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ANALISIS KINERJA FLEET DENGAN PENGEMBANGAN SISTEM PENCATATAN LOSS TIME MENGGU…
PT Bara Energi Lestari adalah perusahaan pemilik konsesi lahan pertambangan batubara seluas 1.495 ha di Gampong Seumambek, Kabupaten Nagan Raya, Provinsi Aceh. Kegiatan pengupasan lapisan overburden (OB Removal) saat ini dikerjakan di Pit Utara seluas 13,77 ha dengan jenis material berupa claystone dengan berat jenis 2,3 ton/m3. Pekerjaan pencatatan loss time pada kegiatan OB Removal di PT Bara…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1573872024
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…
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- xviii, 57 hlm.; ilus.; tab, 29 cm.
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- T1553392024
PENINGKATAN KADAR BAUKSIT HINGGA MEMENUHI STANDAR SMELTER GRADE ALUMINA (SGA)…
Bauxite is a consisting of heterogeneous minerals with the main composition of alumina oxide (Al2O3). Bauxite as the main raw material for alumina can be obtained or extracted through mining processes carried out by surface mining and underground mining, according to the availability of bauxite itself. The Geological Resources Center data in 2014 shows the number of bauxite resources in Indones…
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- xvii, 139 hlm.; ilus.; 29 cm
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- T1457522024
ANALISIS KESELAMATAN KERJA PERTAMBANGAN BATU ANDESIT DI PT. ATIKA TUNGGAL MAN…
The Implementation of Mineral and Coal Mining Rules, it is part of one of the company's overall management systems in the context of controlling risks to the safety and health of mining operations. SMKP Minerba works as a reference for mines in Indonesia in implementing SMKP even though it has previously been implemented by SMK3. This study aims to test and analyze the application of the Mining…
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- xi, 83 hlm.; ilus.; 29 cm
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- T1395122023
ANALISIS PENGELOLAAN STOCKPILE BATUBARA DI PT. JASA LAKSA UTAMA, LAHAT, SUMAT…
PT. Jasa Laksa Utama is a coal mining company that is part of PT. Bara Alam Utama, located in Lahat Regency, South Sumatra Province. Results of company's coal production are stored in stockpile. Problem that occurs in this company is stockpile management that has not been going well due to high coal in that exceeds coal out, so there is coal final stock and it can cause difficulty in implementi…
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- xiv, 37 hlm.; Ilus.; 29 cm
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- T1381852024
ANALISIS PENGARUH SIFAT MEKANIK BATUAN TERHADAP KEMAMPUGARUAN BULLDOZER DAN K…
PT. Berau Coal is one of the mining companies in Indonesia, which is engaged in coal mining. This research was conducted in pit q. block prapatan at the site of binungan mine operation 1. The condition of the bulldozer ripper tool has experienced many breakdowns so the PA plan of the D10T-2 bulldozer is not on target which makes the production of overburden material ripping not achieved. As in …
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- xviii, 45 hlm.; Ilus.; 29 cm
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- T1105942023
EVALUASI KEBUTUHAN ALAT GALI MUAT DAN ALAT ANGKUT UNTUK MEMENUHI TARGET PRODU…
PT. Putra Muba Coal is a national company engaged in the coal mining industry and has been meeting coal needs for various local industries and international markets since 2008. PT. Putra Muba Coal uses an open pit mining system using a combination of excavators and dump trucks. In 2022 based on the RKAB (Work Plan and Budget) which has been approved by the Ministry of ESDM, PT. Putra Muba Coal …
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- xv, 40 hlm.; Ilus.; 29 cm
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- T917452023
ANALISIS EFEKTIVITAS EXCAVATOR DAN DUMP TRUCK PADA KEGIATAN OVERBURDEN REMOVA…
PT Bakti Nugraha Yuda merupakan perusahaan bergerak dibidang pertambangan batubara. Faktor ketersediaan alat dan kehilangan waktu kerja merupakan isu utama setiap perusahaan pertambangan dalam meningkatkan efisiensi dan performa penambangan. Isu seperti ini juga ditemukan pada PT Bakti Nugraha Yuda. Analisis efektifitas dengan menggunakan metode overall equipment effectiveness (OEE) merupakan s…
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- xiv, 70 hlm.; ilus.; 29 cm
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- T799002022
ANALISIS KETERCAPAIAN PRODUKSI OVERBURDEN BULAN OKTOBER-DESEMBER 2021 DI PT U…
In overburden stripping activity on October 2021 PT UN Site PT DBU plans to strip 161,927.66 BCM/month of overburden while the realization in the field is only 116,432.68 BCM/month or about 72% of the targeted production plan. One of the factors that resulted in not achieving the production target is the less than optimal performance of the tool and the many constraints that occur. So it is nec…
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- xvi, 41 hlm.; ilus.; 29 cm
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- T778232022
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…
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- xix, 40 hlm.; ilus.; 29 cm
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- T759862022
ANALISIS PENGOLAHAN PASIR BESI SEBAGAI BAHAN BAKU AGREGAT HALUS CAMPURAN ASPA…
Iron sand in Indonesia is an abundant resource but its use is still very minimal, so that iron sand is considered a natural resource that is less economical and its utilization is not optimal. While iron sand itself is in the order of the most elements forming the earth. So far, the material used as fine aggregate in flexible pavement mixtures is natural sand, which generally comes from rivers.…
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- xx, 77 hlm.; ilus.; 29 cm
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- T618702022
PERHITUNGAN SUMBERDAYA BATUBARA DENGAN MENGGUNAKAN SOLID BLOCK MODEL DI PT CI…
PT Citra Tobindo Sukses Perkasa (PT CTSP) merupakan salah satu perusahaan tambang di Indonesia yang bergerak di bidang penambangan batubara. PT Citra Tobindo Sukses Perkasa terletak di Kabupaten Sarolangun Provinsi Jambi. Perusahaan ini memiliki IUP seluas 200 hektar. Tujuan penelitian ini dilakukan agar mengetahui model endapan dari batubara, untuk membantu melakukan perencanaan penambang…
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- xv, 90 hlm.: Ilus., tab.; 29 cm
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- T420632020
EVALUASI KINERJA ALAT GALI MUAT DAN ALAT ANGKUT DI PIT A PT. BENCOOLEN MINING…
Produksi batubara PT. Bencoolen Mining di Pit A Tambang Tanjung Dalam pada tahun 2019 berkisar 600.000 ton dan direncanakan akan di tingkatkan pada tahun 2020 menjadi 1.200.000 ton per tahun. Dengan semakin meningkatnya produksi batubara tersebut, maka rencana produksi pengupasan overburden juga akan meningkat. Perusahaan menargetkan pengupasan overburden pada bulan Maret 2020 sebesar 100.…
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- xiv, 63 hlm.: Ilus., tab.; 29 cm
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- T405662020
ANALISIS ASPEK TEKNIS DAN EKONOMI PENAMBANGAN BATUAN ANDESIT DI QUARRY BUKIT …
Batu split atau batu andesit adalah jenis batuan beku yang bersumber dari penggalian atau penambangan di quarry yang ada di berbagai tempat di Indonesia. Kajian teknis dan ekonomis harus mencakup penilaian situasi kondisi pada saat ini dan kondisi mendatang, terutama memperhitungkan perubahan-perubahan pada kondisi yang mungkin terjadi. Permasalahan yang timbul adalah faktor perkembangan t…
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- xvi, 83 hlm.: Ilus., tab.; 29 cm
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- T391922020
KAJIAN TEKNIS PEMINDAHAN JALAN ANGKUT FRONT PIT 4-ROM 2 PADA PT. DIZIMATRA PO…
Ketika harga batubara terus turun. PT. Dizamatra Powerindo memutuskan untuk mencari cara agar hasil produksi tetap maksimal atau meningkat dan berharap biaya angkut turun. Berdasarkan hal ini dilakukan rencana pemindahan jalan angkut yang direncanakan akan memotong atau memperpendek jarak angkut sehingga menurunkan biaya angkut dan meningkatkan produksi. Rencana jalan baru ini direncanakan…
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- xv, 90 hlm.: Ilus., tab.; 29 cm
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- T420802020
PERENCANAAN DESAIN PIT PENAMBANGAN BATU KAPUR TAHUN 2020 DENGAN TARGET PRODUK…
PT Semen Baturaja (Persero) Tbk adalah perusahaan yang bergerak dalam industri semen. Bahan baku utama yang dibutuhkan untuk memproduksi semen adalah batu kapur. Perusahaan ini terdiri dari dua pit penambangan batu kapur yaitu Tambang Baturaja I dan Tambang Baturaja II. Berdasarkan pengamatan dilapangan untuk meningkatkan produksi batu kapur salah satu upaya yang dilakukan perusahaan denga…
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- xiii, 46 hlm.: Ilus., tab.; 29 cm
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- T419012020
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