Skripsi

KAJIAN PRODUKSI DAN BIAYA PENAMBANGAN BATUAN ANDESIT DI PT. SUMBER GUNUNG MAJU BRAVO 10 KABUPATEN SERANG PROVINSI BANTEN

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Penilaian

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Demolition of Andesite stones at PT Sumber Gunung Maju Bravo 10 is carried out by drilling and blasting. The drill equipment used at PT Sumber Gunung Maju Bravo 10 operates 2 drill tools with the type of Marton Junjin JD-800 totaling 4 and Furukawa 910-DS totaling 1 where both have hourly production of 1,603.05 BCM / Hour for 5 drilling tools HCR and 143,024.22 BCM / Month. Blasting in Bravo 10 PT. Sumber Gunung Maju uses an explosive hole with a diameter of 3 inches with a plan burden of 2.5 meters and spacing ranging from 2.7 meters to 3 meters. To dismantle one BCM requires explosives as much as 0.16 kg. Kobelco SK-330 backhoe excavator which has a bucket size of 1.4 m3 which produces an average cycle time data of 23.31 seconds, heaped bucket capacity of 1.4 m3, bucket factor 0.80, work efficiency of 70%, swell factor 0.80 and rock density 2.10 tons / m3. SK-330 Backhoe Excavator has hourly production of 1,071.86 tons / Hour for 9 SK-330 Backhoe Excavators of 247,920.6 tons / month. The Hino Ranger 500 Dump Truck transports can be in the form of average cycle time data of 21.22 minutes, the amount of filling 8 times, bucket capacity of 1.4 m3, bucket fill factor of 0.80, swell factor of 0.80 and work efficiency of 70% . Hino Ranger 500 dump trucks have an hourly production of 752.3 tons / hour for 35 Hino Ranger 500 dump trucks and 173,826.3 tons / month. The mining production cost is IDR 12.108.505,63 / hour and IDR 3.644.068.705,6 / month. The difference in costs amounting to IDR 28.636,41 / hour and IDR 9.071.019,9 / month after repairs to the work efficiency of the equipment from the start, the mining costs before repair are IDR 12.137.142,04 / hour and IDR 3.653.139.725,5 / Month and mining equipment production costs of IDR 8.272,94 / ton to IDR 7.804,93 / ton there is a difference in costs of IDR 468,01 / ton.

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Availability

Inventory Code	Barcode	Call Number	Location	Status
2007001426	T40803	T408032020	Central Library (REFERENSI)	Available but not for loan - Not for Loan

Detail Information

Series Title

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Call Number

T408032020

Publisher

Inderalaya : Fakultas Teknik Universitas Sriwijaya., 2020

Collation

xiv, 113 hlm.; ilus., tab.: 28 cm

Language

Indonesia

ISBN/ISSN

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Classification

622.07

Content Type

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Media Type

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Carrier Type

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Edition

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Subject(s)

teknik pertambangan
Penambangan batuan andesit

Specific Detail Info

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Statement of Responsibility

EM

Other version/related

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