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All Journal HUMANIORASAINS Scripta Technica: Journal of Engineering and Applied Technology
Rodiyah Nursani
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Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences

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ANALISIS REVEGETASI PADA LAHAN REKLAMASI TAMBANG BATU KAPUR DISPOSAL 4 DI PT SEMEN BATURAJA Tbk Randu Ramadhanu; Ridho Yovanda; Rodiyah Nursani
Jurnal Humaniora dan Sosial Sains Vol. 2 No. 3 (2025)
Publisher : Pojok Publisher

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Abstract

PT Semen Baturaja Tbk menjalankan kegiatan penambangan batu kapur dengan metode terbuka yang dapat menimbulkan kerusakan lingkungan, khususnya terhadap struktur dan fungsi tanah. Untuk mengurangi dampak negatif tersebut, dilakukan kegiatan reklamasi pascatambang melalui metode revegetasi guna memulihkan kembali kondisi ekologis lahan. Penelitian ini bertujuan untuk menganalisis jenis tanaman yang cocok serta mengevaluasi tingkat keberhasilan revegetasi pada lahan reklamasi Disposal 4 dengan tahun tanam 2020. Metode yang digunakan meliputi identifikasi jenis tanaman, pengukuran diameter, tinggi dan kesehatan tanaman, serta analisis kuantitatif berdasarkan indikator keberhasilan menurut Permenhut P.60/Menhut-II/2009. Dari penelitian yang telah dilakukan, ditemukan bahwa penggunaan utama tanaman terpusat pada sengon (Albizia chinensis) dan asam jawa (Tamarindus indica). Hasil evaluasi memperlihatkan bahwa keberhasilan revegetasi tergolong baik, ditandai dengan jumlah tanaman per hektar yang memenuhi standar minimum serta tingkat kesehatan tanaman yang melebihi 80%.Penelitian ini menegaskan pentingnya pemilihan jenis tanaman yang adaptif serta penerapan pemeliharaan yang tepat dalam mendukung keberhasilan reklamasi lahan pascatambang.
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 Ahmad Husni Randu Ramadhanu Ridho Yovanda Yopan, Yopan