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Pengendalian Persediaan dan Waktu Tunggu Pengiriman pada Perusahaan Online Store di Jakarta Hutabarat, Lisva Monang; Mudjiardjo, Mudjiardjo; Sholihah, Sita Aniisah; Nofrisel, Nofrisel; Sundoro, Oni Yudo
Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG) Vol. 10 No. 2 (2023): Juli
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/j.mtl.v10i2.1097

Abstract

The purpose of the study is to determine the impact of direct and indirect contribution of inventory control and delivery lead time of PT. Jakarta Notebook service quality and employees’ performance. The main problem of the study was the inadequate warehouses’ inventory control which cause out of stock and re-order when customers place orders. It is due to slow and inaccurate employees’ services. Another problem was caused by the frequent delay of the goods delivery to customers that impact on the service quality. This research used a quantitative research method. This study took 36 employees of PT Jakarta Notebook from the warehouse operation division as the respondents. The data collection was carried out by distributing questionnaires and analysing the data using Partial Least Square. The results show that inventory control and lead time partially contribute to service quality and employees’ performance. The service quality contributes to employees’ performance and could mediate the contribution of inventory control on employees’ performance. However, the service quality has not able to mediate the lead time contribution on employees’ performance of PT Jakarta Notebook warehouse operational division.
The Facilities and Infrastructure Readiness of Indonesian Shipping Company Sholihah, Sita Aniisah; Afriliani, Desri; Bijaksana, Gena; Abdurachman, Edi; Ricardianto, Prasadja; Ferdiansyah, Anton
Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG) Vol. 12 No. 2 (2025): Juli
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/j.mtl.v12i2.1381

Abstract

A shipping company was assigned to deliver heavy cargo owned by electric steam power plant, PLTU SUMSEL-8. The company should prepare the necessary facilities and infrastructure to ensure a smooth delivery. The research purpose is to analyze the impact of facility and infrastructure readiness on the smooth transport of heavy cargo mediated by the supervision of the shipping company. The study used a Quantitative method with data collected through Likert-scale questionnaire distributed to a sample of 30 operational employees directly involved in the task. The data analysis was conducted using Path Analysis. The result shows a positive and significant influence of facility and infrastructure readiness on the supervision provided by the company. However, there is a less significant direct influence of the facilities and infrastructure readiness of the heavy cargo smooth transportation that could be interpreted as the possibility of other factors determine the smooth transportation apart from the facilities and infrastructure readiness.
ANALISIS PERENCANAAN RUTE PENGIRIMAN BARANG MENGGUNAKAN METODE VEHICLE ROUTING PROBLEM (VRP) Ferdiansyah, Anton; Sholihah, Sita Aniisah; Rifni, Muhammad; Grets, Egi Sirasj; Situmorang, Johan Kiara; Oktaviany, Intan
Jurnal Sistem Transportasi & Logistik Vol. 1 No. 1 (2021): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v1i1.632

Abstract

The purpose of this study was to determine the optimal route for the delivery of Samsung Electronics goods from Distribution Center (DC) to Retail Stores in the Jabodetabek area. DC functions as a warehouse to deliver goods to the customers. In the distribution of goods to each customer, unoptimal routes is a problem being faced company. This study was designs to determination of the delivery route using the Vehicle Routing Problem (VRP), the Saving Heuristics model. The results show that the mileage is reduced by 19% (107 km), with fuel savings of 20.1% and the total time is reduced by 22.6% or 3.3 hours. 
Analisis Daya Saing Terminal Kendaraan Domestik Berbasis Pada Kinerja Logistik Dan Strategi Pemasaran Di Pelabuhan Patimban Herdian, Tedy; Ferdiansyah, Anton; Ponto, Karen Nevia Abigail; Puspita, Sesaria Mardhiani Rachma; Bijaksana, Gena; Sholihah, Sita Aniisah
Jurnal Sistem Transportasi & Logistik Vol. 2 No. 1 (2022): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v2i1.967

Abstract

Domestic CBU flows at Car Terminal of Tanjung Priok Port are increasing. This resulting in a decrease of utilization in the open field at domestic car terminals. This can lead to excessive cost increases and also cause congestion in the Tanjung Priok Port area. Therefore, the Car Terminal at Patimban Port was built with the aim of reducing logistics costs caused by congestion at Tanjung Priok Port. This study aims to describe the competitiveness based on logistics performance and the right marketing strategy to be applied at the Domestic Car Terminal of Patimban Port in 2021.The research method used is descriptive qualitative with an approach using Resource Based View (RBV) analysis, Politic, Economics, Social, Technology, Legal,and Environment Analysis PESTLE analysis and Five Forces Porter Model Analysis. Furthermore, to determine the strengths, weaknesses, opportunities and threats of the Domestic Car Terminal at Patimban Port SWOT analysis and also 7 P's Marketing Mix was used to determine the right marketing strategy. The results of this study reveal that The Domestic Car Terminal of Patimban Port doesn’t have competitiveness yet according to Porter Competitiveness indicator. Therefore, marketing strategy has been identified and developed for the sustainable of Domestik Car Terminal business in Patimban Port. In terms of logistics performance, the Domestic Car Terminal facility is one of the strength factors for the Domestic Car Terminal of Patimban Port.
Penerapan Metode Line Balancing dengan Pendekatan Ranked Position Weight, Regional Approach, dan Largest Candidate Rules Poncotoyo, Wahyu; Puspita, Sesaria Mardhiani Rachma; Zain, Muammar Fuad; Sholihah, Sita Aniisah; Ferdiansyah, Anton; Ayutia, Yolla
Jurnal Sistem Transportasi & Logistik Vol. 1 No. 3 (2022): APRIL
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v1i3.1088

Abstract

Line Balancing is an assignment of a number of jobs into interconnected work stations in one line or assembly line with the aim of minimizing idle time on the hydraulic excavator assembly line, the assembly line specification has 27 work stations with 150 work elements. In the process of assembling the hydraulic excavator, there was an overtime that exceeded the takt time at work station 18 (BF 04), which resulted in the failure to achieve the production target of 5 units/day. One way to overcome this problem is to apply the line balancing method on the hydraulic excavator assembly line, the approach used is the Regional Approach, Ranked Positional Weight, and Largest Candidate Rules. Based on the analysis that has been done, it can be concluded that the Ranked Positional Weight approach has the best value with the number of work stations 18, line efficiency of 95.70%, balance delay of 4.30% and idle time of 66.84 minutes and also has good results. better than the initial conditions before the line balancing method was applied. 
Analisis Ketidaksesuaian Status Barang Outbound di Gudang Cargo Distribution Center Maulana, Andy; Wiguna, Esa Setia; Alvionita, Nabila; Sholihah, Sita Aniisah; Poncotoyo, Wahyu; Firmansyah, Iqbal
Jurnal Sistem Transportasi & Logistik Vol. 2 No. 1 (2022): Agustus
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v2i1.1258

Abstract

PT X equips their warehouse with a system called the Warehouse Management System (WMS) to help manage every work process in the warehouse. In the operation of this WMS, there is a problem of discrepancies in the status of goods between the status of goods in the WMS and conditions in the field which causes workflows such as activities for Customs purposes to be hampered and the quality of company information decreases. The problem of discrepancies in the status of these goods needs to be mapped in a structured manner and the cause of this discrepancy in the status of goods is sought in order to improve the quality of the company's warehouse services so this research needs to be carried out. In this study, the Seven Tools method was used to identify the level of discrepancy and analyze what factors caused the discrepancy in the status of the goods. The results showed that the average percentage of item status discrepancies was 34.43% during April 2021 - June 2021. it was found that the Man, Method, and Machine factors were the main causes of the discrepancy in the status of the goods.
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 Perencanaan Rute Distribusi Beras Premium Menggunakan Metode Vehicle Routing Problem Dengan Algoritma Tabu Search Azizi, Dimas Akbar; Sholihah, Sita Aniisah; Sitorus, Purbanuara Parlindungan
Jurnal Sistem Transportasi & Logistik Vol. 4 No. 3 (2025): April
Publisher : Institut Transportasi dan Logistik Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54324/jstl.v4i3.2419

Abstract

PT. X focuses on warehousing logistics, transportation, and pest eradication services. In the distribution of rice, PT. X hands over to its subsidiary engaged in transportation services. The subsidiary of PT. X has problems faced, namely the number of varied delivery destinations, different requests for each customer and route determination still relying on the experience of the driver. Therefore, this research was conducted to determine the optimal route in delivery, by minimizing the total distance traveled, calculating the total minimum cost resulting from the calculation of the Tabu Search Algorithm. The results of the study, the total distance on the company's initial 4 routes amounted to 372.6 Km and the overall initial cost of 4 routes incurred by the company amounted to Rp. 1,654,244. After using the Tabu Search Algorithm, 3 new route proposals were generated amounting to 298.5 Km and the overall cost for 3 routes was Rp. 1,339,223 which means getting a distance savings of 74.1 Km and shipping cost savings of Rp. 315,021. The route results obtained using the Tabu Search Algorithm are, Route 1: (0-C4-C60) with a distance of 45.8 Km, route 2: (0-C1-0) with a distance of 85 Km, route 3: (0-C3-C5-C2-0) with a total distance of 167.7 Km.