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…

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 …

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 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…

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…

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…

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…

ANALISIS PRODUKTIVITAS BACKHOE LONG ARM CAT 320 GC DAN DUMP TRUCK HINO FM 260…

Pond maintenance activities in the settling pond in the PT Kaltim Prima Coal open pit area are an important part of the mine water management system to prevent excessive sedimentation and disruption of mine operations. This study aims to analyze the productivity of heavy equipment used in the work, namely CAT 320 GC long arm backhoe excavator and HINO FM 260 JD dump truck, in Murung and Selanti…

PENGARUH GEOMETRI JALAN ANGKUT TERHADAP PRODUKTIVITAS ALAT ANGKUT PADA PENAMB…

This study aims to analyze the effect of haul road geometry on the productivity of hauling equipment in coal mining operations at PT Bhumi Sriwijaya Perdana Coal, Musi Banyuasin Regency, South Sumatera. The evaluated parameters include road width, longitudinal grade, cross slope, superelevation, and curve radius, which were compared with the standards of Ministerial Decree of Energy and Mineral…

OPTIMASI PRODUKSI BARGE LOADING CONVEYOR DALAM PEMUATAN BATUBARA DI PT PUTRA …

PT Putra Muba Coal is a coal mining company that utilizes a Barge Loading Conveyor (BLC) system for loading coal from the stockpile to the barge. In March 2025, the company set a production target of 108,500 tons/month or a daily target of 3,500 tons. However, actual production has not consistently met this target. This study aims to analyze BLC productivity, identify key obstacles hindering sm…

ANALISIS KESTABILAN LERENG SIDEWALL MENGGUNAKAN METODE BISHOP PADA PIT B2 TAM…

Penelitian ini dilakukan di PT Batu Hitam Jaya, sebuah tambang batubara terbuka di Kabupaten Batanghari, Jambi. Pada awal Februari 2025, terjadi kelongsoran pada bench di bawah jalan dengan lebar 16 meter, tinggi 5 meter, dan sudut kemiringan 38° yang juga difungsikan sebagai jalan menuju disposal. Kondisi ini menimbulkan gangguan operasional dan meningkatkan risiko keselamatan, sehingga diper…

ANALISIS KEBUTUHAN KAPUR TOHOR GUNA MEMENUHI pH BAKU MUTU LINGKUNGAN AIR ASAM…

Coal mining activities at the northern pit of PT Banyan Koalindo Lestari utilize an open-pit mining system (surface mining). This study analyses the requirement for quicklime (CaO) in neutralizing acid mine drainage (AMD) in the Sedimentation Pond N1 at the northern pit of PT Banyan Koalindo Lestari, Musi Rawas Utara, South Sumatra. Acid mine drainage, formed through the oxidation of sulphide m…

KAJIAN BLENDING BATUBARA DALAM RENCANA PEMENUHAN MARKET BRAND BULAN MARET PT …

Batubara merupakan salah satu sumber energi utama yang digunakan di berbagai negara dan sering diperdagangkan guna memenuhi kebutuhan energi global. Indonesia sebagai salah satu negara penghasil batubara memiliki peran penting dalam memenuhi permintaan tersebut salah satunya melalui PT Bukit Asam Tbk yang memproduksi dan mengekspor batubara dalam berbagai market brand. Penelitian ini bertujuan …

ANALISIS PENGARUH PENGGUNAAN AIR DECK TERHADAP FRAGMENTASI HASIL PELEDAKAN, G…

Kegiatan peledakan pada PT MTN di pit E Utara bertujuan untuk mengupas lapisan tanah penutup batubara overburden ataupun interburden. Hal ini dilakukan agar mempermudah alat gali muat untuk mengupas lapisan tanah penutup tersebut dalam mencapai target produksi. Kegiatan peledakan yang dilakukan di PT MTN terdiri dari beberapa tahapan, seperti persiapan pengeboran, kegiatan pengeboran, kegiatan …

EKSTERNALITAS PT. DUTA ALAM SUMATERA (DAS) TERHADAP KONDISI SOSIAL EKONOMI MA…

This research examines the externalities of the existence of PT. Duta Alam Sumatra on the socio-economic conditions of the community in Payo Village, West Merapi District, Lahat Regency. This research aims to determine the socio-economic conditions of the community before coal mining and the externalities caused by the coal mining activities of PT. Duta Alam Sumatera (DAS) in Payo Village. The …

ANALISIS RISIKO BAHAYA PADA PROSES PENGANGKUTAN BATUBARA MENGGUNAKAN METODE H…

The coal transportation process at PT Putra Muba Coal poses a high risk of workplace accidents, primarily due to inadequate mining road conditions, operator fatigue, and insufficient compliance with safety procedures. This study aims to identify potential hazards, assess risk levels, and evaluate the effectiveness of risk control measures using the HIRARC method. The findings reveal that out of…

PERANCANGAN DESIGN PIT 7 PERIODE Q2 TAHUN 2025 PT. VICTOR DUA TIGA MEGA KABUP…

Edition

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xv, 96 hlm.; ilus.; tab.; 29 cm.

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T1852932025

EVALUASI TEKNIS ALAT GALI MUAT DAN ALAT ANGKUT UNTUK MENCAPAI TARGET PRODUKSI…

PT Bukit Asam, Tbk is a state-owned company in the coal mining industry, located in Tanjung Enim, South Sumatra. Mining is conducted through open pit mining methods, covering the areas of TAL, MTB, Banko Barat, and Banko Tengah. Despite having strong coal resources and infrastructure, PT Bukit Asam often struggled to meet production targets. Factors affecting the productivity of loading and hau…

ANALISIS BLENDING BATUBARA UNTUK MEMENUHI TARGET MARKET BRAND BA-50 PT BUKIT …

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…

EVALUASI ARAH KEMAJUAN TAMBANG BATUBARA BERDASARKAN PENGAMATAN SURVEI TOPOGRA…

The direction of mining progress at PT Multi Service Mining is horizontal advancement, meaning that the coal seam is mined in the direction of the coal seam continuity in the sequence. Measurement of mining progress, or what can be called weekly progress at PT Multi Service Mining, is carried out weekly using a survey method using a total station to monitor mining progress. Later, adjustments w…

ANALISIS PENGARUH KARAKTERISTIK MATERIAL TERHADAP PRODUKTIVITAS BACKHOE PADA …

The achievement of productivity in overburden removal activities in coal mining is greatly influenced by the productivity of mechanical equipment, one of which is the excavator. The factors that contribute to productivity are the characteristics of the overburden material to be stripped. This study aims to analyze the characteristics of overburden material in two different fleets and analyze it…

STUDI GASIFIKASI BATUBARA MENGGUNAKAN GASIFIER UNGGUN TETAP ALIRAN KEATAS

Pemanfaatan batubara merupakan salah satu sumber daya energi yang paling siap mengantikan peranan minyak bumi, mengingat sumber daya batubara Indonesia cukup melimpah 57,8 milyar ton (2005)™ dengan pengusahaan handal, harga relatif murah dan stabil yang ditunjang oleh ketersediaan konversi batubara (gasifikasi) yang telah terbukti keandalannya secara teknis menghasilkan gas atau minyak sintet…

ESTIMASI SUMBERDAYA DAN PEMODELAN GEOMETRI BATUBARA DAERAH PIT 3 TIMUR, BANKO…

The South Sumatra Basin, precisely located in the back arc basin, has formations that contain coal, including the Muara Enim Formation, Airbenakat Formation and Talang Akar Formation. One of them is PT Bukit Asam Tbk, Muara Enim Regency, South Sumatra which has a coal mining site. The method used in this research is the stratigraphic correlation method, where this method can help in knowing the…

ANALISIS BLENDING BATUBARA UNTUK MEMENUHI PERMINTAAN MARKET BRAND BA-48 PERIO…

Blending batubara adalah pencampuran dua atau lebih jenis batubara dengan kualitas berbeda untuk menghasilkan suatu kualitas batubara yang sesuai dengan target yang akan dicapai. Proses blending pada penelitian ini menggunakan 3 jenis batubara mine brand yaitu MT-49, BB-51, dan BTB-47 dengan metode blending conveyor per conveyor dan menggunakan pola curahan layered stockpiling. Target produksi …

ANALISIS MANAJEMEN STOCKPILE DALAM UPAYA MENCEGAH TERJADINYA POTENSI SWABAKAR…

his study aims to analyze stockpile management systems to prevent spontaneous combustion of coal at PT Bumi Bara Makmur Mandiri Jambi. Spontaneous combustion is a critical issue that can lead to material loss, reduced coal quality, and pose environmental and safety risks. The research employs a descriptive qualitative approach through field observations, literature review, and analysis of prima…

KAJIAN TEKNIS DAN EKONOMIS RENCANA PEMBERAIAN OVERBURDEN MENGGUNAKAN RIPPER K…

The research location is a coal company located in Merapi Barat District, Lahat Regency, South Sumatra Province. Stripping of PT Bumi Merapi Energi's overburden experienced a problem with not achieving the target, because excavator productivity was not optimal. Material hardness is a major factor in high digging time which causes low excavator productivity. The ripping method will be applied to…

EVALUASI METODE RIPPING TERHADAP FRAGMANTASI BATUBARA UNTUK MENINGKATKAN KINE…

PT. Pamapersada Nusantara merupakan perusahaan kontraktor yang bergerak di bidang pertambangan. Kegiatan penambangan dilakukan dengan metode tambang terbuka. Salah satu cara pembongkaran batubara pada tambang terbuka adalah dengan kegiatan ripping. Bulldozer Komatsu D 375 A digunakan untuk membantu memberaikan lapisan material yang dapat memudahkan excavator backhoe Komatsu PC 400 LC melakukan …

ANALISIS PERUBAHAN NILAI PARAMETER KANDUNGAN AIR TOTAL, KADAR ABU, DAN NILAI …

Coal which have been exploited at Lahat then will be distributed to Kertapati Port through Train Loading Station (TLS) that is located in Sukacinta, Lahat, supported by PT. Kereta Api Logistik (KALog). The coal transport process to Kertapati is using a train with the volume 50 metric ton/flat carriage. The coal which is delivered from Sukacinta stockpile to Kertapati stockpile often experienced…

EVALUASI REALISASI FLEET PRODUKSI BATUBARA TERHADAP RENCANA KERJA UNTUK MENCA…

PT. Bukit Asam (Persero), Tbk. Tanjung Enim merupakan suatu perusahaan BUMN yang bergerak di bidang penambangan batubara. Metode penambangan di Pit 1 Banko Barat adalah sistem tambang terbuka dengan metode strip mining serta dengan mengkombinasikan excavator dan truck dalam kegiatan penggalian dan pengangkutan batubaranya oleh kontraktor PT. Satria Bahana Sarana (SBS). PT Bukit Asam (Persero), …