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All Journal juremi: jurnal riset ekonomi Jurnal Ilmiah Teknik dan Sains (JITS)
Kemas Moh Ade Isnaeni
Politeknik Akamigas Palembang
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Economics, Econometrics & Finance Engineering Mechanical Engineering

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KAJIAN EKONOMI MENGGUNAKAN METODE DISCOUNTED CASH FLOW PADA PENAMBANGAN BATUBARA DI PIT A PT XYZ Sri Hartati; Kemas Moh Ade Isnaeni
Juremi: Jurnal Riset Ekonomi Vol. 2 No. 4: Januari 2023
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Companies engaged in the coal mining industry are one of the capital-intensive and high-risk industries. Pit A of PT XYZ which is located in the Mekar Jadi Village area, Kec. Sungai Lilin, Kab. Musi Banyuasin, South Sumatra is one of the actors from the coal mining industry that will conduct a feasibility study. The company will reopen mining in Pit A with the current condition of increasing coal prices, because the Pit is still considered economical in accordance with current coal prices. Discounted Cash Flow (DCF) is a cash flow calculation method that takes into account the time value of money where the money invested at this time will be different in value in the future. With the current selling price of coal, the revenue is 999,847,284 USD/ton with total reserves of 43,436,214 tons. The costs incurred consisted of operating costs of 974,706,736 USD and depreciation of 1,114,983 USD, so the total costs incurred were 480,081,316 USD. The initial investment cost is 1,114,983 USD which depreciates annually. Depreciation in 2023 worth USD 124,436 per year which is valid for 5 years with a total of USD 627,178 and in 2024 doing jetty construction with a value of USD 97,561 per year which is valid for 5 years with a total of USD 487,805 subject to 25% tax. Based on the calculation of the Discounted Cash Flow (DCF) obtained for 3,933,706 USD with a WACC value of 10% and a Net Present Value (NPV) of 2,818,723 USD. An NPV value greater than 0 means that the project will benefit (profit) if it is executed. Based on the calculations in this study that in Pit A PT located in Mekar Jadi Village, Kec. Sungai Lilin, Kab. Musi Banyuasin, South Sumatra deserves to be re-mined because the NPV obtained is greater than 0 which is 2,818,723 USD
Pemodelan Desain Pit Pada Bulan Juni 2023 Dengan Menggunakan Software Minescape 5.7 Di PT Cahaya Riau Mandiri Site Duta Alam Sumatra, Kabupaten Lahat, Provinsi Sumatra Selatan Mirza Adiwarman; Roby Cahyadi; Yusuf Yusuf; Kemas Moh Ade Isnaeni
Jurnal Ilmiah Teknik dan Sains Vol. 1 No. 3 (2024): April : Jurnal Ilmiah Teknik dan Sains (JITS)
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat AKIPBA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62278/jits.v1i3.28

Abstract

Pemodelan desain Pit bulanan di PT Cahaya Riau Mandiri merupakan salah satu kegiatan jangka pendek. Data yang perlu dipersiapkan dalam pembuatan desain yaitu peta topografi situasi terbaru, kontur struktur batubara dan parameter teknis dalam pembuatan pit, desain pit dibuat pada bulan Juni 2023. Penelitian ini bertujuan untuk membuat pemodelan desain pit berdasarkan parameter geometri lereng yang sudah ditetapkan oleh perusahan dan menghitung Volume Batubara dan Overburden dari desain pit dengan menggunakan software minescape 5.7. dengan produk open cut. Dalam pembuatan model desain Pit bulanan di PT Cahaya Riau Mandiri menggunakan software minescape 5.7 dengan produk open cut. Hasil perhitungan desain pit bulan Juni didapatkan luas area sebesar 5,3 Ha dengan bottom pit berada di elevasi ± 30 Mdpl dengan top pit berada pada elevasi ± 90 volume dari desain pit yang di buat pada bulan juni didapatkan overburden sebesar 411.774 bcm dan 80.592 ton untuk batubara dengan nilai stripping ratio (SR) sebesar 5:1 dengan slop banch 45°.
Co-Authors Mirza Adiwarman roby cahyadi Sri Hartati Yusuf Yusuf