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Jurnal Sistem Transportasi & Logistik
Published by Institut Transportasi dan Logistik Trisakti
ISSN : -     EISSN : 28077105     DOI : https://doi.org/10.54324/jstl
Core Subject : Engineering,
Transportation
Jurnal Sistem Transportasi & Logistik is a scientific periodical published by the Faculty of Transportation Systems and Logistics, Institute of Transportation and Logistics (ITL) Trisakti. It serves as an academic responsibility and a realization of the “Tri Dharma” of higher education. The journal focuses on the following areas: Transportation Policy and Logistics Systems; Planning and Development of Transportation and Logistics Systems; and Planning and Operation of Transportation and Logistics Systems.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 78 Documents
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Analisis Faktor Faktor Yang Mempengaruhi Kinerja Bongkar Muat Dengan Fishbone Analysis di Terminal Mustika Alam Lestari Leki, Michael Julianto; Ramadhan, Wicaksono Rezeki
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 1 (2024): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i1.2406

Abstract

PT Mustika Alam Lestari is one of the companies engaged in port services in Indonesia. The company focuses on providing loading and unloading services at port terminals, as well as managing other supporting facilities related to port activities. PT Mustika Alam Lestari (MAL) was selected as a partner of PT Multi Terminal Indonesia (MTI) in the operation of Berths and Stacking Fields 214 and 300 as a “multipurpose” terminal at Tanjung Priok port. This research uses descriptive analysis method. Based on the results of the Fishbone analysis, several main factors that hinder the loading and unloading process at Terminal Mustika Alam Lestari were identified, namely the Man, Method, Machine, and Enviroment factors. Based on the identification of obstacles above, several recommendations can be taken to minimize inhibiting factors and improve loading and unloading performance: HR Training and Development, Process and Method Optimization, Equipment Maintenance and Modernization, and Handling External Conditions.
Analisis Pengaruh Kinerja Karyawan Dan Kualitas Pelayanan Terhadap Loyalitas Pelanggan Pada Pt. Azure Samudera Karsa Labella, Intan Freshia
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 1 (2024): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i1.2407

Abstract

PT. Azure Samudera Karsa is a company engaged in the marine sector that focuses on ship surveys (Marine inspection/survey) & seafarer certificates (Marine ceritifcation services) & Procurement of Goods (Provision Supply). The purpose of this study was to determine and analyze the influence of employee performance and service quality on customer loyalty at PT. Azure Samudera Karsa. The method used in this study is a quantitative method, involving 84 respondents using a sampling technique with the Slovin formula and using a questionnaire (Likert scale) and library research. And hypothesis testing using SPSS version 23. Data analysis used descriptive statistical tests, data instrument tests (validity tests and reliability tests), classical hypothesis tests including normality tests, multicollinearity tests, heteroscedasticity, multiple linear regression analysis, coefficient of determination and hypothesis tests (partial tests or t tests and F tests). The results of the regression analysis showed that employee performance and service quality variables had a positive and significant effect on customer loyalty. The results of the t test showed that employee performance and service quality had a significant partial effect on customer loyalty. Based on the results of the F test, it was found that employee performance and service quality simultaneously have a significant effect on customer loyalty.
Analisis Tata Letak Gudang Distribusi Pada Perusahaan Aerospace Menggunakan System Layout Planning Dan Metode Class Based Storage Poncotoyo, Wahyu; Kania, Dinar; Sihombing, Sarinah; Puspitsa, Sesaria Mardhiani Rachma; Sholihah, Sita Aniisah; Fauziah, Luluk
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 1 (2024): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i1.2408

Abstract

Aerospace company faces inefficiencies in warehouse layout and frequent occurrences of both shortages and surpluses of aircraft components. This study employs causal forecasting methods to predict component demand over the next five years and implements the Class Based Storage method. The results show annual demand fluctuations ranging from 651 to 829 items, with high forecasting accuracy. The optimization of the warehouse layout using Class Based Storage successfully enhances storage efficiency and space utilization, contributing to the development of effective warehouse management strategies.
Model Green Logistik Pada Proses Industri Dan Penggunaan Produk (LPPU) Di Industri Semen Untuk Menurunkan Emisi Karbon Dioksida Noviansyah, Denny; Mada, Danie Hayam; Sholihah, Sita Aniisah; Arifa’i, Achmad Muhyidin; Yasir, Angel Farahnia
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 1 (2024): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i1.2409

Abstract

In the current development of globalization, one of the industrial sectors that continues to grow every year is the cement industry because cement is the main material in the construction process. Research institutions state that cement contributes around 8% of the world's carbon dioxide (CO2) emissions and the largest comes from industrial processes and product use (IPPU) so that the concept of environmentally friendly logistics can be implemented to reduce CO2 emissions. This study uses the Dynamic System method. The results of the study show that the use of alternative raw materials and alternative fuels can reduce CO2 emissions generated from the cement production process. This is evidenced by the results of the first scenario, namely Business as Usual, which is 334.90 KgCO2, then decreased by 38.2% or to 207.02 KgCO2 in the second scenario, namely the use of alternative raw materials, and in the third scenario, namely the use of alternative fuels, it also decreased by 68.9% or to 100.88 KgCO2.
Pendekatan Lean Distribution Untuk Mengurangi Waste Pada Proses Distribusi Semen Gholiyah, Salsabila; Saputra, Rizqi; Sholihah, Sita Aniisah; Chamsudi, Danie Hayam
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 1 (2024): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i1.2410

Abstract

In a company that provides transportation and distribution services for bulk cement materials. The problem is the increasing delay that comes from waste in the cement distribution process. The purpose of this study is to find out the existing business processes and identify waste to make business processes more effective. The method used to conduct the research is Value stream Mapping, to facilitate the waste identification process, the Activity Mapping tool is used. Waste that has been identified is categorized according to seven waste. Based on the root cause of waste, a proposal for improvement is designed using the streamlining method. After being given a proposal to improve the recommendation, it can be described as a prediction of the future state map and the final result will be validated by simulation using Arena Software. Based on the results of the research, there are 2 categories of waste found in the process of shipping goods, the identified waste is waiting and transportation. After being given recommendations for proposed improvements, it is known that it can cut the process time by 9 hours and 10 minutes or 44% of the total cycle time.
Analisis Rute Pengiriman Kapal Peti Kemas Domestik Untuk Efisiensi Logistik Perusahaan Pelayaran Dengan Pendekatan Simulated Annealing (Studi Kasus Pt. XXX) Putri, Kania Sekar Dinda; Herdian, Tedy; Febriansyah, Anton
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 2 (2024): Desember
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i2.2411

Abstract

An abstract is a brief Route optimization and cargo optimization have a role in efforts to streamline the company's operational logistics activities. There are 5 routes on PT Temas Shipping, the results of the research are one route that dominates the least cargo, especially on the Sumatra route dominated by the skinny route or the least cargo. The method used is Traveling Salesman Problem (TSP) with Simulated Annealing (SA) approach. Based on the results of research based on MATLAB software, it can be found that the results of the comparison of the minimum optimization value between alternative ships and existing conditions, namely ship alternative 1 with a difference in the value of 10.16% (existing conditions ship 0. 117 tons and alternative ships 0.116 tons) in the existing condition of the ship, alternative ship 2 with a difference value of 406.56% (existing condition of the ship 0.7 tons and alternative ship 0.03 tons) in the existing condition of the ship In the existing condition of the ship. While testing the route using simulated annealing obtained the results of alternative route 1 with a smaller optimization value with a difference of 0.78% (Existing condition route of 1,424 Nm and Alternative route of 1,346 Nm) than the existing condition route..
Analisis Pemborosan (Waste) Pada Aktivitas Inbound Bulky Warehouse Menggunakan Metode Value Stream Mapping (VSM) Dan Fishbone Virdania, Rayna; Trihastari, Ulin; Kania, Dinar Dewi
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 2 (2024): Desember
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i2.2412

Abstract

Company X, which operates in the e-commerce sector, provides end-to-end logistics services, including supply chain management, distribution, transportation, and storage. Currently, the company faces challenges in achieving inbound KPI targets due to a lack of communication regarding standard operating procedures (SOPs), resulting in slow and time-consuming inbound processes. This study aims to analyze the entire inbound process at Company X’s bulky warehouse using Lean Warehousing and Value Stream Mapping (VSM) techniques. The findings show improvements in time efficiency, with Value Added (VA) time decreasing from 210 minutes to 165 minutes, Non-Value Added (NVA) time reduced from 135 minutes to 25 minutes, and Necessary Non-Value Added (NNVA) time reduced from 105 minutes to 50 minutes after implementing VSM. By applying VSM and improvements using streamlining tools, Company X successfully enhanced time efficiency and reduced waste in the inbound process.
Analisis Pengendalian Kualitas Part In House Box Fuel Inlet Pada Proses Stamping Dengan Menggunakan Metode Six Sigma Untuk Mengurangi Biaya Rantai Pasok (Studi Kasus PT. DPM) Purnamasari, Hylda Kusuma; Poncotoyo, Wahyu; Sitorus, Purbanuara Parlindungan
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 2 (2024): Desember
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i2.2413

Abstract

PT. DPM is a manufacturing company engaged in the production of bodies, motorcycle spare parts (2 wheels) and cars (4 wheels). The company handles several types of parts on cars focused on the stamping area, in this study analyzing part quality control in the Box Fuel Inlet sub-group. During the production process there are known problems, namely the existence of defects or defects in the accuracy of clearance or gaps. This shows that the quality of goods is not optimal in the Box Fuel Inlet sub-group. For this reason, it is necessary to carry out an analysis of quality control in order to be able to reduce the number of defects or to produce zero defects. The method used in this study uses Six Sigma with DMAIC (Define, Measure, Analyze, Improve and Control) stages and to determine critical points or failure modes with the highest risk value to provide recommendations or recommended actions. The results showed that the highest defect was found in the D30 Fuel Inlet Box with a total defect of 31 pcs. The Capability Process (CP) calculation shows that the three Box Fuel Inlet sub-groups are below the normal limit
Potensi Penerapan Transit Oriented Development Dalam Meningkatkan Pengguna Transportasi Publik: (Studi Kasus : Stasiun Depok Baru) Suryobuwono, Abdullah Ade; Marpaung, Edward; Permana, Luh Putri Septia
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 2 (2024): Desember
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i2.2414

Abstract

Transportation problems greatly affect the growth of community mobility, land use as a support for transportation. The purpose of this study is to determine the potential for implementing Transit Oriented Development (TOD) so that it is easily accessible to commuter line service users and makes it easier to transfer modes, the analysis method uses PTV Vissim software, SPSS (Statistical Package for the Social Sciences), Geoffrey's statistical test E. Havers (GEH). Jalan Margonda Raya 2023 (Existing) is known to have a Level Of Service C with an average free flow speed of 45.39 Km/hour with a capacity of 4086.72 cur/hour, the degree of saturation (DS) value is 0.7 . the results of the calculation of stopped vehicles, obtained an average value of 0.99 seconds for stopped vehicles, a minimum value of 0.99 seconds, and a maximum value of 0.99 seconds. From the results of calculating vehicle speed, an average value of 21.51 km/hour is obtained, a minimum value of 21.51 km/hour and a maximum value of 21.51 km/hour. All GEH calculated values generated from data are smaller than 5 (<5 GEH) means that there is no significant difference for the data pair and the model is declared valid. The application of TOD at the new Depok station is reviewed from 8 aspects of TOD. It is considered to have the potential to apply Transit Oriented Development.
Analisis Kinerja Operasional Bongkar Muat Barang Di Kade Baru Timur Pelabuhan Sunda Kelapa S, Susmitha Theresia
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 2 (2024): Desember
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i2.2415

Abstract

The role of ocean transport is essential to economic, social, government, defense and security for island areas like Indonesia. Indonesia is rich in islands that own more vast oceans than land. With Indonesia's harbor one of the key functions in assisting with the mobility of products and consumer goods from around the world. Sunda coconut harbor was established in 1527 and was operating from the 5th century onward, having an area of 1,760 acres [760 ha] and a pool of 16,470 acres [16,470 ha], the main harbor having an area of 12,700 feet [3,250 m] long and an area of 1,200 feet [1,200 m]. With the decision made by the sea crossing UM.002/3818/DJPL-11 on the harbor's standard operating service as one way to increase sea transport infrastructure, there should be an evaluation of the quality of operating performance of one of the harbor's oil plants. The harbor's operational performance of operations can be done by analysis by the drill method (berth hesancy ratio), BTP (berth the troughtput), BT (Berthing Time), YOR (yard sixancy ratio), ytp (yard throughput), TSH (ton of ship hour), sor (shed camp any ratio). Analysis explains that the 2000 ships' 2022 visit with the flow of ships, berthing time in 2022 73.52 hours. The performance of using the pier in march-december was (81.17%) in 2022 was too high to be compared with government standards. D productivity.

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