kerja sebesar 5 jam dari jam kerja normal dengan produktivitas 80%. Durasi crashing project yang dihasilkan adalah 30 hari lebih cepat dari durasi aktual, dari total durasi proyek 222 hari menjadi 192 hari dengan penambahan biaya crashing project sebesar Rrp. 76. 719.846
Analisis Optimasi Waktu dan Biaya Crashing Project Dengan Metode Critical Path dan Time Cost Trade Off Pada Proyek Pembangunan Galangan Kapal (Studi Kasus PT. Batam Expresindo Shipyard) Risya Tiara Prasetyawidandi; Renanda Nia Rachmadita; Dian Asa Utari
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 6 No 1 (2022): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The shipbuilding industry is a fabrication industry in the ship sector that involves the use of materials and manufacturing processes.. When a shipbuilding project is finished later than expected, the shipyard is required under the contract agreement to pay a penalty. PT Batam Expresindo Shipyard must pay a penalty equal to 1 mill of the contract value every day because the implementation is delayed, as was the case with the 17M Aluminum Fisheries Supervisory Shipbuilding project.One solution that can be done is by crashing the project on the work that is on the critical path. This research uses Critical Path Method (CPM) and Time Cost Trade Off method. The results of the analysis found that the optimal time and cost with an alternative addition of labor and additional working hours of 5 hours from normal working hours with a productivity of 80%. The resulting crashing project duration is 30 days faster than the actual duration, from a total project duration of 222 days to 192 days with an additional crashing project cost of Rp. 76. 719,846.
Co-Authors Dian Asa Utari Puspandari, Lusia Eni Renanda Nia Rachmadita