The Life of Mine (LOM) Pit 1A design of PT Multi Service Mining underwent modifications due to a boundary with PT Anugrah Cofindo Indonesia, reducing the mining area from 57.598 ha to 50.094 ha. This resulted in a decrease in overburden reserves (from 10,745,290.68 BCM to 9,489,031.26 BCM) and coal (from 3,182,393.99 Tons to 2,769,738.83 Tons). Operations using 7 fleets yield an annual capacity…