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All Journal Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) SITEKIN: Jurnal Sains, Teknologi dan Industri REKAYASA OPERATION EXCELLENCE: Journal of Applied Industrial Engineering INTECOMS: Journal of Information Technology and Computer Science Conference on Innovation and Application of Science and Technology (CIASTECH) Jurnal Sistem Teknik Industri Journal of Environmental Science and Sustainable Development SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Jurnal Serambi Abdimas Jurnal Teknik Mesin Mechanical Xplore Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI) Jurnal Polimesin Masyarakat: Jurnal Pengabdian Spektrum Industri
Rahdiana, Nana
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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Hazard evaluation of box packaging process in food seasoning industry based on SNI 9011:2021 Muslim, Amalia; Rahdiana, Nana; Nurizzati, Annisa
Operations Excellence: Journal of Applied Industrial Engineering Vol. 17 No. 2 July 2025
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2025.v17.i2.141

Abstract

Musculoskeletal disorders (MSDs), known in Indonesia as Gangguan Otot Tulang-Rangka Akibat Kerja (GOTRAK) are one of the most common ergonomic problems in the workplace, caused by poor posture, repetitive movements, and long working hours. These conditions have a negative impact on employee health and productivity and increase healthcare costs for companies. This study aims to analyze the potential for GOTRAK complaints among workers in the box packaging process in the food seasoning industry, in accordance with Indonesian National Standard (SNI) 9011:2021. This study was conducted using a quantitative approach with a Musculoskeletal Disorder Questionnaire to assess MSD complaints. Data were collected through field observation, questionnaire completion, and work posture analysis using the methods outlined in SNI 9011:2021. The research variables included work posture, work duration, and physical strain of the workers. The results of the worker interviews regarding body part complaints showed a high risk level with risk scores of 19 and 20. The most common parts of the body to experience pain were the shoulders, upper back, lower back, and hips. The results of the ergonomic assessment of the upper body in carton packing work gave a score of 38, indicating hazardous conditions that require immediate improvement. In addition, the results of the analysis were used to develop ergonomic-based improvement recommendations to increase safety and comfort in the workplace. It is hoped that this study will provide companies with guidance on how to reduce ergonomic risks in the workplace, improve workers' wellbeing and support the development of a more sustainable industry.
THE BOC'S EFFECTIVENESS TO ENHANCE THE ESP INDUSTRIAL ENGINEERING Suhardiman, Sani; Suhara, Ade; Rahdiana, Nana; Pratama, Yuda; Suryani Afifah, Early
Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI) Vol. 5 No. 1 (2024): Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI)
Publisher : Information Technology Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/jipti.v5i1.1918

Abstract

ESP is seen as the role of English in language teaching courses, where the content and learning objectives are determined by the specific needs of a particular group of learners. Likewise, English for Specific Purposes is a stimulus for students' needs and language acquisition relevant to the work they will face in the future. This study aims to find out the use and effectiveness of BOC in conducting the material of engineering class and values of the teaching program and the needs of students. The quantitative study questionnaire is spread out to 200 students. The result shows that 30% of students think that the Buana Online Course (BOC) plays a good role in engineering studies and 25% of students think that it is very important for learning in engineering classes. Furthermore, 30.70% of students agreed that BOC is effective and 26. 50% of students strongly agreed that applying BOC is effective in engineering research practice. These results indicate that a significant proportion of students found BOC beneficial to their engineering studies.
A Comprehensive Study on Production Efficiency Enhancement Using Optimal Power Press Tonnage in Stamping Sukarman; Taufik Ulhakim, Muhamad; Khoirudin, Khoirudin; Mulyadi, Dodi; Amir, Amir; Suhara, Ade; Rahdiana, Nana
Jurnal Teknik Mesin Mechanical Xplore Vol. 5 No. 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i2.8048

Abstract

The use of press machines in stamping is an important aspect of the manufacturing industry, especially in producing efficient and quality components. This article aims to analyze the cost of the stamping process using mild steel SPCC-SD material measuring 200 mm x 25 mm x 0.8 mm, using two types of press machines, namely 80 tons and 40 tons. Through the cost analysis method, the total cost of the stamping process for the 80-ton press machine is Rp 16,417.4 per 10 pcs, while for the 40-ton press machine, it is Rp 15,028.5, indicating the cost efficiency of the 40-ton press machine is around 8.5%. The tonnage calculation shows that the 40-ton press machine is adequate for the blanking process, with a tonnage requirement of 4 tons, far below the available capacity. These results provide recommendations for the use of 40-ton press machines in the production of steel components on a small to medium scale, considering cost efficiency and optimal performance. This work is expected to increase productivity and cost efficiency in the manufacturing industry, especially at PT GA.
Optimization of TIG welding parameters for tensile load testing on dissimilar material joints of galvanized steel (SGCC) and low carbon steel (SPCC-SD) Basit, Arul; khoirudin, khoirudin; Sukarman, Sukarman; Cahyo, Tegar Dwi; Hidayat, Syahrul Taufik; Saputra, Ridhwan Shalahuddin; Ramadan, Trisa; Rahdiana, Nana
Jurnal Polimesin Vol 22, No 4 (2024): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i4.5025

Abstract

Tungsten Inert Gas (TIG) welding uses a tungsten electrode and argon or helium gas for shielding. It offers excellent shielding, stable arc, adjustable heat input, minimal spattering, and attractive welds. Widely used in various industries, especially for thin materials like galvanized sheets, TIG welding can be challenging for dissimilar materials like galvanized steel and low-carbon steel due to their different melting points. Studying optimal welding parameters is crucial for success. This research focuses on TIG welding of SPCC-SD (JIS 3141) and SGCC (JIS 3302) materials with thicknesses of 0.6 mm and 0.8 mm. The electric current was varied at 45, 50, and 55 A, whereas the gas flow rate was varied at 12, 15, and 18 LPM. The weld bead diameter was varied as 5, 8, and 10 mm. Subsequently, the welded samples were subjected to tensile testing using a SHIMADZU AGS-X 10Kn STD E200V tensile testing machine. The data from the tensile tests were analysed using S/N ratio analysis and Analysis of Variance (ANOVA) with the assistance of the Minitab software. The results of the S/N ratio analysis indicated that the most optimal parameters were an electric current of 55 A, flow rate of 15 LPM, and weld bead diameter of 10 mm. Conversely, the ANOVA revealed that the weld bead diameter significantly influenced the tensile load in TIG welding of SPCC-SD (JIS 3141) with SGCC (JIS 3302) materials, accounting for up to 44.42% of the variation. Following the weld bead diameter, the flow rate and welding current contributed to 21.93% and 16.41%, respectively.
IMPACT OF URBAN DEVELOPMENT ON UV EXPOSURE: A CLUSTERING AND MACHINE LEARNING ASSESSMENT Sahroni, Taufik Roni, Mr.; Yasin, Verdi; Alfaris, Lulut; Ariefka, Reza; Siagian, Ruben Cornelius; Karim, Mohammad Alfin; Rahdiana, Nana; Suhara, Ade
Journal of Environmental Science and Sustainable Development Vol. 7, No. 2
Publisher : UI Scholars Hub

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

Abstract

The relocation of Indonesia's capital city is anticipated to promote inclusive economic growth while embracing cultural diversity. However, this transition may affect ultraviolet (UV) radiation exposure patterns. The study investigated variations in UV exposure in the IKN region, focusing on urban development factors such as land use and population density that affect public health, sun protection, and skin cancer prevention. The research hypothesized that UV radiation is significantly correlated with these factors. UV Index data from 2010-2023, a hierarchical clustering method, identifies complex data patterns without determining the number of clusters. XGBoost, a machine learning model, was used for handling high-dimensional data and strong non-linear interactions, outperforming Random Forest in predicting Ultraviolet A variables. Analysis of variance (ANOVA) showed significant inter-group differences, which were validated by Tukey HSD post-hoc tests. Results showed that Cluster 4 was the region with the highest UV exposure. In contrast, Cluster 5 recorded the lowest, with exposure levels ranging from 6.61 to 15.82, a considerable difference of 9.21. The findings underscore the role of geographic and environmental factors in shaping UV exposure patterns, with implications for public health. Areas with high UV exposure face higher risks, including skin cancer and premature ageing. The predictive accuracy of the XGBoost model highlights its usefulness in addressing UV-related health risks. The study advocates for improved UV protection strategies and informed health policies to mitigate climate change impacts and promote sustainable urban development. The findings suggest that the development of data-driven early warning systems for UV radiation exposure could be implemented to improve public health policy and safety.
Ergonomic Risk and Musculoskeletal Disorders in Rice Farmers at Karang Tanjung Village, Karawang Regency Rahdiana, Nana; Suhardiman, Sani; Sukarman, Sukarman
Spektrum Industri Vol. 20 No. 1 (2022): Spektrum Industri - April 2022
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/si.v20i1.34

Abstract

This study discussed musculoskeletal risk analysis related to ergonomics, occupational safety, and health in agriculture in the Karawang district. Musculoskeletal Disorders (MSDs) are occupational diseases that cause pain in the joints. The working position of rice farmers, especially during planting rice seeds and harvesting rice, is not suitable for ergonomics. This study aims to identify the MSDs experienced by farmers in Karang Tanjung village, Karawang district. The study used an analytical method using the Nordic Body Map (NBM) and RULA questionnaires to assess work posture. A sample of 30 workers was chosen for an observational cross-sectional study. The results showed that the ergonomic risk level entered level 4 in the high category. The most dominant MSDs felt by rice farmers in Karang Tanjung village were the waist (98%) and the neck (95%). This research was expected to serve as a model for future musculoskeletal risk reduction research.
Implementation of Ergonomics and Local Wisdom in Designing ErJo (Ergonomic Jojodog) as a Solution to the Sustainability of Squatting Work Rahdiana, Nana; Hakim, Afif; Amalia, Amalia; Sahat Marihot, Louwis Perdian; Tri Aditya Anuraga, Tito; Hajin, Nasirul; Hutami Rahmadianti, Putri; Herawati, Herni; Raeni, Ida; Majid, Falahal; Yanfahira Shafa, Kezia; Wiguna, Rahmat
SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) Vol. 6 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/spekta.v6i2.14704

Abstract

Background: This community service program was implemented to address musculoskeletal complaints among production workers who frequently adopted squatting postures, which imposed static loads on the lower back, knees, and calves, resulting in discomfort and reduced productivity. Contribution: This study introduces ErJo (Ergonomic Jojodog), a culturally adaptive ergonomic innovation that integrates traditional sitting design with modern ergonomic principles to enhance worker comfort and foster cultural acceptance. Method: A participatory ergonomics approach involving ten production workers was employed through design, testing, and evaluation stages. Musculoskeletal complaints were assessed using the Indonesian National Standard (SNI 9011:2021), complemented by field observations and semi-structured interviews. Results: After two weeks of ErJo implementation, musculoskeletal complaints in the knees and calves decreased from 67% to 20%, while lower-back discomfort declined to 40%. Participants reported greater comfort, stability, and ease of movement, with the belt-equipped model achieving the highest usability score. This study demonstrates that integrating ergonomics with local wisdom enhances worker well-being and promotes sustainable occupational practices. Conclusion: ErJo effectively reduced musculoskeletal complaints and improved work comfort in squatting tasks. This innovation supports SDG 3 (good health and well-being) and SDG 8 (decent work and economic growth), with potential for broader application across similar manual occupations.
THE BOC'S EFFECTIVENESS TO ENHANCE THE ESP INDUSTRIAL ENGINEERING Suhardiman, Sani; Suhara, Ade; Rahdiana, Nana; Pratama, Yuda; Suryani Afifah, Early
Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI) Vol. 5 No. 1 (2024): Jurnal Inovasi Pendidikan dan Teknologi Informasi (JIPTI)
Publisher : Information Technology Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/jipti.v5i1.1918

Abstract

ESP is seen as the role of English in language teaching courses, where the content and learning objectives are determined by the specific needs of a particular group of learners. Likewise, English for Specific Purposes is a stimulus for students' needs and language acquisition relevant to the work they will face in the future. This study aims to find out the use and effectiveness of BOC in conducting the material of engineering class and values of the teaching program and the needs of students. The quantitative study questionnaire is spread out to 200 students. The result shows that 30% of students think that the Buana Online Course (BOC) plays a good role in engineering studies and 25% of students think that it is very important for learning in engineering classes. Furthermore, 30.70% of students agreed that BOC is effective and 26. 50% of students strongly agreed that applying BOC is effective in engineering research practice. These results indicate that a significant proportion of students found BOC beneficial to their engineering studies.
Co-Authors Afif Hakim Alghifari, Muhammad Reza Amalia Amalia Amir Amir Amri Abdulah Anay, Zhuldiz Ariefka, Reza Ariyanto, Ardilla Galuh Pramesty Basit, Arul Bunga Putri Maulia Cahyo, Tegar Dwi Dodi Mulyadi Dodi Mulyadi Hajin, Nasirul Herawati, Herni Hidayat, Syahrul Taufik Hutami Rahmadianti, Putri Karim, Mohammad Alfin Khoirudin Khoirudin, Khoirudin Lulut Alfaris Majid, Falahal Markus Hartono Murtalim, Murtalim Muslim, Amalia Nurizzati, Annisa Raeni, Ida Ramadan, Trisa Sahat Marihot, Louwis Perdian Sahroni, Taufik Roni, Mr. Saputra, Ridhwan Shalahuddin Shieddieque, Apang Djafar Siagian, Ruben Cornelius Suhara, Ade Suhardiman, Sani Sukarman Sukarman Sukarman Suryadi Suryadi Suryani Afifah, Early Suryapranatha, Dicky Taufik Ulhakim, Muhamad Tri Aditya Anuraga, Tito Ulhakim, Mumamad Taufik Verdi Yasin Wiguna, Rahmat Yanfahira Shafa, Kezia yuda pratama Yulianti, Hilda Tri