ANALISIS KESTABILAN LERENG DAN RANCANGAN SALURAN TERBUKA PADA AREA OLD DUMP P…

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…

ANALISIS PERBANDINGAN GEOMETRI PELEDAKAN TERHADAP HASIL FRAGMENTASI PELEDAKAN…

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…

ANALISIS NILAI POWDER FACTOR TERHADAP FRAGMENTASI HASIL PELEDAKAN PADA PT SEM…

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…

ANALISIS PENGARUH ISIAN BAHAN PELEDAK TERHADAP TINGKAT GETARAN TANAH DI PT SE…

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 DESIGN CASING PADA SUMUR KG-P3 DI LAPANGAN PRABUMULIH PT PERTAMINA H…

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…

ANALISIS PENGARUH GEOMETRI PELEDAKAN TERHADAP FRAGMENTASI HASIL PELEDAKAN DAN…

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, …

ANALISIS TINGKAT KEBERHASILAN PENATAGUNAAN LAHAN DAN REALISASI REKLAMASI DI I…

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…

KORELASI ANTARA LIFETIME PERALATAN DAN PHYSICAL AVAILABILITY ALAT PRODUKSI BA…

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…

PERANCANGAN INPIT DUMP PIT 5 PERIODE Q2 TAHUN 2025 PT VICTOR DUA TIGA MEGA KA…

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…

EVALUASI PRODUKSI MINYAK DAN GAS DENGAN MENGGUNAKAN ELECTRIC SUBMERSIBLE PUMP…

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…

ANALISIS KESTABILAN OVERALL SLOPE LOW WALL AKTUAL DAN DESAIN RENCANA ANNUAL 2…

The open-pit mining system is used to extract thick coal seams and is carried out in stages using benches. This method is important due to its efficiency in exploiting large-volume resources. However, the low wall slope at PT. Banyan Koalindo Lestari, particularly in the North Pit, shows potential instability due to ongoing mining activities and varying geological conditions. To address this is…

OPTIMASI RANCANGAN DESAIN PIT 2 BANKO BARAT BERDASARKAN BATAS WILAYAH KERJA D…

Fluctuations in coal prices pose a challenge for companies in optimizing the economic value of mining operations. In response, PT Bukit Asam Tbk has proposed two new boundaries for the design of a new pit in Pit 2 Banko. This study aims to design a new pit based on the proposed boundaries, plan the forecast of excavation and hauling equipment to determine the annual production until the end of …

KAJIAN KESESUAIAN PERHITUNGAN VOLUME OVERBURDEN ANTARA JOINT SURVEY DAN TRUCK…

PT Multi Service Mining is one of PT Gorby Energy's contractors in the coal mining sector located in North Musi Rawas Regency, South Sumatra Province, which uses the strip mining method in coal mining activities. In calculating the volume of overburden, two methods are used, namely joint survey and truck count. Joint survey is a data collection method in the mining industry used in creating top…

ANALISIS KEMUNGKINAN TERJADINYA SWABAKAR DI STOCKPILE PT. BUKIT ASAM, TBK UNI…

PT. Bukit Asam, Tbk is one of the mining companies engaged in coal. Location of PT. Bukit Asam, Tbk is located in Tanjung Enim and has a stockpile area, one of which is at Kertapati Pier, Palembang City. The coal contained in the stockpile is the coal transported from Tanjung Enim before being sent to buyers via barges. Placement of coal in the stockpile continues to occur causing the coal that…

PERENCANAAN DAN PENJADWALAN PENAMBANGAN AREA SHARING WALL DIANTARA DUA IUP DA…

PT Gorby Putra Utama is a company engaged in the coal mining industry. The current problem experienced by PT Gorby Putra Utama is that it is not possible to maximize coal mining in the sidewall area in the GE pit, because the GE pit sidewall area is directly adjacent to the IUP of PT Banyan Koalindo Lestari, so it is necessary to carry out reserve conservation activities in the area. The chosen…

KAJIAN TEKNIS RENCANA PASCATAMBANG DI PT UNGGUL NUSANTARA KABUPATEN BARITO UT…

PT Unggul Nusantara adalah salah satu perusahaan yang bergerak di bidang pertambangan batubara di Kabupaten Barito Utara, Kalimantan Tengah. PT Unggul Nusantara akan merencanakan kegiatan pertambangan batubara dengan menggunakan metode penambangan terbuka (strip mining). PT Unggul Nusantara sebelumnya telah melaksanakan kewajiban kegiatan pascatambang sesuai dokumen rencana pascatambang tahun 2…

PENGARUH NILAI GEOLOGICAL STRENGTH INDEX (GSI) TERHADAP FAKTOR KEAMANAN LEREN…

Before opening a mine, it is necessary to carry out a mine feasibility study first, one of which is a geotechnical study by carrying out geotechnical drilling. However, the data on rock mechanical properties (cohesion and internal shear angles) obtained is not yet up to date due to core loss occurring at a certain depth, so it is necessary to interpret the results of the Geological Strength Ind…

STUDI SENSITIVITAS BATAS RESIKO KELAYAKAN EKONOMI PROYEK PENAMBANGAN EMAS DI …

Sensitivity studies on investment capital, operating costs, and commodity prices will provide clearer insights related to the risk limits of the economic feasibility of mining projects. Through this research, it can be used to increase knowledge and understanding of the sensitivity of investment capital, operational costs, and commodity prices to net present value as an effort to determine the …

RANCANGAN SEQUENCE PENAMBANGAN BATUBARA TAHUN 2025 UNTUK MEMENUHI TARGET PROD…

PT Langgeng Daya Agrindo (LDA) is a mining contractor company operating in the IUP of PT Budi Gema Gempita located in Muara Lawai Village, Merapi Timur Sub-district, Lahat Regency, South Sumatra Province. PT Budi Gempa Gempita has an IUP area of 1524 Ha. The company has set a coal mining production target of 3.000.000 tons with a stripping ratio of 5 for the year 2025. To achieve the production…

PERENCANAAN TEKNIS SEQUENCE PENAMBANGAN BATUBARA DENGAN TARGET 750.000 TON PA…

PT Triaryani is a company engaged in mining, which is located in North Musirawas Regency, South Sumatra Province. The area of Mining Business License (IUP) owned by Pt. Triaryani is 2134 ha. PT Triaryani experienced a target non achievement in the first quarter of 2024. so it is necessary to re-plan in order to support the achievement of production in 2024. Planning the mining sequence in the p…

ANALISIS REKONSILIASI PENAMBANGAN BERDASARKAN MINE PLAN DESIGN DAN TARGET PRO…

PT Duta Bara Utama is one of the companies engaged in coal mining and is one of several private companies that have the opportunity and license in Muara Enim Regency. The actual in the field shows non-achievement and discrepancies between the situation in the field and the planned mining plan. So it is necessary to analyze the causes of non achievement and discrepancies based on the planned pro…

ANALISIS GEOMETRI DAN DAYA DUKUNG TANAH JALAN ANGKUT TAMBANG TERHADAP KECEPAT…

An ideal mining haul road should have an efficient travel time and speed, significantly impacting coal production. Achieving effective speed requires an optimal haul road geometry and soil bearing capacity that can support the haul vehicles, preventing road damage. PT Mustika Indah Permai has a haul road connecting WB 1 to the provincial road over a distance of 7 kilometers. This haul road has …

ANALISIS PENINGKATAN KADAR DAN RECOVERY MINERAL ILMENIT (FeTiO3) PADA PENGOLA…

TIN PROCESSING AT PT TIMAH TBK PRODUCES HUGE AMOUNTS OF TAILINGS. THE TAILINGS STILL CONTAIN MANY VALUABLE MINERALS, ONE OF WHICH IS THE MINERAL ILMENITE (FETIO3). ILMENITE MINERAL HAS GREAT POTENTIAL FOR VARIOUS HIGH-PERFORMANCE EQUIPMENT PURPOSES. HOWEVER, IN INDONESIA, THE MINERAL ILMENITE IS ONLY PRODUCED AS A BY-PRODUCT. BASED ON ITS MAGNETIC PROPERTIES, TO OPTIMIZE THE RECOVERY OF ILMENIT…

STUDI OPTIMASI PIT DAN ESTIMASI CADANGAN BIJIH EMAS DI PT MINEVESTING RESOURC…

Edition

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ISBN/ISSN

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Collation

xvii, 49 hlm.; ilus.; tab, 29 cm.

Series Title

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Call Number

T1553542024

PERANCANGAN TEKNIS SEQUENCE DAN SISTEM DEWATERING UNTUK MENCAPAI TARGET PRODU…

PT Duta Bara Utama is a mining company with a Mining Business License Area of 1,967 hectares. The company targets production of 2 million tons of coal with SR 3 by 2024. Pit and disposal design, unit requirement planning, and dewatering system planning are required to achieve the production target in 2024. Minescape 5.7 software will be a tool to produce pit and disposal sequence designs, while…

ANALISIS KESESUAIAN RELATIVE BULK STRENGTH MENGGUNAKAN BAHAN PELEDAK LOW DENS…

PT Kaltim Prima Coal uses blasting method in the interburden removal process. Blasting is declared successful if the fragmentation and digging rate produced meet the reference standards, which is related to the use of powder factor. To reduce the powder factor but still produce optimal blasting, PT Kaltim Prima Coal applies the use of low density explosives that can be varied and adjusted in en…

ANALISIS HUBUNGAN DAYA DUKUNG TANAH TERHADAP PEMILIHAN ALAT MEKANIS DAN REKOM…

PT Bukit Asam took the step of dismantling the North TAL ex-disposal with the aim of optimizing the recovery of the remaining reserves underneath. The mining process requires facilities in the form of haul roads to support mining, processing, and sales activities. The condition of the haul road planning area in the ex-disposal area is overburden stockpile material. Planning the structure of the…

AKTIVITAS PERTAMBANGAN DAN PRODUKTIVITAS ALAT GALI MUAT DAN ALAT ANGKUT PADA …

PT Trimata Benua is one of the coal mining companies located in Bentayan Village, Sungai Lilin District, Banyuasin Regency, South Sumatra. The mining system at PT Trimata Benua is carried out using an open-pit mining system employing surface mining methods managed by its contracting companies, namely PT Glora Makara Teknik (GMT) and Ombilin Fusi Nusantara (OFN). The stages of mining activities …

OPTIMALISASI MANAGEMENT FLEET ALAT GALI MUAT DAN ALAT ANGKUT MENGGUNAKAN SOFT…

Pencapaian produksi batubara harian seringkali tidak mencapai target, kebutuhan batubara yang semakin meningkat menyebabkan tingkat produktivitas batubara juga semakin tinggi, maka dari itu kebutuhan alat gali muat dan alat angkut serta efisiensi alat harus dipertimbangkan. Target produksi harian batubara pada bulan januari di PT. Putra Muba Coal diketahui mencapai 2.974,27 ton/hari, dengan akt…

ANALISIS KESTABILAN LERENG TAMBANG BERDASARKAN PARAMETER WATER CONTENT UNTUK …

Slope stability is an important factor in the desirability of the mining process,a stable slope will reduce the potential for losses due to landslides.It is known that changes in water content play an important role in stability because they can affect the value of soil shear strength parameters and affect slope balance.This research aims to analyze the effect of water content on cohesion and i…