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All Journal Kohesi: Jurnal Sains dan Teknologi HUMANIORASAINS Scripta Technica: Journal of Engineering and Applied Technology
Ahmad Husni
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Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Journal : Scripta Technica: Journal of Engineering and Applied Technology

 1 
Evaluasi Penerapan Keselamatan dan Kesehatan Kerja Pada Pengangkutan Overburden dari Front Penambangan Menuju Disposal di PT X Lahat Sumatera Selatan Sefi Aranda; Reni Arisanti; Ahmad Husni
Journal of Engineering and Applied Technology Vol 2 No 1 (2026): : June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/41y7w230

Abstract

Overburden transportation constitutes a critical stage in open-pit mining operations, characterized by a high level of safety risk and a direct influence on production continuity. This study aims to evaluate the implementation of Occupational Safety and Health (OSH) in overburden hauling activities from the mining front to the disposal area at PT X, Lahat Regency, South Sumatra. The research employed a descriptive design integrating qualitative and quantitative approaches. Data were collected through field observations, interviews with relevant stakeholders, questionnaires administered to workers and heavy-equipment operators, and hazard identification alongside risk assessment using the Risk Assessment Matrix. The findings indicate that OSH implementation at PT X can be classified as satisfactory, as reflected in the high level of compliance with personal protective equipment usage, routine safety briefings, adequate safety signage, and active supervision by OSH personnel. Risk analysis shows that most hauling activities fall within low to moderate risk categories, although several hazards still require additional control measures. Overall, the OSH system in overburden transportation operates effectively; nevertheless, continuous evaluation remains essential to enhance operational safety and further reduce accident potential.
Evaluasi Sinkronisasi Alat Gali Muat dan Alat Angkut Pengupasan Overburden di PT XXY Yopan, Yopan; Ahmad Husni; Rodiyah Nursani
Journal of Engineering and Applied Technology Vol 2 No 1 (2026): : June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/13vb1212

Abstract

This study evaluates the operational synchronization between loading and hauling equipment in overburden stripping activities at PT XXY, South Sumatra, using an empirical field-based approach conducted from April to June 2025. The system architecture consists of one excavator and several Off Highway Trucks operating within a single active mining front. Primary data were obtained through direct cycle time measurements of at least 30 representative cycles per unit, supported by secondary technical parameters including bucket capacity, swell factor, hauling distance, and effective working hours. Productivity analysis indicates an initial output of 367.81 BCM/hour with a match factor of 0.96, reflecting capacity imbalance and excavator waiting time. Simulation of fleet adjustment to eight hauling units increased productivity to 420.36 BCM/hour and improved system balance while reducing specific fuel consumption from 0.41 to 0.37 liter/BCM. Efficiency evaluation demonstrates that synchronization directly influences operational utilization, energy intensity, and production target achievement.  
Co-Authors Abdur Rosyid Aidil Ilham Pratama Alfazry Desrinaldi Anggi Jihadi Darma Anggraini, Aprilia Astra Anjeli Dwita Farhezi Figo Anugrah Hildan Zulfisyah Aqwam Iqbal Sya'labi Anhar M Insan Fathoni M. Fitra Wahyudi Muhammad Azmi Ar-Rifai Reni Arisanti Ridho Yovanda Rizki Saefunuha Alfajar Rodiyah Nursani Safitri, Titis Putri Sefi Aranda Suhardiman Gumanti Umma Fatayati, S.Pd.I, M.Pd. Yopan, Yopan Zainatul Ahsan