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All Journal Jurnal Teknik Industri TEKMAPRO Journal of Industrial Engineering and Management JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) Kaizen : Management Systems and Industrial Engineering Journal JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Journal Technology and Implementation Bussines JIEMS (Journal of Industrial Engineering and Management Systems) IJIES (International Journal of Innovation in Enterprise System) Jurnal Teknologi dan Terapan Bisnis Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Surya Teknika JISO : Journal of Industrial and Systems Optimization Jurnal Senopati : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Seminar Nasional Hasil Riset dan Pengabdian (SNHRP) Jurnal i tabaos Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Jurnal Teknologi dan Terapan Bisnis Journal Community Service Consortium Jurnal Taguchi : Jurnal Ilmiah Teknik dan Manajemen Industri Integrasi : Jurnal Ilmiah Teknik Industri
Putu Eka Dewi Karunia Wati
Universitas 17 Agustus 1945 Surabaya
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Nursing Public Health Transportation Other

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Relayout Fasilitas Produksi di UD. X Menggunakan Metode FTC dan Simulasi Diskrit untuk Efisiensi Material Handling Adipura, Rahma; Wati, Putu Eka Dewi Karunia
SURYA TEKNIKA Vol 12 No 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9364

Abstract

Inefficient material handling can lead to increased production time, higher operational costs, and a greater risk of product damage. UD. X is a manufacturing company that produces motorcycle spare parts and is currently experiencing inefficiencies in its facility layout, resulting in suboptimal material flow. This study aims to redesign the facility layout to improve the efficiency of the material handling system. The methods used include the From-To Chart (FTC) for analyzing material movement between workstations, as well as discrete event simulation to evaluate the performance of layout alternatives. Data collected includes inter-departmental distances, frequency of material movement, process time, and total material travel distance. The results show that the proposed layouts successfully reduce material travel distance and handling costs. The best alternative achieved a total travel distance of 1080.05 meters and a material handling cost of Rp27,954.
Analisis Kelayakan Investasi Mesin Pencetak Bola untuk Memenuhi Kebutuhan Pasar Abdillah, Nanda Moh Surya; Wati, Putu Eka Dewi Karunia
SURYA TEKNIKA Vol 12 No 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9395

Abstract

UD. XYZ is facing increasing market demand for striped plastic ball variants but does not yet have a machine capable of producing the product. This study aims to evaluate the feasibility of investing in purchasing a small striped plastic ball molding machine as a strategic solution. A financial feasibility analysis was conducted using the Net Present Value (NPV), Internal Rate of Return (IRR), Benefit-Cost Ratio (BCR), and Payback Period (PP) methods. The evaluation results indicate that this investment is highly feasible, with a positive NPV of Rp144,594,680, an IRR of 68.48% (exceeding the benchmark interest rate of 10%), and a BCR of 1.295. The payback period is estimated to be only 1 year 5 months 12 days, indicating a fast and efficient return. The implementation of this machine is expected to increase production capacity, meet market demand, and strengthen the company's competitiveness and growth.
Relayout Gudang Produk Jadi dengan Pendekatan Class- Based Storage di PT. XYZ Septia, Wulan; Wati, Putu Eka Dewi Karunia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46522

Abstract

Warehouse efficiency involves the optimal management of space and time. PT. XYZ is a manufacturing company that produces pipes and fittings; however, it has not yet implemented a product classification system or location labeling, resulting in inefficient item retrieval processes. This study aims to redesign the warehouse layout using a class-based storage approach combined with ABC analysis. The classification results show that Spr products consist of Class A (68.49%), B (20.55%), and C (10.96%), while Exc products consist of Class A (69.47%), B (20%), and C (10.53%). Products with diameters ranging from 5/8” to 4” are recommended to be stored on racks, while those with diameters greater than 4” should be placed on the floor. This layout is expected to improve the efficiency of the item search and retrieval process in the warehouse
Perencanaan Pengadaan Biji Plastik Guna Meminimasi Biaya Pembelian Bahan Baku Sari, Ayu Widya Puspita; Wati, Putu Eka Dewi Karunia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46535

Abstract

As a company engaged in the plastic sack manufacturing sector, PT. XYZ is highly dependent on plastic pellets as the main material in its production activities. Currently, the company’s raw material inventory planning is inefficient, necessitating improvements in inventory control. One effective method to address this is Linear Programming, which supports decision-making by optimizing the allocation of resources such as machinery, labor, capital, time, capacity, and materials. In this case, PT. XYZ procures raw materials from two suppliers with varying capacities and costs while facing storage limitations. The study focuses on minimizing raw material purchasing expenses. Findings reveal that sourcing solely from the first supplier, with a purchase volume of 1,577,852 kg, results in the lowest cost of Rp 4.141.861.464,54. Utilizing Linear Programming led to a cost reduction of Rp 1,621,664,213.62 compared to previous procurement strategies.
Relayout Lantai Produksi Tenda Guna Meminimasi Jarak Perpindahan Material Berlian, Devin Agni; Wati, Putu Eka Dewi Karunia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46723

Abstract

CV. XYZ is a tent manufacturing company based in Surabaya facing issues with its production facility layout, which does not follow the actual production flow. This results in long material handling distances and inefficient workflow. This study aims to redesign the layout to minimize material movement distances and optimize space utilization. The methods used include observation, interviews, the creation of an Operation Process Chart, Multi Product Process Chart, From-To Chart, Systematic Layout Planning analysis, and simulation using FlexSim software. The research sample includes all workstations on the production floor of CV. XYZ. The results show that proposed layout 2 reduces the Material Handling burden by 29.01% and increases space utilization from 46.52 m² to 88.55 m². It is recommended that the company implement the proposed layout to enhance production efficiency.
Perencanaan Pengadaan Biji Plastik Guna Meminimasi Biaya Pembelian Bahan Baku Sari, Ayu Widya Puspita; Wati, Putu Eka Dewi Karunia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.47911

Abstract

As a company engaged in the plastic sack manufacturing sector, PT. XYZ is highly dependent on plastic pellets as the main material in its production activities. Currently, the company’s raw material inventory planning is inefficient, necessitating improvements in inventory control. One effective method to address this is Linear Programming, which supports decision-making by optimizing the allocation of resources such as machinery, labor, capital, time, capacity, and materials. In this case, PT. XYZ procures raw materials from two suppliers with varying capacities and costs while facing storage limitations. The study focuses on minimizing raw material purchasing expenses. Findings reveal that sourcing solely from the first supplier, with a purchase volume of 1,577,852 kg, results in the lowest cost of Rp 4.141.861.464,54. Utilizing Linear Programming led to a cost reduction of Rp 1,621,664,213.62 compared to previous procurement strategies
Analisis Penyebab Ketidaksesuaian Akurasi Stok pada PT. X Mariska, Dewi Refi; Wati, Putu Eka Dewi Karunia
SURYA TEKNIKA Vol 12 No 1 (2025): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v12i1.9410

Abstract

PT. X is a leading ceramic tile manufacturer in Indonesia, with three main production facilities located in Surabaya, Gresik, and Bekasi, and warehouses located in Bali, Bandung, Jakarta, and Medan. This research aims to analyze and identify the impact of warehouse stock accuracy on the company’s operational needs. Stock accuracy also aims to identify the main factors that significantly contribute to inventory discrepancies in PT. X's warehouses and to formulate improvement strategies as recommendations that can be implemented to increase stock accuracy and achieve the goals set by the company in supporting overall warehouse operational effectiveness. This study uses the Root Cause Analysis method to identify and analyze the factors that are parameters of low stock accuracy in the warehouse, with the support of 5W+1H, Fishbone Diagram, and Pareto Diagram analyses to determine the root causes in detail. The findings of this study can be used as a basis for decision-making related to warehouse stock policies, stock opname scheduling, and improving stock accuracy.
Money Back Warranty on Pricing in Dual Channel Supply Chain (Case Study : Garlick Store Surabaya) Nainggolan, Devi Julietta; Alhilman, Judi; Supratman, Nurdinintya Athari; Nuha, Hilyatun; Karunia Wati, Putu Eka Dewi
International Journal of Innovation in Enterprise System Vol. 2 No. 1 (2018): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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

Abstract

The development of internet brings great influence in business management, especially in supply chain. Transaction conducted through the internet in supply chain known e-fulfillment, is an integrated process from receiving customer order, managing transaction, warehousing, managing transportation, communicating, with customer using media of information technology. Online sales concept opens up the researchers to conduct research on online sales and offline sales simultaneously, known Dual Channel Supply Chain (DCSC). One category of products that are sold using this structure is fashion product. However, selling fashion product using DCSC structure it still has shortcomings and challenges. Due to customer can not make a selection, viewing and researching product and quality inspaction product dierctly. Based on this, some enterprises provide product warranty sales system offered. Warranty as a guarantee given to customer to provide security and comfort for making purchases. Warranty gives impact on price of product, both online and offline. This leads to the need to do a calculation the optimum price considering money back warranty. Optimum price obtained in the model demand function using quadratic programming adressing the objective function in the form profit maximum in individual channel (Pw, Ps dan Po) as well as whole profit in DCSC by considering the value of money back warranty (g). The result obatained is optimum price for two scenarios. There are optimum price in individual channel without money back warranty and optimum price in online channel with accomodate money back warranty. Keywords—dual channel supply chain (DCSC); money back warranty; optimization.
A Prototype of High Rise Residential Management Systems in Malaysia: A Case Study for Seroja Apartment Nuha, Hilyatun; Wati, Putu Eka Dewi Karunia; Mokhsin, Mudiana; Shahuddin, Ahmad Zambri; Zainol, Amer Shakir; Mohd Som, Mohd Husni; Binti Hazemi, Nurhaziani
International Journal of Innovation in Enterprise System Vol. 4 No. 1 (2020): International Journal of Innovation in Enterprise System
Publisher : School of Industrial and System Engineering, Telkom University

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

Abstract

Residential high-rises are unique properties that differ from landed properties such as bungalows or terrace houses. They are unique insofar as, after the properties have been occupied, facilities must be jointly managed by residents. The continuous growth of high-rise residential buildings specifies that there is a need for effective ownership and property management system to instill a valuable living experience among high-rise residents in this country. Looking at this scenario, this research takes an initiative to develop a mobile application that supports streamline information with assistive features to improve communication and information sharing for high-rise residential management in Malaysia. This aim is achieved by answering three research objectives, including identifying user requirements, designing the application prototype and developing the artefact and evaluating the artefact. The study was conducted together with LT Sdn Bhd, the property management company responsible in managing and maintaining property related matters of Seroja Apartment. An adopted conceptual framework for property management based on the sustainable indicator dimensions for property management and applicable features from existing mobile application to develop the artefact has been proposed. The conceptual framework was proposed based on literature review and nature of work observed on site. Lastly, the study successfully validated the proposed adopted framework against the artefact, the MyLT mobile application.
Analisis Kelayakan Investasi Mesin Pencetak Adonan Guna Meningkatan Kapasitas Produksi pada UMKM Nek Wik di Bawean Bahri, Syamsul; Wati, Putu Eka Dewi Karunia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 1 (2024): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i1.21706

Abstract

UMKM Nek Wik is an UMKM that operates in the food sector, namely producing posot-posot which is a typical cracker from Bawean Island. In the production process, there is a process that is still done manually, namely the dough molding process, which takes a long time, making production slow and production targets and demand are sometimes not met, therefore it is necessary to procure a dough molding machine to speed up the production process and meet targets and consumer demands. With the addition of this dough molding machine, an investment feasibility analysis is needed to find out whether this dough molding machine is worth investing in or not. Based on the results of the analysis of the feasibility of investing in a dough molding machine at Nek Wik MSMEs, the following conclusion was obtained: from the calculation of the Net Present Value (NPV) a positive result of IDR was, which means NPV>0 so it is worth investing. From the results of the Internal Rate of Return calculation, a result of 43.45% was obtained, where this result was greater than the initial interest rate, namely 9.08%, so the investment was worth implementing. From the results of the Payback Period calculation, the investment value for the machine is 8.36 months or 251 days, meaning that because the payback period is less than the economic life of 5 years, the investment is feasible. From the results of the Profitability Index calculation, it is 1.43, which means the PI value is> 1, so the investment in purchasing a dough molding machine is feasible.
Co-Authors Abdillah, Nanda Moh Surya Adhindha Putri Mayangsari Adipura, Rahma Berlian, Devin Agni Binti Hazemi, Nurhaziani Damayanti, Olivia Kartika Dony Mahardhika Elisabeth Lidya Yulianti Faizatul Amimah Firmansyah, Roziq Hartatik, Nurani Hery Murnawan Hery Murnawan Hery Murnawan Hery Murnawan Hery Murnawan, Hery Hilyatun Nuha Hilyatun Nuha Ikha Ratih Damayanti Jifan Arif Permana Judi Alhilman, Judi Laksono, Priyo Budi Mariska, Dewi Refi Mela, Arij Basmin Basmala Miraningsih, Yessi Maretha Mohamad Syihabul Akbar Mohd Som, Mohd Husni Mokhsin, Mudiana Muhammad Ali Imron Muhammad Ali Imron Muhammad Taufan Elmahdi Firmansyah Nainggolan, Devi Julietta NOVI ANDARI Nuha, Hilyatun Nurdinintya Athari Supratman Prasetia, Angga Eka Prasetya, May Irvan Aji Prastyo, Ilham Dwi Putri Febrinda Ardika Tasya Putri, Vinka Aurelia Rahmat Ihsanul Ubaidillah Reneta Eka Pujiasza Ricky Elrangga Andriano Rico Alexsander Yulius Malonda Robby Ardiansyah Saputra, Satria Ardiansyah Sari, Ayu Widya Puspita Septia, Wulan Setiawan, Febri Hari Shahuddin, Ahmad Zambri Syamsul Bahri Tasya, Putri Febrinda Ardika Utomo, Edwin Adi Vinka Aurelia Putri Vinka Aurelia Putri Zainol, Amer Shakir