Rancangan teknis pushback penambangan batu bara di PIT Block 01 PT. Borneo Alam Semesta Site Binuang Mitra Bersama Kecamatan Lokpaikat Kabupaten Tapin Provinsi Kalimantan Selatan

NOOR, AHMAD WAHDIAN (2023) Rancangan teknis pushback penambangan batu bara di PIT Block 01 PT. Borneo Alam Semesta Site Binuang Mitra Bersama Kecamatan Lokpaikat Kabupaten Tapin Provinsi Kalimantan Selatan. Other thesis, Institut Teknologi Nasional Yogyakarta.

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Abstract

PT. Borneo Alam Semesta is a national private company engaged in coal
mining contracting at PT. Binuang Mitra Bersama which is located in Budimulya
Village, Lopaikat District, Tapin Regency, South Kalimantan Province. PT.
Binuang Mitra Bersama as the owner has a production operation mining permit
(IUP) covering an area of 537,48 Ha. PT. Binuang Mitra Bersama requires an
annual production target of ± 850.000 tons with an average stripping ratio of ± 4:1
according to a predetermined target.
Based on the annual mine progress plan that has been made and from the
results of volume calculations in the pit, an estimated mining life of pit bmb block
01 is 3 years 4 months with an average number of loading and unloading equipment
per year of ± 6 units. In the first year of mining the volume of overburden uncovered
was 3.547.795 Bcm and coal was 857.301 tons. In the second year of mining the
volume of overburden uncovered was 3.531.342 Bcm and coal was 860.745 tons.
In the third year of mining the volume of overburden uncovered was 3.427.688 Bcm
and coal was 879.663 tonnes. and in mining in the last year the volume of
overburden uncovered was 865.238 Bcm and coal was 324.643 tons = PT. Borneo Alam Semesta merupakan perusahaan swasta nasional yang
bergerak dibidang kontraktor penambangan batubara di PT. Binuang Mitra
Bersama yang terletak didesa budimulya, kecamatan lokpaikat, kabupaten tapin,
provinsi kalimantan selatan. PT. Binuang Mitra Bersama selaku owner memiliki
izin usaha penambangan (IUP) Operasi produksi seluas 537,48 Ha. PT. Binuang
Mitra Bersama membutuhkan target produksi pertahun sebesar ± 850.000 ton
dengan rata – rata stripping ratio ± 4:1 sesuai target yang telah ditetapkan.
Berdasarkan rancangan kemajuan tambang pertahun yang telah dibuat dan
dari hasil perhitungan volume di pit maka di dapat estimasi umur tambang pit bmb
block 01 yaitu adalah 3 tahun 4 bulan dengan rata- rata jumlah alat gali muat
pertahun sebesar ± 6 units . Pada penambangan tahun pertama volume overburden
yang terbongkar sebesar 3.547.795 Bcm dan batubara sebesar 857.301 Ton. Pada
penambangan tahun kedua volume overburden yang terbongkar sebesar 3.531.342
Bcm dan batubara sebesar 860.745 Ton. Pada penambangan tahun ketiga volume
overburden yang terbongkar sebesar 3.427.688 Bcm dan batubara sebesar 879.663
Ton. dan pada penambangan didalam tahun terakhir volume overburden yang
terbongkar sebesar 865.238 Bcm dan batubara sebesar 324.643 Ton.

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