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Sri Zetli
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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PERANCANGAN FASILITAS KERJA PADA PROSES WASHING MATERIAL DI PT. XYZ zulkifli, Revaldo; Sri Zetli
Computer Science and Industrial Engineering Vol 6 No 3 (2022): Comasie
Publisher : LPPM Universitas Putera Batam

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Abstract

The posture of workers who take positions that are more than normal are consistently very at risk for complaints of Muscoloskeletal Disorders (MSDs). PT.XYZ is engaged in the manufacture of Mechanical, Electrical, and Modular Sub Assy components through various processes using machines. In washing activities, the material that has been processed from the machine is handled manually by workers which is carried out repeatedly every day. In this condition, the body posture is always changing from slouching, slouching, leaning, which is quite a long time which happens more than once every day. Due to non-ergonomic workplace conditions that can endanger the condition of workers in facing risks such as MSDs injury, it is necessary to design work facilities in the material washing process to improve work posture. From the results of the study it was found that the measurement of MSDs complaints using the Nordic Body Map (NBM) questionnaire was not good, where there were complaints experienced by workers above 50%, namely pain in the left shoulder (58.33%) in the right shoulder (56.25%) Pain in the left shoulder. left shoulder. waist (60.41%) on the left calf (58.33%) on the right calf (52.08%) on the left leg (58.33%) on the right leg (58.33%). Calculations using the REBA method have activities with a high risk level for washing 1 activity with a score of 8.5 (high), washing 2 activities with a score of 5.6 (medium) and drying activity with a score of 3 (low). So it is necessary to design ergonomic work facilities to reduce MSDs complaints, namely in the form of a washing table.
PERANCANGAN ALAT BANTU KERJA BERDASARKAN ANALISIS POSTUR KARYAWAN DI PT CITRA TUBINDO TBK KOTA BATAM Josef; Sri Zetli
Computer Science and Industrial Engineering Vol 10 No 4 (2024): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i4.8607

Abstract

The current rapid technological advancement allows companies to increase production speed through the use of machinery. However, this often leads to monotonous and physically demanding work, especially in Manual Material Handling (MMH) activities. Inappropriate MMH activities can result in Musculoskeletal Disorders (MSDs), involving disruptions to muscles and joints. To address this issue, the design of ergonomic work aids is necessary.The NIDA method (Need, Idea, Decision, Action) is employed to design work aids by considering needs, innovative ideas, design decisions, and implementation actions. The REBA method (Rapid Entire Body Assessment) to assess the working position or posture of an operator’s neck, back, arms, wrists, and legs . Research results indicate that the use of specialized aids in activities such as measurement can reduce MSDs complaints, where the score on employee body posture analysis is obtained on averange 3 and the NBM questionnaire date shows an averange score of 30, whwere this score included in the low risk category. And before the work facility design was carried out, the score was for REBA 6 and with NBM questionnaire data 41, the category indicates medium risk. Previous research has also utilized the NIDA method in designing work aids with positive outcomes. In conclusion, the use of the NIDA method in designing ergonomic work aids can alleviate MSDs complaints and enhance productivity at PT Citra Tubindo TBK and similar industries.
ANALISIS PENGARUH SUHU RUANGAN TERHADAP KONSENTRASI BEKERJA KARYAWAN PADA PT TEAM METAL INDONESIA Pratama, Ferdian; Sri Zetli
Computer Science and Industrial Engineering Vol 10 No 5 (2024): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i5.8623

Abstract

The temperature in the room in the milling section reaches 37'C which is not in accordance with the limit of room temperature regulations. Employees who are too tired to work with hot room conditions make work concentration unfocused and can endanger the workers themselves. The purpose of this study is to determine the state of room temperature at PT Team Metal Indonesia, determine the concentration of working employees at PT Team Metal Indonesia and the relationship between room temperature and concentration of working employees at PT Team Metal Indonesia. This study uses a simple regression method. Based on the results of the study, it is known from the measurement of room temperature that the average value is 39.77 and the percentage value is 79.54%. This value is not good at the room temperature in the company. It is known from the measurement results on work concentration that the average value is 40 and the percentage value is 80%. This value is not good for the concentration of work felt at the company and there is a significant influence between room temperature and work concentration on milling department employees at PT Team Metal Indonesia.
PERANCANGAN FASILITAS KERJA PROSES PEMBUATAN BAKSO PADA USAHA KECIL MENENGAH MORO ASIH Al Ayubi, Moh Galih; Sri Zetli
Computer Science and Industrial Engineering Vol 10 No 5 (2024): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i5.8685

Abstract

This study was conducted on employees at UKM Moro Asih, where the process of making meatballs is still carried out without a work table, which can lead to Musculoskeletal Disorders (MSDs) in employees. Through the distribution of the Nordic Body Map (NBM) questionnaire, it was found that 2 out of 3 workers had a "Very High" level of musculoskeletal risk, indicating the need for comprehensive and immediate action. To make improvements, the Rapid Entire Body Assessment (REBA) method was used by designing a work table that fits the employees' body posture. The research results show that the REBA score before using the work table and chair was 7 (moderate risk), while with the proposed work table and chair, the score decreased to 3 (low risk). This significant change indicates that the addition of these facilities effectively reduces the risk of musculoskeletal disorders in employees in the meatball production section.
ANALISIS BEBAN KERJA OPERATOR ISOTANK PADA PT ECOGREEN OLEOCHEMICALS BATAM Candra, Roy; Sri Zetli
Computer Science and Industrial Engineering Vol 10 No 5 (2024): Comasie
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i5.8711

Abstract

Working with ISO Tank container loading and unloading equipment, personnel are employed in morning, afternoon, and night shifts, and their tasks are completed around the clock. Operators of ISO Tank Containers put in eight hours a day, and by taking shifts, they may work up to twelve hours. A packed timetable adds to the operator's burden. The aim of this study is to ascertain the physical workload level of PT Ecogreen Oleochemicals Batam isotank operators using the %CVL method, the mental workload level of PT Ecogreen Oleochemicals Batam isotank operators using the NASA-TLX method, and the difference in physical and mental workload on PT Ecogreen Oleochemicals Batam isotank operators. This study employs quantitative methods. The first variable, physical workload, is derived from the %CVL formula, which takes into account pre-work and work pulses. The second variable, mental workload, is derived from the NASA-TLX questionnaire, which includes performance, effort, frustration level, mental demand, physical demand, and temporal demand. The findings demonstrated that, according to the %CVL measurement, ISO Tank operators at PT Ecogreen Oleochemicals Batam most frequently experienced a physical workload with the classification of Improvement required, and that, according to the NASA-TLX measurement, their most common mental workload was in the High category.
ANALISIS PENGARUH BEBAN KERJA DAN STRES KERJA TERHADAP KINERJA KARYAWAN PRODUKSI DI PT EXCELITAS TECHNOLOGIES BATAM Jumarni; Sri Zetli
Computer Science and Industrial Engineering Vol 11 No 3 (2024): Comasi Vol 11 No 3
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v10i3.9073

Abstract

ABSTRACT Employee workloads vary depending on their specialized fields. For example, in the production area, workers are required to work swiftly due to the constant operation of production machinery. Certain positions, like the Hercules section operator assisting with the depanelizing process, are not appropriate for people in those professions. Support staff members have to put in extra hours because of the incoming and unloaded items. There are challenges due to data mistakes, the human calculating method, and the manual lifting of 5–10 kg objects. At PT Excelitas Technologies Batam, the goals of this research were to ascertain the effects of workload and work stress on manufacturing employee performance, as well as the results of measuring workload utilizing the NASA-TLX technique and measuring work stress using the Health and Safety Executive (HSE) technique. Using the technique of multiple linear regression, the HSE method, and the NASA-TLX approach, the study methodology is quantitative. The High mental load group's average score was 70.20 according to the data. Mental Needs is the most prominent measure of mental workload, with an average score of 5509.87. The average result of the job stress measurement was 142.3 and 81.31%. Employee performance is negatively but negligibly impacted by workload. Employee performance is negatively and significantly impacted by work stress. At PT Excelitas Technologies Batam, the performance of production staff is negatively impacted by workload and work stress.
PERANCANGAN ALAT BANTU PROSES ASSEMBLY MODULE PADA PT XYZ Tambunan, Yopi; Sri Zetli
Computer Science and Industrial Engineering Vol 11 No 4 (2024): Comasi Vol 11 No 4
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v11i4.9160

Abstract

According to the results of data processing and analysis, the authors reached the following conclusions from the research on the Design of Assembly Module Process Aids at PT XYZ. From the processing and analysis of the DFMA machine design, it was found that the constituent components of the machine amounted to 9 components with a total weight of 12.96 kg, a total machining process time of 492 minutes or 8.2 hours and a total cost of Rp.11,039,656. Based on data processing from testing before the machine and after the machine in the module assembly process, the comparison parameters are obtained where before the assembly process aids in the module assy product takes 8,9 seconds with the assembly process in one working hour which produces an output of 1.668 units, while after using the assembly machine on the module assy with a time of 4,7 seconds can produce an output of 3.829 units and an increase of 47%.
ANALISIS RISIKO KESELAMATAN DAN KESEHATAN KERJA SECTION BTS LINE PADA PT XYZ Ridho Pratama, Ihsan; Sri Zetli
Computer Science and Industrial Engineering Vol 13 No 2 (2025): Comasie Vol 13 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v13i2.10324

Abstract

This study aims to analyze potential occupational health and safety (OHS) risks in the BTS Line section of PT XYZ using the Hazard and Operability Study (HAZOP) and Fault Tree Analysis (FTA) methods. Based on workplace accident data from 2021 to 2024, frequent incidents include finger pinching, hand scratches, foot injuries, and burns. The identification process revealed 10 work risk activities with varying levels, with 58.82% categorized as high risk and 5.88% as extreme risk. FTA analysis showed that the main causes of accidents stem from human error, improper use of personal protective equipment (PPE), and suboptimal equipment design. This research recommends risk control measures through engineering controls, administrative controls, and routine employee training. The implementation of these strategies is expected to reduce workplace accidents and create a safer and more productive working environment.
ANALISIS PENGARUH BEBAN KERJA DAN STRES KERJA TERHADAP KINERJA KARYAWAN DI PT PUMP Pramadhani, Garin; Sri Zetli
Computer Science and Industrial Engineering Vol 13 No 2 (2025): Comasie Vol 13 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v13i2.10341

Abstract

This study aims to analyze the effect of workload and job stress on employee performance using a quantitative descriptive approach. Workload was measured using the NASA-TLX method, while job stress was measured using the Health and Safety Executive (HSE) indicator. Data were collected from 15 employees working at PT Prathama Usaha Mandiri Perkasa through a questionnaire, then analyzed using multiple linear regression using SPSS. The results showed that workload had a significant negative effect on performance (t = -3.505; p < 0.05), as well as job stress (t = -2.917; p < 0.05). The results of the F test (F = 9.016; p < 0.05) also proved a simultaneous influence. This study states that high workload and unmanaged stress can reduce employee performance. Therefore, companies are advised to manage the division of tasks and provide support in stress management to improve employee performance.
PERANCANGAN FASILITAS KERJA YANG ERGONOMIS DEPARTEMEN STORE PADA PT NOK FREUDENBERG SEALING TECHNOLOGIES Butar Butar, Poltak Samuel; Sri Zetli
Computer Science and Industrial Engineering Vol 13 No 2 (2025): Comasie Vol 13 No 2
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v13i2.10352

Abstract

In the modern industrial era, ergonomic challenges have become increasingly critical, particularly in manual labor sectors that are highly prone to Musculoskeletal Disorders (MSDs). This study aims to design ergonomic work facilities in the Store Department of PT NOK Freudenberg Sealing Technologies, specifically for the pallet transfer process, which is still performed manually. The research methodology integrates the Nordic Body Map (NBM) for identifying MSD complaints, the Rapid Entire Body Assessment (REBA) for evaluating working postures, and the Ergonomic Function Deployment (EFD) for developing ergonomic solutions. The study involved three workers, selected using a saturated sampling technique due to the small population. NBM questionnaire results indicated high levels of physical discomfort, especially in the shoulders, back, and knees. REBA assessments revealed an average risk score of 7, categorized as high, indicating the urgent need for intervention. The ergonomic table was designed based on workers’ anthropometric data and the ENASE ergonomic aspects (Effective, Comfortable, Safe, Healthy, Efficient). The proposed design successfully reduced the REBA score 7, demonstrating a significant improvement in work safety and comfort. This study concludes that applying ergonomic design based on anthropometric data and the EFD method effectively reduces the risk of injury caused by poor working posture, while enhancing efficiency and worker well-being in industrial environments
Co-Authors Al Ayubi, Moh Galih Argo Putra Prima Bahariandi Aji Prasetyo Butar Butar, Poltak Samuel Candra, Roy Capai Laia E Janrosl, Viola Syukrina Elsya Paskaria Loyda Tarigan Handra Tipa Josef Jumarni Moses Adrianus Sembiring Muhammad Rasid Ridho Nofriani Fajrah, Nofriani Pramadhani, Garin Pratama, Ferdian Purba, Neni Marlina BR Ridho Pratama, Ihsan Rifaldi Hakiki Riski Ade Putra Sanjaya Simanjuntak, Pastima Tambunan, Yopi Tarigan, Elsya Paskaria Loyda Ummi Kalsum Harahap zulkifli, Revaldo