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Tibuana : Journal of Applied Industrial Engineering
Published by Universitas PGRI Adi Buana Surabaya
ISSN : 26222027     EISSN : 26222035     DOI : https://doi.org/10.36456/tibuana.9.02
Core Subject :
The aim of this journal publication is to disseminate the conceptual thoughts or ideas and research results that have been achieved in the area of industrial engineering Tibuana : Journal of Applied Industrial Engineering particularly focuses on the main problems in the development of the sciences of industrial engineering areas as follows: 1. Applied of industrial process 2. Applied methods of production process 3. Applied managerial of production process
Arjuna Subject : -
Articles 250 Documents
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Quality Control of Glass Bottle Drinking Water Products Using the Six Sigma Method Prasetyowati, Erwin; Matsaini; Sofwanul Bary; Mohammad Fajar
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10200

Abstract

This study aims to strengthen production performance and product quality to achieve various financial and strategic goals, such as market share, competitiveness, and profitability. The problem faced by this company is in product quality control where there are still defective products that arise during the production process. Therefore, this study uses Six Sigma with the concept of Difine Measure Analysis Improve Control (DMAIC) as a step to optimize production procedures at UD. NUSAQU whose product is bottled drinking water. The focus of this study is visual of product defects in the form of cups which are divided into two, namely Grade A and Grade B, which are distinguished based on the plastic cup material used. The results of data testing show that in Grade A and Grade B, slanted lid damage has the highest level of damage, but in Grade B the results are the same as leaking cups. The DPMO value produced in Grade A is 62,633.914, while in Grade B it is 130,961.47. The smaller the DPMO value, the better the product quality. The average value of Six-Sigma for Grade A is 3.03, while Grade B is 2.63. Based on these values, it can be concluded that Grade A has better quality than Grade B, but both require improvement and enhancement efforts to achieve 6 sigma. 
The application of Lean Manufacturing at PT XYZ Packaging Unit with the Value Stream Mapping (VSM) Approach HarisTanti, Sindy Nindia Maretha; Mashudah Sabilaturrizqi; Mustika Ratnawati Faizzah; Puteri Nurul Ma’rifah
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10249

Abstract

The challenges of manufacturing companies in facing global market competition must be able to maintain the effectiveness and efficiency of operational processes that take place, including one strategy in getting good work productivity by focusing on eliminating waste that occurs in the operational process. In the packaging process, there are 14 activities classified into 9 operation activities, 3 transportation activities, 1 inspection activity and 1 storage activity. Of all these activities are categorized as 50% value added activity with a time percentage of 62%, non-value added activity neccessary activity of 36% with a time percentage of 29%, while 14% of activities as non-value added activity with 9% percentage of time. Improvements are made by adding a transfer conveyor from raw materials to the hopper, categorizing activities outside packaging as external activities, changing the number of operators and work schedules, eliminating activities with pallet investment. The impact of the improvement is by eliminating activities from 14 activities to 12 activities.
Community Perceptions and Preference on The Condition of Temu Traditional Market Facilities and Infrastructure Widyastuty, Anak Agung Sagung Alit; Puspoyudo, Anggif
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10257

Abstract

The market is a palce where producers and consumers meet to interact in buying and selling daily necessities. This interaction activity certainly requires adequate support for facilities and infrastructure. The traditional market of Temu Market located in Sidoarjo Regency is managed by the government with an operational system by the Sidoarjo Regency Market Service. The purpose of this study was to determine the condition of the facilities and infrastructure of the Temu Traditional Market, to determine the perception and preferences of the community towards the facilities and infrastructure of the traditional market and the development strategy of the temu Traditional market based on community perseptions and preferences. The data analysis method used is the analysis of interest performance analysis (IPA). The results of the analysis of the condition of the facilities and infrastructure of the temu Traditional market, out of 13 indicators there are 10 facilities and infrastructure that are appropriate, namely Shops, kiosks, stalls, parking areas, loading and unloading areas, management offices, toilets, places of worship, drainage, trash cans, road access and clean water. The results of the analysis of community perceptions and preferences regarding the Temu Market are the main priorities that need attention are the security post and waste management. The performance that needs to be maintained because it has received good appreciation from the community is the toilet/bathroom, loading and unloading area, management office and place of worship.
Applying Production Capacity Planning Analysis to Enhance Operational Efficiency in the Garment Industry Novalia Dwi Pratama, Cindy; Yuliawati, Evi
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10260

Abstract

Rira Clothing Convection is a business engaged in convection by producing Muslim clothes for girls. The demand to always be dynamic in adjusting to the development of fashion trends on a regular basis shows the company's awareness of the importance of adapting to the ever-changing market. The existence of these fluctuations certainly affects the production process which includes the target number of clothes that must be produced, the determination of the number and schedule for ordering raw materials, the production process time, the number of machines needed and others. The purpose of this study is to minimize the cost of raw material inventory with the Material Requirement Planning (MRP) Method and plan the optimal production capacity so that production runs effectively and efficiently with the Capacity Requirement Planning (CRP) Method. The results of the study obtained that the calculation of the minimum inventory used the Material Requirement Planning (MRP) method with the Economic Order Quantity (EOQ) technique. The total inventory cost for the main raw materials is Diamond Crepe fabric with four orders of 427.5 meters/order and Rayon Stretch fabric with three orders of 745.5 meters/order of Rp 1,400,000. The optimal production capacity planning is the number of working days at the pattern making, cutting and sewing stations as many as four days in five periods and 4.5 days in one period, while in the bundling, packing and finishing stations as many as four days in six periods.
Application of the Analytic Hierarchy Process (AHP) in Strategic Site Selection for Software Development Branch Expansion in Indonesia Jumali, Muhamad Abdul; Andarmadi Jati Abdhi Wasesa; Harno Suntoko; Moch.Fatur Angga Pratma
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10483

Abstract

In an era where digital transformation dictates the survival of technology firms, selecting the optimal branch location is no longer a peripheral decision it is a strategic imperative. This study offers a powerful yet practical application of the Analytic Hierarchy Process (AHP) to evaluate potential expansion sites for a mid-sized software development company in Indonesia. By integrating expert judgments with location-specific criteria such as talent availability, infrastructure reliability, ecosystem proximity, and cost efficiency, the AHP model provides a structured, transparent, and replicable framework for decision-making. The results clearly identify Location A—an urban tech hub near major IT universities as the most strategic choice, significantly outperforming other alternatives. More than just a location ranking, this model demonstrates how conventional decision-making in software enterprise expansion can be elevated through applied analytical thinking. The study also proves that even without high-end analytics platforms, decision models built in common tools like Excel can yield robust and scalable insights. These findings carry immediate relevance for technology firms, policy planners, and academic researchers who seek to align operational expansion with long-term innovation and productivity outcomes in knowledge-based industries.
Occupational Health and Safety Risk Assessment Application in Oil Refinery Using Hazard Identification, Risk Assessment and Risk Control (HIRARC) Sulaiman, Yoga Aulia; Reza Firnanda; Sindy Nindia M.H; Lutfia Agustin; And Ach. Dafid
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10502

Abstract

This research aims to evaluate occupational safety and health (OHS) risks in the oil refinery unit of PT XYZ using the HIRARC (Hazard Identification, Risk Assessment, and Risk Control) method. This method involves three main stages: hazard identification, risk assessment, and risk control. The research was conducted descriptively qualitatively through field observations, interviews, and the use of the HIRARC checklist. The identification results show that several work areas, such as the evaporator, separator, and stabilizer, have a Very High risk level due to extreme pressure and temperature, gas leakage, and the potential for explosion and fire. The risk assessment was conducted by considering the likelihood and consequence of each hazard. The risk control strategies analyzed include technical, administrative, and the use of personal protective equipment (PPE). However, most controls are still dominated by administrative approaches, while technical controls such as gas detection systems and shutdown automation have not been implemented optimally. The implementation of HIRARC has proven to be effective in systematically identifying and controlling risks, and contributing to a safer, healthier, and more productive work environment in the oil and gas industry.
Implementation of Age Replacement Method for Molding Machine Maintenance at PT. KMI Yudhanto, Djovanka Arya Putra; Febryanto, Indra Dwi; Prihono
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10530

Abstract

The rapid development of the industrial world has caused the manufacturing industry to think hard to survive the fierce competition. PT. KMI is a company engaged in industrial furniture, oriented to the best quality in its products and supported by sophisticated technology in the production process. The problem that occurs is unexpected machine damage causing the production process to stop. The way to overcome this is to schedule the replacement of components that are susceptible to damage, especially sensors, bearings and roller trans. Determination of critical components using the ABC method and the age replacement method. The selection of damage distribution, at this stage is based on the goodness of fit value. One way to increase productivity is to schedule the replacement of components that are susceptible to damage, especially sensors, bearings and roller trans. The recommended replacement time is 128 days for sensors with a cost reduction of IDR 1.848.097 for replacement of sensor components, 261 days for bearing components with a cost reduction of IDR 1.301.553 and 251 days for roller trans components with a cost reduction of IDR 1.646.870. by using the ABC method, 3 critical components can be found, namely sensors and bearings with a percentage value of 42.80% for sensors, 20.95% for bearings, and 14.03% for Roller trans. The most optimal time interval for the three components is the sensor component 128 days with downtime cost savings of IDR 1.848.097. The bearing component 261 days with downtime cost savings of IDR 1.301.553. The roller trans component 251 days with downtime cost savings of IDR 1.646.870.
Development of a Framework for Lean Education Implementation in Vocational High Schools Parestri, Kartikaratri Dewi; Karningsih, Putu Dana
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10550

Abstract

Lean, which aims to eliminate waste, has been applied to manufacturing and non-manufacturing operations. Some studies reported lean applications improving operations in universities and high schools. This study aims to develop a framework for implementing Lean Education for vocational high schools (SMK). This research is motivated by various forms of waste in SMK operations, such as long waiting times. Combination of an exploratory qualitative approach, literature review and expert validation are utilized to construct a context-specific framework. The proposed framework consists of three main stages: pre-implementation, implementation, and post-implementation, each comprising key activities such as waste identification, staff training, process mapping, lean strategy execution, and continuous improvement. This framework is expected to support SMK in minimizing waste and aligning vocational education more closely with industry needs, thereby enhancing the quality of its graduates.
Effect of 3D Printing Parameters on Dimensional Accuracy Using the Taguchi and Response Surface Methodology (RSM) Ulhaq, Naswa Sabila; Islahudin, Nur
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10552

Abstract

Advances in technology in the manufacturing industry have driven the use of 3D printing as a fast and efficient prototyping solution. This study aims to optimize the process parameters of FDM 3D printing using PLA+ material with ASTM D-638-04 type specimens. The process parameters tested include printing speed, nozzle temperature, layer thickness, infill rate, and bed temperature, each at three levels. Optimization was performed using the Taguchi method and Response Surface Methodology (RSM), with a focus on dimensional accuracy (length, width, and thickness) as the primary response. The optimal parameters obtained from the Taguchi method are printing speed of 45 mm/s, nozzle temperature of 240°C, layer thickness of 0.30 mm, infill rate of 100%, and bed temperature of 55°C. Meanwhile, the RSM method yielded the following optimal parameters printing speed of 50 mm/s, nozzle temperature of 240°C, layer thickness of 0.30 mm, infill rate of 100%, and bed temperature of 60.65°C
Development Value Stream Mapping to Identify 8 Types of Waste Sahdhani, Muhammad Arkan; Karningsih, Putu Dana; Dewi, Dyah Santhi; Sahlan
Tibuana Vol 8 No 2 (2025): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.8.2.10558

Abstract

This study proposes an Extended Value Stream Mapping (Extended VSM) framework to address the limitations of traditional VSM in identifying all eight types of waste (Muda), particularly those associated with human factors, environmental conditions, and material movement. While conventional VSM effectively maps value-added and non-value-added activities, it often fails to detect motion waste, transportation inefficiencies, and underutilized human potential. The proposed framework integrates time measurement using Stopwatch Time Study (STS), workflow analysis through the Flow Process Chart (FPC), ergonomic risk evaluation with the Rapid Entire Body Assessment (REBA), mental workload assessment via NASA Task Load Index (NASA-TLX), and environmental condition indicators such as lighting, temperature, and noise. Designed for labor-intensive production systems, Extended VSM offers a multidimensional mapping tool capable of supporting continuous improvement initiatives. Although this research does not include a real-case implementation, the framework is designed to be practically applicable and empirically validated in future studies.

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