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All Journal PROMINE Angkasa: Jurnal Ilmiah Bidang Teknologi G-Tech : Jurnal Teknologi Terapan Prosiding SNAST Jurnal Teknika : Jurnal Teoritis dan Terapan Bidang Keteknikan Action Research Literate (ARL) Indonesian Community Journal Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Ilmiah Teknik Informatika dan Komunikasi Innovative: Journal Of Social Science Research Jurnal Global Ilmiah Jurnal Teknik Pertambangan (JTP) Diteksi : Jurnal Pengabdian Kepada Masyarakat Jurnal Riset dan Pengabdian Interdisipliner
I Putu Putrawiyanta
Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture 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 Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Evaluation of the Level of Physical Damage Due to Erosion in Post-Sand Mining Land Using the Universal Soil Loss Equation (USLE) Method Novalisae Novalisae; Noveriady Noveriady; I Putu Putrawiyanta; Ferdinandus Ferdinandus; Yulius Kahanjak; Grace Any Pasaribu
G-Tech: Jurnal Teknologi Terapan Vol 10 No 2 (2026): G-Tech, Vol. 10 No. 2 April 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i2.9341

Abstract

Sand mining activities at Km. 29 in Bukit Batu District, Palangka Raya City, have caused significant physical land damage. This study quantifies erosion rates in former sand mining areas using the Universal Soil Loss Equation (USLE) through field surveys and laboratory analysis. Soil samples were collected purposively from four locations (Kolong 1 TL, Kolong 2 TL, Kolong 1 BD, Kolong 2 BD) at 0-20 cm depth with three replications. Results showed erosion rates ranging from 0.54 to 2.52 tons/ha/year, classified as “very low” according to standard erosion hazard categories. However, in post-mining contexts with initial degradation, these rates indicate serious land vulnerability. The dominant factors influencing erosion were high rainfall erosivity (R=998.45 MJ.mm/ha/hr/year), minimal vegetation cover (C=0.8), and the absence of conservation practices (P=1), whereas soil erodibility was inherently very low (K=0.005-0.014). Although numerically classified as very low, the former sand mining land requires immediate conservation intervention. Practical implications emphasize integrated conservation through vegetative approaches (fast-growing cover crops) and mechanical methods (gulud terraces and rorak), focusing on modifying the conservation practice factor (P) as the most easily intervenable variable to prevent increased erosion and restore land conditions.
Analysis of Land Management Achievement Activities in the Reclamation Stage at PT. XYZ I Putu Putrawiyanta; Neny Fidayanti; Noveriady Noveriady; Novalisae Novalisae
G-Tech: Jurnal Teknologi Terapan Vol 10 No 2 (2026): G-Tech, Vol. 10 No. 2 April 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i2.9426

Abstract

Land reclamation is a crucial effort to restore former mining land so that it can function ecologically and economically again. XYZ conducts reclamation activities to meet applicable regulatory standards, therefore an internal assessment is required first before reporting to the ministry. This study aims to analyze the achievements of land management activities at the reclamation stage in PT. XYZ. The research method used is quantitative descriptive, with data collected through field observation and document analysis. The results of the study show that PT. XYZ has reached 25% of the reclamation plan in the first phase, with land management activities running for ±2 months. However, this study also identified obstacles such as less fertile soil conditions and high rainfall, as well as the absence of erosion and water control buildings made by the company, even though they are included in the reclamation activity plan. One of the settlement options that need to be done to achieve optimal reclamation success is to increase tools and working hours at the reclamation activity site, considering that the success of reclamation is the basis for company reporting and the ministry's assessment of the sustainability of the company's activities.
Perancangan Mine Sequence untuk Mendukung Target Produksi Bulan April pada Tambang Nikel Laterit Pit Hill16 PT Hillconjaya Sakti Irga loti Rante; I Putu Putrawiyanta; Noveriady Noveriady; Nuansa Mare Apui Ganang; Yunida Iashania
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 2 (2026): : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i2.8903

Abstract

This study is motivated by the discrepancy between production targets and actual field performance caused by dynamic operational conditions, such as equipment productivity and effective working time. The objective of this research is to redesign the production target and develop a more realistic mine sequence using a rolling plan approach at Pit Hill16. The method includes analyzing the productivity of loading and hauling equipment based on cycle time data, calculating effective working time, and determining production targets using the rolling plan method. Furthermore, mine sequence design is developed based on the adjusted production targets. The results indicate that the productivity of loading equipment is 241.98 BCM/hour for the EC480DL excavator and 123.27 BCM/hour for the EC210DL excavator, while hauling equipment productivity is 40.24 BCM/hour. The April production target based on the rolling plan is 275,913 BCM, which can be achieved through mine sequence design with a volume of 277,839 BCM, resulting in a difference of +1,926 BCM, still within acceptable planning tolerance. Therefore, the rolling plan approach is proven to produce a more adaptive and realistic mining plan under actual field conditions.
Co-Authors Agnesius Adi Lauriandro Aljack, Andreas Asi Ambeng, Rafvie Resido APRILIA, REZA Ariyantho Kusma Wijaya, Dody Asri Fridtriyanda Deddy Nan Setya Putra Tanggara Deddy NSP Tanggara Deddy Tanggara Dikki Saputra Djanas Usup, Hepryandi Luwyk Dody Ariyantho Kusma Wijaya Dwi Indah Purnamawati, Dwi Indah Eka Taufiqur Rahman Fahrul Indrajaya Ferdinandus Ferdinandus Ferdinandus Ferdinandus, Ferdinandus Ferra Murati Fidayanti, Neny Ginting, Nia D. Grace Any Pasaribu Hendrik Brianto Hepryandi L. Dj. Usup Immanuel Nababan Inso, Yos David Irga Loti Rante Irga loti Rante L., Prayoga Betrio Lumbantoruan, Pudan S. Luwyk Djanas Usup, Hepryandi Mahara, Deo Malau, Andri Antonius Manissa Rahayu Manurung, Golden Candra Martua Risa Munthe Matius Yosefhin Mellysa Caldera Miftahussalam _ Monica Anastacia Oktavia Talayuk Nababan, Immanuel Nadeak, Romualdo Nasrullah Nasrullah Neny Sukmawatie Ni Putu Ayu Indyastika Novalisae Noveriady Nuansa Mare Apui Ganang Pati Lewar, Immanuel Pebryanto, Pebryanto Prawindya Kumara, I Dewa Made Rivaldo Tarigan, Rio Samosir, Davidson Saptawartono Saptawartono Saptawartono, Saptawartono Silaban, Febry Samuel Simamora, Andre Sinaga, Wilmar G. M Sirait, Josua Sitorus, Yosua F. Situmorang, David Benedictus Sukmawatie, Neny Tampubolon, Pebri Usup, Hepryandi Luwyk Djanas Virgiyanti, Lisa Wijaya, Dody Ariyantho Kusma Wiryanto, Yustinus Hendra Yos David Inso Yossa Yonathan Hutajulu Yulian Taruna Yulius Kahanjak Yunida Iashania Yunitae Kristianie Yusandi, Yusandi Yusias Andri Yustinus Hendra Wiryanto