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INDONESIA
INDONESIAN MINING PROFESSIONALS JOURNAL
Published by Perhimpunan Ahli Pertambangan Indonesia
ISSN : 27148823     EISSN : 27159035     DOI : https://doi.org/10.36986/impj.v1i1.6
Core Subject : Engineering,
Aerospace Engineering
This Journal is published periodically two times annually : April and October, containing papers of research and development for mineral and coal, including Mining Exploration, Surface Mine System and Operation, Underground Mine System and Operation, Geotechnical, Mine Safety and Mine Environment, Mine Management, Mine Ventilation, Mineral and Coal Economics, Coal and Mineral Processing and Smelting, Metallurgy, Coal and Mineral Trading, Mining Law and Policy, Mining CSR and Community Development, and Technology and Innovation in Mining. The editors only accept relevant papers with the substance of this publication.
Arjuna Subject : Energi (semua kategori) - Energi (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 5, No 1 (2023): April" : 5 Documents clear
Perancangan Geometri Jalan Tambang Pada Pit 3E PT. Aneka Nusantara Internasional Faisal Jamaluddin
Indonesian Mining Professionals Journal Vol 5, No 1 (2023): April
Publisher : PERHAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36986/impj.v5i1.69

Abstract

Peneltian ini bertujuan  untuk membahas terkait perancangan jalan tambang yang sesuai dengan standar geometri jalan. Perancangan geometri jalan tambang mengacu pada Keputusan Menteri ESDM No.1827/K/30/MEM/2018 dan AASHTO (American Association of State Highway and Transportation Officials) tahun 1993. Geometri jalan tambang meliputi lebar jalan lurus, lebar jalan pada tikungan, kemiringan jalan, kemiringan melintang dan superelevasi yang dibandingkan dengan perhitungan secara teoritis berdasarkan AASHTO (American Association of State Highway and Transportation Officials). Perancangan jalan tambang dilakukan pada Pit 3E dengan menggunakan beberapa perangkat lunak seperti Surpac, ArcGis, AutoCAD dan Google Earth Pro. Adapun hasil perhitungan standar geometri jalan tambang meliputi nilai lebar jalan lurus minimum 9,28 m, lebar jalan pada belokan minimum 14,4 m, kemiringan jalan maksimum 12%, cross fall maksimum 2%, serta superelevasi maksimum 1,33%. Berdasarkan hasil pengukuran kondisi geometri jalan tambang yang ada saat ini, masih didapatkan beberapa segmen yang belum memenuhi standar geometri jalan tambang. Berikut ini adalah data hasil pengukuran geometri jalan tambang : lebar jalan lurus 3,4 m sampai 7,4 meter; lebar jalan belokan 7,2 meter sampai 20,8 meter; dan kemiringan jalan 5,01 % sampai 17,25 %; Oleh karena itu, perlunya dilakukan pembuatan jalan tambang yang sesuai dengan standar dari Keputusan Menteri ESDM No.1827/K/30/MEM/2018 dan AASHTO (American Association of State Highway and Transportation Officials).American Association of state highway and transportation officials (AASHTO), 2018. “A Policy on Geometric Design of Highways and Streets 7 Edition” Washington DC, Amerika Serikat.Head of Mine Engineering Departement, Standard Operating Procedure “Desain Jalan Tambang” PT. Darma Henwa Tbk. Jakarta.Jamaluddin, Faisal. 2021. “Studi Geometri Jalan tambang Berdasarkan Kepmen ESDM Nomor 1827 K/30/MEM 2018 Tentang Pedoman Pelaksanaan Kaidah Teknik Pertambangan Yang Baik Pada PT. Putra Mekongga Sejahtera”. Jurusan Tenik Pertambangan, Fakultas Sains dan Teknologi, Universitas Sembilanbelas November. KolakaJenius, Abdul Rauf. 2018. “Evaluasi Geometri Jalan Angkut dari Pit ke Disposal di PT. Awokgading Sarira Nusantara Kabupaten Luwu Timur Provinsi Sulawesi Selatan” UPN Veteran. YogyakartaKeputusan Menteri Energi dan Sumber Daya Mineral Republik Indonesia Nomor 1827 K/30/MEM /2018. Tentang Pedoman Pelaksanaan Kaidah Teknik Pertambangan Yang Baik.Mustofa, Adip. 2016. “Perbaikan Jalan Angkut Tambang : Pengaruh Perubahan Struktur Lapis Jalan Terhadap Produktivitas Alat Angkut”. FT Universitas Lambung Mangkurat. Banjarmasin.PT. Fortino Artha Sejahtera. 2022. “Dokumen Rencana Kerja dan Anggaran Biaya PT. Aneka Nusantara Internasional Tahun 2022”. Kabupaten Banggai, Sulawesi Tengah.Rifandy Akhmad dan Mohammad Noor Ryan. 2016. “Evaluasi Geometri Jalan Tambang (Ramp) Pada Kegiatan Pengupasan Tanah Penutup Di Pit Seam 12 PT. Kitadin Job Site Embalut Kecamatan Tenggarong Seberang Kabupaten Kutai Kartanegara”. Kutai Kartanegara Sidabuntar, Geniusman. 2018. “Metodologi Perancangan Jalan Angkut Batubara Dari Aspek Sipil dan Manajemen Keselamatan Di PT. Lahai Coal”. Prosiding XXVII dan Kongres X PerhapiSuwandhi, Awang. 2004. “Perencanaan Jalan Tambang”. Diklat Perencanaan Tambang Terbuka. Universitas Islam Bandung.
EVALUASI DAN RANCANGAN GEOMETRI HAULING ROADS PADA LOKASI PENAMBANGAN ASPAL La Ode Dzakir
Indonesian Mining Professionals Journal Vol 5, No 1 (2023): April
Publisher : PERHAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36986/impj.v5i1.85

Abstract

Produkivitas alat angkut yang rendah menyebabkan target produksi aspal tidak tercapai. Untuk meningkatkan kerja alat angkut, maka dilakukan evaluasi teknis mengenai kondisi geometri jalan angkut di lokasi penambangan aspal, agar produktivitas alat angkut meningkat dan target produksi dapat tercapai. Metode yang digunakan dalam penelitian ini adalah mengkaji secara teknis kondisi jalan angkut tambang dan merencanakan dimensi jalan yang akan digunakan. Setelah dilakukan evaluasi teknis, ditemukan bahwa geometri jalan angkut belum memenuhi kriteria, diantaranya grade jalan yang melebihi grade maksimal, lebar jalan yang kurang, tidak ada cross slope, dan tidak ada superelevasi pada tikungan. Oleh karena itu di lakukan pengkajian terhadap geometri jalan angkut untuk keamanan dan kelancaran operasi pengangkutan. Berdasarkan hasil penelitian yang dilakukan untuk spesifikasi alat angkut terlebar yaitu HINO 500 FM 260 TI diperoleh lebar jalan angkut minimum untuk dua jalur pada jalan lurus yaitu 8,575 m dan pada jalan tikungan yaitu 12.565 m. Sedangkan grade jalan yang mampu di atasi oleh HINO 500 FM260 TI sebesar 3,6o, Cross slope sebesar 0,40 m dan super elevasi atau kemiringan pada tikungan adalah 0,84 m.
MANAJEMEN RISIKO FATAL DI PT. FREEPORT INDONESIA Eman Widijanto; Sony Suryanto; Fransiscus Novento
Indonesian Mining Professionals Journal Vol 5, No 1 (2023): April
Publisher : PERHAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36986/impj.v5i1.89

Abstract

PT Freeport Indonesia (PTFI) operates underground copper-gold mines (block cave and open stoping mining methods) located in the remote highlands of Papua, Indonesia, about 3,500 km east of Jakarta, Indonesia. The rugged terrain with extreme elevation changes, highly varied weather, variety of geological condition and complex mining-processing activities create challenging situation to manage safe and productive mine operation.From safety statistics performance, the Total Reportable Incident Rate (TRIR) and severity rate have declined over time, however achieving zero fatality consistently is still significant challenge for the team.Fatal Risk Management (FRM) is one of PTFI’s safety programs to eliminate and reduce serious injuries and fatalities. This paper elaborates the history of the FRM program, implementation challenges, digitalization transformation program and future improvement to ensure safety of the workers and continued achievement of desired mine-mill production.
KAJIAN TEKNIS PRODUKSI ALAT MUAT DAN ALAT ANGKUT PADA KEGIATAN PENAMBANGAN BATUBARA muhammad dafa ramadhan
Indonesian Mining Professionals Journal Vol 5, No 1 (2023): April
Publisher : PERHAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36986/impj.v5i1.56

Abstract

        This research aims to calculate the production capability of loading and conveyance equipment used in coal mining activities, find out what factors affect the non-achievement of coal production suggestions, and then make efforts to increase the production of loading and conveyance equipment so that the targets that have been set can be achieved. . In this study, observation and retrieval of data in the field directly (primary data) and indirectly (secondary data) will then be carried out data processing. Based on the results of calculations, it can be concluded that the production of Komatsu PC400LC Excavator loading equipment is 18,651.11 Tons / month and the production of 4 units of Nissan CWB450HD Dump Truck conveyance is 18.325,66 Tons / month. Factors that cause non-achievement of production targets on loading equipment and conveyance are low work efficiency due to loss of working time and non-optimal distribution time due to road conditions that do not meet the standards. Efforts to increase the production of load tools were made by increasing work efficiency from 63.56% to 64.32%, so that the production target increased to 20,761.54 tons / month. For conveyance, the first alternative that can be done to increase production is to increase work efficiency from 63.34% to 64.10% and optimize the distribution time of conveyance from 359.77 seconds to 330.10 seconds, so that production increases to 20.212,45 Tons / month. The second alternative that can be done is to increase the work efficiency and increase the number of bucket fillings from 3 times to 4 times, so that production increases to 21.986,50 Tons / month.
ANALISIS KONSUMSI BAHAN BAKAR ALAT ANGKUT UD QUESTER CWE 370 DALAM KEGIATAN PENGANGKUTAN BIJIH NIKEL Hendra Rujiadi Adha
Indonesian Mining Professionals Journal Vol 5, No 1 (2023): April
Publisher : PERHAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36986/impj.v5i1.57

Abstract

 PT. X is a mining contractor company located in North Morowali Regency, Central Sulawesi Province. Transport activities use a combination of excavator PC300 and UD Quester CWE370. Based on the results of the study, there are several haul road geometries that do not meet the standards that have a road slope of more than 8%. Other factors that affect the increase in fuel consumption are; acceleration, RPM, engine brake horsepower and workload. The problem that appear is that the consumption and/or fuel ratio exceeds the company's standards, data recorded in March 2021 that the consumption and fuel ratio of transportation equipment reached 13.63 liters/hour and 0.47 liters/BCM from the company standard of 8 liters/hour and 0.27 liters/BCM. The analysis was conducted to determine the effect of haul road conditions on the fuel consumption of conveyances. The theoretical calculation of fuel consumption is carried out using two methods, that is based on rimpul and RPM. It is known that fuel consumption based on rimpul calculation is 12.10 liters/hour, while based on RPM is 18.84 liters/hour. After making improvements to the geometry of the road will reduce fuel consumption and increase productivity. Based on these calculations and recommendations, fuel consumption uses rimpul calculations, namely; 12.45 liters/hour, while the fuel ratio is 0.28 liters/BCM..

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