PT Pamapersada Nusantara is one of the contractor companies that handles the work area in PT Bukit Asam Tbk. and actively carry out explosive activities to help the mining process. The explosions carried out at the Townsite Basecamp (TSBC) pit are considered to be still not optimal, especially in the bottom area. It is marked by a boulder percentage > 100 cm and the digging time of the Komatsu …