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…
Blending batubara adalah pencampuran dua atau lebih jenis batubara dengan kualitas berbeda untuk menghasilkan suatu kualitas batubara yang sesuai dengan target yang akan dicapai. Proses blending pada penelitian ini menggunakan 3 jenis batubara mine brand yaitu MT-49, BB-51, dan BTB-47 dengan metode blending conveyor per conveyor dan menggunakan pola curahan layered stockpiling. Target produksi …
The Life of Mine (LOM) Pit 1A design of PT Multi Service Mining underwent modifications due to a boundary with PT Anugrah Cofindo Indonesia, reducing the mining area from 57.598 ha to 50.094 ha. This resulted in a decrease in overburden reserves (from 10,745,290.68 BCM to 9,489,031.26 BCM) and coal (from 3,182,393.99 Tons to 2,769,738.83 Tons). Operations using 7 fleets yield an annual capacity…
The research location is a coal company located in Merapi Barat District, Lahat Regency, South Sumatra Province. Stripping of PT Bumi Merapi Energi's overburden experienced a problem with not achieving the target, because excavator productivity was not optimal. Material hardness is a major factor in high digging time which causes low excavator productivity. The ripping method will be applied to…
Kegiatan pengupasan dan pengangkutan overburden di PT. Putra Muba Coal mengoperasikan alat gali muat berupa excavator dan alat angkut berupa dump truck. Pada kegiatan ini sering terdapatnya waktu tunggu terhadap alat gali muat sehingga mengakibatkan ketidakserasian kerja alat gali muat dan alat angkut. Untuk meningkatkan target produksi tersebut maka perlu dilakukannya peningkatan terkait efisi…
Abnormal cycles refer to periods when mining operations are disrupted or temporarily halted for maintenance, refueling, or other time-consuming activities. The integrated pit stop method emerges as a potential solution to address abnormal cycle issues. This study aims to investigate and analyze the integrated pit stop method during rest periods at coal mining sites using the Haulsim 3.6 simulat…
Coal is usually used for Steam Power Plants (PLTU). One of the subsidiaries of PT Bukit Asam Tbk. namely PT Bukit Energi Servis Terpadu (PT BEST) at PLTU Banko Barat Tanjung Enim, South Sumatra with a capacity of 3x10 MW. This research was carried out because the use of coal in industry as fuel is increasing, which has an impact on the amount of waste produced. This research was carried out by …
PT. Bukit Asam, Tbk memiliki 5 Izin Usaha Pertambangan (IUP) dengan total luas 40.347 На di Tanjung Enim, Kabupaten Muara Enim, Sumatera Selatan. Penelitian ini dilakukan di area Tambang Air Laya Utara PT. Bukit Asam, Tbk dengan wilayah IUP ±7.6221 Ha. PT Bukit Asam, Tbk dikenal sebagai perusahaan pertambangan batubara terbuka yang melakukan penggalian terus menerus dimulai dengan pemindahan…
PT. Pamapersada Nusantara merupakan perusahaan kontraktor yang bergerak di bidang pertambangan. Kegiatan penambangan dilakukan dengan metode tambang terbuka. Salah satu cara pembongkaran batubara pada tambang terbuka adalah dengan kegiatan ripping. Bulldozer Komatsu D 375 A digunakan untuk membantu memberaikan lapisan material yang dapat memudahkan excavator backhoe Komatsu PC 400 LC melakukan …
PT. Bukit Asam (Persero) Tbk merupakan salah satu Badan Usaha Milik Negara (BUMN) yang bergerak pada bidang pertambangan nasional di bawah Departemen Energi dan Sumber Daya Mineral yang berpusat di Tanjung Enim, Sumatera Selatan. PT. Bukit Asam (Persero) Tbk memiliki tiga lokasi penambangan utama, yaitu Tambang Air Laya, Muara Tiga Besar, dan Banko Barat. Lokasi Tambang Muara Tiga Besar dibagi …
Coal which have been exploited at Lahat then will be distributed to Kertapati Port through Train Loading Station (TLS) that is located in Sukacinta, Lahat, supported by PT. Kereta Api Logistik (KALog). The coal transport process to Kertapati is using a train with the volume 50 metric ton/flat carriage. The coal which is delivered from Sukacinta stockpile to Kertapati stockpile often experienced…
The gas lift method is a method of removal of the fluid in which a relatively high gas pressure (250 psi minimum) is used as a medium lifting through a mechanical process with the help of a compressor. Planning and execution of appropriate gas lift designs will provide optimal production at production wells. PT Medco E & P Indonesia is one of the companies that apply the gas lift method at the …
Based by regulation of Minister of Energy and Mineral Resources (ESDM) Decree No. 1827 K/30/MEM/2018 the mining road at PT Firman Ketaun which does not meet the regulatory standards of as well as coal productivity targets not being achieved due to long distances and high road slopes. Apart from this, the dimensions of the road must also be re-evaluated to produce a good road that meets safety s…
Reclamation is an effort to restore land affected by mining activities to restore ecological and environmental functions according to their designation. This process involves landscaping, revegetation and management of mine water quality. In mining, reclamation is a company obligation that must be carried out in accordance with regulations, such as the Minister of Energy and Mineral Resources D…