PT Bara Anugrah Sejahtera (BAS), a coal mining company located in Muara Enim, South Sumatra, is currently facing a major challenge due to limited disposal land, which has led to temporary dumping and material rehandling activities in the northern Sump area. One of the best solutions considered is a void-sharing collaboration with PT Prima Mulia Sarana Sejahtera (PMSS). However, due to the consiā¦