Materi 3 - Pit Design Dan Perencanaan Tambang (WR-230416)

Pit Design dan Per Perencanaan encanaan Tambang untuk untuk Bijih Emas PT J Resources Nusantara 23 April 2016

J Resources

Curriculum Vitae Ir. Wawan Riswanto • • • • •• • • • •

1988  – Teknik Pertambangan, Tambang Umum – ITB 1993  – TA di PT Equatorial Mining Kelian – Drilling dan Blasting 1994  – 1997 : Mining Engineer Engineer PT Indo Muro Kenc Kencana ana 1997  – 2002 : Sr. Sr. Mine Engineer PT Newmo Newmont nt Minahasa Raya 2002  – 2007 : Sr. Sr. Supervising Mine Engineering PT Newmont Nusa Tenggara 2007  – Jul 2015 : Manager Mine Engineering  – Miner Minera a Yanaco anacocha cha S.R.L – PERU Aug 2015 – Now: Manager Technical Services  – PT. J Resources Nusantara Anggota PERHAPI Anggota AusIMM Registered Register ed Member SME

Ame rican Region • As Competent Person Newmont South American • As Competent Person Indonesia • Anggota PII

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Proses Pros es Perencan Perencanaan aan Tambang ambang

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Flowsheet Estimasi Cadangan Cadangan

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Proses Pros es Perencan Perencanaan aan Tambang ambang

Economic Parameter Parameters: s: • Au and Ag Prices • Royalty • Refining and Shipping • Discount Rate

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Resource Ore Model: • Au grade • Au Recovery • Ag grade • Ag Recovery • Density • Ore Type (Ox, Tr, DT) • Ore Classification (MII) • Model dimension

Production Rate

Operating Costs: • Mining • Processing • G&A • Incremental Haulage

Capital Expense: • Equipment • Facilities-Infrastructure • Closure Mining Operation: • Mining Recovery Mining Dilution • • Topography J Resources

Geotechnical Paramete Parameters: rs: • Bench Face Angel • IRA • Bench height • Berm width • Ramp width • Ramp gradient

J Resources