PT Priamanaya Energi is a company engaged in mining and selling coal commodities. At PT Priamanaya Energi, mining is planned to follow the mining sequence. However, the implementation of mining shows differences between the actual conditions in the field and the mining sequence. This study aims to evaluate the extent to which production is in accordance with the mining plan, identify locations …
Pond maintenance activities in the settling pond in the PT Kaltim Prima Coal open pit area are an important part of the mine water management system to prevent excessive sedimentation and disruption of mine operations. This study aims to analyze the productivity of heavy equipment used in the work, namely CAT 320 GC long arm backhoe excavator and HINO FM 260 JD dump truck, in Murung and Selanti…
This study aims to analyze the effect of haul road geometry on the productivity of hauling equipment in coal mining operations at PT Bhumi Sriwijaya Perdana Coal, Musi Banyuasin Regency, South Sumatera. The evaluated parameters include road width, longitudinal grade, cross slope, superelevation, and curve radius, which were compared with the standards of Ministerial Decree of Energy and Mineral…
PT Putra Muba Coal is a coal mining company that utilizes a Barge Loading Conveyor (BLC) system for loading coal from the stockpile to the barge. In March 2025, the company set a production target of 108,500 tons/month or a daily target of 3,500 tons. However, actual production has not consistently met this target. This study aims to analyze BLC productivity, identify key obstacles hindering sm…
Penelitian ini dilakukan di PT Batu Hitam Jaya, sebuah tambang batubara terbuka di Kabupaten Batanghari, Jambi. Pada awal Februari 2025, terjadi kelongsoran pada bench di bawah jalan dengan lebar 16 meter, tinggi 5 meter, dan sudut kemiringan 38° yang juga difungsikan sebagai jalan menuju disposal. Kondisi ini menimbulkan gangguan operasional dan meningkatkan risiko keselamatan, sehingga diper…
Coal mining activities at the northern pit of PT Banyan Koalindo Lestari utilize an open-pit mining system (surface mining). This study analyses the requirement for quicklime (CaO) in neutralizing acid mine drainage (AMD) in the Sedimentation Pond N1 at the northern pit of PT Banyan Koalindo Lestari, Musi Rawas Utara, South Sumatra. Acid mine drainage, formed through the oxidation of sulphide m…
Bauxite is a consisting of heterogeneous minerals with the main composition of alumina oxide (Al2O3). Bauxite as the main raw material for alumina can be obtained or extracted through mining processes carried out by surface mining and underground mining, according to the availability of bauxite itself. The Geological Resources Center data in 2014 shows the number of bauxite resources in Indones…
PT. Bukit Asam is a state-owned enterprise (BUMN) engaged in the coal mining industry, headquartered in Tanjung Enim District, Muara Enim Regency, South Sumatra Province. Based on the Realignment of the Long-Term Plan (RJPP), PT Bukit Asam in 2023 targets coal production of 38.9 million tons by optimizing all mines that are currently operating as well as those planned to operate in 2023. In 202…
Indonesia is a world coal producing country, with most of its deposits located in South Sumatra. PT Bukit Asam Tbk, Tanjung Enim Mining Unit (UPTE) is a coal mining company located in Muara Enim Regency, South Sumatra Province, which applies the open pit mining method with the Shovel and Truck system. The activity of separating coal from impurities is very important to improve the quality of co…
PT Lahat Pulau Pinang Bara Jaya (LPPBJ) is a company engaged in the mining sector located in Lubuk Betung Village, Lahat Regency, South Sumatra Province. The area of the Mining Business Permit (IUP) owned by PT Lahat Pulau Pinang Bara Jaya is 850.6 Ha. PT Lahat Pulau Pinang Bara Jaya experienced a failure to achieve the target in 3 MRP Period I in 2024. The mining sequence planning in this pit …
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 …