MUKTY, TEGAR PANDHU (2014) RANCANGAN TEKNIS BLOK PENAMBANGAN BIJIH BAUKSIT DENGAN PENYAJIAN VIRTUAL REALITY DI PT BORNEO EDO INTERNATIONAL (PT BEI) KAB. LANDAK, PROV. KALIMANTAN BARAT. Other thesis, UPN "Veteran" Yogyakarta.
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Abstract
PT Borneo Edo International (PT BEI) adalah perusahaan pertambangan yang
memiliki wilayah IUP Eksplorasi Sebadu seluas 20.000Ha, berlokasi di Kecamatan
Menjalin, Sompak, Sengah Temila, Sebangki, dan Mandor, Kabupaten Landak,
Provinsi Kalimantan Barat. Penelitian ini dilakukan karena PT BEI belum memiliki
rancangan teknis penambangan bijih Bauksit untuk memenuhi target produksi
washed Bauksit (Wbx) sebesar 2.700.000ton/tahun dan bagaimana membahasakan
rancangan teknis penambangan tersebut dalam suatu tampilan yang mudah dipahami.
Berdasarkan hasil kegiatan eksplorasi dengan test pit didapatkan 67
persebaran endapan bijih Bauksit di lokasi penelitian yaitu blok Sebadu Utara
(2.000Ha). Endapan bijih Bauksit tersebut memiliki kualitas kadar Al2O3 antara
36,03%-44,35%, SiO2 2,3-6,74%, dan Fe2O3 4,19%-13,77%. Penaksiran cadangan
yang dilakukan menghasilkan total cadangan bijih Bauksit sebesar 30,46 juta ton
dengan cut off grade (COG) Al2O3 36% dan total stripping ratio (SR) 0,61:1.
Metode penambangan yang digunakan adalah open cast secara selektif
dengan rekomendasi geometri lerengnya adalah tinggi jenjang tunggal 5m, lebar
jenjang minimal 8m, dan kemiringan jenjang tunggal 60o. Berdasarkan perhitungan
dimensi jalan diperoleh lebar jalan angkut adalah 12m untuk jalan lurus dengan nilai
cross slope 1,72° dan 24m untuk jalan tikungan dengan nilai superelevasi
0,0395m/m. Rencana penjadwalan produksi bijih Bauksit dan overburden pada
daerah penelitian dilakukan pertahun (1 tahun) selama 5 tahun:
a. Tahun 1 produksi washed Bauksit (Wbx) 2.717.290,12ton, pengupasan
overburden 5.362.967,22BCM, kadar rata-rata Al2O3 40,17%, SiO2 4,36%, dan
Fe2O3 9,8%, dengan COG Al2O3 36,2%.
b. Tahun 2 produksi washed Bauksit (Wbx) 2.760.033,85ton, pengupasan
overburden 4.206.989,61BCM, kadar rata-rata Al2O3 39,88%, SiO2 3,92%, dan
Fe2O3 9,67%, dengan COG Al2O3 36,03%.
c. Tahun 3 produksi washed Bauksit (Wbx) 2.770.708,75ton, pengupasan
overburden 3.794.629,37BCM, kadar rata-rata Al2O3 38,25%, SiO2 4,26%, dan
Fe2O3 8,02%, dengan COG Al2O3 36,34%.
d. Tahun 4 produksi washed Bauksit (Wbx) 2.680.782,12ton, pengupasan
overburden 3.440.801,72BCM, kadar rata-rata Al2O3 38,81%, SiO2 4,47%, dan
Fe2O3 8,55%, dengan COG Al2O3 36,65%.
e. Tahun 5 produksi washed Bauksit (Wbx) 1.096.547,87ton, pengupasan
overburden 1.894.408,60BCM, kadar rata-rata Al2O3 37,23%, SiO2 4,49%, dan
Fe2O3 6,94%, dengan COG Al2O3 36,04%.
Dalam kegiatan penambangan direncanakan menggunakan 7 unit bulldozer
Komatsu D85EX-15 untuk alat gusur, 8 unit excavator Komatsu PC 300 LC-8 untuk
alat gali dan muat serta 29 unit Articulated Dump Truck Volvo A35E untuk alat
angkut. Dalam membahasakan rancangan teknis penambangan bijih Bauksit agar
lebih mudah dipahami, maka dihasilkan video virtual reality.
PT Borneo Edo International (PT BEI) is a mining company that has an IUP
Exploration area in Sebadu approximately 20.000Ha, located in Menjalin, Sompak,
Sengah Temila, Sebangki, and Mandor sub district, Landak Regency, West Borneo
Province. This research is being conducted because PT BEI doesn’t have technical
design Bauxite ore mining plan yet in order to fulfill the production target of washed
Bauxite (Wbx) approximately 2.700.000tons/year and order to discuss technical mine
plan describes in a display that is easy to understand.
According to the exploration results with the test pit, we have gotten 67
distribution of Bauxite ore deposit in the research area of Sebadu Utara block
(2.000Ha). The Bauxite ore deposits have quality grades between 36,03%-44,35% of
Al2O3, 2,3%-6,74% of SiO2, and 4,19%-13,77% of Fe2O3. Valuation of the reserves
which do generate a total of Bauxite ore reserves 30,46 million tons with a cut off
grade (COG) 36% Al2O3 and total of stripping ratio (SR) by 0,61: 1.
The mining method that being used is the selective open cast mining with a
bench height of 5m, a minimum bench width is 8m, a single slope angel 60°. Based
on the calculation of the hauling road, we have got 12m for the width of the straight
road with the value cross slope 1,72° and 24m for the width of the curve road with
the value superelevation 0,0395m/m. The production scheduling plan of Bauxite ore
and overburden in the research conducted annually (1 year) for the 5 years:
a. First year, with the washed Bauxite (Wbx) production approximately
2.717.290,12tons, overburden stripping by 5.362.967, 22BCM, average grades of
Al2O3 40,17%, 4,36% of SiO2 and 9,8% of Fe2O3, with COG 36,2% of Al2O3.
b. Second year, with the washed Bauxite (Wbx) production approximately
2.760.033,85tons, overburden stripping by 4.206.989,61BCM, average grades of
Al2O3 39,88%, 3,92% of SiO2, and 9,67% of Fe2O3, with COG 36,03% of Al2O3.
c. Third year, with the washed Bauxite (Wbx) production approximately
2.770.708,75tons, overburden stripping by 3.794.629,37BCM, average grades of
Al2O3 38,25%, 4,26% of SiO2, and 8,02% of Fe2O3, with COG 36,34% of Al2O3.
d. Fourth year, with the washed Bauxite (Wbx) production approximately
2.680.782,12tons, overburden stripping by 3.440.801,72BCM, average grades of
Al2O3 38,81%, 4,47% of SiO2, and 8,55% of Fe2O3, with COG 36,65% of Al2O3.
e. Fifth year, with the washed Bauxite (Wbx) production approximately
1.096.547,87tons, overburden stripping by 1.894.408,60BCM, average grades of
Al2O3 37,23%, 4,49% of SiO2, and 6,94% of Fe2O3, with COG 36,04% of Al2O3.
The mining activity is being planned using 7 units of Komatsu D 85 EX-15
bulldozer, 8 units of Komatsu PC LC 300-8 excavator and 29 units of Volvo A35E
Articulated Dump Truck. In explaining the mining technical design Bauxite ore to be
more easily understood, then the generated virtual reality video.
| Item Type: | Thesis (Other) |
|---|---|
| Subjek: | T Technology > TN Mining engineering. Metallurgy |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Suprapti |
| Date Deposited: | 19 May 2016 08:23 |
| Last Modified: | 19 May 2016 08:23 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/1737 |
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