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All Journal Jurnal Sumberdaya Akuatik Indopasifik Jurnal Himasapta MINERAL Coastal and Marine Journal
Franto, Franto
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Engineering Environmental Science Materials Science & Nanotechnology

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Evaluasi match factor alat gali-muat dan angkut untuk meningkatkan produktivitas stripping overburden PT Cipta Kridatama Anggara, Dayu; Franto, Franto; Guskarnali, Guskarnali
Jurnal Himasapta Vol 9, No 1 (2024): Jurnal Himasapta Volume 9 Nomor 01 April 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jhs.v9i1.9373

Abstract

Penelitian dilakukan di PT Cipta Kridatama site Dizamatra Powerindo Lahat pada stripping overburden Fleet CE4226 SW Timur menggunakan kombinasi 1 Excavator CAT 395 memuat 3 OHT CAT 775 dan 2 OHT CAT 773. Nilai produktivitas fleet sudah mencapai target perusahaan, namun dalam pelaksanaannya terdapat delay time sehingga perlu adanya perbaikan match factor tanpa menambah alat mekanis dan biaya produksi. Metode penelitian adalah metode deskriptif kuantitatif, analisis perhitungan match factor berdasarkan cycle time dan jumlah alat yang beroperasi, data diambil lebih dari 30 data dalam sebulan pada Bulan Februari 2023. Data primer berupa data cycle time alat gali-muat dan alat angkut, geometri jalan, sedangkan data sekunder terdiri dari spesifikasi alat, peta pit penambangan dan waktu kerja. Jarak loading point ke disposal IPD Asta berjarak 1.500 meter. Hasil rekapitulasi data dan perhitungan menghasilkan nilai delay time sebesar ± 2 menit, Efektivitas kerja alat sebesar 75%, dan match factor sebesar 0,9 (terdapat waktu tunggu pada alat gali-muat). Usaha perbaikan match factor dengan melakukan pengurangan jumlah passing 1 kali pengisian, sehingga meminimalkan waktu tunggu maksimal 1 menit serta mengurangi penggunaan alat angkut menjadi 4 unit didapatkan match factor 0,92 hingga 1,04.
Analisis Konsumsi Bahan Bakar Alat Muat dan Angkut Pada Pengupasan Overburden di PT Putra Maga Nanditama Bengkulu Utara Alamsyah, Muhammad Izhar; Franto, Franto; Andini, Delita Ega
MINERAL Vol 9 No 2 (2024): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v9i2.5135

Abstract

The research was conducted at PT Putra Maga Nanditama site Gunung Selan, PT Putra Maga Nanditama is a company engaged in coal mining. The background to the research is that overburden production did not reach the company's target and fuel consumption for overburden loading and transport equipment exceeded the company's fuel target. The research method used is a quantitative method. Data collection consists of primary and secondary data. Primary data includes tool cycle time and work efficiency, actual fuel consumption as well as road geometry and distance to disposal. Secondary data in the form of regional performance maps, equipment specifications, rainfall data, equipment working hours data, drone maps for August 2023 and contours. Based on the results of research in the field, factors that influence fuel consumption such as road geometry, road conditions and distance to overburden disposal are still not in accordance with established standards. The productivity of the DX800LC Excavator is 279.59 BCM/hour, the Doosan DA45 ADT is 60.47 BCM/hour and the Volvo A40G ADT is 59.37 BCM/hour. For Doosan DX800LC Excavator fuel consumption is 48.21 liters/hour, ADT Doosan DA45 is 26.62 and ADT Volvo A40G is 23.72 liters/hour. The actual fuel comparison for the two haulers is that the ADT Volvo A40G is more efficient than the ADT Doosan DA45 both in terms of fuel consumption and fuel costs.
Unlocking Mangrove Potential: Sustainable Crab Fisheries in Selindung Sub-watershed, Bangka Island – Indonesia Adibrata, Sudirman; Wahidin, La Ode; Franto, Franto; Komarullah, Umam; Perangin-angin, Robet; Simanjuntak, Hengki; Aisyah, Liastiana
Coastal and Marine Journal Vol. 2 No. 2 (2024)
Publisher : Yayasan Serumpun Karang Konservasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61548/cmj.v2i2.36

Abstract

The identification of mangroves thriving around river estuaries is essential for managing natural resource potential in the Selindung Sub-Watershed. This study evaluates the mangrove resource potential and the livelihoods of crab trap fishermen in the Selindung Sub-Watershed, part of the Baturusa Watershed. Conducted from June to November 2024 in Pagarawan Village, Merawang District, Bangka Regency, this research employed a mixed-method approach, integrating qualitative and quantitative analyses, to identify mangrove species and assess the mangrove crab (Scylla spp.) fishery. The results revealed significant natural resource potential in the Selindung Sub-Watershed, encompassing 349 hectares of mangrove forests with dense canopy cover (≥80%), classified as high-quality habitat. Ten mangrove species were identified, including dominant taxa such as Bruguiera gymnorrhiza, Rhizophora mucronata, and Sonneratia alba. The mangrove crab fishery represents a vital livelihood for local fishermen, who supply their catch to Fish Farming Groups (Pokdakan) for fattening purposes. The sustainability of this fishery is closely tied to the health of the mangrove ecosystem. To ensure the long-term preservation of mangroves and their associated resources, sustainable management policies are required, supported by adequate budget allocation, law enforcement, capacity building, equitable supply chain advocacy, stakeholder engagement, and community education. These measures are critical for fostering ecosystem resilience while supporting the socio-economic well-being of local communities.
Potensi Wisata Pesisir dengan Peningkatan Atraksi Wisata berbasis Sumberdaya Perairan Berkelanjutan Adibrata, Sudirman; Umroh, Umroh; Franto, Franto; Fatimah, Siti
Jurnal Sumberdaya Akuatik Indopasifik Vol 7 No 4 (2023): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2023.Vol.7.No.4.383

Abstract

Developing tourist attractions can encourage increased community participation in managing tourist destinations, especially those based on water resource potential. Local or domestic tourists are the backbone of most tourism destinations. Therefore, challenges, opportunities, and innovation in optimizing the potential of aquatic resources require sharing information based on experience in several regions. The research aims to assess the potential for sustainable water resource-based tourist attractions. This research was conducted from March 2022 to August 2023 in 9 districts/cities with tourist destinations. The method uses qualitative methods through field observations and literature studies. The results show that coastal tourism management must consider tourist attractions, carrying capacity, infrastructure, facilities, and services. Tourist attractions can motivate tourists to visit. Tourists find out about tourist destinations usually based on information from the internet, from friends/relatives, and social media. Clean water facilities at tourist locations are essential, especially during peak season. The sources of income for tourism managers comes from entrance tickets to tourist locations, sponsorships, and rides. The mode of transportation for domestic tourists is dominated by cars and motorbikes. Some examples of tourist attractions visited include tourism educational activities such as salt making, mangrove crab rearing of apartment system, fishing, culinary, sponsorship, lodging, swimming pools, fish therapy, photo boats, viewing panoramic views of beaches, mangroves, swimming, snorkeling and diving on coral reefs. Tourist destinations provide economic benefits and sources of income. Sustainable tourism promotes economic growth, social inclusion, environmental protection, and tourism governance.
Evaluasi Kinerja Alat Pengolahan Wet Belt Low Intensity Magnetic Separator (WBLIMS) Untuk Meningkatkan Kadar dan Recovery Sn di TB Primer Batubesi PT Timah Tbk Kabupaten Belitung Timur: (Performance Evaluation of Wet Belt Low Intensity Magnetic Separator (WBLIMS) for Enhancing Grade and Recovery of Sn in the Primary TB Batubesi Site PT Timah Tbk East Belitung Regency) Pangestu, Dimas; Franto, Franto; Pitulima, Janiar
MINERAL Vol 8 No 2 (2023): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v8i2.5020

Abstract

Primary TB Batubesi Site a subsidiary of PT Timah Tbk, processes primary tin feed stockpile and SHP of oxide clay type using various tools, including the Wet Belt Low Intensity Magnetic Separator (WBLIMS). Currently, WBLIMS can only produce tin concentrate with a grade of 0.5-2% and a recovery of 5-8%, falling below the company's target of 8% grade and 15% recovery (XRF Test). This research conducted eight experiments with variations in feed types and rates. The WBLIMS feed from the stockpile has a Sn content of 0.62%, resulting in a tin concentrate with 1.21% Sn and a recovery of 7.05%. On the other hand, the feed from SHP has a Sn content of 0.61%, resulting in a tin concentrate with 0.95% Sn and a recovery of 5.11%. The type and rate of feed affect the increase in Sn grade and recovery. At low feed rates, the feed material yields lower Sn grade and recovery, while at high feed rates, the results are higher. Increasing the feed rate for WBLIMS from the stockpile leads to a decrease in Sn grade and recovery, whereas in the processing of SHP, the Sn grade increases but recovery varies. Experiments F1L1 and F2L3 yield the most optimal Sn grade and recovery, with F1L1 having a Sn grade of 2.28% and recovery of 11.54%, and F2L3 having a Sn grade of 2.87% and recovery of 9.24%. Although not reaching the company's target, these experimental results can enhance the Sn grade and recovery compared to the previous setup.
Perhitungan Volume Stockpile dan Pengoptimalan Waktu Pengolahan Stockpile 3, 5 dan 6 Terhadap Produksi Alat Gali muat dan Alat Angkut pada TB Primer Batubesi PT Timah Tbk: Calculation of Volume Stockpile and Optimization of Stockpile Processing Time 3, 5 and 6 Against the Production of Digging and Loading Equipment and Transport Equipment in Primary TB Batubesi PT Timah Tbk Sherina, Neni; Franto, Franto; Mardiah, Mardiah
MINERAL Vol 8 No 2 (2023): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v8i2.5070

Abstract

PT Timah Tbk's Batubesi Primary Large Mine has experienced a significant decline in production in recent years, causing a change in the mining process to stockpile management that is still economical with a grade of 0.2%. This study aims to determine the volume and production of stockpiles 3, 5 and 6, the type of sediment and Sn content of stockpile material and the time required to spend stockpile material 3, 5 and 6 in order to get the optimal time. The method used is a quantitative method by taking cycle time data as much as 30 data and analyzing sample levels using XRF on each stockpile. The results of this study obtained the volume of stockpile 3 material is 132,648.42 m3,, stockpile 5 is 162,570.25 m3, and stockpile 6 is 33,090.19 m3. The calculated machine productivity at stockpile 3 is 42.17 tons/hour, stockpile 5 is 48.11 tons/hour and stockpile 6 is 39.53 tons/hour. The highest Sn content is found in stockpile 6 which is 0.33% with the type of skarn sediment. While the lowest Sn content is found in stockpile 3 which is 0.2% with oxide clay sediment type. In stockpile 5, the Sn content is 0.31% with the type of oxide clay sediment. The remaining volume of stockpile material in stockpiles 3, 5 and 6 can be spent with a time of 2.78 years using 1 unit of excavation equipment and 1 unit of transportation equipment. Optimization is carried out so that the remaining stockpile reserves can be spent within 1.74 years using 1 unit of excavation equipment and 2 units of transport equipment.
Analisis Konsumsi Bahan Bakar Alat Muat dan Angkut Pada Pengupasan Overburden di PT Putra Maga Nanditama Bengkulu Utara: Analysis of Fuel Consumption of Loading and Transport Equipment in Overburden Stripping at PT Putra Maga Nanditama North Bengkulu Alamsyah, Muhammad Izhar; Franto, Franto; Andini, Delita Ega
MINERAL Vol 9 No 2 (2024): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v9i2.5135

Abstract

The research was conducted at PT Putra Maga Nanditama site Gunung Selan, PT Putra Maga Nanditama is a company engaged in coal mining. The background to the research is that overburden production did not reach the company's target and fuel consumption for overburden loading and transport equipment exceeded the company's fuel target. The research method used is a quantitative method. Data collection consists of primary and secondary data. Primary data includes tool cycle time and work efficiency, actual fuel consumption as well as road geometry and distance to disposal. Secondary data in the form of regional performance maps, equipment specifications, rainfall data, equipment working hours data, drone maps for August 2023 and contours. Based on the results of research in the field, factors that influence fuel consumption such as road geometry, road conditions and distance to overburden disposal are still not in accordance with established standards. The productivity of the DX800LC Excavator is 279.59 BCM/hour, the Doosan DA45 ADT is 60.47 BCM/hour and the Volvo A40G ADT is 59.37 BCM/hour. For Doosan DX800LC Excavator fuel consumption is 48.21 liters/hour, ADT Doosan DA45 is 26.62 and ADT Volvo A40G is 23.72 liters/hour. The actual fuel comparison for the two haulers is that the ADT Volvo A40G is more efficient than the ADT Doosan DA45 both in terms of fuel consumption and fuel costs.
Perencanaan Tahapan Persiapan Dan Perhitungan Reklamasi Di Lahan Bekas Tambang Air Rikai PT Timah Tbk Kabupaten Bangka: Planning for Preparatory Stages and Reclamation Calculations on the Former Air Rikai Mine Land of PT Timah Tbk, Bangka Regency Zahrah, Salsabila Oldia; Franto, Franto; Mardiah, Mardiah
MINERAL Vol 9 No 1 (2024): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v9i1.5140

Abstract

The research location chosen was the Air Rikai ex-mining land, which is an alluvial ex-mining land within the IUP of PT Timah Tbk. The negative impact that arises from mining is in the form of land damage. This research aims to overcome damage and also ensure that reclamation activities can be carried out well. The method used in this research is a quantitative method. The data taken is in the form of soil samples, soil pH and water pH data, topographic data (x,y,z coordinates) and bathymetric data for the depth of the pit. The results of data processing and analysis show that the condition of the land to be reclaimed has an area of 13 Ha and is divided into 2, namely voids with a total area of 1.57 Ha and land area of 11.43 Ha. Land use is carried out by stockpiling overburden with a required volume of overburden of 35,511.54 m³. Land leveling with a volume of pushed soil of 35,280 m³. Arrangement of the edge of the pit with a volume of soil moved of 230.29 m³. Construction of drainage channels with an excavation volume of 214.59 m³. Installation of concrete buis type culverts with dimensions of 50 x 50 cm and a length of 50 cm. In the revegetation, 1,517 oil palm trees were planted, then 463 sea cypress trees were planted along the underside and LCC seeds to help loosen the soil. Treating acid mine drainage with 350 water hyacinths. The costs required for reclamation are divided into 2, namely, Direct Costs and Indirect Costs. The direct costs required are IDR 679,286,160 and the indirect costs required are IDR 213,975,140. The total costs required for reclamation of land with an area of 13 Ha are IDR 893,261,300.
Co-Authors Adibrata, Sudirman Aisyah, Liastiana Alamsyah, Muhammad Izhar Anggara, Dayu Delita Ega Andini Guskarnali, Guskarnali Janiar Pitulima Komarullah, Umam La Ode Wahidin Mardiah Mardiah Pangestu, Dimas Perangin-angin, Robet Sherina, Neni Simanjuntak, Hengki Siti Fatimah Umroh Umroh Umroh Umroh Zahrah, Salsabila Oldia