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Perancangan Model Simulasi Tata Letak Gudang Bahan Baku Menggunakan Metode Shared Storage Pada PT. Hyundai Indonesia Motor Parwadi Moengin; Ilyas Noor Firdaus; Sucipto Adisuwiryo
JURNAL TEKNIK INDUSTRI Vol. 8 No. 2 (2018): Volume 8 N0 2 Juli 2018
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Problems at PT. Hyundai Indonesia Motor occurs in the warehouse of raw materials for local parts, Thailand parts, andbulky & trim areas where laying raw materials is not regular, does not fit shelves or pallets and there is no layout for laying rawmaterials on the shelves, so operators have difficulty finding raw materials to be processed and cause the time to extract raw materialsis greater and there is a delay in the delivery of raw materials to the production line. The purpose of this study was to design a simulationmodel for improving the warehouse layout of raw materials to minimize the time taken to take raw materials to the production line.The first step in evaluating the raw material warehouse layout at PT. Hyundai Indonesia Motor is by using a checksheet and a map ofthe process of extracting raw materials used to determine the condition of the warehouse of raw materials and the process of extractingraw materials. Next, make improvements to the raw material warehouse layout using the shared storage method. The first threeproposals proposed using the initial layout with the addition of material handling in the local area, the second proposal using the sharedstorage method, the third proposal using the shared storage method with the addition of material handling in the local area, thenselecting the proposal using the benferroni method and using the check sheet evaluation results so that the best proposal is obtained,namely in the third proposal with the fastest simulation time, namely the average simulation time of 63.47 hours. Compared with theinitial simulation which has a simulation time of 125.14 hours, in the third proposal there is a minimum time so that the time differenceis 61.7 hours for the initial simulation.

Perancangan Sistem Pendukung Keputusan Pemilihan Supplier Bahan Baku pada PT. Jayatama Selaras Nadira Iswari Narulita; Parwadi Moengin; Sucipto Adisuwiryo
JURNAL TEKNIK INDUSTRI Vol. 8 No. 2 (2018): Volume 8 N0 2 Juli 2018
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

PT. Jayatama Selaras is a manufacturer of plastic packaging in Indonesia. The problem faced by the company is the delay in the arrival of raw materials and the quality of raw materials that are not in accordance with the specifications provided by the company, so the process of returning or re-ordering needs to be carried out to new suppliers, which increases the time needed to procure raw materials. In addition, there is no integrated system in data storage that is related to the process of procuring raw materials, such as supplier data, and raw material data. The purpose of this study is to design a decision support system in providing an objective selection of alternative suppliers for the Purchasing Department of PT. Jayatama Selaras. The design of a decision support system starts with analyzing the current system using the PIECES framework. Next is creating a database using MySQL based on data management components. The next system design is designing component management models. The model used in the design of decision support systems at PT. Jayatama Selaras is AHP and TOPSIS. The last stage is designing components of dialogue management or user interfaces using the Visual Basic programming language. The results of the decision support system design show that the system can determine the best alternative suppliers, for PVC and LDPE raw materials, for LDPE raw materials to produce alternative sequences of suppliers PT. Indo Thai Trading, PT. Itochu Indonesia, PT. Tempo Nagadi Trading, PT. Kharisma Karya Plast, PT. Akino Indonesia Trading, PT. Panca Budi Pratama and PT. Unipack Plasindo. In addition, a decision support system designed to produce a database of existing suppliers and facilitate the ordering of raw materials to suppliers. The design of this decision support system is addressed to the purchasing department, production department, quality control department, and accounting department.

Usulan Perbaikan Tata Letak Lantai Produksi PT. Porter Rekayasa Unggul untuk Meminimasi Biaya Material Handling dan Waktu Produksi dengan Metode Pairwise Exchange dan Simulasi Arsinta Maissy Rantung; Parwadi Moengin; Sucipto Adisuwiryo
JURNAL TEKNIK INDUSTRI Vol. 8 No. 2 (2018): Volume 8 N0 2 Juli 2018
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

PT. Porter Superior Engineering is a manufacturing company engaged in transportation equipment. Production floor layout at PT. The Superior Engineering Porter has a work station that is not placed optimally so that the material transfer distance of the handling is far away. This affects the overall process of production, where the distance of material displacement that is not efficient affects the cost of using material handling and affects the overall production time. With the addition of the transfer time to the production carried out resulting in overload or excess production demand, so that the production target cannot be achieved in accordance with the number of orders caused by increased production time. Based on these problems, improvements are made using the Pairwise Exchange method for designing new layouts based on the minimum material handling costs and simulations as an evaluation of the proposed improvements to the new layout design. The first step in evaluating the production floor layout at PT. Superior Engineering Porters, namely by using Material Handling Check Lists and maps of the operation process. From the results of the Material Handling Check List and the map of the operating process, it is continued by designing the initial or actual production floor layout. Then design the initial production floor simulation model. After that, a verification and validation process was carried out on the design of the initial production floor simulation model. If valid, then improvements are made to the problems that exist in the production floor layout using the Pairwise Exchange method as a method to improve the existing layout based on the total minimum material transfer costs between departments. After repairs to the initial production floor layout with the results of the minimum material transfer costs, then proceed with the design of the proposed model simulation. There are three proposals on this problem. The first proposal uses the production floor layout with minimum displacement costs and the addition of material handling, the second proposal is to use the production floor layout with minimum displacement costs and the addition of machines, the third proposal is to use the production floor layout with minimum transfer costs and addition of material handling and number of machines, then selecting proposals using the bonferroni method and analysis of production so that the best proposals are obtained, namely in the second proposal with the results of units achieving production targets and minimum displacement costs 282, 61 hours and the production of 60 units in a month. Compared with the initial simulation which has a simulation time of 335.79 hours and the production of 50 units in a month.

Perancangan Model Simulasi Tata Letak Gudang Bahan Baku dengan Menggunakan Metode Shared Storage pada PT. Braja Mukti Cakra Nadya Adira Fabiani; Parwadi Moengin; Sucipto Adisuwiryo
JURNAL TEKNIK INDUSTRI Vol. 9 No. 2 (2019): VOLUME 9 NO 2 JULI 2019
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Braja Mukti Cakra (PT) is a company engaged in manufacturing that produces high-precision machined products, in the form of automotive components in Indonesia. Problems that occur at PT. Braja Mukti Cakra is in the warehouse of raw materials, where the laying of raw materials that are not optimal is due to the lack of naming and distribution of the types of raw materials on the shelves or pallets in the warehouse. This causes operators to have difficulty in finding raw materials to be sent to the production floor and causes the time to take raw materials to be long so that there will be delays in shipping to the production floor. The purpose of this study is to design a simulation model to improve the layout of the raw material warehouse from the storage area to the warehouse exit that can be used to evaluate the time taken for raw materials and the time of transfer of raw materials. In this study the first step is to evaluate the warehouse layout of raw materials using a checksheet to determine the condition of the current raw material warehouse and use a map of the raw material extraction process flow to determine the flow of the raw material extraction process. Next is the initial simulation model of raw material warehouse layout to understand the actual system. The model that has been built is then verified and validated. If the model is declared valid, improvements are made to existing problems by improving the warehouse layout of raw materials and the placement of existing raw materials using the shared storage method as a proposal for raw material warehouse layout. Standard raw placement, pay attention to raw materials that have the same purpose and are made into the same rack or pallet or located adjacent to the shelf or pallet to each other so as to get a shorter time in the shipping process. The number of proposed improvements in the raw material warehouse layout are 3 proposals. The first proposal is the addition of material handling, the second proposal uses the shared storage method and the third proposal uses shared storage methods and the addition of material handling. For the selection of the best proposals, the Benferonni method was used and used the results of the checksheet evaluation. The best proposal is the third proposal with the time of raw material collection and the transfer of raw materials to the warehouse exit which is equal to 71.18 hours. Compared with the initial simulation model which has the time to take raw materials and the transfer of raw materials to the warehouse exit of 122.23 hours. From this best proposal, it was obtained a time savings of 51.05 hours or 41.76%.

Perbaikan Tata Letak Lantai Produksi Menggunakan Metode Simulasi dan Systematic Layout Planning untuk Meminimasi Waktu Produksi di PT. Lestari Teknik Plastikatama Parwadi Moengin; Rahmatika Renanda Riyadina; Debbie Kemala Sari
JURNAL TEKNIK INDUSTRI Vol. 9 No. 3 (2019): Volume 9 No 3 November 2019
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Intisari— PT. Lestari Teknik Plastikatama merupakan perusahaan industri fabrikasi yang bergerak pada bidang dies, press, welding serta pada bidang manufaktur dalam pembuatan spare part kendaraan bermotor di Indonesia. Permasalahan yang terdapat pada lantai produksi perusahaan adalah waktu proses produksi yang lama. Waktu proses produksi yang lama disebabkan oleh jarak perpindahan antar mesin yang jauh. Produk yang diteliti yaitu Arm Side Stand 2PH-F7331-00. Tujuan penelitian ini adalah diperolehnya evaluasi dan usulan perbaikan tata letak dengan pendekatan simulasi serta metode Systematic Layout Planning dengan harapan dapat meminimasi waktu produksi. Penelitian ini dilakukan dengan cara memperbaiki tata letak lantai produksi dan menambahkan material handling kemudian hasil di simulasikan dengan software ProModel. Langkah awal metode simulasi adalah dengan membangun model konseptual. Langkah selanjutnya membuat model simulasi dan dianalisis dengan menggunakan software ProModel. Setelah layout awal dinyatakan valid, dilakukan perbaikan dalam permasalahan tata letak lantai produksi dengan metode Systematic Layout Planning. Dari metode ini diperoleh 5 alternatif layout. Usulan layout 1 (U1) berupa pertukaran lokasi antara mesin M/C 85T dengan mesin M/C 80T. Usulan layout 2 (U2) yaitu perpindahan area mesin Drill diletakkan bersebelahan mesin M/C 80T. Usulan layout 3 (U3) merupakan penambahan material handling pada layout awal. Usulan 4 (U4) merupakan penambahan material handling pada usulan layout 1. Usulan 5 (U5) adalah penambahan material handling pada usulan layout 2. Dari hasil simulasi, layout usulan 5 (U5) merupakan alternatif terbaik karena memiliki waktu rata-rata produksi sebesar 1290.25 jam atau mengalami penurunan waktu produksi sebesar 61.36%. Abstract— PT. Lestari Teknik Plastikatama is a fabrication industrial company engaged in the field of dies, press, welding as well as in the manufacturing sector in the manufacture of motor vehicle spare parts in Indonesia. The problem with the company's production floor is a long production process. The long production process time is caused by the long distance between machines. The product under study is the Arm Side Stand 2PH-F7331-00. The purpose of this study is to obtain an evaluation and proposed layout improvement with a simulation approach and the Systematic Layout Planning method in the hope of minimizing production time. This research was conducted by improving the layout of the production floor and adding material handling then the results were simulated with ProModel software. The initial step of the simulation method is to build a conceptual model. The next step is to create a simulation model and analyze it using ProModel software. After the initial layout is declared valid, an improvement is made in the production floor layout problem with the Systematic Layout Planning method. From this method obtained 5 alternative layouts. The proposed layout 1 (U1) is in the form of an exchange location between the 85T M / C engine and the 80T M / C engine. Proposed layout 2 (U2), which is the displacement of the Drill machine area, is placed next to the 80T M / C engine. Proposed layout 3 (U3) is the addition of material handling to the initial layout. Proposal 4 (U4) is the addition of material handling to the proposed layout 1. Proposal 5 (U5) is the addition of material handling to the proposed layout 2. From the simulation results, the proposed layout 5 (U5) is the best alternative because it has an average production time of 1290.25 hours or decreased production time by 61.36%.

SEBUAH MODEL PEMROGRAMAN BILANGAN BULAT UNTUK PENYELESAIAN MASALAH PENJADWALAN SUMBER MAJEMUK PARALEL SIMULTAN Parwadi Moengin; Felia Indah Kusuma
JURNAL TEKNIK INDUSTRI Vol. 2 No. 1 (2012): Volume 2 No 1 Maret 2012
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Manufacturing company engaged in textile manufacturing in the Job Order system with an extensive network and market orientation requires more attention to the quality of products and services that meet customer requirements, one of them by way of the fulfillment of an order at the time agreed in advance. The problems are often found in the companies are delays in the completion of orders. This is due to less optimal job scheduling order by weight or penalty different on each job which will ultimately lead to the total weighted delay of the delay comes from the accumulation of a different job with the weights. This paper is intended to help companies create a new and more optimal scheduling in order to minimize the total weighted delay in the completion of order.The model used in this paper is an integer linear programming model for resource-scheduling problem for multiple simultaneous parallel job-compound and compound-operation. The initial steps of the use of this model is the formulation of the decision variables, and the objective function is minimizing total weighted tardiness or delay subject to the limiting functions. Software used in the processing of this data is WinQSB. At the end of the text is given a numerical example using the proposed model.

PENERAPAN BLUE OCEAN STRATEGY DI PT. X DALAM MENGHADAPI PERSAINGAN PENJUALAN AUTOMATIC TANK GAUGING DI INDONESIA Nissyia Mazhaly; Dadan Umar Daihani; Parwadi Moengin
JURNAL TEKNIK INDUSTRI Vol. 2 No. 3 (2012): Volume 2 No 3 November 2012
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

PT. Bona Metal Packaging is a company that move within area of making alumunium tube. In the current era of globalization oil industry was thriving. Please note this problem in many companies today are focused to compete with each other (Red Ocean Strategy) of differentiation of goods, snatch market share, competitive advantage, and low cost strategy. Red Ocean Strategy is important, but at a certain saturation point of this strategy is no longerprofitable for the company. Therefore, it would be nice to begin to look for the Blue Ocean Strategy that tends away from the competition. The aim is to produce a new business development strategy and has Blue Ocean Strategy in PT.X Indonesia in the period from 2013 to 2014. By analyzing the external and internal analysis, and SWOT analysis will get the results of the Blue Ocean Strategy formulation is seen from the Strategy Canvas, 4 Action Frameworkand ERRC Grid. From the formulation of blue ocean strategy is obtained which is expected to know the alternative is a new strategy Blue Ocean in the oil and gas industry.

ANALISA JANGKA WAKTU PENGIRIMAN PADA LOGISTIK TRANSPORTASI PT.XYZ DENGAN METODE VALUE STREAM MAPPING Caecilia Dewi; Dadang Surjasa; Parwadi Moengin
JURNAL TEKNIK INDUSTRI Vol. 2 No. 3 (2012): Volume 2 No 3 November 2012
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

As petroleum construction company with working area spread in the whole world, PT. XYZ is required to always innovate both in terms of technology and in terms of management of management. XYZ Company considers that the period of time in the movement of materials, inventory and assets as well as cost control is the key of price and quality provided to consumers. This thesis try to give suggestions for improvement are made based on analysis of the current situation and seek a reduction in the delivery period through transportation andlogistics operational needs of the company. Study using stage 1). Mapping the condition of the delivery process by utilizing the concept of value stream mapping. 2). Identification of waste (waste) 3). Analyze waste using 5 why, 4) root cause analysis. 4). Eliminating nonvalue added time in the shipping process on logistics. 5). Formulate proposed implementation strategy to provide good quality service to consumers.

Perbaikan Tata Letak Lantai Produksi dan Penggunaan Alat Material Handling untuk Meminimasi Waktu Produksi Menggunakan Pendekatan Simulasi (Studi Kasus: PT. Sharp Electronics Indonesia) Parwadi Moengin; Eka Rahma Saputri; Sucipto Adisuwiryo
JURNAL TEKNIK INDUSTRI Vol. 10 No. 1 (2020): VOLUME 10 NO 1 MARET 2020
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Intisari— Persaingan industri yang terus berkembang mendorong PT. Sharp Electronics Indonesia sebagai perusahan industri elektronik rumah tangga selalu berupaya untuk meningkatkan kualitas dan kecepatan produksinya. Permasalahan yang terjadi di lantai produksi PT. Sharp Electronics Indonesia adalah keterlambatan waktu proses produksi. Hal ini disebabkan oleh tata letak fasilitas di lantai produksi yang kurang beraturan yang ditunjukkan dengan jarak antar area kerja yang jauh dan juga penggunaan alat material handling yang tidak optimal yang dapat menyebabkan perpindahan material menjadi lebih lama. Tujuan dari penelitian ini adalah untuk mengevaluasi tata letak lantai produksi dan penggunaan alat material handling serta melakukan perbaikan pada tata letak dan penggunaan alat material handling tersebut. Layout Checklist dan Material Handling Checklist digunakan untuk mengevaluasi tata letak dan penggunaan alat material handling yang diterapkan oleh perusahaan saat ini. Untuk meminimasi waktu produksi dilakukan perbaikan tata letak lantai produksi dengan menggunakan Systematic Layout Planning dan perbaikan penggunaan alat material handling dengan General Analysis Procedure serta melakukan usulan perbaikan dengan simulasi.Dari hasil perbaikan tata letak menggunakan Systematic Layout Planning didapat tata letak lantai produksi yang sesuai dengan nilai tingkat kedekatannya yang dapat meminimasi jarak perpindahan material dan dari perbaikan penggunaan alat Material Handling dengan General Analysis Procedure diperoleh waktu transportasi yang lebih singkat. Dengan menggunakan simulasi didapat 3 model skenario usulan dimana masing-masing skenario dapat mengurangi waktu produksi awal yaitu skenario 1 sebesar 19.33%, skenario 2 sebesar 12.47%, dan skenario 3 sebesar 27.87%. Ketiga model skenario mampu mengurangi keterlambatan waktu produksi dan ditinjau dari sisi tersebut maka skenario terbaik yang dapat dilakukan adalah skenario 3 dengan hasil minimasi keterlambatan waktu produksi terbesar.. Hasil dari usulan perbaikan ini menunjukkan bahwa tahapan perbaikan memberikan manfaat bagi perusahaan untuk mempercepat waktu produksinya.Abstract— Industrial competition which continues to grow encourages PT. Sharp Electronics Indonesia as a home electronics industry company always strives to improve the quality and speed of its production. The problems that occur on the production floor of PT. Sharp Electronics Indonesia is the time of the production process. This is due to the irregular layout of the facilities on the production floor, indicated by the distance between the working areas and the use of material handling tools that are not optimal, which can make the material take longer. The purpose of this research is to study the layout of the production floor and the use of material handling tools and to make improvements to the layout and use of these material handling tools. The Layout Checklist and Material Handling Checklist are used for the layout and use of the material handling tools the company currently employs. To minimize the time to repair the layout of the production floor using Systematic Layout Planning and use of material handling tools with General Analysis Procedures and make repairs with simulations.From the results of improving the layout using Systematic Layout Planning, it is obtained that the layout of the production floor is in accordance with the value of its proximity which can minimize the layout and from the improvement of the use of Material Handling tools with General Analysis Procedures obtained short transportation times. By using simulation simulations, scenario model scenarios where each scenario can reduce the initial time, namely scenario 1 by 19.33%, scenario 2 by 12.47%, and scenario 3 by 27.87%. The third model which is able to narrow down the time and review from this point of view, the best scenario that can be done is scenario 3 by minimizing the largest production time. The result of this increase shows that the improvement phase provides the company with the benefit of accelerating its production time.

Rail Transport Service Performance through Analytical Hierarchy Approach and Data Envelopment Analysis for PT. Kereta Api Indonesia (KAI) Parwadi Moengin; Fani Puspitasari; Nilla Nilla
JURNAL TEKNIK INDUSTRI Vol. 10 No. 2 (2020): Volume 10 No 2 Juli 2020
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Abstract--Railway transport being a service is provided in a space and time dimension. Providing a better quality of service requires higher inputs, so evaluating the performance without these considerations would give a biased result. The purpose of this paper is to assess the performance of the rail transport service by including the service delivery perspective of railways and look at the holistic concept of service delivery. The quality of service parameters have been chosen within the constraints imposed by availability of data and the formulated data envelopment analysis (DEA). The quality of service parameters include: punctuality; the level of consequential train accidents (safety); and the level of public complaints (customer satisfaction). It evaluates the performance of 9 zones of KAI on the basis of their efficiencies and identifies the exemplar zones. The results deduced from these studies can serve as performance targets in reward systems, performance scorecards, and control systems.DEA has been used as a benchmarking tool to evaluate the relative efficiency of the 9 zones. The input parameters are working expenses, number of employees, and equated track kilometers and the output parameters are loading of revenue, punctuality, passenger traffic kilometers, consequential train accidents, and public complaints. Malmquist index has been used to determine the temporal performance of each zone. KAI can use DEA to assess the performance of various zones and for improvement monitoring in the context of being a transport service provider. Inefficient zones can identify the parameters for improvement across the zones and along the time dimension. A huge working force for all the inefficient zones indicate over deployment of resources, which can be seen at the policy level. A redundancy for equated track kilometers indicates a non-optimum use of resources. Not giving enough importance to service quality could be one of the major findings of the inefficient zones.Intisari--Transportasi kereta api sebagai layanan disediakan dalam dimensi ruang dan waktu. Memberikan kualitas layanan yang lebih baik membutuhkan input yang lebih tinggi, sehingga mengevaluasi kinerja tanpa pertimbangan ini akan memberikan hasil yang bias. Tujuan dari makalah ini adalah untuk menilai kinerja layanan transportasi kereta api dengan memasukkan perspektif pemberian layanan kereta api dan melihat konsep holistik pemberian layanan. Parameter kualitas layanan telah dipilih dalam batasan yang diberlakukan dengan mempertimbangkan ketersediaan data dan analisis amplop data yang dirumuskan (DEA). Parameter kualitas layanan meliputi: ketepatan waktu; tingkat konsekuensi kecelakaan kereta api (keselamatan); dan tingkat keluhan publik (kepuasan pelanggan). Makalah ini mengevaluasi kinerja 9 zona (Daerah Operasi) KAI berdasarkan efisiensi mereka dan mengidentifikasi zona contoh. Hasil yang disimpulkan dari penelitian ini dapat berfungsi sebagai target kinerja dalam sistem penghargaan, penilaian kinerja, dan sistem kontrol.DEA digunakan sebagai alat benchmarking untuk mengevaluasi efisiensi relatif dari 9 zona. Parameter input adalah biaya kerja, jumlah karyawan, dan kilometer track yang disamakan dan parameter outputnya adalah pendapatan, ketepatan waktu, kilometer lalu lintas, jumlah penumpang, konsekuensi kecelakaan kereta api, dan keluhan publik. Indeks Malmquist digunakan untuk menentukan kinerja dari masing-masing zona. KAI dapat menggunakan DEA untuk menilai kinerja berbagai zona dan untuk perbaikan pemantauan dalam konteks menjadi penyedia layanan transportasi. Zona yang tidak efisien dapat mengidentifikasi parameter untuk peningkatan antar lintas zona dan dimensi waktu. Tenaga kerja yang sangat besar untuk semua zona yang tidak efisien mengindikasikan penyebaran sumber daya, yang dapat dilihat pada tingkat kebijakan.

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