PT. Muara Alam Sejahtera a company that operates in the coal field and located at lahat district. Accourding to increase production a new stockpile being built which is located on the Jepang road Waygandus, Tanjung Baru, South Sumatra, in order to increase of coal shipping to consumers. The construction of a stockpile certainly requires large funds and high risk, therefore an economic analysis …