Pert-7 Analisis Biaya Finansial

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Transcript of Pert-7 Analisis Biaya Finansial

  • Sebelum mengambil keputusan untuk melakukan investasi, selain melakukan tinjauan dari segi teknis, salah satu syarat terpenting adalah mengkaji aspek finansial dan keekonomian. Sebelum dilakukan investasi, perlu dilakukan estimasi pengeluaran dan penerimaan keuangan selama umur proyek (pabrik) yang merupakan aliran kas keuangan perusahaan (future cash flow). Aliran keuangan tersebut akan dipakai sebagai acuan dalam menilai kelayakan proyek investasi dari aspek keekonomiannya.

  • Hal-hal yang dilakukan dalam analisis keuangan meliputi:Menghitung Biaya Modal Investasi (CAPEX) dan Modal KerjaMenghitung Biaya Operasi (OPEX)Menghitung Proyeksi PendapatanMembuat Model Aliran Dana (Cash Flow Model)Menentukan Kriteria Keekonomian suatu proyekNilai Sekarang Bersih (Net Present Value = NPV)Laju Pengembalian Internal (Internal Rate of Return/IRR)Periode Pengembalian (Payback Period)Melakukan Analisis Kepekaan (Sensitivity Analysis)

  • Biaya investasi adalah biaya-biaya untuk investasi peralatan-peralatan utama dan peralatan-peralatan pendukung, biaya investasi untuk kegiatan pengembangan (FS, Basic Design), investasi untuk penggantian (replacement), infrastruktur, utilities dan lain-lain.Biaya Modal Kerja (Working Capital) adalah biaya yang harus disediakan untuk memenuhi kebutuhan biaya produksi sampai dengan suatu waktu dimana perusahaan bisa memperoleh pendapatan dari hasil penjualan produk yang dapat digunakan untuk membiayai produksinya.Sumber dana bisa dari hutang/pinjaman dari bank dan modal sendiri (equitas).

  • Secara umum basis untuk mengestimasi capital expenditure (CAPEX) adalah biaya-biaya yang harus dikeluarkan untuk:Pembelian peralatan dan pemasangannyaInstrumentasi dan kontrolPerpipaan (piping) Peralatan-peralatan listrikGedung Fasilitas-fasilitas servis seperti water treatment plant, dst.Peralatan-peralatan yang bergerak (mobile equipments)Infrastruktur seperti fasilitas pelabuhan, bandara, jalan, fasilitas akomodasi.

  • Untuk perusahaan tambang yang mempunyai pabrik pengolahan (ekstraksi), komponen CAPEX dapat diklasifikasikan menjadi biaya-biaya yang harus dikeluarkan untuk:Tambang, Ore Beneficiation/Ore Preparation/Ore DressingProcess PlantPabrik pendukung (supporting plant), seperti acid plant, steam plant, O2 plant, calcination plant, H2S plantUtilitas dan servis: air, minyak, compressed air, uap airInfrastruktur

  • Pressure leach circuit (autoclave and its supporting equipments)Autoclave seal water cooling system Distribution piping Autoclave discharge neutralization CCD circuit CCD overflow and neutralization PLS (Pregnant Leach Solution) storage pond Tailings neutralization Hydroxide/sulfide/carbonate precipitation circuit Tailings pumping Tailing disposal facilities

  • Kapasitas produksi: 37.000 nikel dalam MSP (Mixed Sulphide Precipitate)

    AreaMillion USD 2-autoclave HPAL process plant383Ancillary process units206Water, services and utilities148Process plant infrastructure46General infrastructure69Temporary construction facilities62Other project costs174Mining, owner costs30Total Project Cost, excl contingency1,118Contingency (25%)280Total Project Cost1,398 1.4 bn USD

  • Acid Plant A$ 170 mPower Plant A$ 64 mBorefield Development A$ 80 mHeap Leach Pads & Ponds A$ 66 mProcessing Plant A$ 255 mEPCM, temp camp & owner costs A$ 86 mContingencies A$ 144 m

    Total A$ 865 m

  • Biaya Operasi (operating expenditure) adalah besarnya dana yang harus dikeluarkan untuk membiayai semua kegiatan operasi hingga produk siap untuk dijual.Basis untuk menentukan biaya operasi (operating cost) adalah biaya-biaya yang harus dikeluarkan untuk:

    Bahan habis (consumables seperti reduktor, asam sulfat, limestone, flokulan dan termasuk bahan bakar/fuels)Labour (managers, engineers, operators, administration, services) Maintenance cost Mining cost Product transportation Fixed charges such as taxes, depreciation, insuranceOffice cost such as communication Sales and marketing expenses Environmental management Community development Research and development

  • Cost elementsMillion USD per yearMining and transportation75.3Processing78.3Utilities and infrastructure23.6Administration and general14.4Total Cost191.6USD/lb Ni2.36

  • Perhitungan proyeksi pendapatan (revenue) adalah perkiraan dana yang masuk atau diterima dari hasil penjualan produk atau pendapatan yang diperoleh dari biaya pengolahan dan pemurnian (treatment cost, refining cost = TCRC)Skema pendapatan

    Buying scheme: Bahan baku yang diolah dibeli dan pendapatan diperoleh dari penjualan produk. Pembelian bahan baku dikenai pajak pertambahan nilai (PPn)Tolling scheme: Pendapatan diperoleh dari biaya untuk pengolahan dan pemurnian (TCRC) dan pendapatan yang diperoleh dari selisih recoveri yang dapat diperoleh pabrik pengolah dan recoveri yang disepakati (digunakan di pasar)

  • Suatu pabrik pengolahan lumpur anoda (dari pabrik electrorefining tembaga) mempunyai data-data sebagai berikut:

    Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryTreatment and Refining Costs (TCRC)Price 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionWeightMarketTechnicalMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201020112,0122,0132,0142,0152,0162,0172,0182,0192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag to slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.2312,640,1100%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23IRR15.71%-10%9,310,81913.97%11.43

    PBP8.46

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

  • Dengan MEKANISME TOLLING, pendapatan perusahaan akan berasal dari:

    Treatment cost-refining cost (TCRC)Pendapatan dari selisih recoveri teknis pabrik dan recoveri pasar yang disepakati (market recovery)

    1. Treatment costPendapatan dari Treatment Cost (USD/yr), = Treatment Cost (USD/ton) x Berat Kering Slime (tpy) = 100 USD/ton x 1,800 ton/yr = 180,000 USD/yr

  • Refining Cost Au (USD/kg) = = 128.6 USD/kg

    Pendapatan dari Refining Cost Au (USD /yr) = Refining Cost Au (USD/kg) x Berat Au (tpy) x 1000 x Recovery Market Au= 128.6 USD/kg x 20.7 tpy x 1000 x 99%= 2,635,459 USD/yr

  • Refining Cost Ag (USD/kg) = = 9.65 USD/kgPendapatan dari Refining Cost Ag (USD /yr), = Refining Cost Ag (USD/kg) x Berat Ag (tpy) x 1000 x Recovery Market Ag = 9.65 USD/kg x 63.698 tpy x 1000 x 99% = 608,241 USD/yrRefining Cost Pt (USD/kg) = = 643.01 USD/kgPendapatan dari Refining Cost Pt (USD /yr), = Refining Cost Pt (USD/kg) x Berat Pt (kg/yr) x Recovery Market Pt = 643.01 USD/kg x 23.4 kg/yr x 80% = 12,037 USD/yr

  • Refining Cost Pd (USD/kg),=

    Pendapatan dari Refining Cost Pd (USD /yr),

    = Refining Cost Pd (USD/kg) x Berat Pd (kg/yr) x Recovery Market Pd= 225.06 USD/kg x 140.4 kg/yr x 80%= 25,278 USD/yr

  • Refining Cost Se (USD/kg),

    =

    Pendapatan dari Refining Cost Se (USD /yr), = Refining Cost Se (USD/kg) x Berat Se (tpy) x 1000 x Recovery Market = 17.64 USD/kg x 117.36 tpy x 1000 x 65% = 1,345,418 USD/yr

  • Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201020112,0122,0132,0142,0152,0162,0172,0182,0192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.2312,640,1100%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23IRR15.71%-10%9,310,81913.97%11.43

    PBP8.46

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

  • Pendapatan dari selisih technical recovery dan market recoveryAu, Ag, Pt, Pd dan Se . Pendapatan Pb dan Ag yang masuk ke dalam slag diperkirakan sebesar 90 % untuk Pb dan 81 % Ag setelah dikurangi biaya-biaya pengolahan slag.a. Recovery Au = Berat Au (tpy) x 1000 x (%recoveri teknik Au - %recoveri market Au)= 20.7 tpy x 1000 x (99.557 % - 99.0 %) = 115.3 kg/yr == 3,706.95 oz/yr Yearly Revenue Au = Recovery Au (oz/yr) x Harga Au (USD/oz),= 3,706.95 oz/yr x 727.5 USD/oz = 2,696,803 USD/yr

  • b. Recovery Ag = Berat Ag (tpy) x 1000 x (%recoveri teknik Ag - %recoveri market Ag) = 63.698 tpy x 1000 x (87.007 % - 99 %) = (-7639.35) kg/yr = = (-245,610.59) oz/yr

    Yearly Revenue Ag,

    = Recovery Ag (oz/yr) x Harga Ag (USD/oz) = (-245,610.59) oz/yr x 11.66 USD/oz = (-2,863,820) USD/yr

  • c.Recovery Pt = Berat Pt (kg/yr) x (%recoveri teknik Pt - %recoveri market Pt)= 23.4 kg/yr x (95 % - 80 %) = 3.51 kg/yr = = 112.85 oz/yr

    Yearly Revenue dari Pt = Recovery Pt (oz/yr) x Harga Pt (USD/oz)

    = 112.85 oz/yr x 900 USD/oz = 101,564 USD/yr

  • d.Recovery Pd = Berat Pd (kg/yr) x (%recoveri teknik Pd - %recoveri market Pd)= 140.4 kg/yr x (95 % - 80 %) = 21.06 kg/yr == 677.09 oz/yr

    Yearly Revenue dari Pd = Recovery Pd (oz/yr) x Harga Pd (USD/oz)= 677.09 oz/yr x 450 USD/oz = 304,692 USD/yr

  • e. Recovery Se = Berat Se (tpy) x (%recoveri teknik Se - %recoveri market Se)= 177.36 tpy x 1000 x (90 % - 65 %) = 29.34 tpy Yearly Revenue dari Se = Recovery Se (tpy) x Harga Se (USD/ton)= 29.34 tpy x 60,506.4 USD/ton = 1,775,258 USD/yr f.Recovery Pb = Berat Pb (tpy) x 90 % = 990 tpy x 90 % = 891 tpy Yearly Revenue dari Pb = Recovery Pb (tpy) x Harga Pb (USD/ton)= 891 tpy x 1,550 USD/ton = 1,381,050 USD/yr

  • g. Recovery Ag dalam slag = Berat Ag dalam slag (tpy) x 1000 x 81 % = 8276 tpy x 1000 x 81 % = 6703.56 kg/yr = = 215,524.30 oz/yrCatatan: Ag dalam slag direcover kembaliYearly Revenue dari Ag = Recovery Ag (tpy) x Harga Ag (USD/ton)= 215,524.30 oz/yr x 11.66 USD/ton = 2,513,013 USD/yr

  • Total Revenue = Total Revenue TCRC + Total Revenue Recovery = USD 4,806,433 + USD 5,908,561 = USD 10,714,994

    Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201020112,0122,0132,0142,0152,0162,0172,0182,0192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue dari Selisih Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.2312,640,1100%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23IRR15.71%-10%9,310,81913.97%11.43

    PBP8.46

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

  • Analisis cash flow merupakan analisis yang berhubungan dengan pendapatan atau keuntungan yang ditimbulkan karena adanya pembelanjaan dan atau investasi. Apabila analisis cash flow memperhitungkan nilai waktu dari uang maka disebut dengan Discounted Cash Flow (DCF). Cash flow biasanya dihitung dengan basis perhitungan tahun dengan tujuan evaluasi, yang ditentukan melalui pengurangan cash outflow dari cash inflow yang dihasilkan dari kegiatan investasi.

  • Untuk menghitung aliran dana, diperlukan data-data mengenai:

    Biaya investasiBiaya operasiKeuntungan bersih (net profit)DepresiasiBiaya revitalisasi

  • Biaya pembelian tanah = IDR 30,800,000,000 = USD 3,080,000Biaya bangunan = IDR 35,200,000,000 = USD 3,520,000Biaya infrastruktur pabrik = IDR 165,000,000,000 = USD 16,500,000 Pembangunan infrastruktur pabrik akan dilakukan pada tahun 2010 dan 2011. Sehingga biaya infrastruktur pabrik pada tahun 2010 dan 2011 = 50% x USD 16,500,000 = USD 8,250,000.

  • Biaya revitalisasi bangunan dan infrastruktur pabrik akan dikeluarkan setelah 10 tahun yaitu pada tahun 2021 sebesar 40% x (biaya bangunan + biaya infrastruktur pabrik) = 40% x (USD 3,520,000 + USD 16,500,000) = USD 8,008,000.

    Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201020112,0122,0132,0142,0152,0162,0172,0182,0192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.2312,640,1100%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23IRR15.71%-10%9,310,81913.97%11.43

    PBP8.46

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

  • Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201020112,0122,0132,0142,0152,0162,0172,0182,0192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.2312,640,1100%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23IRR15.71%-10%9,310,81913.97%11.43

    PBP8.46

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

  • Depresiasi adalah penurunan dalam nilai fisik properti seiring dengan waktu dan penggunaannya. Depresiasi merupakan biaya non-kas yang berpengaruh terhadap pajak pendapatan.Dalam konsep akuntansi, depresiasi adalah pemotongan tahunan terhadap pendapatan sebelum pajak sehingga pengaruh waktu dan penggunaan atas nilai aset dapat terwakili dalam laporan keuangan suatu perusahaan. Properti yang didepresiasi yaitu infrastruktur pabrik, gedung dan tanah. Metoda perhitungan depresiasi adalah linier (diasumsikan bahwa aset terdepresiasi setiap tahunnya selama umur pemanfaatannya).

  • Depresiasi tahun ke-n

    Umur manfaat (depreciation life) infrastruktur pabrik, gedung dan tanah yaitu selama 10 tahun dan nilai aset tersebut setelah 10 tahun dianggap tidak mempunyai nilai sisa. Sehingga;

    Depresiasi infrastruktur pabrik pada tahun 1 (2012) = = USD 1,650,000

  • Depresiasi gedung pada tahun 1 (2012)

    = = USD 352,000

    Depresiasi tanah pada tahun 1 (2012)

    = = USD 308,000

    Total depresiasi pada tahun 2012,

    = USD 1,650,000 + USD 352,000 + USD 308,000 = USD 2,310,000

  • Pada tahun ke-10 yaitu tahun 2022 pabrik direvitalisasi sehingga dapat kembali produktif untuk 10 tahun kedepan dan diasumsikan akan berhenti beroperasi pada tahun 2031.Depresiasi biaya revitalisasi pada tahun 2022 =

    = USD 800,800

    Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201220132014201520162017201820192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.2312,640,1100%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23IRR15.71%-10%9,310,81913.97%11.43

    PBP8.46

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

    Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year20122013201420152016201720182019202020212022202320242025202620272028202920302031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.2312,640,1100%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23IRR15.71%-10%9,310,81913.97%11.43

    PBP8.46

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

  • Cash flow = Net profit + Depresiasi Biaya Investasi atau Biaya RevitalisasiNet profit = Gross profit Pajak (Tax)Pajak (Tax) = Tax rate x Gross profitGross profit

    = Total Revenue - Operating Cost - DepresiasiTax Rate yang digunakan misalnya sebesar 25%.

  • a.Tahun 2010Pabrik baru mulai dibangun sehingga aliran kasnya negatif sebesar biaya investasi yang dikeluarkan yaitu USD 14,850,000. b.Tahun 2011Pabrik masih dalam tahap pembangunan. Biaya investasi yang dikeluarkan yaitu USD 8,250,000.c.Tahun 2012 tahun 2020Pabrik sudah mulai beroperasi dan memperoleh pendapatan dari revenue TCRC dan revenue recovery yaitu sebesar USD 10,714,994. Gross profit = USD 10,714,994 USD 5,347,326 (biaya operasi) USD 2,310,000 (depresiasi) = USD 3,057,668

  • Pajak (Tax) = 25% x USD 3,057,668 = USD 764,417Net profit = USD 3,057,668 - USD 764,417 = USD 2,293,251Cash flow = USD 2,293,251 + USD 2,310,000 0 (biaya revitalisasi) = USD 4,603,251 Biaya investasi hanya dikeluarkan pada saat pabrik belum beroperasi. Setelah pabrik beroperasi komponen biaya investasi berubah menjadi depresiasi seiring dengan berjalannya pabrik. Nilai depresiasi akan mengurangi Gross Profit dan mengurangi besarnya pajak pendapatan (tax) kemudian akan ditambahkan kembali ke dalam Cash flow. Sehingga nilai depresiasi hanya berpengaruh terhadap besarnya pajak pendapatan (tax) tahunan.

  • Jika analisis dilakukan dengan menggunakan nilai tukar dollar yang tetap, aliran kas tidak dieskalasi setiap tahunnya. Artinya aliran kas pada tahun 2012 sampai tahun 2020 mempunyai nilai yang sama sebesar USD 4,603,251

    d.Tahun 2021Pabrik sudah beroperasi selama 10 tahun sehingga dikeluarkan biaya revitalisasi yaitu sebesar USD 8,008,000. Cash flow = USD 2,293,251 + USD 2,310,000 USD 8,008,000 = USD -3,404,749

  • e. Tahun 2022 2031Biaya revitalisasi berubah menjadi depresiasi sebesar USD 800,800 per tahun selama 10 tahun. Sehingga aliran kas mejadi;

    Gross profit = USD 10,714,994 USD 5,347,326 USD 800,800 = USD 4,566,868Pajak (Tax) = 25% x USD 4,566,868 = USD 1,141,717Net profit = USD 4,566,868 - USD 1,141,717 = USD 3,425,151Cash flow = USD 3,425,151 + USD 800,800 0 = USD 4,225,951

  • Indikator utama yang digunakan untuk menentukan kelayakan ekonomi dalam investasi adalah NPV (Net Present Value), IRR dan Pay Back Period.

    1.Net Present Value (NPV). Investasi dianggap mempunyai kelayakan bila hasil-hasil evaluasi memberikan NPV yang positif. Present Value (PV) adalah nilai sekarang dari penerimaan (uang) yang akan didapat pada tahun mendatang. Net Present Value (NPV) adalah selisih antara penerimaan dan pengeluaran per tahun.

  • Discount Rate adalah bilangan yang dipergunakan untuk mendiscount penerimaan yang akan didapat pada tahun mendatang menjadi nilai sekarang.

    t = tahun ke-t

    Misal interest rate yang digunakan dalam perhitungan ini sebesar 8.79%.

    PV = cash flow tahun ke t x discount rate

    =

  • = USD 12,640,110

  • IRR adalah tingkat discount (discount rate / interest rate) pada saat NPV = 0. Suatu investasi dapat diterima apabila IRR lebih besar dari nilai interest rate yang ditentukan.Semakin tinggi nilai IRR maka investasi akan semakin layak (feasible). IRR dihitung dengan rumus;

    Mencari IRR dapat dilakukan dengan metode numerik hingga didapat NPV = 0.

  • PBP adalah periode waktu yang menunjukkan berapa lama dana yang diinvestasikan akan didapatkan kembali. Semakin pendek PBP maka investasi akan semakin layak.PBP merupakan nilai saat accumulative present value (NPV) menjadi positif.

    Accumulative present value thn ke t, = (PV thn ke t) + Accumulative PV thn ke (t-1)

  • Discount rate tahun ke 0 (2010) = 1PV tahun ke 0 (2010) = cash flow thn ke 0 x discount rate thn ke 0 = USD -14,850,000Accumulative PV tahun ke 0 (2010) = USD -14,850,000

  • Discount rate tahun ke 1 (2011) = 0.92PV tahun ke 1 (2011) = cash flow thn ke 1 x discount rate thn ke 1

    = USD -8,250,000 x 0.92 = USD -7,583,418Accumulative PV tahun ke 1 (2011) = (PV thn ke 1) + Accumulative PV thn ke 0

    = USD -7,583,418 + USD -14,850,000 = USD -22,433,418Discount rate tahun ke 2 (2012) = 0.84PV tahun ke 2 (2012) = cash flow thn ke 2 x discount rate thn ke 2 = USD 4,603,252 x 0.84 = USD 3,889,437

  • Accumulative PV tahun ke 2 (2012) = (PV thn ke 2) + Accumulative PV thn ke 1 = USD 3,889,437 + USD -22,433,418 = USD -18,543,980NPV = jumlah total PV tahun ke 0 sampai tahun ke 21 = USD 12,640,110IRR = 15,71%PBP = 8 + = 8 + 0.46 = 8.46 tahunFormula Excell NPV =NPV(interest rate;cash flow thn1 hingga terakhir) + cash flow thn ke 0Formula Excell IRR =IRR(cash flow thn ke 0 hingga terakhir)

  • Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201220132014201520162017201820192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3260%12,640,11015.71%8.46

    Total Revenue TCRC4,806,433USD/yrChar coal0.75tpa3,895Rp./Kg2,921,250292.13General and Administration Cost450,000(-) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800-10%6,792,11212.65%12.89

    1 ppm1gr/tonSilica170.55tpa1,579USD/ton269,298.45Tax and Retribution36,129Gross Profit3,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6693,057,6694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,8694,566,869Production Capacity10%15,663,13017.10%7.78

    1 oz31.1035gramNa2CO3646.23tpa6,351Rp./Kg4,104,206,730410,420.67Marketing Cost12,700(-) Tax764,417764,417764,417764,417764,417764,417764,417764,417764,417764,4171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7171,141,7170%12,640,11015.71%8.46

    1 lb0.454kgSub Total Kaldo Furnace Treatment1,179,370.35TOTAL5,347,326Net Profit2,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2522,293,2523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,1523,425,152-10%9,099,31013.86%11.53

    (+) Depreciation2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Capital Expenditure10%10,190,36813.94%11.45

    2Gas Cleaning & Se-Recovery(-) Investment14,850,0008,250,0000000000008,008,00000000000000%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Cash Flow(14,850,000)(8,250,000)4,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,2524,603,252(3,404,748)4,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,9524,225,952-10%14,572,07217.35%7.67

    NaOH525tpa6,527Rp./Kg3,426,675,000342,667.50Operational Expenditure10%8,956,37613.79%11.61

    SO2352.5tpa26,316Rp./Kg9,276,390,000927,639.00tahun ke-t01234567891011121314151617181920210%12,640,11015.71%8.46

    Sub Total Gas Cleaning and Se-Recovery1,270,306.50discount rate1.000.920.840.780.710.660.600.550.510.470.430.400.360.330.310.280.260.240.220.200.190.17-10%15,804,43317.17%7.75

    PV(14,850,000)(7,583,418)3,889,4373,575,1793,286,3123,020,7852,776,7122,552,3602,346,1342,156,5721,982,325(1,347,740)1,537,6481,413,4091,299,2081,194,2351,097,7441,009,048927,519852,578783,691720,371Exchange Rate10%15,476,13217.74%7.51

    3Waste Water TreatmentAccum. PV(14,850,000)(22,433,418)(18,543,980)(14,968,801)(11,682,489)(8,661,704)(5,884,992)(3,332,632)(986,498)1,170,0743,152,3991,804,6593,342,3064,755,7156,054,9247,249,1598,346,9029,355,95110,283,47011,136,04811,919,73912,640,1100%12,640,11015.71%8.46

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)-0.46-10%8,549,29313.13%12.32

    NaOH30tpa6,527Rp./Kg195,810,00019,581.00NPV12,640,110Treatment & Refining Cost10%15,451,62117.00%7.83

    Na2CO39.75tpa6,351Rp./Kg61,922,2506,192.23IRR15.71%0%12,640,11015.71%8.46

    Sub Total Waste Water Treatment25,773.23PBP8.46-10%9,310,81913.97%11.43

    4Silver Refinery (Ag = 400 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    HNO30.6335tpa400Rp./Kg253,40025.34

    H2O20.2447tpa1,000Rp./Kg244,70024.47

    Cu-Powder0.489tpa47,368Rp./Kg23,162,9522,316.30

    Steam46.53tpa18,361Rp./Kg854,337,33085,433.73

    Processed water150,000m3526Rp./m378,900,0007,890.00

    Cooling Water570,520m3526Rp./m3300,093,52030,009.35

    Sub Total Silver Refinery125,699.19

    5Gold Refinery (20 tpa)

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Process water150m3526Rp./m378,9007.89

    Hot water117m3526Rp./m361,5426.15

    Cooling Water1,500m3526Rp./m3789,00078.90

    Steam (5 Bar)42tpa18,361Rp./ton771,16277.12

    HCl (32%)26.06tpa3,368Rp./Kg87,770,0808,777.01

    NaOH (30%)65.143tpa1,961Rp./Kg127,745,42312,774.54

    Chlorine gas11.17tpa8,000Rp./Kg89,360,0008,936.00

    Sodium bisulphite9.3tpa10,000Rp./Kg93,000,0009,300.00

    Sodium formate0.186tpa3,526,316Rp./Kg655,894,77665,589.48

    Fe/Zn Powder (98%)2.33tpa5,263Rp./Kg12,263,1581,226.32

    Sub Total Gold Refinery106,773.40

    6Electricity Consumption

    DescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)

    Biaya Listrik3,400,000kwh1,053Rp./Kwh3,580,200,000358,020.00

    Sub Total Electricity Consumption358,020.00

  • Sheet1

    Kapasitas Produksi2,000tpy

    Kadar moisture10%

    Berat kering1,800tpy

    ElementFeedRecoveryRefining CostPrice 2012Revenue TCRC:Revenue Recovery:Yearly Materials ConsumptionCost TypeCost (USD)Exchange Rate10,000Rp/USDDepreciationDiscounted Cash Flow TollingTOLLING SCHEME

    CompositionBeratMarketTechnicMaterial CostRevitalize Investment40%

    Slime100USD/tonComponentRevenue Per UnitRevenue Per UnitYearly RevenueProductRecoveryRecoveryYearly RevenueProduction Capacity2,000tpa wet slimesKaldo Furnace Treatment1,179,370ComponentDepreciation LifeTotal DepreciationYearTax Rate25%Base Case Output

    Au1.15%20.700tpy99.0%99.557%4.0USD/oz727.50USD/ozTreatment cost:Au115.30Kg/yr3,706.95oz/yr2,696,803USD/yrExchange Rate10,000Rp/USDGas Cleaning & Se-Recovery1,270,307ComponentInvestment(Rupiah)Investment(USD)Year201220132014201520162017201820192,0202,0212,0222,0232,0242,0252,0262,0272,0282,0292,0302,031Interest Rate8.79%

    Ag3.5388%63.698tpy99.0%87.007%0.3USD/oz11.66USD/ozSlime100USD/ton180,000USD/yrAg(7639.35)Kg/yr(245,610.59)oz/yr(2,863,820)USD/yrWaste Water Treatment25,773201020112021Plant1016,500,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,0001,650,000NPV12,640,110

    Pt13ppm23.400Kg/yr80.0%95.000%20.0USD/oz900.00USD/ozRefining Cost:Pt3.51Kg/yr112.85oz/yr101,564USD/yr1Kaldo Furnace TreatmentSilver Refinery (Ag = 400 tpa)125,699Plant165,000,000,00016,500,00082500008250000Building103,520,000352,000352,000352,000352,000352,000352,000352,000352,000352,000352,000Description2010201120122013201420152016201720182019202020212022202320242025202620272028202920302031IRR15.71%

    Pd78ppm140.400Kg/yr80.0%95.000%7.0USD/oz450.00USD/ozGold4.0USD per oz128.60USD/kg2,635,459USD/yrPd21.06Kg/yr677.09oz/yr304,692USD/yrDescriptionYearly ConsumptionPriceUnitTotal Cost (IDR)Total Cost (USD)Gold Refinery (20 tpa)106,773Building35,200,000,0003,520,0003,520,000Land103,080,000308,000308,000308,000308,000308,000308,000308,000308,000308,000308,000Revenue:Discounted PBP8.46

    Se6.52%117.360tpy65.0%90.000%8.0USD/lb60,506.40USD/tonSilver0.3USD per oz9.65USD/kg608,241USD/yrSe29.34Ton/yr29.34oz/yr1,775,258USD/yrNatural gas318.75tpa15,487Rp./Kg4,936,481,250493,648.13Electricity Consumption358,020Land30,800,000,0003,080,0003,080,000Revitalize Investment108,008,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800TCRC4,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,4334,806,433

    Pb55%990.000tpy1,550.00USD/tonPlatinum20.0USD per oz643.01USD/kg12,037USD/yrPb891.00Ton/yr891.00oz/yr1,381,050USD/yrOxygen (2 bar)1,065,000m321Rp./m322,365,0002,236.50Sub Total Biaya Bahan3,065,943Total231,000,000,00023,100,00014,850,0008,250,000Total2,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,0002,310,000800,800800,800800,800800,800800,800800,800800,800800,800800,800800,800Recovery5,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,5615,908,561ComponentLevelNPV (US$)IRR (%)PBP (year)

    Paladium7.0USD per oz225.06USD/kg25,278USD/yrAg on the Slag6703.56Kg/yr215,524.30oz/yr2,513,013USD/yrSteam (5 bar)525tpa18,361Rp./Ton9,639,525963.95Labour Cost922,554Revitalize Investment80,080,000,0008,008,0008,008,000Total Revenue10,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,99510,714,995Product Price10%18,373,58418.37%7.25

    Ag dalam slag8.276tpySellenium8.0USD per lb17.64USD/kg1,345,418USD/yrTotal Revenue Recovery5,908,561USD/yrCoke breeze22.5tpa1,115,789Rp./Ton25,105,2532,510.53Selling Expense860,000(-) Operating Cost5,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,3265,347,326