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Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
Published by Universitas Islam Negeri Sultan Syarif Kasim Riau
ISSN : 2460898X     EISSN : 27146235     DOI : http://dx.doi.org/10.24014/jti
Core Subject : Science, Social, Engineering,
Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering
(ISSN : 2460-898X) JTI merupakan jurnal akademik yang dipublikasikan 2 kali setahun, meliputi bulan Juni dan Desember. Tujuan jurnal ini menyediakan tulisan yang memiliki yang fokus pada bidang Teknik Industri. lebih lanjut jurnal ini dipulikasikan oleh Jurusan Teknik Industri Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan syarif Kasim Riau. Tulisan yang diterima merupakan hasil originalitas dan memberikan kontribusi yang belum pernah dipublikasikan sebelumnya.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 373 Documents
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Effectiveness Of Vessel Traffic Service Utilization By Commercial Vessels In Sorong Port Haryanto, Dwi; Setiyono, Muji; Irfandi H, M. Adam
JTI: Jurnal Teknik Industri Vol 10, No 2 (2024): December 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i2.35682

Abstract

This research aims to expolarate the utilisation of vessel traffic service (vts) in sorong waters by commercial vessels on the security and safety of shipping in sorong Port waters by knowing the effectiveness of the implementation of vts on its function and operation and knowing the suitability of services to applicable regulations. This research analyses the service procedures and reports of the implementation of VTS Sorong using qualitative descriptive methods, parsing data based on the results of observations, interviews and documentation. This research shows the data of commercial vessels using the vessel traffic service (VTS) in 2023, categorises the services into three services (incoming vessels, outgoing vessels and passing vessels), presents a graph and the percentage of services per month from the three service categories to the overall service. The results in this study explain that at the port of Sorong the use of ship traffic services has been effective, there are 9430 services at VTS Sorong in 2023, the most services are carried out in October with 924 services and the most used service category is by passing ships as much as 38%. There are several obstacles in the implementation of services at VTS Sorong, good coordination is needed between each related stakeholder in an effort to maintain shipping safety and security in these waters. Keywords: Vessel Traffic Service, Vts, Maritime, Ship Service
Evaluating Alternative Investment Options for Grinding Machines Using the Incremental Cost Method Arifah, Fatayaturrokhma Ilmala; Chumaidiyah, Endang; Suryana, Nanang
JTI: Jurnal Teknik Industri Vol 10, No 2 (2024): December 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i2.32030

Abstract

production capacity constraints. A key issue is the limited capacity of the grinding machine, which frequently overheats, leading to production delays and exceeding standard working hours. To address this problem, an investment in an additional grinding machine is proposed. A feasibility study was conducted by analyzing market, technical, and financial aspects using Net Present Value (NPV), Internal Rate of Return (IRR), and Payback Period (PBP). The results showed an NPV of IDR 4,824,298,738, an IRR of 34.72%, and a PBP of 3.85 years, indicating the investment’s feasibility. Additionally, an incremental cost analysis was performed to compare the existing condition with the proposed alternative, yielding a ∆ROR of 98%, which exceeds the Minimum Attractive Rate of Return (MARR) of 11.01%. These findings confirm that adding a grinding machine is the most viable alternative to enhance production capacity, accommodate growing demand, and improve operational efficiency. By implementing this investment, the company can optimize its production process, reduce overtime costs, and ensure a stable supply to meet market needs. The feasibility study provides valuable insights for decision-making in similar industries facing production limitations due to equipment constraints.Keywords: Feasibility Analysis, Incremental Cost Analysis, NPV, IRR, PBP
Analytical Study of Trends in Measuring Sustainability Performance and Indexes Jasri, Harpito; Kamil, Insannul; Fatrias, Dicky; Afrinaldi, Feri; Herryandie B.A, Alexie
JTI: Jurnal Teknik Industri Vol 10, No 2 (2024): December 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i2.33779

Abstract

Sustainability was a crucial underpinning for addressing and mitigating the impacts of climate change. It was not only considered a moral responsibility but also a key element in building a sustainable future. The measurement of sustainability index and performance played a very important role in various sectors because it provided an objective basis for evaluating the economic, social, and environmental impacts of a company or organization's activities. Various sectors needed to play a key role through the implementation of integrated sustainability activities, including efforts to reduce pollution, utilize resources efficiently, increase engagement with communities as stakeholders, and ensure sustainable economic progress. This study aimed to explore and analyze the trend of measuring sustainability index and performance that were developing from various relevant literature through a systematic literature review. The method used in this study was a systematic literature review by adopting the PRISMA-P stages. The PICOS Framework was used in compiling inclusion and exclusion criteria. The PRISMA-P 2020 protocol was employed in the screening process, and VOSviewer was used in the bibliometric analysis. Based on the analysis, it was concluded that research related to sustainability in the higher education and construction project sectors was important to explore further. The most popular method used was the mixed method, while observation and questionnaires were the most widely used data collection methods.Keywords: sustainability, index measurement, performance measurement, systematic literature review. 
Development of Anthropometrics Database for Ages 19-21 in West Nusa Tenggara: Optimizing Secondary Data for Industrial Product Design Kurnia, Fikrihadi; Pradityatama, Maharsa; Tawaqqal, Akbar
JTI: Jurnal Teknik Industri Vol 11, No 1 (2025): JUNI 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i1.35468

Abstract

This study aims to develop an anthropometric database for individuals aged 19-21 in West Nusa Tenggara (NTB) Province to support ergonomic product design tailored to local physiological needs. A descriptive quantitative approach was employed, involving direct measurements of body dimensions in a sitting posture from 52 samples selected via purposive sampling. Key measurements included sitting height, eye level while seated, shoulder height, popliteal length, and other relevant dimensions, analyzed for normality, sufficiency, and consistency. The data followed a normal distribution with sufficient sample validity. Percentile values (P1, P5, P50, P95, P99) revealed significant variations in body dimensions, providing a robust reference for ergonomic design across sectors like creative industries, education, healthcare, and agriculture. The anthropometric database enables designing inclusive, comfortable, and safe products that accommodate various body sizes, enhancing user experience and efficiency in NTB’s key industries. The study is limited to NTB’s 19-21 age group and seated posture measurements, restricting its applicability to Indonesia’s broader population or other postures. Future research should expand geographic scope and include diverse postures to enrich national anthropometric data. Keywords: Anthropometry, Ergonomic Design, Seated Posture, Percentiles, West Nusa Tenggara.  
TELOS Feasibility Analysis for Application Development Project using System Dynamics Approach Putri, Sinta Mulyani Dwi; Chumaidiyah, Endang; Sriwana, Iphov Kumala
JTI: Jurnal Teknik Industri Vol 11, No 1 (2025): JUNI 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i1.37009

Abstract

Organization X reported that 75% of its application development projects from 2020 to 2023 were overscheduled, with the ABC application project being the most delayed. Field observations attributed these failures to inadequate planning and the absence of structured feasibility evaluations. This study addresses the gap by designing a dynamic feasibility model for the ABC project using a System Dynamics (SD) approach grounded in the TELOS criteria—Technical, Economic, Legal, Operational, and Scheduling. Unlike traditional static methods, the SD model captures feedback loops and interdependencies between project variables, enabling dynamic scenario simulations. Applied research methods were used to develop causal loop and stock flow diagrams, which were verified and validated via the Vensim tool. Baseline simulations yielded an average feasibility score of 7.26, exceeding the viability threshold. Among four tested scenarios, a combined intervention—adding 30%-time reserve, increasing team size, and enhancing quality control—produced the highest score of 7.35. Singular adjustments to time, cost, or quality were less effective than the integrated approach. This study demonstrates the novelty and effectiveness of applying SD to TELOS-based feasibility analysis, offering a predictive and adaptive tool for strategic project planning. The model enables proactive identification of critical phases and supports more informed decision-making, improving alignment with organizational objectives and overall project success. Keywords: Project Feasibility, TELOS, Dynamic Systems, Decision Making, Project Management  
Decision-Making Analysis on The Credit Card Partnership Program Using Kepner-Tregoe and Smart Technique Approaches Gultom, Rafly Aqsha; Siallagan, Manahan Parlindungan Sarigih
JTI: Jurnal Teknik Industri Vol 11, No 1 (2025): JUNI 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i1.37413

Abstract

This study analyzes the root causes of underperformance in PT Bank XYZ’s credit card partnership program with F&B merchants. Using the Kepner-Tregoe (KT) Problem Solving Framework and the SMART (Simple Multi-Attribute Rating Technique), the research adopts an exploratory-descriptive qualitative approach involving Forum Group Discussions (FGDs) with internal stakeholders. The analysis identified two main problems: weak internal coordination between the EDC and Marketing teams, and low merchant and cashier engagement in executing promotional programs. Three alternative solutions were evaluated: (1) Integrated Merchant Engagement Program, (2) Internal KPI Synchronization Framework, and (3) Real-Time Performance Dashboard. The SMART evaluation determined the first alternative as the most effective, with the highest score (4.3), based on impact, feasibility, and ROI. The solution includes digital training, promotional kits, and incentive systems to enhance cashier performance. Supporting frameworks and monitoring systems were also proposed to ensure sustainable impact. The findings emphasize the importance of data-driven decision making, internal alignment, and proactive merchant involvement to enhance the success of banking partnership programs. This study contributes to strategic decision-making literature in the financial services sector by demonstrating the effective integration of KT and SMART to resolve operational inefficiencies.  Keywords: Kepner-Tregoe, SMART Technique, Credit Card Partnership, Decision Analysis, Banking Strategy
Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries) Nurlaela, Adinda; Fauzi, Muchammad
JTI: Jurnal Teknik Industri Vol 11, No 1 (2025): JUNI 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i1.35323

Abstract

This study focuses on a rattan-based manufacturing unit producing Base Plant Stand products, where a significant number of defects—2,305 units out of 9,000—were identified, resulting in a current sigma level of 3.14. By employing qualitative and quantitative research approaches, the study aims to identify root causes of product defects and propose process improvements to minimize their occurrence. Using the DMAIC framework of Six Sigma, the most frequent defect types were mold (27.9%), imprecision (22.7%), loose tie (20.9%), and pinhole (15.88%). Key contributing factors included excessive humidity, limited production space, insect infestation, and insufficient operator skills. Based on field research and literature, the proposed improvements include covering products with tarpaulins during rainy conditions, expanding work-in-progress (WIP) space, providing operator training, and developing clear standard operating procedures (SOPs). These recommendations aim to enhance product quality and increase the sigma level through systematic, continuous improvement. The findings are a practical reference for similar small-scale manufacturing operations seeking to optimize their production processes through quality management tools.Keywords: Six Sigma, DMAIC, 5W+1H, Product Defects, Rattan
Implementation of Lean Technique to Improve Efficiency in Quail Egg Farming Saputra, Rafly Galih; Purnomo, Muhammad Ridwan Andi
JTI: Jurnal Teknik Industri Vol 11, No 1 (2025): JUNI 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i1.37297

Abstract

The quail farming industry in Indonesia has recently experienced significant growth, which has led to an increase in demand for quail eggs. This shows substantial challenges in quail egg farming, namely low operational efficiency and high levels of waste in the production process. This study aims to improve operational efficiency by reducing waste in a quail egg farming production at CV. Vigaza uses lean manufacturing and the theory of constraints. Lean tools such as value stream mapping, waste assessment model, and value stream analysis tools are applied to identify the dominant wastes. The theory of constraints is used to determine the root cause using the current reality tree. The process activity value-added ratio has improved from 60.73% to 68.91%, lead time has decreased from 12.1 to 10.99 days, and the defect rate has reduced from 0.68% to below 0.5%. Overproduction is recommended to align production with the market demand rather than the production cycle. Integrating the lean method and the constraint theory effectively reduced waste in a small-scale agricultural production, a quail egg farm. These findings suggest a potential for adopting lean techniques in the agricultural sector in Indonesia. Keywords: Lean Manufacturing, Value Stream Mapping, Waste Assessment Model, Value Stream Analysis Tools, Theory of Constraints
The Influence of Mental Workload and Job Stress on Employee Performance (Study Case: PT. Sumber Alfaria Trijaya, Tbk) Nurfazar, Topik; Sayuti, Muhamad; Yulianti, Hilda Tri; Hakim, Afif
JTI: Jurnal Teknik Industri Vol 11, No 1 (2025): JUNI 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i1.35836

Abstract

This study investigates the impact of mental workload and work stress on employee performance in a retail setting, specifically at PT Sumber Alfaria Trijaya, Tbk. A quantitative approach was employed, utilizing questionnaires distributed to employees. The collected data were analyzed using validity and reliability tests, as well as multiple linear regression analysis. The findings indicate that mental workload significantly influences employee performance (p = 0.020), whereas work stress does not have a significant effect (p = 0.962). However, when examined simultaneously, both variables have a significant combined impact on performance (F = 10.216, p < 0.000). These results highlight the importance of managing mental workload to enhance employee productivity while ensuring that work stress is controlled to prevent adverse effects on performance. To optimize workforce efficiency, organizations should implement strategies for workload distribution and structured stress management programs. This study provides valuable insights for companies in the retail sector, emphasizing the need for balanced work demands and employee well-being to maintain high performance levels.Keywords: Mental Workload, Work Stress, Employee Performance, Retail Industry, Work Environment
Application of Blocplan and Aldep Algorithms for Optimizing Production Layout at Meatball Factory Baladraf, Thabed Tholib
JTI: Jurnal Teknik Industri Vol 11, No 1 (2025): JUNI 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v11i1.30421

Abstract

Layout is an element that must be considered in industrial design. A layout that considers the distance and proximity of departments will have better productivity. Facts on the ground show that there are still many industries that have not paid attention to this, one of which is the Meatball Manufacturing Factory, Brenggolo Street, Kediri. The purpose of this study is to minimize material handling costs while increasing productivity through improved design of meatball production facilities, analyze the sensitivity of layout changes, and compare the efficiency of the Blocplan algorithm and the Aldep algorithm in solving problems in meatball production by considering uncertainty. The method used in this study uses the Blocplan and Aldep algorithms, added with sensitivity analysis through several scenarios. The results showed that Blocplan and Aldep were able to provide recommendations for improving the layout of the meatball manufacturing factory's production facilities with good flow and efficient operational costs. Blocplan produces a cost of Rp. 1,366,761.6 or save 13.6% of the actual layout. While Aldep generates a cost of Rp. 797,040 or save 49.6% of the actual layout. In the sensitivity and Monte Carlo analysis, it was found that Aldep has the potential for future projection and has a near-perfect positive probability compared to Blocplan. This shows that the Aldep approach is a good and recommended layout proposal for the company. Keywords: Aldep; Blocplan; Layout; Material Handling Cost, Sensitivity

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