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PT. BHAKTI ENERGI PERSADA MineScape Training
Page 1 of 37
Created by Fajar Herdian Akhzan
Minescape Reserving and
Scheduling Manual
1. Minescape Open Cut Coal
1.1. Minescape blocking
1.2. Projection solid with batter slope for reserves calculation
1.3. Projection solid
1.4. Reserves calculation
2. Excel or CSV Database
2.1. Create reserves database in Excel or CSV file
2.2. Create polygon database in Excel or CSV file
2.3. Scheduling
PT. BHAKTI ENERGI PERSADA MineScape Training
Page 2 of 37
Created by Fajar Herdian Akhzan
Minescape Open Cut Coal
1.1. Minescape blocking
1. Buatlah poligon pit shell (batas-batas pit).
Open write design file blocks.
Create layer untuk rancangan pit baru: Pit00
Klik kanan
Click
Click
Click
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Attach design file subcrop lapisan batubara: subcrp_floor_update, layer SEAM1.
Click
Click
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Untuk latihan, buatlah poligon pit shell pada daerah subcrop seam 1 dengan ukuran
kira-kira 3×2 km.
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Tekan Ctrl+G untuk memunculkan grid.
Grid akan berguna sebagai alat bantu dalam menentukan ukuran pit shell.
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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2. Berikan tag design segment pada pit shell dengan memilih menu Strip Design>Tag Design
Segments…
3. Buat side definition dengan mengklik kanan bagian Side Definition lalu pilih Create,,,.
±2 km
±3 km
Click
Klik kanan
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Contoh beberapa Side Definition:
Side Definitions:
HW63
Angles
If (label == „coal‟) then
70
else
63
endif
Offset
If range(level, totroof+3, topo-1) then
if range(level,-29.5,-30.5) then
5
elseif range(level,-9.5,-10.5) then
10
elseif range(level, 10.5,9.5) then
5
elseif range(level,30.5,29.5) then
10
elseif range(level,50.5,49.5) then
5
elseif range(level,70.5,69.5) then
10
else
0
endif
else
0
endif
ILLEG_HW
Angles
70
Offset
0
VERTICAL
Angles
90
Offset
0
PT. BHAKTI ENERGI PERSADA MineScape Training
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Created by Fajar Herdian Akhzan
Kemudian double click pit shell.
Click
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Created by Fajar Herdian Akhzan
4. Buatlah tiga layer baru, yaitu untuk batter block (BB), batter block intersection
(BB_Intersect) dan solid (BB_Solid).
Lalu buat start line dan end line-nya.
Klik kanan
Click
Click
Click
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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5. Buka menu Strip Design>Generate Strips…
Start line
(garis dekat
subcrop)
End line Pit shell
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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6. Buat batter strip dengan cara yang sama tetapi dengan start line parallel terhadap highwall
dan dengan interior strips = vertikal.
Start line
End line Pit shell
PT. BHAKTI ENERGI PERSADA MineScape Training
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Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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7. Buatlah perpotongan antar strip dengan block strip dengan memilih menu Strip
Design>Strip Intersection…
Sembunyikan semua layer kecuali layer BB_intersect.
Click
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Click
Click
Click
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8. Gabungkan batter block yang berukuran kecil dengan batter block lain yang berada di
dekatnya. Buka Minescape Explorer, User Commands – bbmerge.
Pilih batter block yang pertama.
Double click
Double click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Pilih batter block yang ke-dua.
Masukkan nama batter block yang telah dimerger (pilih nama batter block pertama).
Double click
Click
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Hapus batter block ke-dua.
Click + [delete]
PT. BHAKTI ENERGI PERSADA MineScape Training
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1.2. Projection Solid with Batter Slope for Reserves Calculation
1. Buka menu Strip Design>Project Solids…
2. Masukkan nama batter block dalam kolom Block Names.
3. Masukkan nama layer BB_Solid.
4. Buatlah atau sunting pit projection rules dengan meng-klik kanan bagian Pit Projection Rules.
Projection rule harus dibuat sesuai hasil kajian kestabilan lereng.
PT. BHAKTI ENERGI PERSADA MineScape Training
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Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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1.4. Reserves calculation
1. Pilih menu Reserves>Sample>Solids…
PT. BHAKTI ENERGI PERSADA MineScape Training
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Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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2. Pilih menu Reserves>Evaluate Samples>Mining Reserves…
Click
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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3. Pilih menu Reserves>Accumulate Samples…
4. Pilih menu Reserves>Reformat Samples>Block…
Click
Click
Click
Click
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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PT. BHAKTI ENERGI PERSADA MineScape Training
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Click
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Excel or CSV Database
2.1. Create reserves database in Excel or CSV file
1. Ekspor file tab_ressol4 ke dalam format Excel.
1-Click
2-Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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2.2. Create polygon database in Excel or CSV file
1. Buka file xls_ressol4.
2. Buat dua kolom baru, yaitu kolom OB dan COAL.
OB = TOTALVOLUME – GROUP1_VOLUME COAL = TOTALRRMASS
PT. BHAKTI ENERGI PERSADA MineScape Training
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Created by Fajar Herdian Akhzan
3. Buat pivot table dari semua data tersebut.
Pilih semua cell (tekan Ctrl+A)
Pilih menu Insert>PivotTabel.
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Created by Fajar Herdian Akhzan
Click
Drag
Drag
PT. BHAKTI ENERGI PERSADA MineScape Training
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Drag
Drag
“Values”
PT. BHAKTI ENERGI PERSADA MineScape Training
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Urutkan kolom A mulai dari level yang paling tinggi (misal: P90, P80, P70, …, P00,
M10, M20, dst.).
5. Untuk mempermudah penyuntingan, pivot table harus di-copy ke sheet lain
Pilih semua cell (tekan Ctrl+A)
PT. BHAKTI ENERGI PERSADA MineScape Training
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Copy semua cell (tekan Ctrl+C).
Pindah ke sheet baru, lalu pilih Paste>Paste Values.
PT. BHAKTI ENERGI PERSADA MineScape Training
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Hapus baris-baris yang kosong yang menjadi pemisah antar level (misal antara P90
dengan P80)
Lakukan formatting seperlunya (lihat gambar berikut).
Click
PT. BHAKTI ENERGI PERSADA MineScape Training
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Lantai batubara (hitam)
Permukaan topografi
(hijau)
PT. BHAKTI ENERGI PERSADA MineScape Training
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Created by Fajar Herdian Akhzan
Nama tiap solid menunjukkan lokasi blok penambangan.
2.3. Scheduling
Blok SOL002_xxx
Blok SOL003_xxx
Dan seterusnya…