PT. Bukit Asam, Tbk is a company that is actively engaged in coal mining. One of the pits owned by PT. Bukit Asam, Tbk, namely Pit 2 Banko Barat, will reach its economic limit, so a reserve conservation plan is needed in an effort to maximize the reserves in Pit 2 Banko Barat. The reserve optimization plan is the implementation of mining using the auger mining method as a reserve maximization. …
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…
Industri produk dari batu bara merupakan salah satu sektor penting dalam perekonomian Indonesia yang berkontribusi signifikan terhadap pendapatan negara dan penyediaan energi. Meski demikian, masih terdapat beberapa kendala yang harus dihadapi oleh industri produk dari batu bara, khususnya dalam pemanfaatan input produksi. Penelitian ini bertujuan untuk mengetahui dan menganalisis efisiensi tek…
Penambangan batubara memerlukan biaya yang besar. Sehingga diperlukan pengawasan dan analisa yang tepat dalam mengontrol biaya yang dikeluarkan perusahaan. Dengan sistem pembayaran jasa penambangan yang dinilai dari jumlah produksi tanah penutup dan batubara, maka perusahaan juga harus mengontrol kemampuan produksi peralatan mekanis agar sesuai target. Untuk menghitung biaya yang dikeluarkan ol…
This study was conducted to determine the precision and accuracy of the verification of the coal ultimate analysis test method. Coal samples that are still in the form of lumps are ground in stages using a jaw crusher to a size of 10 mm, a hammer mill to a size of 2.8 mm and a cross beater mill to a size of ±0.212 mm, then a fine coal powder is obtained that is ready to be tested. The method u…
The condition of coal is greatly influenced by the geological conditions that occur in its depositional environment. Coal is formed through a deposition process that occurs in specific locations called depositional environments. This depositional environment can be a swamp, delta, river, lake, or area such as a basin where plant material accumulates and settles. This condition will affect the q…
PT. Sarolangun Bara Prima merupakan perusahaan pertambangan yang bergerak di bidang penambangan batubara yang berada di kecamatan mandiangin, kabupaten sarolangun, jambi. Untuk mencapai target produksi sebesar 55.000 ton/bulan perlu adanya suatu rencana penambangan yang melingkupi metode, tahapan penambangan, serta kebutuhan alat mekanis. Sistem penambangan yang digunakan adalah secara tambang …
PT. Jasa Laksa Utama is a coal mining company that is part of PT. Bara Alam Utama, located in Lahat Regency, South Sumatra Province. Results of company's coal production are stored in stockpile. Problem that occurs in this company is stockpile management that has not been going well due to high coal in that exceeds coal out, so there is coal final stock and it can cause difficulty in implementi…
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…
The study was located in Gumay Talang District, Lahat Regency, South Sumatra. The research location is located in the South Sumatra Basin and is included in the Muaraenim Formation (Tmpm). The study was conducted to determine the characteristics and distribution patterns of coal seams at the location. The methods used in this study are well logging and startmodel methods. Lithology found at the…
PT. Bara Permata Mining merupakan salah satu kontraktor perusahaan tambang batubara yang terletak di desa Mekar jadi Kecamatan Sungai Lilin, kabupaten Musi Banyuasin.Sumatera Selatan. Sistem Penambangan yang diterapkan di PT. Bara Permata Mining menggunakan sistem tambang terbuka dengan bentuk kegiatan penambangan menggunakan metode konvesional, kegiatan penambangan yang dilakukan di PT. Bara P…
PT Tambang Bukit Tambi is a subsidiary of PT Nan Riang which is located in Padang Kelpo Village, Maro Sebu Ulu District, Batanghari Regency, Jambi Province. In this study, analysis of potential hazards and risk control was carried out using the Hazard Identification Risk Assessment and Risk Control (HIRARC) method. With this HIRARC method, we can identify the hazards and the hazard character of…
PT Bukit Asam, Tbk Unit Dermaga Kertapati merupakan perusahaan pertambangan yang bergerak dalam bidang energi dan Pertambangan batubara. Unit Dermaga Kertapati merupakan tempat untuk mengekspor batubara. Batubara yang diproduksi diusahakan memenuhi kebutuhan yang diperlukan konsumen. Permasalahan yang biasanya terjadi pada stockpile yaitu swabakar. Semakin lama batubara tertimbun maka semakin b…
The Muara Enim Formation is one of the largest coal-producing formations in Indonesia, located in South Sumatra. This research area is located in the BME PIT Kungkilan Area, Lahat Regency, South Sumatra. One of the disturbing factors in the coal mining process is the presence of silicified coal in the coal seams. Silicified coal is an organic material that has died and then precipitated, then t…
Gasification technology is currently advancing with various types of gasification reactors. These reactors have different types and characteristics of material feeding suitable for raw materials, and Indonesia possesses various coal qualities, necessitating research to determine the appropriate gasification reactor type based on coal rank. A simulation of gasification is conducted to determine …
PT. BIMA PUTRA ABADI CITRANUSA (BPAC) IS A COMPANY ENGAGED IN THE MINING SECTOR WITH AN AREA OF 286 HECTARES OF IUP EXPLORATION. IN MARCH 2022 THE COAL PRODUCTION TARGET AT PIT 1 LUBUK BETUNG WAS 220,000 TONS, WHILE ONLY 181,768.80 TONS WERE REALIZED WITH A PRODUCTION ACHIEVEMENT OF 83% OF THE TARGETED PRODUCTION TARGET. THIS RESEARCH AIMS TO STRIVE FOR BETTER AND MORE EFFICIENT MINING ACTIVITI…
PT Putra Muba Coal (PMC) is located in Sungai Lilin District, Musi Banyuasin Regency. PT PMC set a coal production target of 3 semesters of 1850,000 tons. To meet the production target, PT PMC plans to mine the Abimanyu pit, so a scheduled, safe, and economical pit design plan is needed and can support the achievement of the planned production target. The maximum value of the stripping ratio is…
PT. Bukit Asam Tbk is one of the mining companies in Indonesia, which is engaged in the mining and sale of coal commodities. Coal mining activities at PT Bukit Asam Tbk are designed in monthly mining sequences. The reality on the ground shows that there is a discrepancy between the actual situation on the ground and the mining plan. This study aims to determine the achievement of production bas…
Coal mining companies have a place to accommodate the results of temporary economic minerals for a long time and then carry out marketing or the stockpile area. Coal hoarding for a long time will experience land subsidence or settlement, resulting in the reduced economic value of coal. Settlement due to loading requires consolidation analysis. The consolidation process shrinks the volume or voi…
The PQRT pit is one of the pits in Site Lati which is the largest contributor to PT Berau Coal's coal production which in 2022 will reach 7,856,452 tons. Due to market demand in meeting the needs of coal has become an important matter in the mining business so that the market demand for seam P coal has also increased. Judging from the actual conditions of the PQRT pit, which is on the west side…
PT Kideco Jaya Agung is a company engaged in coal mining and uses an open pit mining system. During the rainy season, the flow of water entering the mining area will be mixed with the solid material it is traveling through and stagnate in temporary water storage ponds or sumps, turning it into mud. The coal production process is hampered because the coal to be mined is submerged by water and mu…
PT Tunas Jaya Perkasa adalah perusahaan kontraktor batubara yang mengerjakan jobsite PT TRUST-BEK. Ketidaktercapaian target produksi di tahun 2022 membuat perusahaan ingin meningkatkan target produksinya. Sehingga perlu direncanakan dan dilakukan pendesainan ulang dari bukaan pit, kapasitas disposal, dan jumlah kebutuhan alat agar menunjang ketercapaian produksi pada tahun 2023. Perencanaan sek…
PT Gorby Putra Utama is a coal mining company in North Musi Rawas District, South Sumatera. The coal mining of PT Gorby Putra Utama is carried out using the open pit mining method. This study aims to determine the flow of water entering the mine so that the ideal sump volume will be known to accommodate the water discharge, the pump capacity capable of removing water from the sump and the volum…
PT Semen Baturaja (Persero) Tbk. adalah perusahaan dengan komoditas industri di bidang semen. Produk yang diolah berupa batu gamping. Batu gamping di daerah ini ditambang menggunakan metode tambang terbuka (surface mining) dengan sistemtambang kuari (quarry mine). Lokasi peledakan yang dekat dengan pemukiman warga menjadikan ground vibration menjadi salah satu dampak hasil peledakan yang diperh…
PT Semen Baturaja (Persero) Tbk. adalah perusahaan dengan komoditas industri di bidang semen. Produk yang diolah berupa batu gamping. Batu gamping di daerah ini ditambang menggunakan metode tambang terbuka (surface mining) dengan sistemtambang kuari (quarry mine). Lokasi peledakan yang dekat dengan pemukiman warga menjadikan ground vibration menjadi salah satu dampak hasil peledakan yang diperh…
Coal is one of the economic supports, which is usually used as fuel for PLTUs, the main fuel for the production of steel, cement, chemical and pharmaceutical industries. PT XYZ is a company operating in the mining industry. PT XYZ's reserves are 48,836,214. In this research, the discounted cash flow method is used which takes into account future interest rates, then a sensitivity analysis is ca…