DAMPAK PELEDAKAN OVERBURDEN TERHADAP KESELAMATAN KERJA DI PIT 2 BANKO BARAT PT. BUKIT ASAM, TBK TANJUNG ENIM, SUMATERA SELATAN

APRIANI, WIDYA and Asof, Marwan and Mukiat, Mukiat (2019) DAMPAK PELEDAKAN OVERBURDEN TERHADAP KESELAMATAN KERJA DI PIT 2 BANKO BARAT PT. BUKIT ASAM, TBK TANJUNG ENIM, SUMATERA SELATAN. Undergraduate thesis, Sriwijaya University.

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Abstract

PT. Bukit Asam, Tbk adalah salah satu perusahaan tambang batubara dengan sistem tambang terbuka. Salah satu cara pembongkaran overburden di Pit 2 Banko Barat dengan metode pemboran dan peledakan. Peledakan di PT. Bukit Asam menggunakan geometri peledakan aktual rata-rata yang digunakan yaitu diameter 200,03 mm, burden 6,0 m, spasi 7,0 m, stemming 4,8 m, kedalaman lubang ledak 7,0 m, dan tinggi kolom isian 2,18 m dengan powder factor 0,12 kg/bcm. Berdasarkan analisis jarak lemparan flyrock tidak memenuhi syarat batas aman dengan rata-rata jarak flyrock aktual 306,33 m yang berada diantara 250-300 m. Peledakan yang dilakukan di Pit 2 Bangko Barat PT. Bukit Asam, Tbk yang berjarak 300-500 m menghasilkan getaran tanah dan kebisingan yang tinggi. Berdasarkan analisis getaran tanah tidak memenuhi syarat batas aman dengan rata-rata tingkat getaran aktual 5,13 mm/s yang melebihi bakumutu 3 mm/s berdasarkan dari standar perusahaan yang menggunakan standar SNI 7571 tahun 2010. Berdasarkan analisis kebisingan tidak memenuhi syarat batas aman dengan rata-rata tingkat kebisingan aktual 90,71dB yang melebihi bakumutu 70 dB berdasarkan Kepmen LH No 48 tahun 1996 dan 60-70 dB berdasarkan Kepmen Kesehatan No. 718 Tahun 1987. Salah satu cara meminimalisir dampak peledakan yaitu dengan menggunakan air deck.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Peledakan, Keselamatan Kerja, Batu Terbang, Getaran, Kebisingan, Air deck
Subjects: T Technology > TN Mining engineering. Metallurgy > TN263-271 Mineral deposits. Metallic ore deposits. Prospecting
Divisions: 05-Faculty of Agriculture > 54001-Agricultural Science (S3)
Depositing User: Users 1056 not found.
Date Deposited: 07 Aug 2019 04:33
Last Modified: 07 Aug 2019 04:33
URI: http://repository.unsri.ac.id/id/eprint/2704

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