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…

KAJIAN TEKNIS PERENCANAAN DESAIN PELEDAKAN UNTUK MENGURANGI GETARAN TANAH DI …

The impacts of drill and blast activities is ground vibration. A limit of PPV according to SNI is 5 mm/s for buildings with foundations, masonry and cement. The average PPV in this blasting activity is 2 mm/s. The community is complain that level of ground vibration produced was still felt and worried damage the building. So, PT Bukit Asam Tbk has made a regulation of the ground vibration is â‰â€¦

EVALUASI GEOMETRI PELEDAKAN TERHADAP FRAGMENTASI HASIL PELEDAKAN LAPISAN INTE…

PT Pamapersada Nusantara is one of the contractor companies that handles the work area in PT Bukit Asam Tbk. and actively carry out explosive activities to help the mining process. The explosions carried out at the Townsite Basecamp (TSBC) pit are considered to be still not optimal, especially in the bottom area. It is marked by a boulder percentage > 100 cm and the digging time of the Komatsu …

ANALISIS PENGARUH KADAR AIR TERHADAP TEMPERATUR SWABAKAR BATUBARA DI PT KURNI…

Self-burning or spontaneous combustion is the process of burning coal by itself, which begins with self-heating or self-heating that comes from the oxidation of a chemical reaction from the coal itself. This study aims to determine whether water content affects the temperature of coal combustion and also see the behaviour of water content in coal on the resulting coal temperature. This series o…

EVALUASI KINERJA CRUSHING PLANT UNTUK MEREDUKSI UKURAN BATU KAPUR AGAR TERCAP…

PT Semen Baturaja Tbk is engaged in mining limestone, which is the main raw material for cement production. The limestone that has been mined is then reduced in size by a crusher and then transferred to storage by a belt conveyor before processing the product in the form of cement. Limestone Crusher Factory II is a hammer crusher type. In November 2023, Limestone Crusher Factory II targets prod…

ANALISIS KELAYAKAN INVESTASI PENAMBANGAN PASIR SUNGAI MUSI PULOKERTO UNTUK IN…

Geneirally, miost oif thie exisiting faicilities anid infraistructure uise conicrete constiructioin, wheire tihe mixeid mateirial tio miake coincreite iis oine oif thiem usiing saind. Tio prioduce qiualiity reaidy-mixied coincrete foir buiilding coinstructiion, saind quaility thiat meetis Indionesiian natioinal standarids iis reiquired. Theirefiore, ai studiy wias coniducited tio anailyze tihe …

KAJIAN PERANCANGAN LOKASI CHANGE SHIFT UNTUK MEMINIMALISIR ABNORMAL CYCLE MEN…

PT Pama Persada Nusantara is one of the contractor companies at PT Bukit Asam Tbk. who is responsible for managing the MTBU Site which is located in Lahat Regency, South Sumatra with an area of 2,886 Ha and uses conventional methods with a total of 22 fleets divided into 2 work shifts with an effective time of 21.6 hours. Shift changes are carried out at 3 location points (CS 1, CS 2, CS 3) wit…

OPTIMALISASI MANAJEMEN STOCKPILE DALAM UPAYA MEMPERTAHANKAN KUALITAS DAN KUAN…

PT Duta Bara Utama merupakan salah satu perusahaan yang bergerak di bidang pertambangan batubara yang mengelola stockpile di area site penambangannya. Pada awal November, stok batubara yang tersisa di stockpile tercatat sebesar 316.887,14 ton. Jumlah stok yang relatif besar ini disebabkan oleh tercapainya target penjualan sebesar 1,1 juta ton, sesuai dengan Rencana Kerja dan Anggaran Biaya (RKA…

ANALISIS PENGARUH ZAT TERBANG TERHADAP TEMPERATUR SWABAKAR BATUBARA DI PT KUR…

Zat terbang merupakan senyawa selain air yang mudah menguap akibat dari dekomposisi batubara. Zat ini meliputi hidrogen, metana, hidrokarbon cair, nitrogen, sulfur. Zat terbang juga merupakan salah satu dari kegiatan swabakar. Terjadi akibat dari penimbunan yang lama sehingga terjadi swabakar. PT kurnia Alam Investama memiliki swabakar di stockpile akibat dari penimbunan yang lama yang mengakib…

SIMULASI PENAMBAHAN LOKASI CHANGE SHIFT PADA KEGIATAN PENAMBANGAN BATUBARA DA…

Pamapersada adalah salah satu kontraktor terbesar di Indonesia yang mengelola banyak lahan pertambangan salah satunya di PT Bukit Asam tepatnya pada site MTBU yang memiliki luasan IUP sebesar 2.886 Ha dengan jumlah Cadangan sebesar 188.000.000 ton. Salah satu pit yang berada di site MTBU yaitu Town Site Base Camp (TSBC) memiliki 3 change shift untuk HD (CS Taman, CS Endikat, CS Firman [portable…

ANALISIS GEOMETRI JALAN TAMBANG UNTUK MENINGKATKAN KINERJA ALAT ANGKUT DUMP T…

Jalan angkut tambang yang ideal sangat penting untuk meningkatkan kinerja alat angkut. Ketika geometri jalan tidak memenuhi standar, seperti grade yang terlalu tinggi dan lebar yang sempit, serta kondisi permukaan yang buruk, dapat terjadi peningkatan cycle time dan penurunan produktivitas. Di PT Manggala Usaha Manunggal, target produksi overburden pada bulan Februari adalah 234.400,35 bcm, nam…