Optimalisasi Pit Anggrek Blok IUP 199 Ha PT. Ang and Fang Brother Kabupaten Morowali Provinsi Sulawesi Tengah
OPTIMIZATION OF PIT ANGGREK BLOCK IUP 199 Ha PT. ANG AND FANG BROTHER MOROWALI COUNTY CENTRAL SULAWESI
Keywords:
PIT Optimization, Lerch Grissman, Reserve, Resource, nickelAbstract
The optimization of a pit to be mined, this is useful for reducing costs and avoiding taking too much waste. Pit optimization has become an important part that must be done when experiencing difficulties so as to help identify the most optimal resources or reserves. Pit limit optimization is processed using the Learchs-Grossman method. The results showed that the calculation of reserves according to the optimization of Learch Grossman obtained ore tonnage of 487,687 tons with a content of 1.71% and a stripping ratio value of 1.37: 1. The making of the pit level is carried out by paying attention to the safety factor value (FK) of 1.9 resulting in a pit opening area of 5.9 ha. Based on these parameters, the amount of reserves in the pit limit optimization according to the Lerch Grossman algorithm was 487,687 tons of ore and waste of 668,560 tons.
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Copyright (c) 2024 Madu Arum, Deniyatno Deniyatno, Marwan Zam Mili, Abdul Hadid Ulfa
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