PT. Bukit Asam, Tbk (PTBA) plans to carry out finalization activities on Pit 1 East and North. However, in the implementation of the East and North Pit 1 finalization activities there was an obstacle, namely the final design locations for East and North Pit 1 which based on the RKAP there were still 4 (four) sump that flooded, that is sump north, sump middle, sump south, and sump east so a drai…