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All Journal Journal Industrial Servicess Journal of Systems Engineering and Management
Dewantari, Nustin Merdiana
Universitas Sultan Ageng Tirtayasa
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Journal : Journal Industrial Servicess

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Risk analysis and safety measures: JSA, HIRA, and FTA in LPG distribution Dewantari, Nustin Merdiana; Ferdiansyah, Muhamad; Herlina, Lely; Mariawati, Ade Sri; Umyati, Ani
Journal Industrial Servicess Vol 9, No 2 (2023): October 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i2.21847

Abstract

Industrial competition is intensifying, raising the importance of Occupational Safety and Health (OSH) practices. This study focuses on LPG distributor Fajar Sidiq Nurhidayah, a company specializing in 3 kg LPG cylinders. The lack of safety inductions and adequate Personal Protective Equipment (PPE) heightens the risk of workplace accidents, necessitating this research to mitigate such risks. Employing the Job Safety Analysis (JSA), Hazard Identification and Risk Assessment (HIRA), and Fault Tree Analysis (FTA) methods, potential hazards were identified. JSA revealed risks like collisions, being struck by the truck's back, tube pinching, and ergonomic hazards, foreseeing injuries ranging from bruises to fractures and Musculoskeletal Disorders (MSDs). HIRA uncovered six hazards: one low-risk, four medium-risk, and one high-risk. FTA pinpointed the primary danger source to be the warehouse station due to operator negligence during tube lifting, lack of PPE usage, and entangled tubes, emphasizing the worker's condition and work environment.
Workload measurement with Bourdon Wiersma and Cardiovascular Load (CVL) methods Mariawati, Ade Sri; Anggraeni, Shanti Kirana; Nisfulail, Maura Citra; Dewantari, Nustin Merdiana; Herlina, Lely; Umyati, Ani
Journal Industrial Servicess Vol 10, No 1 (2024): April 2024
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jiss.v10i1.24477

Abstract

A company operating in the sector of workshop production of nuts and bolts requires workers to maintain high levels of speed, precision, and consistency, as well as significant responsibility to deliver the best results for customers. However, while carrying out their tasks, workers may make mistakes due to work fatigue. Therefore, researchers conducted a study to determine the extent of mental and physical workload using the Bourdon Wiersma and Cardiovascular Load (CVL) methods. Bourdon Wiersma is an objective method of measuring workload to determine the level of mental burden in tasks requiring precision, speed, and high consistency, including monotonous tasks. Cardiovascular Load (CVL) involves comparing the increase in heart rate with the maximum heart rate and classifying workload based on the increase in working heart rate compared to the maximum heart rate, expressed as cardiovascular load (% CVL). The research results show that the Bourdon Wiersma percentage for the three job tasks was generally quite good before work and fell within the category of moderate or mild tiredness after work. Additionally, the largest average %CVL occurred in operators at 63%.
Design of LPG transport aids to prevent musculoskeletal risks Dewantari, Nustin Merdiana; Fachrur, Aditya Rahadian; Mariawati, Ade Sri; Akbari, Rizky; Ferdiansyah, Muhammad; Annisa, Findi Choerun
Journal Industrial Servicess Vol 9, No 1 (2023): April 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i1.19047

Abstract

The Central Statistics Agency of Indonesia (BPS) has recorded an increase in the use of liquefied petroleum gas (LPG) by the public over the last seven years. This increase is due to the government changing its policy from using fuel oil to LPG. LPG is essential for the community as a kitchen fuel to meet their needs and for resale. Distributing LPG gas is crucial to meeting the community's needs. However, one of the distribution processes involves manual loading and unloading, which can cause musculoskeletal complaints. Therefore, tools that can facilitate work are necessary. This study aims to reduce the risk of musculoskeletal disorders by examining the working posture of transporting LPG gas at a LPG distributor in Indonesia. The study proposes a tool design to solve the problem of high work posture. The results of data processing and analysis show that the design of assistive devices can reduce the risk of work posture.
Analysis of mental workload during exams in hybrid learning in the new normal era post-pandemic Yadi, Yayan Harry; Umyati, Ani; Mariawati, Ade Sri; Lady, Lovely; Dewantari, Nustin Merdiana; Herlina, Lely; Alvizar, Rezi
Journal Industrial Servicess Vol 11, No 1 (2025): April 2025
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jiss.v11i1.21976

Abstract

During the Covid-19 pandemic, most universities implemented distance learning to prevent the spread of the virus. After the pandemic, the learning process shifted to a hybrid method, combining both offline and online instruction. This hybrid system is applied to certain courses, featuring face-to-face classroom sessions alongside video conferencing for lectures. However, the hybrid learning approach has led to a decline in the student achievement index for some students, highlighting the need to evaluate their mental workload. Therefore, this study aimed to measure students’ mental workload during both online and offline exams using the NASA Task Load Index (NASA-TLX) method. The results showed a higher average mental workload score for offline exams compared to online exams. Statistical analysis revealed a significant difference between the scores, indicating a notable disparity in mental workload between offline and online exams. In conclusion, the mental workload associated with hybrid learning—particularly during exams—is considered high.
Co-Authors Achmad Bahauddin Aditya Rahadian Fachrur Akbari, Rizky Alfikri, Azka Dzafif Alvizar, Rezi Amanda, Novita Anggraeni, Shanti Kirana Ani Umyati Annisa, Findi Choerun Bobby Kurniawan Ferdiansyah, Muhamad Ferdiansyah, Muhammad Ferdinant, Putro Ferro Fitriani, Dwi Hamdani, Adi Dzaky Hartono, Tri Ardhi Herlina, Lely Ilyasa, Isqy Ismaya, Farah Nadira Lestari, Nina Puji Lovely Lady Maulana, Muhammad Athallah Mubarak, Hafair Muharni, Yusraini - Ningsih, Nurhayati Nisfulail, Maura Citra Octaviany, Chyntia Devi Oscar, Samuel Pratama, Yudistira Guntur Putri, Nahla Aulia Sonda, Atia Sonda, Atia - Taqdisillah, Creavilian Trenggonowati, Dyah Lintang Trenggonowati, Dyah Lintang Ulfah, Maria Ulfah, Maria - Umyati, Ani - Wulandari, Anting Wulandari, Anting - Yadi, Yayan Harry Yadi, Yayan Hary