OPTIMASI GEOMETRI PELEDAKAN BERDASARKAN HASIL DISTRIBUSI FRAGMENTASI DI PIT S…

Pembongkaran material pada pit Suban Jeriji Selatan (SJS) Banko Tengah PT Bukit Asam Tbk menggunakan metode pemboran dan peledakan dikarenakan beberapa lokasi pada pit ini tersusun atas material keras yang jika dilakukan pemberaian secara langsung akan mengakibatkan kurang efektifnya pekerjaan penambangan. Peledakan yang dilakukan di pit SJS dianggap masih belum optimal yang ditandai dengan per…

OPTIMALISASI GEOMETRI LERENG LOW WALL TAMBANG BATU GAMPING UNTUK MENINGKATKAN…

Limestone is one of the mined materials commonly used in the cement industry. The mining method employed for this material is one of the open-pit mining methods. Open-pit mining activities will create slope dimensions, and the gentle slope dimensions lead to suboptimal mining. PT. Semen Baturaja Tbk. has slope geometry in the low wall area that is gentle, resulting in a high safety factor in th…

PERENCANAAN TEKNIS SEQUENCE DAN SCHEDULING PENAMBANGAN BATUBARA PER KUARTAL T…

In 2025, PT. Duta Bara Utama targets coal production of 2.250.000 tons of coal with SR that must less than 3,5. The actual production in January 2025 was 112.480,03 tons of coal and 230.486,10 BCM of overburden. . The out pit dump disposal areas, namely the northern and southern disposals in 2025, cannot accommodate the planned overburden volume, so dumping will be done in the in pit dump. Plan…

Kesehatan dan Keselamatan Kerja Proyek Tambang

Edition

-

ISBN/ISSN

978-623-023-957-1

Collation

xvi, 113 hlm.; 23 cm

Series Title

-

Call Number

622.8 Naz K

ANALISIS PENGARUH PARAMETER GEOTEKNIK TERHADAP STRATEGI PENGGALIAN OVERBURDEN…

The methods of excavation currently performed at the PT. MME are free digging and ripping. Technical studies carried out to determine whether the overburden material excavated is actually free digging and ripping, according to the characteristics of the overburden mass and the digging force capabilities of excavator have not been investigated. This study is based on observation in the field, wh…

PERENCANAAN RANCANGAN SUMP DAN KAPASITAS POMPA PADA PENAMBANGAN BATUBARA PT U…

Coal mining activities at PT Ulima Nitra Site BKL use an open-pit mining method (surface mining). The open-pit mining method forms a large depression, causing water entering the pit to potentially accumulate and create ponding if not properly managed, as the water comes from runoff flowing into the pit. Based on field observations, the main sump at PT Ulima Nitra Site BKL, with a volume of 34,9…

PERENCANAAN DAN PERANCANGAN SEQUENCE PENAMBANGAN BATUBARA PERIODE 2024-2028 U…

PT Pusaka Mitra Artha is a coal mining company administratively located in Gunung Tuo village, Mandiangin district, Sarolangun City, Jambi Province. PT Pusaka Mitra Artha plans to mine 700,000 tons of coal per year. So it is necessary to plan for mining design, overburden backfill design, and planning the needs of loading and hauling equipment per year to achieve the planning target. This study…

ANALISIS SENTIMEN BERBASIS ASPEK TERHADAP EKSPLOITASI TAMBANG NIKEL DI RAJA A…

Nickel mining in Raja Ampat has triggered significant public reaction, particularly on social media, due to its environmental and social impacts. However, public opinion on this issue has not been systematically analyzed. This study aims to examine public sentiment toward this issue using the Aspect-Based Sentiment Analysis (ABSA) approach with four classification algorithms, Support Vector Mac…

ANALISIS GEOMETRI JALAN UNTUK MENINGKATKAN PRODUKTIVITAS ALAT ANGKUT GUNA MEN…

Geometri jalan adalah faktor utama yang erat kaitannya dengan aktivitas alat angkut, jika geometri jalan ini masih tidak sesuai dengan standarnya dan ditambah dengan kondisi permukaan yang juga kurang baik, dapat berakibat pada peningkatan cycle time sehingga menyebabkan produktivitas dari alat angkutnya menjadi menurun. Oleh karena itu, perlu untuk melakukan analisis geometri jalan agar dapat …

ANALISIS PENENTUAN ISIAN BAHAN PELEDAK MAKSIMUM DAN DELAY PADA BLASTING UNTUK…

PT Thiess Contractors Indonesia is a multinational company that provides contracting services for coal mining. In the process of removing overburden using blasting techniques, it certainly produces waste energy, one of which is ground vibration. The results of ground vibration measurements in November-December 2023 exceeded 2 mm/second, exceeding the threshold of Kep-49/MENLH/11/1996. This has …

PERENCANAAN TEKNIS REKLAMASI TAHUN 2025 DI LAHAN BEKAS TAMBANG BATUBARA PIT L…

Coal mining activities may cause significant landform changes and environmental degradation; therefore, a well-planned reclamation program in accordance with prevailing regulations is required. This study aims to develop a technical reclamation plan for the year 2025 at the former coal mining area of Pit Lawai, PT Bumi Gema Gempita, Lahat Regency, South Sumatra Province. The research methods in…

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 …

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. …

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…

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 …

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…

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…

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 …

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…

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…

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 (…

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…

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…

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…

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…

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…

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…

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…

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…

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…