Quality Induction (Coal Mining in Pit)2
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REFRESHQUALITY INDUCTION
by Geologist Technician
1208 Clic
k to b
uyNO
W!
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Aturan Penambangan batubara
1. Mine able seam dengan ketebalan lebihdari 50 cm
2. Parting kurang dari 10 cm ditambangbersama dengan coal body
3. Parting lebih dari 10 cm dibuang &dipisahkan dari coal body
4. Menambang 10 cm Roof and Floor5. Stock di ROM sesuai dengan seamnya
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Urutan menambang batubara
Identifikasi batubaraExpose batubara
Membersihkan batubaraMenambang roof batubaraMenambang body batubaraMenambang floor batubara
Direct hauling or ROM
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Identifikasi BatubaraContoh :
Peta isopach/Ketebalanbatubara dari Geos
Expose coal linedengan PC 330
atau Dozer
ISOPACH_SU1_JELAMU
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Expose Batubaral Expose batubara dengan Liebherr (Big Digger) atau dengan PC 1250
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Membersihkan Batubara
l Membersihkan batubara dengan excavator coal bucket/cutting
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Menambang roof batubaraCl
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OW!
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Menambang bodybatubara
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Menambangbatubara
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Menambang floorbatubara
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Stock batubara di ROM
Dampak akibat overdig
Stock batubara di ROM Click
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9.737.7417.47ROM 1 GSSL120 NOV 08
7.386.2013.58ROM P ATSSL220 NOV 08
7.855.3013.15B23 ATSSL314 NOV 08
12.9715.3728.34ROM 1 GSSU1210 NOV 08
12.8812.1225.00ROM 1 ABISU1210 NOV 08
5.386.0711.45ROM 3 ATRSL27 NOV 08
7.3913.0120.40ROM 1 GSSM126 NOV 08
6.5913.2719.86ROM 1 ABISM125 NOV 08
4.403.527.92PIT 8 ROM AEU21 NOV 08
VARIANCEASH MODELHASIL ASHPITSEAMTGL
Berdasarkan reconcile quality, koefisien dilusi yang disepakati untuk pit :Kintap : 1.5 % dan Bukit 2.23%
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