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ANALISIS STABILISASI DAN PEMANTAUAN LERENG TIMBUNAN BACKFILLING PIT SATU BANK…
PT Bukit Asam (Persero) Tbk., a state-owned coal mining company, operates in the Tanjung Enim area of South Sumatra with a Mining Business Permit (IUP) covering 66,414 hectares. Coal extraction is carried out using an open-pit surface mining method, where overburden is excavated and transported to designated waste dump or backfilling areas. The Tanjung Enim Mining Unit (UPTE) consists of three …
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- xiv, 105 hlm.; ilus.; tab, 29 cm
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- T1893772025
EFEKTIVITAS METODE INJEKSI WASTE WATER TREATMENT PLANT DIBANDING METODE KONVE…
Acid mine drainage is a common issue in coal mining. The acid mine drainage in the collection ponds or sumps must be properly managed to meet existing environmental quality standards. According to the water quality standards in Regulation of the Governor of South Sumatra Number 8 of 2012, the pH limit for acid mine drainage is between 6 and 9, and the TSS (Total Suspended Solids) limit is 300. …
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- xv, 42 hlm.; ilus.; 29 cm
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- T1589892024
PERENCANAAN SEKUEN PENAMBANGAN BATUBARA UNTUK MENINGKATKAN TARGET PRODUKSI ME…
PT Bumi Sekundang Enim Energy has an area of 14,960 ha for coal mining. One of the factors that causes the company to increase its production target in 2024 is because the need for coal is increasing. In the previous year the production target was set at 1,000,000 Metric Tons and it is planned to increase it in 2024 to 2,000,000 Metric Tons. In order to support the achievement of increasing pro…
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- xv, 42 hlm.; ilus.; 29 cm
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- T1591112024
ANALISIS PEMISAHAN TAILING BIJIH TIMAH SISA HASIL PENGOLAHAN DI BIDANG PENGOL…
The tin ore processing process is carried out by separating the concentrate and tailings contained. In its application, there are still many valuable minerals that escape and are wasted through tailings, causing the potential for low-grade tin ore from the rest of the processing process (SHPP). To optimize the processing of tin ore, it is necessary to carry out further processing, one of which …
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- ix, 86 hlm.; ilus.; 29 cm
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- T1590482024
ANALISIS PERUBAHAN PARAMETER COAL QUALITY ANTARA FRONT PENAMBANGAN DAN STOCKP…
Penelitian ini bertujuan untuk mengetahui dan menguji secara empiris pengaruh good corporate governance terhadap kinerja keuangan perusahaan LQ-45. Komponen good corporate governance dalam penelitian ini diukur dengan persentase kepemilikan institusional, kepemilikan manajerial, komisaris independen, dan komite audit. Kinerja keuangan perusahaan LQ-45 diukur dengan Return On Assetss. Data penel…
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- ix, 74 hlm.; ilus.; 29 cm
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- T1518002024
SIMULASI PENAMBAHAN LOKASI CHANGE SHIFT ALAT ANGKUT UNTUK MENINGKATKAN PRODUK…
Optimizing the usage of hauling equiptment is crucial to achieve production targets, one of which is the addition of ideal change shift location. Currently there are three change shift locations positioned 1.500 m to 3.500 m from the mining front, reducing haulers effective time in the field. The purpose of this study is to evaluate the impact of adding change shift locations on productivity us…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1580442024
ANALISIS COST AND BENEFIT RENCANA PEMBETONAN JALAN ANGKUT BATUBARA DI LOKASI …
PT Bukit Asam Tbk (PTBA) in Tanjung Enim, South Sumatra, a mining company uses the surface mining method with dump trucks to transport coal. The condition of the haul road greatly affects the productivity of the equipment, especially during rain which causes slippery and standby time. To improve performance, PTBA maintains the road and creates All Weather Road (AWR) in several segments. In the …
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- x, 52 hlm.; ilus.; 29 cm
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- T1589702024
ANALISIS DAMPAK KENAIKAN TARIF ROYALTI BATUBARA TERHADAP PROFITABILITAS PT BU…
Coal is one of the main energy sectors in Indonesia, playing a crucial role in the country's economic development. The coal industry's contribution comes through a royalty system, which is a major source of government revenue. In 2022, the government raised the coal royalty rate to a range of 4% to 13.5% and adjusted the tariff classes based on calorific quality. Additionally, a progressive roy…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1568192024
ANALISIS KARAKTERISTIK FISIK DAN KIMIA SERTA POTENSI UNSUR LOGAM MONASIT DI T…
The Asian Tin Belt or what is known as the tin belt that crosses Southeast Asia, is more than 3000 km long and consists of several countries, namely Myanmar, Thailand, Malaysia, Singapore and Indonesia. One of the processing processes for minerals is the processing of tin ore. from the tailings known as SHP still contains Rare Earth Metals (LTJ) minerals. The potential for LTJ found in tailings…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1569482024
KAJIAN KEKUATAN TARIK DAN STRUKTUR MIKRO FILAMEN 3D PRINTING POLYETHYLENE TER…
The development of manufacturing technology through 3D printing methods, such as Fused Deposition Modeling (FDM), has revolutionized the industrial paradigm with advantages in efficiency, design flexibility, and production speed. This technology enables the creation of three-dimensional objects with high precision, opening up new opportunities in various industries. Polyethylene terephthalate (…
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- xiv, 58 hlm.; ilus.; 29 cm
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- T1560502024
EVALUASI KONDISI AKTUAL TERHADAP RENCANA SEKUEN PENAMBANGAN BATUBARA DI PIT M…
PT. Bukit Asam Tbk adalah salah satu perusahaan tambang di Indonesia yang beroperasi dalam bidang penambangan dan penjualan batubara. Kegiatan penambangan batubara di PT Bukit Asam Tbk direncanakan dalam sekuen penambangan bulanan. Kondisi aktual di lapangan menunjukkan terjadi ketidaksesuaian dan ketidaktercapaian terhadap rencana sekuen penambangan. Tujuan penelitian ini adalah untuk mengetah…
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- xvi, 90 hlm.; ilus.; 29 cm
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- T1567702024
OPTIMASI KINERJA POMPA ARTIFICIAL LIFT HYDRAULIC PUMPING UNIT (HPU) PADA SUMU…
Penurunan tekanan reservoir pada sumur minyak menyebabkan laju produksi menurun hingga tidak mampu lagi mengalir secara alami. Kondisi ini menuntut penerapan metode artificial lift untuk mempertahankan keberlangsungan produksi. Salah satu teknologi yang digunakan adalah Hydraulic Pumping Unit (HPU), yang memiliki keunggulan fleksibilitas pemasangan dan kemampuan meningkatkan produksi pada sumur…
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- ix, 61 hlm.; ilus.; tab, 29 cm
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- T1893512025
EVALUASI AVAILABILITY AND UTILIZATION PERALATAN PEMUATAN OVERBURDEN PADA BULA…
Excavators are one of the main loading equipment used in overburden mining activities. The effectiveness of excavator operations is influenced by the level of Physical Availability (PA), with a minimum standard of 90% according to KEPMEN ESDM No. 1827 K/30/MEM/2018. However, in practice, this standard is often not achieved. This study was conducted at Pit LS, PT Tata Bara Utama, in February 202…
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- xvi, 130 hlm.; ilus.; tab, 29 cm
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- T1893312025
ANALISIS BIAYA RENCANA REKLAMASI PERHEKTAR DI PT GENTALA BUMI NUSANTARA JOB S…
Based on the Decree of the Minister of Energy and Mineral Resources of the Republic of Indonesia Number 1827 K/30 / MEM / 2018 concerning Guidelines for the Implementation of Reclamation and Post-mining and Post-operation in Mineral and Coal Mining Business Activities requires mining companies to carry out reclamation and post-mining activities on the mining area being cultivated, as a guarante…
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- xv, 110 hlm.; ilus.; tab, 29 cm
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- T1893302025
ANALISIS GEOMETRI STOCKPILE DALAM UPAYA PENCEGAHAN DAN PENANGANAN POTENSI TER…
PT. Batu Hitam Jaya is a coal mining company operating in Batanghari Regency, Jambi Province. This research aims to analyze the influence of stockpile geometry on the potential for spontaneous combustion of coal in the company's storage area. The research methods include measuring pile dimensions such as height, slope angle, and pile shape, internal pile temperature, wind direction and speed, a…
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- xvii, 104 hlm.; ilus.; tab, 29 cm
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- T1892992025
PERENCANAAN DESAIN LERENG TIMBUNAN PADA DESAIN LIFE OF MINE (LOM) DI PIT X PT…
PT Bukit Asam Tbk, Ombilin Mining Unit, plans to resume mining activities in the Langkok area, Sawahlunto, West Sumatra. At the mine development stage, it is necessary to prepare a safe and efficient slope dump design as part of the Life of Mine (LOM) plan. A single-slope simulation was carried out to analyze slope geometry under the safest and most optimal conditions based on the calculated Sa…
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- xv, 94 hlm.; ilus.; tab, 29 cm
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- T1893422025
KAJIAN AWAL GEOTEKNIK UNTUK REKOMENDASI RANCANGAN GEOMETRI LERENG PIT DI PT G…
PT Bakti Nugraha Yuda is an energy and coal mining company whose production operations operate in Ogan Komering Ulu Regency, South Sumatra Province. The mining activity plan will be carried out using the strip mine method. The angle of the slope is planned to have a depth of 65 meters. The slope in the mining activity has the potential to be deformed which can cause landslides if the slope geom…
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- xiii, 69 hlm.; ilus.; 29 cm
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- T1567532024
OPTIMASI RANCANGAN DESAIN PIT BERDASARKAN BATAS WILAYAH KERJA DENGAN MEMPERHI…
Pit design optimization is a crucial stage in mining operations as it determines the final pit limit that is technically and economically optimal. This study was conducted at PT Ulima Nitra, Tbk., Wiraduta Sejahtera Langgeng Site, Pit Block 2 DUE, Muara Enim, South Sumatra. The aim of this research is to design an optimized pit by considering the mining boundary and coal contract price to maxim…
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- xvii, 120 hlm.; ilus.; tab, 29 cm
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- T1886432025
ANALISIS STABILITAS LERENG HIGHWALL DENGAN METODE SPENCER DI PIT KUNGKILAN UT…
Slope stability is a crucial aspect that must be addressed to ensure the operational safety and sustainability of a mining project. A landslide that occurred in mid-2024 at Pit Kungkilan Utara of PT Bumi Merapi Energi caused significant negative impacts, such as operational disruption and increased safety risks for workers. As a preventive measure, a slope analysis was conducted on the pit adja…
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- xv, 74 hlm.; ilus.; tab, 29 cm
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- T1887562025
ANALISIS GEOMETRI PELEDAKAN UNTUK MENDAPATKAN HASIL FRAGMENTASI DAN DIGGING T…
PT Semen Padang (Persero) is one of the cement producers in Indonesia and the oldest cement company in the country. The rock fragmentation process in the mining activities is carried out through drilling and blasting methods, conducted by the blasting service of PT Dahana (Persero). The main problem encountered in the field is the inconsistency of fragmentation results, where several blasting o…
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- xvii, 101 hlm.; ilus.; tab, 29 cm
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- T1888162025
PERENCANAAN SEKUEN DAN PENJADWALAN PENAMBANGAN PADA TAHUN 2027 DI PIT UTARA P…
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…
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- xvi, 88 hlm.; ilus.; tab, 29 cm
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- T1886192025
EFEKTIVITAS PENGGUNAAN SATU UNIT ALAT BOR SANDVIK UNTUK OPTIMASI PENYEDIAAN L…
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…
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- xvi, 58 hlm.; ilus.; tab, 29 cm
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- T1816602025
ANALISIS SENSITIVITAS KELAYAKAN PROYEK TAMBANG SILIKA PADA PT MINEVESTING RES…
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). …
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- xvi, 87 hlm.; ilus.; tab, 29 cm
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- T1885292025
TECHNICAL PLANNING FOR COAL MINING SEQUENCE IN 2024 WITH CONSTRAINT OF GEOTEC…
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…
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- xv, 61 hlm.; ilus.; tab, 29 cm
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- T1563812024
EVALUASI KONDISI JALAN TAMBANG DALAM MENUNJANG PRODUKTIVITAS ALAT ANGKUT BATU…
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…
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- xv, 35 hlm.; ilus.; tab, 29 cm
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- T1563382024
ANALISIS PENGARUH VARIASI IN HOLE DELAY TERHADAP DAMPAK GROUND VIBRATION DALA…
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…
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- xvii, 101 hlm.; ilus.; tab, 29 cm
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- T1883442025
OPTIMASI PIT PENAMBANGAN NIKEL LATERIT PADA HILL LBS-02 BLOK WEST SOROWAKO PT…
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…
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- xvi, 66 hlm.; ilus.; tab, 29 cm
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- T1559542024
ANALISIS KESTABILAN LERENG LOWWALL DENGAN MENGGUNAKAN METODE ORDINARY/FELLENI…
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…
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- xvi, 84 hlm.; ilus.; tab, 29 cm
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- T1885502025
ANALISIS PERENCANAAN TEKNIS SEQUENCE DESAIN PIT 2 BANKO BARAT DALAM MENCAPAI …
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…
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- xiv, 58 hlm.; ilus.; 29 cm
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- T1581742024
PERENCANAAN TEKNIS SEQUENCE PENAMBANGAN BATUBARA DAN OVERBURDEN KUARTAL II TA…
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…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1581792024
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