Mine Planning is an essential stage to optimize coal reserve and ensure efficient, well-directed and sustainable mining operations. This research was conducted at PT Merapi Energy Coal, Merapi Barat, Lahat District, South Sumatera, with objective of determining the requirements of loading and hauling equipment, designing a mining sequence, and preparing a production schedule in 2027. The analys…
Penelitian ini dilaksanakan di PT Bukit Asam Tbk, sebuah perusahaan pertambangan batu bara yang beroperasi di wilayah Kabupaten Muara Enim, Provinsi Sumatera Selatan. Dalam menjalankan kegiatan produksinya, perusahaan ini menerapkan sistem tambang terbuka dengan metode penambangan open pit. Salah satu tahap krusial dalam proses penambangan batu bara adalah kegiatan pemberaian material lapisan p…
The research was conducted on the PT Minevesting Resources Indonesia silica mining project, which is still in the feasibility study stage. To ensure the economic feasibility of developing the mine, a comprehensive study of the project's financial aspects and sensitivity was conducted. The indicators used included Net Present Value (NPV), Internal Rate of Return (IRR), and Payback Period (PBP). …
PT XYZ targets 4,243,000 bcm of overburden and 1,150,000 tons of coal in 2024. The actual mining process in the first quarter was carried out and obtained overburden production of 577,698 bcm and 136,079 tons of coal which were under the company's first-quarter plan due to geotechnical problems and the presence of issues regarding disputed land. A mine plan is carried out by calculating the uni…
PT Bhumi Sriwijaya Perdana Coal is one of the mining companies engaged in the coal industry, located in Beji Mulyo Village, Tungkal jaya district, Musi Banyuasin Regency, South Sumatera Province. In Januari 2024, the coal production target at PT Bhumi Sriwijaya Perdana Coal was 100.000 tons/month, but the realization only reached 71,314 ton/month. One of the fators causing the non-achievement o…
PT Dahana (Persero), as a blasting service contractor in the limestone mining area of PT Semen Baturaja Tbk, faces operational challenges due to the proximity of the mining site to residential areas. This condition requires strict control of environmental impacts, particularly ground vibration, to comply with the SNI 7571:2023 standard. This study aims to analyze the effect of in-hole delay var…
PT Vale Indonesia Tbk merupakan perusahaan pertambangan yang bergerak dalam kegiatan eksplorasi, ekstraksi, dan penambangan komoditas mineral nikel. Salah satu hill yang terlibat dalam operasi penambangan adalah pit LBS-02 yang terletak di Blok West Sorowako, Kabupaten Luwu Timur, Sulawesi Selatan. Berdasarkan data resmi yang didapatkan dari PT Vale Indonesia Tbk, di dalam 10 tahun terakhir pro…
Open-pit mining requires safe slope designs, as instability can lead to failures such as the landslide that occurred at the lowwall of Pit 1 North Block at PT Ulima Nitra Tbk. Variations in lithology and increases in groundwater saturation heighten the risk of slope failure, necessitating a comprehensive technical assessment. This study aims to analyze geotechnical parameters, determine the act…
PT. Bukit Asam, Tbk. merupakan perusahaan BUMN yang berkecimpung di sektor pertambangan batubara di Tanjung Enim, Sumatera Selatan. Perusahaan ini memiliki Izin Usaha Pertambangan (IUP) dengan luas area mencapai 40.347 hektar. Penelitian ini dilakukan dengan menganalisis serta mengumpulkan data lapangan yang aktual. Pengumpulan data lapangan melibatkan evaluasi cycle time untuk shovel PC 3000 d…
PT Bahana Selaras Alam adalah perusahaan konsultan pertambangan dan perusahaan jasa pertambangan terintegrasi yang berbasis di Indonesia. Dengan luas area kerja 68.85 ha, perusahaan ini menargetkan produksi sebesar 626.072,32 ton batubara dan 1.233.996,49 pada tahun 2024. Maka dari itu diperlukan adanya perencanaan dan redesign pit, kapasitas disposal, dan banyaknya unit yang dibutuhkan agar ta…
Fragmentation is one of the indicators that a rock blasting process must have to achieve good blasting success. In this case, the size of fragmentation produced has an impact on the excavation and loading procedures of rock blasting. To ensure that the blasting process can run in accordance with the function and meet the standard results, this research adjusts the berat of the existing Dayagel …
Selktor pelrtambangan di Indonelsia belrkelmbang pelsat karelna pelrkelmbangan nelgara yang pelsat. Dampak lingkungan nelgatif industri pelrtambangan harus dikurangi mellalui relklamasi dan pascatambang. PT. Baturona Adimulya selbagai salah satu industri pelrtambangan harus mellakukan kelgiatan relklamasi dan pascatambang. Permasalahan pascatambang yang timbul di Pit 5 PT. Baturona Adimulya ter…
PT. Tata Bara Utama merupakan perusahaan yang bergerak di bidang kontraktor pertambangan batubara di wilayah Kabupaten Musi Banyuasin, Provinsi Sumatera Selatan. Perusahaan ini menggunakan metode tambang terbuka di mana seluruh kegiatan operasi dilakukan dengan membuat lubang bukaan tambang yang berhubungan langsung dengan udara dan sinar matahari. Pada pit fase 2 kolam penampungan (sump) belum…
Slope stability is a persistent geotechnical challenge in the mining industry, necessitating meticulous planning in the design of mine slopes. Even after a slope design is confirmed as safe, continuous monitoring is essential, as initially stable slopes can become unstable due to slope movements, ultimately leading to failure. Currently, one of the most advanced and accurate slope monitoring me…
Bahan bakar merupakan salah satu komponen biaya operasional terbesar dalam kegiatan pertambangan. Di PT Manggala Usaha Manunggal, konsumsi bahan bakar dump truck Sany SKT 80S pada kegiatan pengupasan overburden masih tergolong tinggi. Hal ini dipengaruhi oleh beberapa faktor, salah satunya adalah geometri jalan tambang. Penelitian ini bertujuan untuk menganalisis pengaruh geometri jalan tambang…
PT Bukit Asam Tbk merupakan salah satu badan usaha milik negara yang bergerak di bidang pertambangan batubara dimana dalam proses penambangannya menggunakan metode tambang terbuka (surface mining). Metode tambang terbuka memerlukan geometri jalan angkut yang ideal atau sesuai standar karena memiliki peranan yang sangat penting dalam pencapaian target produksi penambangan, membuat kegiatan hauli…
PT Battoman Coal is a coal mining company located in Musi Banyuasin Regency, South Sumatra which collaborates with PT Bima Shabartum Gemilang to carry out the geotechnical drilling exploration stage. PT Battoman Coal's stratigraphy is composed of claystone, sandstone, siltstone, carbonaceous claystone, carbonaceous siltstone, and coal. Analysis of ground water level conditions was carried out u…
PT. Bukit Asam merupakan perusahaan pertambangan batubara yang beroperasi di Indonesia, terletak di Kecamatan Tanjung Enim, Kabupaten Muara Enim, Sumatera Selatan. Luas area Izin Usaha Pertambangan (IUP) yang dimilikinya mencapai 93.000 hektar. Salah satu izin usaha penambangan yang dimiliki oleh PT. Bukit Asam adalah PIT E Bangko Tengah. Proses pengupasan lapisan tanah penutup, atau overburden…
PT. Bukit Asam Tbk is a State-Owned Enterprise company that operates in the coal mining sector. PT Bukit Asam Tbk is located in South Sumatra Province, precisely in Tanjung Enim District, Muara Enim Regency. The research was carried out because it looked at the condition of slope stability in the old dump area in the Mahayung North Laya Water Mine (TAL Mahayung) pit. Mining carried out at the T…
PT Semen Baturaja Tbk is a State-Owned Enterprise (BUMN) that produces national cement and operates in the South Sumatra region, with its production center located in Baturaja, Ogan Komering Ulu Regency. PT Semen Baturaja Tbk is active in blasting activities aimed at producing rock fragmentation with a size that tends to be smaller, thus facilitating the search process. The blasting carried out…
The growth of internet users in Indonesia, reaching 221 million in 2024, has significantly impacted the digital sector, including operator service applications such as myXL. This application facilitates user access to telecommunication services, yet discrepancies between user ratings and comments are often found. Therefore, sentiment analysis is needed to more accurately evaluate user satisfact…
Blasting activities in the mining industry can generate ground vibrations that pose risks to nearby structures and community comfort. This study aims to analyze the effect of explosive charge on ground vibration levels (peak vector sum/PVS) at the limestone quarry of PT Semen Padang (Persero), West Sumatra. The objectives include: identifying current blasting conditions, analyzing the relations…
Optimasi desain casing pada sumur KG P3 di Lapangan Prabumulih, PT Pertamina Hulu Rokan, dilakukan karena konfigurasi awal dengan empat trayek (conductor, surface, production, liner) menimbulkan biaya material tinggi, waktu pemasangan lama, dan kompleksitas operasional. Penelitian ini bertujuan menyusun desain casing yang lebih efisien secara teknis dan ekonomis, serta tetap memenuhi kriteria k…
PT Semen Baturaja (Persero) Tbk is a state-owned enterprise operating in the cement industry with two main mining areas: limestone and clay quarries. To enhance the efficiency and productivity of its mining operations, this study analyzes the effect of blasting geometry on rock fragmentation quality and digging time. The research employs an experimental method with an intact comparison design, …
PT. Bukit Asam Tbk is one of the coal mining companies that employs open-pit mining to extract coal. After the mining activities are carried out, reclamation activities are then implemented. The background of this research is that environmental damage often occurs in every mining activity, including the degradation of environmental quality, such as ecosystem destruction, and even poses a threat…
PT Victor Dua Tiga Mega adalah perusahaan pertambangan dalam bidang batubara. Penelitian ini mengambil physical availability peralatan dari Bulan November 2024 – Januari 2025. Lifetime merupakan umur dari peralatan sejak alat tersebut pertama kali digunakan sedangkan Physical availability merupakan kemampuan fisik alat untuk melakukan pekerjaannya secara maksimal tanpa adanya kendala kerusaka…
PT Victor Dua Tiga Mega is a company engaged in mining with a Mining Business License (IUP) of 3464 Ha, located in Luwe Hulu, West Lahei District, North Barito Regency, Central Kalimantan Province. Overburden or coal cover material that has been excavated needs to be moved to a location called a disposal area. Inpit dump is an area located within the mine site that is used to stockpile overburd…
This research aims to evaluate the performance of oil and gas production at well FN-06, which operates using an Electric Submersible Pump (ESP) in the working area of PetroChina International Jabung Ltd. Well FN-06 uses an ESP pump type QN30/48 Hz at a depth of 6765 ft and produces a production rate of 420 BFPD with a pump efficiency of only 25%. This low efficiency is caused by the pump operat…