Daftar Isi.docx

DAFTAR ISI

Hal HALAMAN JUDUL ................................................................................... HALAMAN PENGESAHAN ..................................................................... HALAMAN PERSEMBAHAN ................................................................. SARI ............................................................................................................. KATA PENGANTAR ................................................................................. DAFTAR ISI ............................................................................................... DAFTAR GAMBAR ................................................................................... DAFTAR TABEL ....................................................................................... DAFTAR LAMPIRAN ...............................................................................

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BAB I

PENDAHULUAN …………………………………………. 1.1. Latar Belakang Masalah ..................................................... 1.2. Perumusan Masalah ........................................................... 1.3. Batasan Masalah................................................................. 1.4. Tujuan Penelitian ............................................................... 1.5. Metodologi Penelitian ........................................................ 1.6. Manfaat Penelitian .............................................................

1 1 2 2 3 3 5

BAB II

TINJAUAN UMUM .................................................................. 2.1. Lokasi dan Kesampaian Daerah ......................................... 2.2. Morfologi dan Stratirafi Regional ..................................... 2.3. Iklim dan Curah Hujan ....................................................... 2.4. Flora dan Fauna .................................................................. 2.5. Produk Batubara PT. Marunda Grahamineral .................... 2.6. Potensi Cadangan Batubara PT. Marunda Grahamineral .. 2.7. Tahapan Kegiatan Penambangan Batubara ........................ 2.7.1. Pengupasan Lapisan Tanah Penutup ...................... 2.7.2. Penggalian dan Pemuatan Batubara ....................... 2.7.3. Pengangkutan Batubara .......................................... 2.7.4. Penimbunan Batubara ............................................ 2.7.5. Pengolahan Batubara .............................................. 2.7.6. Pengapalan Batubara .............................................. 2.8 Reklamasi ............................................................................

6 6 7 10 12 12 14 14 16 18 18 19 19 20 21

BAB III

DASAR TEORI .......................................................................... 3.1. Sumber Air Tambang ......................................................... 3.2. Aspek – aspek Yang Mempengaruhi Sistem Penyaliran Tambang............................................................................. 3.2.1. Rencana Penambangan...........................................

23 23

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BAB IV

BAB V

3.2.2. Curah Hujan ........................................................... 3.3. Air Limpasan ...................................................................... 3.3.1. Kerapatan Vegetasi ................................................ 3.3.2. Tata Guna Lahan .................................................... 3.3.3. Kemiringan Tanah .................................................. 3.4. Pengendalian Air Pada Tambang Terbuka ......................... 3.4.1. Saluran Air ............................................................. 3.4.2. Sumuran ................................................................. 3.5. Penyaliran Air Pada Tambang Terbuka ............................. 3.6. Pompa ................................................................................ 3.6.1. Klasifikasi dan Spesifikasi Pompa ......................... 3.6.2. Julang Total Pompa ................................................ 3.6.3. Julang Kerugian ..................................................... 3.6.3.1. Julang Kerugian Statis............................... 3.6.3.2. Julang Kerugian Tekanan .......................... 3.6.3.3. Julang Kerugian Gesek ............................. 3.6.3.4. Julang Kerugian Didalam Jalur Pipa (Belokan Pipa)........................................... 3.6.3.5 Julang Katup Isap ....................................... 3.6.4. Daya Poros dan Efesiensi Pompa ........................... 3.7. Kolam Pengendapan........................................................... 3.7.1 Ukuran Kolam Pengendapan.................................. 3.7.2 Bentuk Kolam Pengendapan .................................. 3.7.3 Perhitungan Prosentase Pengendapan ....................

24 26 27 27 27 28 28 28 31 35 35 35 37 37 37 37

HASIL PENELITIAN .............................................................. 4.1. Kondisi Daerah Tambang .................................................. 4.2. Sistem Penyaliran Tambang di Blok North Kawi Pit 8 ..... 4.3. Pengolahan Data Curah Hujan Blok North Kawi .............. 4.3.1. Curah Hujan Pit 8 ................................................... 4.3.2. Intensitas Curah Hujan Blok North Kawi Pit 8 ..... 4.4. Daerah Tangkapan Hujan Pit 8 .......................................... 4.5. Debit Air Limpasan ............................................................ 4.6. Debit Air Hujan yang Langsung Masuk Ke Bukaan Tambang............................................................................. 4.7. Air Tambang ...................................................................... 4.8. Saluran Terbuka ................................................................. 4.9. Dimensi Sumuran (Sump) Sementara ................................ 4.10. Perhitungan Pompa ............................................................ 4.11. Kolam pengendapan (Settling Pond) ................................

47 47 48 48 48 49 49 50

PEMBAHASAN ......................................................................... 5.1. Pemilihan Metode Penyaliran Tambang ............................ 5.2. Analisi Hidrologi ................................................................ 5.3. Sumber dan Debit Air Tambang ........................................

59 59 41 60

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5.4. Pengatasan Air Pada Pit 8 .................................................. 5.4.1. Mine Drainage ....................................................... 5.4.2. Mine Dwatering ..................................................... 5.5. Saluran Terbuka ................................................................. 5.5.1. Rancangan Dimensi Saluran Terbuka ........... 5.6. Volume Sumuran .............................................................. 5.7. Pompa................................................................................. 5.8. Kolam Pengendapan...........................................................

61 61 61 62 62 63 64 64

KESIMPULAN DAN SARAN .................................................. 6.1. Kesimpulan ........................................................................ 6.2. Saran ...................................................................................

67 67 68

DAFTAR PUSTAKA ................................................................................... LAMPIRAN ..................................................................................................

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BAB VI

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