<mets:mets xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-3.xsd" OBJID="eprint_42892" LABEL="Eprints Item" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mets="http://www.loc.gov/METS/"><mets:metsHdr CREATEDATE="2026-05-28T02:56:22Z"><mets:agent TYPE="ORGANIZATION" ROLE="CUSTODIAN"><mets:name>Repository Universitas Negeri Padang</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="DMD_eprint_42892_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:titleInfo><mods:title>Redesain Rancangan Ultimate Pit dengan Menggunakan&#13;
Software Minescape 4.118 di Pit S41 PT. Energi Batu&#13;
Hitam Kecamatan Muara Lawa dan Siluq Ngurai&#13;
Kabupaten Kutai Barat Provinsi Kalimantan Timur</mods:title></mods:titleInfo><mods:name type="personal"><mods:namePart type="given">Devit</mods:namePart><mods:namePart type="family">Aswandi</mods:namePart><mods:role><mods:roleTerm type="text">author</mods:roleTerm></mods:role></mods:name><mods:abstract>Penelitian dilakukan di PT. Energi Batu Hitam yang berada di Kecamatan&#13;
Muara Lawa dan Siluq Ngurai, Kabupaten Kutai Barat, Kalimantan Timur. Saat&#13;
ini perusahaan sudah menyusun perancangan pit dengan parameter SR 1 : 22 yang&#13;
dibantu oleh konsultan PT. Runge Indonesia, seiring perubahan harga jual&#13;
batubara rancangan pit tersebut sudah tidak sesuai lagi dengan harga batubara&#13;
sekarang sehingga diperlukannya alternative design ultimate pit pada SR yang&#13;
sesuai dengan harga jual/ekonomis agar perusahaan memiliki alternative pada&#13;
beberapa skenario SR yaitu 15, 17, dan 20.&#13;
Berdasarkan rekomendasi geoteknik dari PT.EBH, geometri lereng&#13;
tunggal yang direncanakan adalah tinggi jenjang 10 meter, kemiringan jenjang 650&#13;
untuk sidewall dan highwall dan kemiringan jenjang 300 untuk lowwall. Lebar&#13;
jenjang adalah 5 meter dengan kemiringin lereng keseluruhan (overall slope)&#13;
adalah 450. Hasil perhitungan suberdaya terukur didapat 1.949.132,91 ton&#13;
batubara, pada SR 15 luas area pit 9,92 Ha didapatkan cadangan tertambang&#13;
84.075, 13 ton batubara dan volume overburden 1.270.539,44 Bcm, pada SR 17&#13;
luas area pit 15,04 Ha didapatkan cadangan tertambang 138.966,26 ton dan&#13;
volume overburden 2.387.242,30 Bcm, pada SR 20 luas area pit 24,87 Ha&#13;
didapatkan cadangan tertambang 291.314,81 ton dan volume overburden&#13;
5.867.208,26 Bcm</mods:abstract><mods:classification authority="lcc">TN Mining engineering. Metallurgy</mods:classification><mods:originInfo><mods:dateIssued encoding="iso8601">2019-02</mods:dateIssued></mods:originInfo><mods:originInfo><mods:publisher>Universitas Negeri Padang;Teknik Pertambangan FT UNP</mods:publisher></mods:originInfo><mods:genre>Thesis</mods:genre></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="TMD_eprint_42892"><mets:rightsMD ID="rights_eprint_42892_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:useAndReproduction>
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