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All Journal PROMINE Prosiding Seminar Nasional Sains dan Teknologi Terapan Jurnal GEOSAPTA KURVATEK Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Journal of Earth and Marine Technology (JEMT) Prosiding Seminar Nasional Teknologi Industri Berkelanjutan West Science Interdisciplinary Studies Journal of Geology Sriwijaya West Science Interdisciplinary Studies Journal of Innovative and Creativity Seminar Nasional Riset dan Teknologi (SEMNAS RISTEK)
Fanani, Yazid
Faculty Of Mineral And Marine Technology - Institut Teknologi Adhi Tama Surabaya
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Analysis of Decreased Limestone Production on the Effect of Rainfall with the Linear Regression Method Muhammad Tri Aditya; Helik Susilo; Yazid Fanani
West Science Interdisciplinary Studies Vol. 1 No. 10 (2023): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v1i10.334

Abstract

Limestone mining is a quarry system mining . Its production is influenced by weather factors, especially rainfall. This study aimed at determining the mathematical model wich is able to correlate the influence of rainfall on production of limestone. In addition, it analyzed the correlation between rainfall and limestone production using linear regression method. There are four important steps in this research. The first step is to collect data production and production factors. The second step is to process the data into a mathematical model using linear regression. The third step is to test the result of the mathematical model with the statistical test method. Then the fourth step is to analyze the mathematical model that has met the statistical test results. The results showed that the best mathematical model was: Log P = 0.502 x LOG((JO X Pr) 1.99 x (CH)-0.001) + 0.0002. In conclusion, the effect of rainfall toward the production derivation was very low. Besides, operation hours and productivity also affected production derivation.
Identification of Hazards and Risk Assessment in the Workplace of PT. Nusantara Traisser Site PT. Vale Indonesia Sorowako, South Sulawesi Mahindra, Fahni; Fanani, Yazid; Putri, Fairus Atika Redanto
Journal of Earth and Marine Technology (JEMT) Vol 4, No 2 (2024)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2024.v4i2.5562

Abstract

The mining industry has a high risk of accidents, thereby prioritizing the understanding of safety and occupational health aspects. This research discusses the potential hazards and risk values for each work area of Nusantara Traisser Ltd. at the site of Vale Indonesia Pte Ltd. in 2023. Potential hazards came from field observations, and risk assessments were conducted by analyzing the probability, exposure, and consequence values of each identified hazard. These values were then adjusted according to the semi-quantitative risk level standards of William T. Fine. This research employed an observational approach using the AS/NZS 4360:2004 method for risk management. The results of the study indicated that the total number of potential hazards identified in the four work areas was 11, each with its respective risk value. The highest risk level reached 300, classified as priority 1, involving the hazard of mining traffic in the Anoa North Ground Training area (Mines HSOR Department) and the Enggano Coal and Sulfur Storage area. The recommended risk controls for each work area include elimination, engineering control, administration, and personal protective equipment (PPE).
Analysis of Decreased Limestone Production on the Effect of Rainfall with the Linear Regression Method Aditya, Muhammad Tri; Susilo, Helik; Fanani, Yazid
West Science Interdisciplinary Studies Vol. 1 No. 10 (2023): West Science Interdisciplinary Studies
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsis.v1i10.334

Abstract

Limestone mining is a quarry system mining . Its production is influenced by weather factors, especially rainfall. This study aimed at determining the mathematical model wich is able to correlate the influence of rainfall on production of limestone. In addition, it analyzed the correlation between rainfall and limestone production using linear regression method. There are four important steps in this research. The first step is to collect data production and production factors. The second step is to process the data into a mathematical model using linear regression. The third step is to test the result of the mathematical model with the statistical test method. Then the fourth step is to analyze the mathematical model that has met the statistical test results. The results showed that the best mathematical model was: Log P = 0.502 x LOG((JO X Pr) 1.99 x (CH)-0.001) + 0.0002. In conclusion, the effect of rainfall toward the production derivation was very low. Besides, operation hours and productivity also affected production derivation.
Petrografi dan Estimasi Sumberdaya Andesit pada WIUP Eksplorasi Daerah Rajekwesi, Kec. Kendit, Kab. Situbondo, Jawa Timur Widiatmoko, Fajar Rizki; Fanani, Yazid; Irwanto, Muhammad Agus; Suryawan, I Wayan Koko; Sari, Mega Mutiara; Putri, Ratih Hardini Kusuma
Geosapta Vol 8, No 2 (2022): JULI 2022
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jg.v8i2.13438

Abstract

Kabupaten Situbondo memiliki banyak potensi sumber daya batuan, salah satunya adalah sumber daya berupa batuan andesit. Keterdapatan batuan andesit berasal dari produk gunungapi berjenis batuan beku yang terbentuk oleh aktivitas vulkanik intermediet dengan tipe magma andesitic. Penelitian ini dilakukan di wilayah IUP Eksplorasi Daerah Rajekwesi, Kecamatan Kendit, Kabupaten Situbondo untuk mengetahui kondisi geologi, petrografi batuan, dan volume sumberdaya dari batuan andesit yang terdapat dalam WIUP Eksplorasi. Berdasarkan hasil pemetaan geologi dan analisis petrografi menunjukkan bahwa Satuan Lava Kendit di daerah WIUP hadir seluas 100%, merupakan produk lava dari Gunungapi Ringgit, berisi batuan beku andesit dan sedikit tanah sebagai produk ubahan pelapukan dari batuan tersebut. Lebih detail lagi ditunjukkan dari hasil sampel batuan yang dianalisis menggunakan analisis petrografi terdapat kehadiran mineral plagioklas, kuarsa, feldspar dengan total komposisi 60% yang menunjukkan bahwa sampel tersebut berjenis batu andesit. Estimasi volume sumberdaya mengacu pada tiga jenis sumberdaya yaitu tereka, terunjuk, dan terukur. Berdasarkan hasil perhitungan sumberdaya didapatkan volume sumberdaya batu andesit tereka sebesar 267.555.503 Ton, terunjuk sebesar 23.129.687 Ton, dan sumberdaya terukur sebesar 1.227.962 Ton
Reclamation performance assessment at PT. Trubaindo Coal Mining in Melak field, West Kutai, East Kalimantan Province, Indonesia Gastramat, Maria Frumensia; Fanani, Yazid; Galih Cahyono, Yudho Dwi
Journal of Earth and Marine Technology (JEMT) Vol 5, No 1 (2024)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2024.v5i1.5984

Abstract

Trubaindo Coal Mining Ltd. was established on March 13, 1990, as a subsidiary of Banpu Company. Based in Thailand, Banpu operates within the coal mining industry. Mining activities can have adverse effects, including habitat disruption for flora and fauna, morphological alterations, and reduced soil productivity. To mitigate these impacts, reclamation activities are essential. In compliance with PERMENHUT Number P.60/Menhut-II/2009 and the Minister of Energy and Mineral Resources Decree No. 1827 K/30/MEM/Year 2018, assessing the success of reclamation efforts is a critical step. This study aims to assess and evaluate reclamation activities conducted during the production operation phase at Trubaindo Coal Mining Ltd., focusing on land areas within Pit 3000 BK-04 NB and Pit 4500/P6200 BK03-04 SB1. The research employed a quantitative descriptive method, which included observations on land preparation, revegetation efforts, and final land stabilization. The findings revealed reclamation success rates of 87.3 and 83.1, indicating that the reclamation efforts were generally acceptable but required further improvements. Recommendations include soil pH correction, enhancement of drainage channels, and effective management of weeds, pests, and plant diseases.
Optimized Drainage System Design for Andesite Mining at PT. Rolas Nusantara Tambang, Kejayan, East Java Melang, Antonius Longan; Sari, Avellyn Shinthya; Fanani, Yazid
Journal of Earth and Marine Technology (JEMT) Vol 4, No 1 (2023)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2023.v4i1.4793

Abstract

This study presents a systematic approach to designing a filtration system aimed at efficiently managing rainwater and surface runoff outside mining areas. Utilizing a quantitative method, the data collection predominantly involves secondary sources. The data is processed through a series of steps: rainfall projection, delineation of rainwater catchment areas, calculation of rainfall intensity and inflow rate, and determination of open channel and settling pond dimensions. The designed open channels have a trapezoidal shape with specific dimensions including a base width of 0.51 m, a side length of 0.62 m, a slope angle of 60°, and a channel depth of 0.54 m. These channels span a total length of 2.216 m. The accompanying settling ponds are rectangular with dimensions encompassing a length of 31 m, a width of 11 m, a depth of 6 m, and an area of 341 m². These ponds have a volume capacity of 2,046 m³, achieving an impressive 90.89% efficiency. Notably, maintenance of the settling pond involves periodic dredging using the Kobelco SK200 Excavator at intervals of roughly 16 years (5,817 days). Given that this maintenance duration surpasses the expected mine lifespan, no further interventions are required for the pond during the mine's operational period.
Triangulation Method for Limestone Estimation in CV. Atang Village, Jemparing: Insights from Long Ikis, Paser District, East Kalimantan Syahid, Alwi; Fanani, Yazid; Cahyono, Yudho Dwi Galih
Journal of Earth and Marine Technology (JEMT) Vol 4, No 1 (2023)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2023.v4i1.4822

Abstract

The Atang Are Abadi Firm is a limestone mining company that has carried out further exploration activities to determine the volume, density, and continuity of grades in the exploration area. The exploration activities conducted core drilling at 17 drilling points, a distance of less than 250 meters, and an area of 19.36 ha. This research determined the geological domain of limestone layers with parameters of CaO content greater than 53% through a triangulation (triangle) method. Meanwhile, the cut-and-fill method was used for resource and reserve calculations. The resource acquisition in limestone layers with a content of more than 53% reached 25,682,831.9 BCM, and the acquisition of reserves in limestone layers with a content of more than 53% had 6,788,073.56 BCM. The estimation results of limestone resources and reserves obtained based on the Indonesian National Standard 4726: 2019 are included in the classification of measured limestone resources and proven limestone reserves.
Estimasi Sumberdaya Andesit Menggunakan Metode Cross Section Pada Blok Eksplorasi Di PT. Bumi Kejayan Desa Benerwejo, Kecamatan Kejayan, Kabupaten Pasuruan, Provinsi Jawa Timur Susanto, Muhammad Nizarudin Agus; Yuwanto, Sapto Heru; Fanani, Yazid
Prosiding Seminar Nasional Sains dan Teknologi Terapan 2024: Menjembatani Energi Berkelanjutan dan Ekonomi Hijau melalui Transformasi Riset dan Teknologi T
Publisher : Institut Teknologi Adhi Tama Surabaya

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Abstract

PT. Bumi Kejayan merupakan perusahaan yang bergerak di bidang pertambangan batu andesit yang berlokasi di Desa Benerwejo, Kecamatan Kejayan, Kabupaten Pasuruan, Provinsi Jawa Timur dengan luas areal IUP 40,01 Ha. PT. Bumi Kejayan melakukan kegiatan eksplorasi di dalam areal IUP dengan luasan blok eskplorasi 8,6 Ha, sehingga sebelum dilakukan kegiatan penambangan perlu di lakukan perhitungan estimasi sumberdaya. Tujuan dilakukan perhitungan estimasi sumberdaya pada Blok Eksplorasi PT. bumi Kejayan untuk mengetahui kualitas serta kuantitas batu andesit pada Blok Eksplorasi. Dalam penelitian ini metode yang digunakan untuk mengestimasi sumberdaya yaitu metode Cross Section dengan penerapan pedoman perubahan bertahap (rule of gradual change), Analisis sebaran batu andesit menggunakan data geolistrik. Volume estimasi sumberdaya diperoleh dengan menggunakan bantuan perangkat lunak surpac 6.6.2. Berdasarkan hasil Analisa dan pembahasan, estimasi sumberdaya pada blok eskplorasi PT. Bumi Kejayan termasuk dalam klasifikasi sumberdaya terukur dan diketahui di bawah permukaan blok eskplorasi terdapat 3 lapisan litologi yaitu top soil, breksi dan 2 lapisan andesit masing – masing lapisan litologi di estmasi menggunakan metode cross section dengan jarak antara sayatan penampang sejauh 50 meter sehingga diperoleh 9 section dan didapatkan jumlah volume top soil 108,694.63 m3, breksi 1,496,323.73 m3, andesit 01 68,861.60 m3 dan andesit 02 diperoleh volume sebesar 1,168,595.00 m3.
Analisis Potensi Bahaya dan Pengendalian Risiko di Area Penambangan Kaolin di PT. Djawani Gunung Abadi di Desa Ngentrong, Kecamatan Karangan, Kabupaten Trenggalek, Provinsi Jawa Timur Titirloloby, Aloysius; Putri, Fairus Atika Redanto; Fanani, Yazid
Prosiding Seminar Nasional Sains dan Teknologi Terapan 2024: Menjembatani Energi Berkelanjutan dan Ekonomi Hijau melalui Transformasi Riset dan Teknologi T
Publisher : Institut Teknologi Adhi Tama Surabaya

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Abstract

PT. Djawani Gunung Abadi merupakan salah satu perusahaan yang bergerak dalam bidang industri pertambangan di Jawa Timur, tepatnya berada di Desa Ngentrong, Kecamatan Karangan, Kabupaten Trenggalek Provinsi Jawa Timur, dengan komoditas yaitu batu kaolin yang memiliki risiko dan bahaya yang bisa saja terjadi, dengan penyebab kecelakaan kerja yang disebabkan oleh tindakan tidak aman (unsafe action) dan kondisi tidak aman (unsafe condition), maka perlu adanya tindakan yang diambil dari perusahaan untuk penerapan kesadaran akan pentingnya keselamatan kerja pada masing-masing tahapan pekerjaan akan bahayadan risiko yang dihadapi. Penelitian ini mengunakan metode hazard identification risk assessment and risk control (HIRARC) serta parameter likelihood (kemungkinan), severity (konsekuensi), dan exposure (paparan), untuk mendapatkan nilai dari masing-masing tahapan pekerjaan. Pengambilan data dilapangan dengan melakukan observasi langsung dilapangan. Hasil penelitian ini ditemukan sebanyak 12 potensi bahaya dengan 22 risiko yang mungkin terjadi. Tingkat risiko tertinggi pada pada tahap pekerjaan pengumpulan material pada top loading menggunakan excavator yaitu kerusakan pada belt conveyor akibat benturan (1,800), memar pada kaki/ganguan pendengaran/sindrom akibat getaran (270), crusher yaitu tangan terjepit mengakibatkan patah (1,500), menara pantau crusher yaitu tersengat listrik/luka akibat sengatan Listrik (450) dapat tertumpah/mencemari area menara/tidak stabil saat dinaiki (750), front yaitu tabrakan mengakibatkan kerusakan akibat benturan (3,000), hauling road yaitu debu/pandangan terbatas (900) tertumpah material (2,500), hauling road dalam pit yaitu padangan terbatas /iritasi pada mata (900). Pengendalian risiko dilakukan berdasarkan hirarki pengendalian (hierarchy on control) yakni, eliminasi, subtitusi, rekayasa teknik, administrasi, alat pelindung diri (APD).
Evaluasi Geometri Peledakan Terhadap Ukuran Fragmentasi Dan Digging Time Alat Gali Muat Excavator Backhoe PC 2000 Di Pit 2 Banko Barat PT. Bukit Asam Tbk, Sumatera Selatan Vincent, Vittorio; Cahyono, Yudho Dwi Galih; Fanani, Yazid
Prosiding SENASTITAN: Seminar Nasional Teknologi Industri Berkelanjutan Prosiding SENASTITAN Vol. 05 2025
Publisher : Institut Teknologi Adhi Tama Surabaya

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Abstract

Kegiatan peledakan merupakan salah satu proses penting dalam menunjang ketercapaian produksi pada sebuah tambang. Penelitian ini dilaksanakan pada tambang batubara PT. Bukit Asam Tbk, tepatnya di PIT 2 Banko Barat. Pada lokasi penelitian masih didapati fragmentasi berukuran bongkah 100 cm dengan persentase di atas 15% dimana target dari perusahaan yaitu dibawah 15%. Tujuan dalam penelitian ini adalah untuk menentukan geometri peledakan yang menunjukkan hasil nilai distribusi fragmentasi dari kegiatan peledakan selain dari geometri peledakan yang sudah direncanakan oleh perusahaan. Penerapan geometri peledakan harus dilakukan berdasarkan karakteristik batuan pada lokasi peledakan. Pada kasus ini kaitannya dengan dengan burden, spasi, kedalaman lubang ledak, kolom isian, dan stemming per lubang, dengan menggunakan rumusan menurut R.L Ash, C. J Konya, dan ICI Explosive. Seberapa besar powder factor dan pengaruhnya terhadap fragmentasinya dan juga pada waktu penggalian (digging time) alat gali muat excavator PC 2000. Pengaruh dari perubahan geometri peledakan ini dengan ukuran burden sebesar 5 meter, spasi 7,58 meter, stemming 3,6 meter, kedalaman lubang ledak 6 meter, kolom isian 1,3 meter dan air deck 1,1 meter menghasilkan nilai kelolosan distribusi fragmentasi 11,62 % yang lebih kecil daripada geometri peledakan aktual yaitu 24,80%. Maka dari itu geometri peledakan rekomendasi dengan ICI Explosive ditambahkan air deck lebih efektif daripada geometri peledakan aktual.Kata kunci: Digging time, excavator backhoe, fragmentasi, geometri peledakan, powder factor.
Co-Authors Agung Wicaksono Ahmad Fawaidun Nahdliyin Al Fakih, Salahudin Aldy Elriq Syahputra Alwi Syahid Andres Kevi Paki Aprilia Dwi Astuti Aprilia Dwi Astuti, Aprilia Dwi Avellyn Shinthya Sari Avellyn Shintia Sari Azis, Muhammad Jundi Haikal Bahar, Hendra Berhitu, Theo Destinaba, Rilianisa Devananda Donny Rusdian Pratama Donny Rusdian Pratama eko purnomo Eko Purnomo Faishol Amir Faishol Amir, Faishol Fajar Rizki Widiatmoko Fajar Rizki Widiatmoko Fajar Rizki Widiatmoko Fajar Rizki Widiatmoko Filda Oktaviani Erong Fitri Indah Dwi Suci Galih Cahyono, Yudho Dwi Gastramat, Maria Frumensia Grains Silvester Sapan Hardi Wahono Helik Susilo Irmawati, Erni Irwanto, Muhammad Agus Jone, Yohanes Lakon Utamakno Mahindra, Fahni Mega Mutiara Sari Melang, Antonius Longan Muchamad Kurniawan, Muchamad Muhammad Agus Irwanto Muhammad Jundi Haikal Azis Muhammad Rusdi Taufiq Muhammad Tri Aditya Nahdliyin, Ahmad Fawaidun Nazario Gomez Noche Lorensius Sairdekut Paki, Andres Kevi Pratama, Donny Rusdian Putri, Fairus Atika Redanto Putri, Ratih Hardini Kusuma Ratih Hardini Kusuma Putri Reky Sasauw Rilianisa Destinaba Rino Firsa Putra Syahanda Sairdekut, Noche Lorensius Salahudin Al Fakih Salahudin Al Fakih Salsabila, Unik Hanifah Sapan, Grains Silvester Sapto Heru Yuwanto Sari, Avellyn Shintia Sari, Era Nitika Sari, Mega Mutiara Sasauw, Reky Simela Talaohu Simela Talaohu Siti Agustini, Siti Suryawan, I Wayan Koko Susanto, Muhammad Nizarudin Agus Syahanda, Rino Firsa Putra Syahid, Alwi Syamsul Arifin Talaohu, Simela Theo Berhitu Titirloloby, Aloysius Usman Usman Usman Usman Utamakno, Lakon Vincent, Vittorio Wachid, Aldi Wahono, Hardi Widiatmoko, Fajar Rizki Yohanes Jone Yohanes Jone Yudho Dwi Galih Cahyono