Coal mining of PT Satria Bahana Sarana is carried out using the open pit method. The open pit mining method will produce a depression that will be filled with water when it rains. In the E Banko pit of PT Satria Sarana Bahana there is a void filled with water located in the e banko pit. The void enters the boundary pit in the LOM (life of mine) design, which is right between the void and the pi…
PT. Golden Great Borneo adalah perusahaan nan berjalan pada industri pertambangan sebagai pemilik Izin Usaha Pertambangan (IUP) yang sekarang sedang bekerja sama dengan PT. Cahaya Riau Mandiri sebagai kontrantor yang lokasi nya ada di Desa Prabumenang, Kecamatan Merapi Timur, Kabupaten Lahat, Provinsi Sumatera Selatan. Pada aktivitas coal getting PT. Golden Great Borneo memanfaatkan beberapa je…
PT Berau Coal is a coal company operating in Berau Regency, East Kalimantan. PT Berau Coal is one of the largest coal producers in Indonesia. One of the mining areas is the Binungan Mine Operation 1 (BMO 1) site. This area has Coal Hauling activities on the ebony road that connects the Binungan and Suaran areas. The Binungan-Suaran Coal Hauling is approximately 28 KM from the KM 1 Binungan Coal…
Dalam kegiatan pengupasan overburden pada bulan tahun 2022 PT Berau Coal merencanakan pengupasan overburden di pit Q sebesar 7.276.167 BCM/tahun sedangkan realisasi dilapangan hanya sebesar 4.995.493 BCM/bulan atau sekitar 69% dari rencana produksi yang telah ditargetkan. Salah satu faktor yang mengakibatkan tidak tercapainya target produksi yaitu kurang optimalnya kinerja alat serta banyaknya …
Batubara merupakan salah satu sumber energi utama yang digunakan di berbagai negara dan sering diperdagangkan guna memenuhi kebutuhan energi global. Indonesia sebagai salah satu negara penghasil batubara memiliki peran penting dalam memenuhi permintaan tersebut salah satunya melalui PT Bukit Asam Tbk yang memproduksi dan mengekspor batubara dalam berbagai market brand. Penelitian ini bertujuan …
Kegiatan peledakan pada PT MTN di pit E Utara bertujuan untuk mengupas lapisan tanah penutup batubara overburden ataupun interburden. Hal ini dilakukan agar mempermudah alat gali muat untuk mengupas lapisan tanah penutup tersebut dalam mencapai target produksi. Kegiatan peledakan yang dilakukan di PT MTN terdiri dari beberapa tahapan, seperti persiapan pengeboran, kegiatan pengeboran, kegiatan …
The research was conducted on the silica mining project of PT Minevesting Resources Indonesia, which is still at the feasibility study stage, with the main focus on evaluating the optimal financing strategy through a comparison between equity financing and debt financing. The analysis was carried out using a quantitative approach based on projected cash flows with two key parameters, namely Net…
Pit X TAL Utara PT Bukit Asam plans to replace the excavation and haulage equipment with larger capacity due to increased production. If a tool is above the ground it will provide ground pressure which ground pressure from this tool must be smaller than the value of the bearing capacity of the soil. Therefore, Dynamic Cone Penetrometer (DCP) testing is carried out to determine the value of soil…
Coal has different HGI (Hardgrove Grindability Index) values, in the Inul East pit of PT Kaltim Prima Coal which has 15 coal seams, some of which are seams K1, K4, K6, K12, K14 and K17LR which are divided into 3 products namely: Melawan, Pelikan 4800, and Pelikan 4300. This research aims to see the effect of coal HGI value on Cat 6015 backhoe digging time. The data processing used in this resea…
Permasalahan dalam proses pemboran sumur sering terjadi apabila mud weight yang digunakan tidak sesuai dengan model geopressure sumur tersebut. Ketidaksesuaian ini dapat menimbulkan berbagai masalah selama proses pemboran, seperti yang dialami pada sumur TRG-1. Pada beberapa titik kedalaman, penggunaan mud weight tidak optimal sesuai dengan tekanan pori dan tekanan rekah yang ada, sehingga meng…
PT Putra Muba Coal is a coal company in South Sumatra with a licence covering an area of 2,947 hectares. The actual overburden stripping at PT Putra Muba Coal Pit Nakula in July amounted to 370,953 bcm with a stripping target of 307,777 bcm, so that the achievement of overburden stripping was 83%, so there was a production deficit of 17%.. The purpose of this research is to evaluate the perform…
PT Pembangunan Sarana Perkasa is a company engaged in mining and civil construction. In this case, PT. Pembangunan Sarana Perkasa collaborates with PT. Semen Baturaja Tbk to carry out the mining process at location 2A using the Wirtgen 2200 Surface Miner mechanical tool. Therefore, this study aims to analyze the performance and productivity of the Wirtgen 2200 Surface Miner mechanical tool in M…
The coal transportation process at PT Putra Muba Coal poses a high risk of workplace accidents, primarily due to inadequate mining road conditions, operator fatigue, and insufficient compliance with safety procedures. This study aims to identify potential hazards, assess risk levels, and evaluate the effectiveness of risk control measures using the HIRARC method. The findings reveal that out of…
This drilling test was carried out on 3 (three) concrete sample media where the concrete samples had different compressive strength values, including concrete samples with a compressive strength value of 6.2Kn, concrete samples with a compressive strength value of 4.5Kn, and concrete samples with a compressive strength value of 2.9Kn. In each test samples were given different loading variations…
PT Bukit Asam, Tbk is a state-owned company in the coal mining industry, located in Tanjung Enim, South Sumatra. Mining is conducted through open pit mining methods, covering the areas of TAL, MTB, Banko Barat, and Banko Tengah. Despite having strong coal resources and infrastructure, PT Bukit Asam often struggled to meet production targets. Factors affecting the productivity of loading and hau…
PT Battoman Coal merupakan perusahaan pertambangan dengan rencana sistem penambangan open pit. Penelitian ini bertujuan untuk mengetahui bagaimana pengaruh seepage terhadap kestabilan lereng terlebih pada wilayah penambangan belum pernah dilakukan kajian mengenai efek seepage air tanah terhadap kestabilan lereng sehingga diperlukan rencana geometri lereng terlebih dahulu karena pada wilayah ini…
PT Dizamatra Powerindo adalah perusahaan pertambangan dengan Wilayah Izin Usaha Pertambangan seluas 971 hektar. Perusahaan ini menargetkan produksi sebesar 3,4 juta ton batubara pada Pit 04. Maka dari itu, diperlukan perencanaan dan redesign pit, kapasitas disposal, dan banyaknya unit yang dibutuhkan agar target produksi pada tahun 2024 tercapai. Software Minescape 5.7 akan menjadi alat bantu u…
Penelitian ini didasarkan untuk mengoptimalkan efisiensi biaya operasional dan mengurangi jarak hauling dibandingkan dengan lokasi J Void Dump yang saat ini digunakan. Penelitian ini bertujuan untuk mengevaluasi kelayakan ekonomis dari rencana redisturb (penggunaan kembali) lokasi Brazil Dump sebagai alternatif dumping point untuk material overburden di PT Kaltim Prima Coal (KPC). Metode peneli…
PT Kaltim Prima Coal (KPC) merupakan salah satu perusahaan tambang batubara terbesar di Indonesia yang beroperasi di Kutai Timur, Kalimantan Timur. Salah satu area operasionalnya, yaitu Panel Jaguar di Pit Pinang South, menjadi objek penelitian ini dengan tujuan utama mengoptimalkan broken recovery, yaitu persentase volume material hasil peledakan yang berhasil diangkut dan dimanfaatkan secara …
PT Bukit Asam, Tbk has various types of coal with different qualities. As a result of this, the company has made coal blending effort so that the coal sold is in accordance with the specifications or contracts that have been approved. PT Bukit Asam Tbk. The Tarahan Port Unit has received a coal export request for MV. Xie Hai Yong Xin from China with the market brand type BA50 and a total tonnag…
This study aims to evaluate the 2025 annual pit design in the West Pit E Extension of PT Satria Bahana Sarana (PT SBS) to improve slope stability. The main problem is the fault structure on the south sidewall which in the initial design was in the form of a single slope of ±40 meters high with an inclination of 80°, with a high risk of landslides. The results of the analysis showed a static s…
PT. Batu Hitam Jaya, bagian dari Asiatic Group dengan IUP seluas 2.000 hektar di Desa Hajran, Batanghari, melalui proyek baru Pit B2 yang beroperasi sejak November 2024 masih menghadapi kendala pada manajemen alat dan logistik produksi. Penelitian ini bertujuan mengevaluasi kondisi front, kinerja peralatan mekanis, serta mengidentifikasi hambatan dominan terhadap efektivitas produksi batubara. …
PT Bara Anugrah Sejahtera (BAS), a coal mining company located in Muara Enim, South Sumatra, is currently facing a major challenge due to limited disposal land, which has led to temporary dumping and material rehandling activities in the northern Sump area. One of the best solutions considered is a void-sharing collaboration with PT Prima Mulia Sarana Sejahtera (PMSS). However, due to the consi…
Disposal merupakan area penting dalam tambang terbuka sebagai lokasi penimbunan material tanah penutup. Namun, kestabilan lereng disposal sangat dipengaruhi oleh kondisi geoteknik material dan fluktuasi muka air tanah (MAT). Penelitian ini dilakukan di Disposal XYZ PT Bukit Asam Tbk. dengan tujuan menganalisis kondisi geoteknik material serta elevasi MAT, mengetahui pengaruh fluktuasi MAT terha…
The direction of mining progress at PT Multi Service Mining is horizontal advancement, meaning that the coal seam is mined in the direction of the coal seam continuity in the sequence. Measurement of mining progress, or what can be called weekly progress at PT Multi Service Mining, is carried out weekly using a survey method using a total station to monitor mining progress. Later, adjustments w…
The achievement of productivity in overburden removal activities in coal mining is greatly influenced by the productivity of mechanical equipment, one of which is the excavator. The factors that contribute to productivity are the characteristics of the overburden material to be stripped. This study aims to analyze the characteristics of overburden material in two different fleets and analyze it…
PT Semen Baturaja Tbk is a company engaged in limestone mining and cement production, where blasting is the method used to fragment limestone. The location of Pit Baturaja 1 is approximately 250-500 meters from the residential areas of Pusar Village and Talang Jawa Village. The ground vibration and noise generated by blasting activities still cause discomfort to the residents. PT Semen Baturaja…
The dominance of coal-based energy use in Indonesia contributes significantly to environmental impacts, so that more environmentally friendly utilization solutions are needed. One alternative developed is the manufacture of coal briquettes using cold sintering, an energy-efficient low-temperature powder compaction method. This study examines the effect of variations in the composition of sub-bi…
The MT-3 well in the Tanjung Jabung Field, Jambi Province, is part of an old oil field that has experienced a decrease in reservoir pressure, so that it is no longer able to produce naturally. To maintain the production rate, the Hydraulic Pumping Unit (HPU) artificial lifting method is used. At the beginning of operation, with the parameters of 1 ½ inch Plunger Diameter, 5 SPM Pump Speed, and…