DAFTAR ISI

Halaman

HALAMAN JUDUL ...........................................................................................LEMBAR PENGESAHAN ...............................................................................

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HALAMAN PERSEMBAHAN ........................................................................ iiiINTISARI ........................................................................................................... ivABSTRACT ......................................................................................................... vKATA PENGANTAR ........................................................................................ viDAFTAR ISI .......................................................................................................viiiDAFTAR GAMBAR .......................................................................................... xiDAFTAR TABEL .............................................................................................. xiiDAFTAR LAMPIRAN ......................................................................................xiii

BAB I PENDAHULUAN1.1 Latar Belakang ............................................................................ 11.2 Rumusan Masalah ....................................................................... 21.3 Batasan Masalah .......................................................................... 21.4 Tujuan dan Manfaat Penelitian .................................................... 2

BAB II TINJAUAN PUSTAKA DAN LANDASAN TEORI2.1 Geologi Pulau Bangka ................................................................. 4

2.1.1 Morfologi Pulau Bangka ................................................. 42.1.2 Stratigrafi Pulau Bangka ................................................. 4

2.2 Geologi Daerah Penelitian .......................................................... 62.3 Perencanaan Tambang ................................................................ 72.4 Tambang Terbuka ....................................................................... 10

2.4.1 Open Pit/ Open Mine ....................................................... 142.4.2 Alluvial Mine / Hyraulicking (Tambang Semprot) ......... 14

2.5 Monitor dan Pompa Tanah ......................................................... 162.5.1 Fungsi Monitor ............................................................... 16

2.6 Produksi Peralatan Mekanis ........................................................ 172.6.1 Produksi Alat Gali Muat ................................................ 192.6.2 Produksi Alat Angkut ...................................................... 212.6.3 Keserasian Alat Gali Muat dan Alat Angkut ................. 22

2.7 Faktor-Faktor yang Mempengaruhi Produksi Alat Berat ........... 232.7.1 Pola Pemuatan ................................................................. 232.7.2 Faktor Pengisian (Bucket Faktor) .................................... 242.7.3 Daya Dukung Tanah ........................................................ 28

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2.7.4 Waktu Edar ...................................................................... 34 2.7.4.1 Waktu Edar Alat Muat .................................... 35 2.7.4.2 Waktu Edar Alat Angkut ................................ 352.7.5 Efisiensi Kerja ................................................................. 38

2.8 Pembuatan Lay out Tambang ..................................................... 422.9 Cadangan dan Umur Tambang ................................................... 42

BAB III METODELOGI PENELITIAN3.1 Peralatan ...................................................................................... 44

3.1.1 Perangkat Lunak .............................................................. 443.1.2 Perangkat Keras ............................................................... 44

3.2 Metode Pengumpulan Data ......................................................... 443.2.1 Data Primer ...................................................................... 453.2.2 Data Sekunder .................................................................. 45

3.3 Pengolahan Data .......................................................................... 453.4 Diagram Alir Penelitian ............................................................... 453.5 Penarikan Kesimpulan ................................................................. 473.6 Waktu dan Tempat Penelitian ..................................................... 47

BAB IV PEMBAHASAN4.1 Taksiran Cadangan Blok Kemingking ....................................... 484.2 Sistem dan Metode Penambangan ............................................... 51

4.2.1 Tahapan Rencana Penambangan ..................................... 514.2.2 Rencana Geometri Penambangan .................................... 52

4.3 Kemajuan Tambang .................................................................... 544.4 Target Rencana Produksi Blok Kemingking ............................... 624.5 Kajian Ekonomi Blok Kemingking ............................................. 62

4.5.1 Biaya Investasi (Capital Expenditure) ............................ 624.5.2 Biaya Operasi (Operasional Expenditure) ...................... 644.5.3 Sumber Dana ................................................................... 654.5.4 Cash Flow ........................................................................ 65

4.5.4.1 Net Present Value (NPV) ..................................... 654.5.4.2 Internal Rate Of Return (IRR) ............................. 664.5.4.3 Payback Period .................................................... 67

4.6 Analisis Sensitivitas ..................................................................... 694.7 Analisa Kelayakan ...................................................................... 69

BAB V KESIMPULAN5.1 Kesimpulan .................................................................................. 715.2 Saran ............................................................................................ 72

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DAFTAR PUSTAKA ......................................................................................... 73

LAMPIRAN

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