Estimasi Kelayakan Penambangan Bijih Timah Blok Kemingking, Desa Kemingking, Kecamatan Sungai Selan PT Mitra Stania Prima

Tin Ore Mining Feasibility Estimation Block Kemingking, Kemingking Village, District Sungai Selan PT Mitra Stania Prima

Abstract

The mining industry is in need of a good planning so that the planned production targets can be
achieved at minimum cost and revenue optimally, and can generate cash flow that will maximize
revenue each year over the life of the mine took place. Tin ore mining economic studies based on
the technical design data, so that the determination of the cost will be considered by the company.
Components of the economic study of tin ore mining in terms of costing, revenue from the sale of
products, the calculation of cash flow, net present value, internal rate of return, payback period,
sensitive analysis. Based on the results of studies on tin ore mine PT Mitra Stania Prima Block
Kemingking acquired total reserves of tin ore amounted to 2.801,531 tons, by applying the method of
mining Open Pit Mining. From the economic feasibility calculations assuming the bank rate of 12%
was obtained net present value of Rp 11.810.941.184.00, internal rate of return of 19.04%, and a
payback period of 4.78 months for 2 years. Based on these results the project of PT Mitra Stania
Prima Block Kemingking feasible to continue.