Coal mining owned by the community is one of the coal mining activities carried out by local communities on a small scale and in mutual cooperation as a form of livelihood. This community mining sometimes does not meet standards in environmental aspects, so it is destructive to nature and causes disruption of the balance between the environment and natural resource management. These exploitatio…
On the West Banko mine, mining activities carried out using conventional systems with a combination of excavator loading (backhoe) and transportation means (truck) so as the mine advances will form a large basin. In the rainy season the water will inundate the mining front that will lead to the cessation of coal mining operations. To cope with the incoming water would require pumps the number a…
Sistem penambangan pada tambang batu granit PT. Trimegah Perkasa Utama menggunakan open pit dengan metode quarry. Penggunaan metode tersebut menyebabkan air yang masuk ke tambang akan terakumulasi ke tempat yang paling rendah. Tujuan penelitian ini untuk merencanakan kebutuhan pompa untuk sistem drainase agar air yang masuk ke tambang tidak menggangu aktivitas penambangan. Untuk mendapatkan has…
PT. Bukit Asam, Tbk. is a State-Owned Enterprise (BUMN) engaged in the coal mining industry located in Tanjung Enim, South Sumatra, has a Mining Business Permit (IUP) covering an area of 40,347 Ha. The mining method used is open pit mining. The base of the mine is located at an elevation of 16 m with its highest point at an elevation of 107 m, so it has a depth of 97 m.Pit it has onesump capaci…
PT. Tata Bara Utama merupakan perusahaan kontraktor tambang batubara yang terletak di Provinsi Sumatera Selatan. Dengan luas wilayah IUP PT TBU Site BBE�MAL yaitu 9560 Ha. Pada wilayah IUP PT. Tata Bara Utama terdapat daerah yang sudah dilakukan eksploitasi batubara seluas 1,52 ha. lingkungan sekitar sudah terganggu terlihat dari turunnya muka tanah eksisting (eksisting land) pada area dispos…
PT Surya Global Makmur is a mining site located in the village of Rangkiling, Sarolangun Regency, Jambi Province. The coal mining of PT Surya Global Makmur Jobsite Mandi Angin is carried out using the open pit method. The open pit mining method is strongly influenced by the weather so that it has an impact on mining production activities. The mine drainage system occurs if there is water enteri…
Coal mining activities at PT. Bukit Asam, Tbk uses surface mining system methods and conventional and continuous mining equipment. Open coal mining is strongly influenced by water making slope conditions saturated, where water can have an impact on mining operational activities. High rainfall during the rainy season can affect or hamper ongoing mining operations. The results of observations in …
Penambangan batubara PT Kalimantan Prima Persada Jobsite PELH dilakukan dengan metode tambang terbuka. Metode penambangan secara tambang terbuka akan menghasilkan cekungan yang apabila terjadi hujan akan terisi air. Pada pit timur asta PT Kalimantan Prima Persada Jobsite PELH terdapat sebuah void berisi air yang berada pada sisi barat pit timur asta. Void tersebut masuk kedalam boundary pit pad…
PT Budi Gema Gempita is a mining company located in Lahat Regency, South Sumatra Province. The open pit mining method is carried out in strip mining with a combination of shovels and trucks. The overburden stripping target at Lawai 1 Pit in January 2021 was 75,000 BCM, but the planned stripping target was not achieved. Realization of overburden stripping was 55,760 BCM or around 74%. Failure to…
PT. Bukit Asam, Tbk (PTBA) plans to carry out finalization activities on Pit 1 East and North. However, in the implementation of the East and North Pit 1 finalization activities there was an obstacle, namely the final design locations for East and North Pit 1 which based on the RKAP there were still 4 (four) sump that flooded, that is sump north, sump middle, sump south, and sump east so a drai…
PT. Astaka Dodol is a coal mining company that performs coal mining activities using an Open Pit and a series of mechanical equipment. Coal mining activities are carried out using an open pit (Open Pit) using conventional methods, namely a combination of excavator backhoe and dump truck. The consequence of this activity will be a large basin that causes water to easily enter the basin which can…
PT Ulima Nitra (UN) adalah salah satu perusahaan bergerak di bidang industri pertambangan batubara. PT Ulima Nitra berlokasi di Desa Karang Raja, Kabupaten Muara Enim. Penelitian ini dilakukan karena pompa yang ada tidak mampu untuk mengeluarkan air yang ada di sump sehingga air yang masuk ke tambang menggenangi front penambangan. Masalah ini dapat menghambat kegiatan penambangan yang menyebabk…
PT Bara Alam Utama (BAU) is a subsidiary of the Bara Coal Group which is engaged in the coal mining industry with an area of IUP Production Operation which is 799.6 hectares. The company is located in Gunung Agung Village, South Merapi District, Lahat Regency. The mining method applied is open pit mining. The bottom of this mine is located at an elevation of 18 m with the highest point located …
PT. Meganta Batu Sampurna, is a mining company located in Batujajar Village, Cigudeg District, Bogor Regency, West Java Province. This company carries out andesite mining activities to meet market needs and support national development. Andesite is mined in a quarry and then processed at a crushing plant into products in the form of 3-5 cm split, 1-2 cm split, and rock ash . The stone ash is th…
PT. Bima Putra Abadi Citranusa is a coal mining company in Lahat, South Sumatra that using open pit method. The current mining activity hampered because of overflowing sump so it is necessary to re-planning the drainage system. Based on the analysis amount of water entering the mine is 14.367,75 m3/day with a catchment area of 60.25Ha. The incoming water consists of runoff water of 14,393.88 m3…
The study to be carried out is a mapping of groundwater potential in relation to forest and land fires (karhutla) in Lempuing District, Ogan Komering Ilir Regency (OKI). This study is focused on determining the potential source of groundwater to tackle forest and land fires (karhutla) in Lempuing District. Based on the hydrogeological map of the Ogan Komering Ilir Regency Groundwater Basin, thi…
PT Firman Ketaun is a company that belongs to the Wijaya Kusuma (WIKU) Group which is engaged in Coal Mining. The high intensity of rain in February 2021 resulted in a large amount of rainwater runoff entering pit C so that the sump at the mine site was unable to accommodate the incoming runoff and resulted in water overflow and coal mining activities experiencing obstacles. Therefore, it is ne…
Over the last five years or so, fires have continued to occur in OKI Regency, including in Tulung Selapan district. Based on data obtained from the Regional Disaster Management Agency (BPBD) of Ogan Komering Ilir Regency, the Tulung Selapan district area has the potential for forest and low to prone land fires. Tulung Selapan Subdistrict, is included in the Karang Agung Groundwater Basin (CAT),…