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All Journal International Journal of Marine Engineering Innovation and Research Proceeding Maritime Business Management Conference
Gaguk Suhardjito
Politeknik Perkapalan Negeri Surabaya
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Analysis of Performance Losses Related to Shaft Angle on Fishing Boats Using the Free Running Model Test Method Aang Wahidin; Rachmad Tri Soelistijono; Fitri Hardiyanti; Lilik Subiyanto; Gaguk Suhardjito; Subagio So’im
International Journal of Marine Engineering Innovation and Research Vol 8, No 2 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i2.16417

Abstract

Several traditional fishing boats in Sendang Biru, Malang Regency are of the sekoci type using an inboard engine drive system with the position of the propeller shaft installed at an angle to the ship's base line. Based on the theory can reduce the performance of the ship propulsion system up to (2-3)%. In this research, we analyzed how much performance was lost/decreased on the lifeboat type fishing boats installed above. The method we use is the Free Running Model Test by making a model of a traditional fishing boat type of lifeboat with a model size of Loa = 100 cm, Lwl = 80.72 cm, B = 19.7 cm, H = 10.68 cm and T = 5, 08 cm made of aluminum sheet. The Free Running Model Test uses 1 motor and propeller which has a thrust of 60 watts, remote control equipment uses the main component of the NRF24L01 transceiver which works at a frequency of 2.4 Ghz with a range of 240 meters to 1 kilometer with conditions without obstacles and camera equipment drone to record the track. The results of this study show that there is a decrease/loss of performance at a 3-degree angle of 0.24%, at a 5-d. gree angle of 0.49%, at a 10-degree angle of 2.52%, at a 15-degree angle of 4.41% and at an angle of 20 degrees of 6.48%.
ANALISIS RISIKO OPERASIONAL AKIBAT KERUSAKAN PACKAGING DAN FERRO NICKEL PADA PERUSAHAAN LOGISTIK SURABAYA MENGGUNAKAN METODE FMEA DAN FISHBONE DIAGRAM Nurin Cahyantika; Gaguk Suhardjito; Yugowati Praharsi
Proceeding Maritime Business Management Conference MBMC: Proceeding Maritime Business Management Conference 2023
Publisher : Program Studi D4-Manajemen Bisnis, Jurusan Teknik Bangunan Kapal, Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/mbmc.v2i2 2985-379.2599

Abstract

The Surabaya Logistics Company has a form of integration of all Freight Forwarding businesses in general, starting from the goods sent to the goods arriving at the destination country. In all Freight Forwarding business activities, problems are certainly not spared. The problems that occur are packaging damage and Ferro Nickel. Damage to the packaging and Ferro Nickel occurred because the Hoang Trieu 69 or break bulk ship did not use a professional guide ship so the Hoang Trieu 69 or break bulk ship hit a coral reef which couldtear the ship's wall. Damaged packaging and Ferro Nickel resulted in less effective operational activities. This loss has an impact on operational activities at the Surabaya Logistics Company. The purpose of this research is to identify and analyze the problem, theconsequences it causes, and the solution to the problem. So this study uses the Failure Modeand Effect Analysis (FMEA) method to look for risks that are processed to calculate the RiskPriority Number (RPN) and critical risks found in the Surabaya Logistics Company. Criticalrisks are used to find the root cause using the Fishbone Diagram method. In this study uses the Failure Mode and Effect Analysis (FMEA) method and the Fishbone Diagram method. The results of the study show that there is 1 critical risk that requires risk management. In handling risk at the Surabaya Logistics Company, it uses 4 strategies, namely immediate action, immediate attention, periodic attention, and annual evaluation. So this research was conducted to minimize the future of the Surabaya Logistics Company.
ANALISA PENJADWALAN ULANG PEMBANGUNAN PROYEK WORK BOAT MENGGUNAKAN METODE PERT Achmad Rifqi Nu’man; Fitri Hardiyanti; Gaguk Suhardjito
Proceeding Maritime Business Management Conference MBMC: Proceeding Maritime Business Management Conference 2023
Publisher : Program Studi D4-Manajemen Bisnis, Jurusan Teknik Bangunan Kapal, Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/mbmc.v2i2 2985-379.2602

Abstract

Ship transportation is the main support for the process of crossing between lands by water. One of the shipconstructions being carried out by PT. EMPAT SEKAWAN MARINE, namely the FRP work boat, wherethere was a delay in its completion, the project was planned to be completed in 30 days, but the company carried out the work to be completed within 37 days. The purpose of this study is to determine the durationand critical path in the network, and the probability of project completion. The method used is PERT. Theresearch results were obtained from the PERT method, namely the critical path in the network is found in the activities of the ship's hull (body), electrical systems, machining and steering systems, and safety equipment. The duration obtained from the PERT method is 34 days. The probability obtained at the client'srequest within a duration of 30 days, produces a probability value of 3.6% the possibility that the project can be completed on time and 96.4% the possibility that the project will be delayed. Calculation of the duration with the PERT method produces 34 days with a probability value of 50% the probability that the project can be completed and 50% the project will be postponed. Meanwhile, the company's work with a duration of 37 days produces a probability value of 90.9% probability that it can be completed and 9.1% possibility of project completion experiencing setbacks.
ANALISIS KETERLAMBATAN PROSES BONGKAR MUAT KAPAL BULK CARRIER DENGAN METODE FMEA PADA PERUSAHAAN PELAYARAN DISURABAYA Erna Amalia Nugrahini; Gaguk Suhardjito; Yugowati Praharsi
Proceeding Maritime Business Management Conference MBMC: Proceeding Maritime Business Management Conference 2023
Publisher : Program Studi D4-Manajemen Bisnis, Jurusan Teknik Bangunan Kapal, Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33863/mbmc.v2i2 2985-379.2604

Abstract

Shipping companies in Surabaya actively carry out coal loading and unloading on bulk carrierships with an average cargo of 39,400 MT. Based on company data, the loading and unloading process in one year experienced 19 incidents of delays. There were 8 incidents ofloading delays and 11 incidents of unloading delays. This incident resulted in reduced profitsbecause operational costs increased every day. This research aims to identify the root causesof delays in loading and unloading and provide mitigation strategies. This research uses the fishbone method to identify the root causes of loading and unloading delays and the FMEA (Failure Mode And Effect Analysis) to identify the most dominant root causes. Meanwhile, mitigation strategies are determined by interviewing company experts and journal referencesthat are in line. The results showed 12 root causes of delays consisting of 5 factors (man, machine, method, materials, and environment). The dominant root cause in the FMEA questionnaire shows waiting for the arrival of coal trucks to the warehouse, with an RPN value of 346,5. From these results, recommendations for improvementsthat can be made arecoordination with shippers, and agents, and the need to improve port facilities.
Co-Authors Aang Wahidin Achmad Rifqi Nu’man Akseptori, Ristanti Erna Amalia Nugrahini Farizi Rachman Fitri Hardiyanti Lilik Subiyanto Muhammad Haffid Indra Brillyanto Nurin Cahyantika Soelistijono, Rachmad Tri Subagio So’im Yugowati Praharsi