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

Edition

-

ISBN/ISSN

-

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 GEOKIMIA MATERIAL POTENTIALLY ACID FORMING (PAF) DAN NON-ACID FORMIN…

Indonesia is a country rich in natural resources, one of which is coal. The South Sumatra Basin is located in the back arch basin and has several formations containing coal reserves, such as the Muaraenim Formation. This is the reason for the presence of many coal companies, one of which is PT. Gorby Energy in North Musirawas Regency, South Sumatra Province. In this study, a research method was…

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 …

RE-EVALUASI TEKNIS DAN BIAYA KEGIATAN RENCANA PASCA TAMBANG PADA LAHAN BEKAS …

PT. Batubara Bukit Kendi (PT. BBK) is one of the companies that supplies coal with an area of 881.70 hectares (448.37 Ha is Protected Forest Area and 433.33 Ha is Production Forest Area). PT. The BBK mentioned above is a company that uses the open pit mining method (strip mining). This mining operation begins with land clearing activities, stripping top soil and overburden. Mining is carried ou…

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…

KAJIAN PENERAPAN SISTEM FIRST IN FIRST OUT PADA STOCKPILE BATUBARA DI PIT 3 B…

PT Bukit Asam Tbk, as a coal mining company, plays a vital role in national energy supply. One crucial aspect of its operational activities is stockpile management, which serves as a coal storage area. Problems encountered at Pit 3 Banko include the inadequate implementation of the First In First Out (FIFO) system and the stockpile height exceeding the standard. This study aims to analyze the a…

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…

PERENCANAAN TEKNIS SEKUEN PENAMBANGAN SERTA SUMP TEMPORARY DAN PERENCANAAN DI…

PT Duta Bara Utama is a coal mining company with a mining permit covering an area of 1,967 hectares. PT Duta Bara Utama targets 7,150,000 bcm of overburden and 2,000,000 tons of coal in 2025. In 2024, PT Duta Bara Utama produced 1,900,000 tons of coal and increased its production by 2,000,000 tons in 2025. The company uses the open pit mining method with main equipment such as excavators and du…

KAJIAN PENGARUH GEOMETRI TERHADAP FRAGMENTASI DAN BIAYA PELEDAKAN BATU KAPUR …

Blasting activities at PT Semen Padang are carried out to fragment hard rock formations using a blast geometry that typically involves a burden of 3–4 meters, spacing of 3–5 meters, and blast hole depths of up to 11 meters. The explosive used is DABEX 73, a mixture of 70% ANFO and 30% emulsion, produced on-site and mixed using a Mobile Manufacturing Truck (MMT), ensuring both operational ef…

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 BLENDING BATUBARA UNTUK MEMENUHI SPESIFIKASI PERMINTAAN KONSUMEN DI …

PT Putra Muba Coal is a coal mining company located in Musi Banyuasin Regency, South Sumatra Province, with two active mining areas, namely the Abimanyu and Pandu pits. These two pits produce coal with different quality characteristics, such as calorific value, ash content, moisture, and sulfur content, which pose challenges in meeting spot market demand, particularly for shipments of 8,500 ton…

ANALISIS PENGARUH DAYA DUKUNG TANAH TERHADAP PEMILIHAN ALAT MEKANIS PADA PENA…

The selection of mechanical equipment in coal mining operations is heavily influenced by geotechnical conditions, particularly the soil bearing capacity. This capacity must be calculated and compared with the ground pressure exerted by the mechanical equipment. To avoid ground failure or subsidence, the ground pressure must be lower than the soil’s bearing capacity. Soil compaction was assess…

OPTIMASI PIT PENAMBANGAN NIKEL LATERIT DI PT MINERAL ALAM ABADI GROUP SITE BC…

Indonesia is the world’s largest nickel producer with production of 1,6 million metric tons in 2022 (48,48% of global production) and reserves of 17,7 billion tons of ore or 177,8 million tons of metal. Most of the nickel laterite is found in the eastern is spread across Southeast Sulawesi, Central Sulawesi, South Sulawesi, Maluku, North Maluku, Papua, and West Papua. PT Mineral Alam Abadi (M…

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…

ANALISIS ISIAN BAHAN PELEDAK TERHADAP GETARAN TANAH PADA PELEDAKAN DI PIT TSB…

PT Pamapersada Nusantara is one of the contractor companies that handles the work area at PT Bukit Asam Tbk. Blasting activities were carried out in the TSBC pit in the west enim section. The location of the blasting area which is close to the settlement of PT Bukit Asam Tbk employees makes ground vibration one of the impacts of blasting activities that need to be considered. PT Pamapersada Nus…

Tambang untuk Negeri; Sebuah Inovasi Konsep

Edition

I

ISBN/ISSN

978-602-394-503-0

Collation

xix, 400 hlm.; 24 cm

Series Title

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Call Number

338.26 Res t

PERENCANAAN SEQUENCE PENAMBANGAN SHORT TERM BULAN JANUARI TAHUN 2024 DI PT. B…

Mining operations at the site of PT. Bona Sarana Sukses site PT. Muara Alam Sejahtera are located in Merapi West, Lahat District, South Sumatera which has a total active pit area of 526 Ha. In January in PT. Bina Sarana Sukses there was a significant reduction in overburden production targets. In December, the overburden reduction of 2.186.120 BCM and 71.373 Tons for Coal with a December SR of …

EVALUASI PENAMBANGAN BERDASARKAN TARGET PRODUKSI DAN SEKUEN PENAMBANGAN BULAN…

PT. Long Daliq Primacoal, located in Merapi Timur Subdistrict, Lahat Regency, South Sumatra Province, is a subsidiary of the Andamas group which is engaged in providing coal delivery transportation services, coal stockpile as a place for stacking coal, contractors in the mining sector, and heavy equipment rental. PT. Long Daliq Primacoal officially joined as a contractor of PT. Banjarsari Pribu…

RANCANGAN SUMP PADA PENAMBANGAN BATUBARA DI PIT 3 TIMUR BANGKO BARAT PT. BUKI…

Coal mining activities at Pit 3 East Banko Barat PT. Bukit Asam, Tbk uses the surface mining system method. Coal mining with an open system is strongly influenced by weather factors, where weather can have an impact on mining operational activities. Based on field observations, Pit 3 East Banko Barat does not yet have a main sump, causing the mining front to be flooded. On this basis, a main su…