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Noveriady
Universitas Palangka Raya
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Perancangan Sequence Penambangan Bulan Januari dan Februari Tahun 2025 pada PT Putra Perkasa Abadi Site SKS Eka Taufiqur Rahman; Deddy Nan Setya Putra Tanggara; Ferdinandus Ferdinandus; Noveriady Noveriady; I Putu Putrawiyanta
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: 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.v5i1.7076

Abstract

Mining sequence design is one of the important stages in open pit mining activities that aims to organize the excavation stages so that production activities run effectively, efficiently, and in accordance with the established targets. This research was conducted at PT Putra Perkasa Abadi Site SKS with the aim of designing a mining sequence in January and February 2025. The methods used include analysis of topographic data, geology, pit design, and monthly production targets. The data was processed using mining software to determine the excavation sequence based on elevation, overburden volume, and coal reserves. The design results show that the total planned overburden and coal volume is able to meet the company's production targets by considering slope stability and the efficiency of digging and loading equipment. In addition, the resulting sequence design also takes into account aspects of work safety and field operational conditions, such as mine road access and drainage systems. With a structured design, it is expected that mining activities during this period can run according to schedule, minimize operational obstacles, and support the achievement of production targets and cost efficiency at PT Putra Perkasa Abadi Site SKS.
Perancangan Dimensi Sump di PT. Satria Alam Manunggal Site Telen Orbit Prima Desa Buhut Kecamatan Kapuas Tengah Kabupaten Kapuas Kalimantan Tengah Sri Rahmawati; Noveriady Noveriady; Yunida Iasahnia; Neny Fidayanti; Asri Fridtriyanda
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: 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.v5i1.7399

Abstract

This study aims to evaluate the actual sump capacity in accommodating mine water discharge, design a sump that fits field conditions, and determine the optimal pump capacity and system at PT Satria Alam Manunggal, Telen Orbit Prima Site. The research methods include field data collection (sump condition, water discharge, and pump capacity) and supporting data (rainfall, geological maps, and pump specifications). The design rainfall was calculated using the Gumbel method with a five-year return period, while water discharge was estimated from runoff, rainfall, and groundwater inflow. The results indicate that the existing sump, with a capacity of 508 m³, is insufficient to accommodate an inflow of 1.210 m³/s. Therefore, two new sumps were designed: the West Sump with a capacity of 38,400 m³ and the East Sump with 78,281 m³. Each sump employs a DnD 150-4H pump with a discharge rate of 480 m³/hour. The West Sump pump can drain water within approximately three days, while the East Sump requires about seven days. The trapezoidal sump design was chosen for its efficiency, structural stability, and effectiveness in sediment (TSS) deposition control, maintaining levels within safe limits. In conclusion, the design of the West and East sumps is considered optimal in accommodating mine water discharge and improving the overall effectiveness of the mine drainage system.
Analisis Kesesuaian Realisasi di Lapangan terhadap Rencana Penambangan Bulan Maret 2025 di Pit P3BK4 PT Tama Raya provinsi Kalimantan timur Pasaribu, Aldo Radot Hamonangan; Hutajulu, Yossa Yonathan; Wiryanto, Yustinus Hendra; Noveriady, Noveriady; Usup, Hepryandi Luwyk Djanas
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: 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.v5i1.7443

Abstract

This study was conducted to evaluate the level of conformity between actual mining activities in March 2025 and the monthly sequence design plan at PT Tama Raya's P3000BK14 pit. The evaluation focused on geometric deviations, volume achievement, and changes in field conditions that influenced these discrepancies. The data used included the sequence design, actual topography from the TLS (Low-Scale Land Survey), and weekly production realizations. The results showed significant discrepancies between the planned and actual operations in weeks 2 and 4, primarily in the form of overcuts, undercuts, non-designed contour changes, thinning of the coal seam, and hydrological obstacles such as ponding and unstable drainage. The R2 sequence redesign in week 4 proved to improve the overburden excavation flow but did not fully restore coal access due to persistent geological and water conditions. These findings emphasize the need for more rapid topographic updates, more intensive water handling, and interdepartmental coordination to ensure better synchronization of plans and operations.
Co-Authors Aftri Sa Putra Alvionyta, Agnes Angelina Butarbutar, Fani Arini Putri, Desti Asri Fridtriyanda Aulia, Syarifah Azman, M. Khairul Betrio, Prayoga L. Betwin, Agre Deddy Nan Setya Putra Tanggara Deddy Tanggara Dedy Jupiter Sihombing Djanas Usup, Hepryandi L. Dody Aryantho Kusma , Wijaya Eka Taufiqur Rahman Erlangga Eka Wijaya Fahrul Indrajaya Ferdinandus Ferdinandus Ferdinandus Ferdinandus, Ferdinandus Fidayanti, Neny Gaol, Bintang B. T Lumban Hairi, Adria Hendrik Brianto Hepryandi L. Dj. Usup I Putu Putrawiyanta Immanuel Nababan Indrajaya, Fahrul Inso, Yos David Iqramina Sista Dewi Irga Loti Rante L., Prayoga Betrio Luwyk Djanas Usup, Hepryandi Marsel, Marsel Martua Risa Munthe Matius Yosefhin Meka, Lesly Martha Cecylia Mindo Tiorida Panjaitan Nababan, Bona Fransisko Nainggolan, Willy Kusuma Nasrullah Nasrullah Neny Fidayanti Neny Sukmawatie Novalisae Nuansa Mare Apui Ganang P. C. Ishudi Pasaribu, Aldo Radot Hamonangan Prasetyo, Mikhael Dendi Purba, Aron Saputra, Rafiq Aldi Simamarta, Jhonatan G Sirait, Josua Sista Dewi, Iqramina Sri Rahmawati Sukmawatie, Neny Tumanggor, Ronal Berkat Usup, Hepryandi Luwyk Djanas Utama, Restu Virgiyanti, Lisa Wardani, Riana Sri Wiryanto, Yustinus Hendra Yossa Yonathan Hutajulu Yunida Iasahnia Yunida Iashania Yunitae Kristianie Yusias Andri