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RENCANA REKLAMASI AREA DISPOSAL OUTPIT DUMP PIT B SELUAS 1,90 HEKTAR KHUSUSNYA PADA TAHAP PENATAAN DAN PENATAGUNAAN LAHAN DI PT MIFA BERSAUDARA MEULABOH ACEH BARAT

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Pengarang Rina Faurizani - Personal Name

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ABSTRACT PT MIFA Bersaudara is one of the national companies that are involved in coal mining. PT MIFA Bersaudara has been conducting mining activities since 2012. Those mining activities use open pit method with the backfilling system. In an effort to maintain and provide protection on the environment, PT MIFA Bersaudara performed reclamation activities on the disposal out pit dump PIT B. The existence of these planned reclamation activities on the disposal land was expected to help improve the quality of the environment and ecosystem so that the land become more productive and in the long run these reclamation activities were expected to generate added value for the environment and to create a much better condition than the previous conditions. The reclamation activities had started from arrangement of the land, the spread of soil, and revegetation activities. The requirement of topsoil from calculation results for the revegetation activities on a 1,90 Ha land area was as much as 13.300 bcm of topsoil. The topsoil demolition activities was done by Caterpillar 320D L Hydraulic Excavator and transported by Caterpillar 740 Articulated Dump Truck to the reclamation area for 11 days. Topsoil that has been located in the reclamation area were then leveled by Bulldozer D6R for 5 days. In order to make the reclamation area into a more productive land, the thickness of the topsoil (top soil) needed was as thick as 0,7 m with a Ph 5,4 – 6,5 it was a good step in encouraging the revegetation activities. The arrangement was done so that there was no erosion on the reclamation area and the topsoil to be preserved with a back slope grade of 2%. The disposal land area will be used as forestry planted with tamarind trees and sengon. By knowing reclamation activities, later it can be used as a reference on the reclamation implementation after mining activities are completed. Keywords: Reclamation, Topsoil, pH, Revegetation

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