PERENCANAAN SEQUENCE PENAMBANGAN BATUBARA UNTUK MEMENUHI TARGET PRODUKSI 1.85…

PT Putra Muba Coal (PMC) is located in Sungai Lilin District, Musi Banyuasin Regency. PT PMC set a coal production target of 3 semesters of 1850,000 tons. To meet the production target, PT PMC plans to mine the Abimanyu pit, so a scheduled, safe, and economical pit design plan is needed and can support the achievement of the planned production target. The maximum value of the stripping ratio is…

REKONSILIASI PENAMBANGAN BERDASARKAN MINE PLAN DESIGN DAN TARGET PRODUKSI DI …

PT. Bukit Asam Tbk is one of the mining companies in Indonesia, which is engaged in the mining and sale of coal commodities. Coal mining activities at PT Bukit Asam Tbk are designed in monthly mining sequences. The reality on the ground shows that there is a discrepancy between the actual situation on the ground and the mining plan. This study aims to determine the achievement of production bas…

ANALISIS KONSOLIDASI STOCKPILE LOKASI PIT X BANGKO TENGAH PT BUKIT ASAM TBK. …

Coal mining companies have a place to accommodate the results of temporary economic minerals for a long time and then carry out marketing or the stockpile area. Coal hoarding for a long time will experience land subsidence or settlement, resulting in the reduced economic value of coal. Settlement due to loading requires consolidation analysis. The consolidation process shrinks the volume or voi…

OPTIMALISASI CADANGAN BATUBARA SEAM P PADA DESAIN PIT PQRT SITE LATI MINE OPE…

The PQRT pit is one of the pits in Site Lati which is the largest contributor to PT Berau Coal's coal production which in 2022 will reach 7,856,452 tons. Due to market demand in meeting the needs of coal has become an important matter in the mining business so that the market demand for seam P coal has also increased. Judging from the actual conditions of the PQRT pit, which is on the west side…

KAJIAN TEKNIS PEMINDAHAN LUMPUR UNTUK OPTIMALISASI PRODUKSI BATUBARA DI AREA …

PT Kideco Jaya Agung is a company engaged in coal mining and uses an open pit mining system. During the rainy season, the flow of water entering the mining area will be mixed with the solid material it is traveling through and stagnate in temporary water storage ponds or sumps, turning it into mud. The coal production process is hampered because the coal to be mined is submerged by water and mu…

PERENCANAAN TEKNIS SEKUEN PENGUPASAN DAN PENIMBUNAN OVERBURDEN UNTUK MENCAPAI…

PT Tunas Jaya Perkasa adalah perusahaan kontraktor batubara yang mengerjakan jobsite PT TRUST-BEK. Ketidaktercapaian target produksi di tahun 2022 membuat perusahaan ingin meningkatkan target produksinya. Sehingga perlu direncanakan dan dilakukan pendesainan ulang dari bukaan pit, kapasitas disposal, dan jumlah kebutuhan alat agar menunjang ketercapaian produksi pada tahun 2023. Perencanaan sek…

EVALUASI TEKNIS SISTEM PENYALIRAN TAMBANG BATUBARA DI PIT MITRA PT GORBY PUTR…

PT Gorby Putra Utama is a coal mining company in North Musi Rawas District, South Sumatera. The coal mining of PT Gorby Putra Utama is carried out using the open pit mining method. This study aims to determine the flow of water entering the mine so that the ideal sump volume will be known to accommodate the water discharge, the pump capacity capable of removing water from the sump and the volum…

KAJIAN TEKNIS SISTEM MINE DEWATERING TAMBANG BATUBARA TAHUN 2022 DI PIT UTARA…

PT Semen Baturaja (Persero) Tbk. adalah perusahaan dengan komoditas industri di bidang semen. Produk yang diolah berupa batu gamping. Batu gamping di daerah ini ditambang menggunakan metode tambang terbuka (surface mining) dengan sistemtambang kuari (quarry mine). Lokasi peledakan yang dekat dengan pemukiman warga menjadikan ground vibration menjadi salah satu dampak hasil peledakan yang diperh…

ANALISIS PERBANDINGAN PENGARUH METODE AIR DECK DAN NON AIR DECK TERHADAP FRAG…

PT Semen Baturaja (Persero) Tbk. adalah perusahaan dengan komoditas industri di bidang semen. Produk yang diolah berupa batu gamping. Batu gamping di daerah ini ditambang menggunakan metode tambang terbuka (surface mining) dengan sistemtambang kuari (quarry mine). Lokasi peledakan yang dekat dengan pemukiman warga menjadikan ground vibration menjadi salah satu dampak hasil peledakan yang diperh…

EVALUASI EKONOMI PENAMBANGAN BATUBARA MENGGUNAKAN METODE DISCOUNTED CASH FLOW…

Coal is one of the economic supports, which is usually used as fuel for PLTUs, the main fuel for the production of steel, cement, chemical and pharmaceutical industries. PT XYZ is a company operating in the mining industry. PT XYZ's reserves are 48,836,214. In this research, the discounted cash flow method is used which takes into account future interest rates, then a sensitivity analysis is ca…

PEMODELAN DAN ESTIMASI SUMBERDAYA BATUBARA, DAERAH BERINGIN MAKMUR II, MURATA…

Penelitian berada di daerah Beringin Makmur 2, Kabupaten Musi Rawas Utara. Secara geologi daerah telitian berada pada Formasi Muaraenim. Adapun tujuan penelitian ini yaitu dapat melakukan pemodelan geologi yang dimulai urutan stratigrafi lalu rekontruksi struktur geologi kemudian pembuatan pemodelan geometri batubara lalu perhitungan estimasi sumberdaya batubara. Tahapan yang digunakan pada pen…

KAJIAN TEKNIS SISTEM PENYALIRAN TAMBANG BATUBARA DI PIT 1 SITE BANKO BARAT PT…

PT Bukit Asam Tbk. is a coal mining company located at Tanjung Enim, South Sumatra Province. This research was conducted due to a heavy rain occured in October 2022 which makes the sump’s partition breaking. Water keeps entering the sump too because the ring canal is not long enough to keep the water away from getting into the sump, it is feared that this could disrupt the production. Therefo…

IDENTIFIKASI KUALITAS DAN PERSEBARAN BATUBARA BERDASARKAN ANALISA KANDUNGAN M…

Secara administrasi penelitian ada di Kabupaten Musi Banyuasin, Sumatera Selatan sedangkan secara tektonik berada pada Cekungan Sumatera Selatan, Formasi Muarenim. Proses pemboran dilakukan di 17 titik, dengan litologi berupa batulempung, batulanau dan batubara. Sanpel batubara di lakukan analisis proksimat untuk menentukan kandungan kelembaban, abu, zat terbang serta total kalori, penelitian i…

ANALISIS PERUBAHAN PARAMETER KUALITAS BATUBARA BIMA-48 PADA AKTIVITAS PENAMBA…

PT Bima Putra Abadi Citranusa produces coal under the Bima-48 brand in an effort to meet consumer needs. Coal produced must be in accordance with consumer demand with agreed product specifications. Problems that arise from coal quality are changes in coal quality parameters caused by several mining activities so that this will affect the coal benchmark price (HPB). The problem was solved throug…

EVOLUSI LAHAN REKLAMASI PASCATAMBANG BATUBARA DAN PENGEMBANGANNYA DALAM BIDAN…

Post-mining activities will generally tend to leave unproductive land. From the negative impacts caused, it is necessary to make efforts to restore the carrying capacity of the land. Based on the regulations in UU No. 4 of 2009, each stage of mining activities must include post-mining activities, one of which is by reclamation. Pit lake Danau Kandi is a post-coal mining land in Talawi District,…

RANCANGAN PENAMBANGAN DENGAN PENANGANAN MATERIAL OPD ABC TIMUR UNTUK MEMENUHI…

PT Banjarsari Pribumi is located in Lahat Regency, South Sumatera Province. Which is a subsidiary of PT Titan Infra Energy and has 3 contractors namely PT Manggala Usaha Manunggal, PT Anugerah Bumi Lestari and PT Anugerah Covindo Indonesia. PT Banjarsari Pribumi started mining coal since 2015. Currently, PT Banjarsari Pribumi mines two pits namely pit middle and pit south. In 2023 PT Banjarsari…

PENYEBAB COAL LOSSES KEGIATAN COAL GETTING DARI PIT SEAM B KE STOCKPILE ROM D…

PT Bara Manunggal Sakti is one of the mining companies operating in the South Sumatra region. Extraction of coal from coal is often not in accordance with the previously intended recovery, and coal losses are shown during the mining process using open pit mining techniques. Therefore, not all available reserves can be obtained and used, which will inevitably result in losses for the company. Th…

PERENCANAAN TEKNIS PENAMBANGAN BATUBARA TRIWULAN 1-4 BERDASARKAN RENCANA PROD…

To plan a coal utilization policy strategy, we need to know about the amount and quality of coal resources and reserves. Because coal is a reliable source for power plants that are widely used and have an economical price, as a result the demand for coal continues to grow, both for domestic and export needs, as well as the widespread use of coal. PT Triaryani is located in North Musi Rawas Rege…

PERENCANAAN TEKNIS SISTEM DEWATERING TAMBANG TERBUKA PADA PENAMBANGAN BATUBAR…

PT. Bukit Asam Tbk (PT. BA) merupakan perusahaan yang bergerak dalam bidang penambangan batubara sejak tahun 1981 yang memiliki izin usaha pertambangan (IUP) operasi produksi batubara seluas 40.347 ha. Metode penambangan yang diterapkan adalah open pit mining. Kegiatan penambangan batubara di pit 3 banko barat pun terlihat bahwa sering terjadi genangan air di dalam pit tersebut hal ini disebabk…

KAJIAN SISTEM PENYALIRAN TAMBANG TERBUKA PADA TAMBANG BATUBARA DI PT. ASTA MA…

PT Asta Maharanita (AM) adalah salah satu perusahaan yang bergerak di bidang industri pertambangan batubara yang berlokasi di Desa Kebur, Lahat, Sumatera Selatan. Penelitian ini dilakukan karena air yang jatuh ke daerah penambangan tidak dapat mengalir ke tempat yang seharusnya. Masalah ini dapat menghambat kegiatan penambangan yang menyebabkan tidak tercapainya produksi. Oleh karena itu diperl…

PERENCANAAN SISTEM PENYALIRAN TAMBANG BATUBARA DI PT ANUGERAH COVINDO INDONES…

The open pit mining method applied to coal mining at PT Anugerah Covindo Indonesia has resulted in the formation of basins that have the potential to collect rainwater and groundwater. Water entering the mine forms puddles which disrupt the production process because there is no sump to control the water. Mine drainage system planning needs to be done to overcome the problems that exist at PT A…

PERENCANAAN TEKNIS SEKUEN PENAMBANGAN BATUBARA UNTUK MENINGKATKAN TARGET PROD…

PT Dizamatra Powerindo is a coal company with a Mining Business License Area of 971 Ha. The increasing price of coal makes the companies plan to increase production targets in the following year. In 2022 PT Dizamatra Powerindo's production target is 2.500.000 tons and plans to increase the production target until 3.000.000 tons. So it is necessary to plan and redesign the pit openings, disposal…

PERENCANAAN REKLAMASI TAMBANG BATUBARA DI PT ERA ENERGI MANDIRI JOBSITE PT SR…

PT Era Energi Mandiri (PT EEM) is a coal mining company which is administratively located in South Merapi, Lahat, South Sumatra. PT EEM has the obligation to reclaim disposal with an area of 77.48 ha. Based on the results of the study, the land arrangement used the Komatsu D85ESS bulldozer with a productivity of 53.81 BCM/hour and for 4,206.65 hours at a cost of Rp.4,560,771,431. Spreading of 3…

REKAYASA GEOMETRI LERENG DAN INSTALASI DRAIN HOLE GUNA OPTIMASI DESAIN FINAL …

Operasi penambangan batubara dengan sistem open pit and open cut berimplikasi pada isu longsornya lereng baik pada high wall, side wall maupun low wall. Menilik kondisi tersebut diupayakan penggalian optimal dari bottom pit dan geometri low wall pada Pit A PT. Bukit Asam, Tbk saat dilakukan proses optimasi penambangan seam C dengan kondisi desain FK≥1.07 dan PoF

IDENTIFIKASI KETEBALAN DAN POLA PERSEBARAN LAPISAN BATUBARA BLOK X PT. Y, KAB…

Penelitian dilakukan di daerah Kabupaten Musi Banyuasin, Sumatera Selatan. Fokus dari penelitian ini yaitu perhitungan ketebalan dan persebaran lapisan batubara berdasarkan analisis data logging geofisika berupa log gamma ray dan log densitas pada sumur pemboran dangkal. Secara geologi daerah penelitian berada pada Formasi Muaraenim yang memiliki umur pengendapan Miosen Tengah-Pliosen. Litologi…

KAJIAN DISTRIBUSI FRAGMENTASI PELEDAKAN OVERBURDEN TERHADAP PRODUKTIVITAS EXC…

One of the main activities in coal mining at PT Bukit Asam Tbk is overburden. The layer of cover material of claystone and sandstone with a strength of 1.32 - 5.75 Mpa. Blasting operations are carried out first to optimize the productivity of the loading digger. There are several factors that become a benchmark for the success of a blasting including the fragmentation of blasting results, the l…

DIKLAT TEKNISI LINGKUNGAN TAMBANG BATUBARA BAWAH TANAH : AMDAL/UKL & UPL

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622.3 Dep d

DIKLAT TEKNISI LINGKUNGAN TAMBANG BATUBARA BAWAH TANAH : MANAJEMEN KESELAMATA…

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21 hlm.; 22 cm.

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DIKLAT TEKNISI LINGKUNGAN TAMBANG BATUBARA BAWAH TANAH : PENGANTAR TEKNOLOGI …

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24 hlm.; 22 cm.

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622.3 Dep d

DIKLAT TEKNISI LINGKUNGAN TAMBANG BATUBARA BAWAH TANAH : GEOLOGI BATUBARA

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36 hlm.; 22 cm.

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622.3 Dep d