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All Journal Jurnal Lahan Suboptimal TAMBANG Jurnal Ilmu Teknik Journal of Degraded and Mining Lands Management IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Penelitian Sains IJEMS (Indonesian Journal of Environmental Management and Sustainability) Seminar Nasional Lahan Suboptimal Prima Abdika: Jurnal Pengabdian Masyarakat SRIWIJAYA JOURNAL OF ENVIRONMENT BIOVALENTIA: Biological Research Journal Jurnal Ilmu Kesehatan Masyarakat International Journal of Science and Environment Ranah Research : Journal of Multidisciplinary Research and Development Mantis Journal of Fisheries
Eddy Ibrahim
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Journal : International Journal of Science and Environment

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Planning of Sharing Wall At Iup Boundaries As A Strategy For Coal Conservation And Compliance With Mining Regulations Kurniawan, Arie; Ibrahim, Eddy; Toha, Taufik; Wahyudi Putra, Rahmat
International Journal of Science and Environment (IJSE) Vol. 5 No. 4 (2025): November 2025
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v5i4.244

Abstract

Coal mining activities in adjacent Mining Business Permit (IUP) areas often face technical challenges at pit boundaries. Conventional double-wall pit designs generally lead to pit losses at border zones, increased overburden volume, and higher stripping ratios, resulting in reduced mining efficiency and suboptimal utilization of coal reserves. Meanwhile, Indonesian mining regulations—Law No. 3 of 2020 in conjunction with Law No. 4 of 2025, Government Regulation No. 96 of 2021, and Ministerial Decree of Energy and Mineral Resources (Kepmen ESDM) No. 1827 K/30/MEM/2018—emphasize the obligation to conserve mineral and coal resources through efficient and optimal mine planning. This study aims to evaluate the planning of sharing wall (joint boundary slope mining) at IUP boundaries as a strategy for coal conservation and regulatory compliance. The research methods include analyzing existing double-wall designs, developing an alternative sharing wall model, recalculating overburden volume, coal reserves, stripping ratio, and pit loss potential, and assessing technical results against conservation regulations. The case study was conducted at the boundary of PT Merapi Energy Coal’s IUP in Lahat Regency, South Sumatra. The analysis results show that implementing the sharing wall design results in a 70 million bcm deviation in overburden volume, an increase in stripping ratio from 5.39 to 5.94 bcm/ton, and an additional 11.8 million tons of recovered reserves compared to the double-wall design. This strategy supports resource conservation principles as stipulated in Kepmen ESDM No. 1827 K/30/MEM/2018, particularly regarding pit loss reduction and coal recovery optimization. Therefore, sharing wall planning not only enhances technical and economic efficiency but also strengthens compliance with national mining conservation regulations.
Co-Authors Amallia, RA Hoetary Tirta Anton Saputra, Anton Arie Kurniawan Budhi Setiawan Didik Susetyo Edward Saleh Edy Sutriyono Elisa Wildayana EPSB Taman Tono Fauziyah Fettymia, Fettymia Fitri Hadiah Fitriana Lasmana Fuad Rusydi Suwardi Fuad Rusydi Swardi Hartini Iskandar Hendra Hartono, Hendra Hikmah Utari Indra Yustian Irfannuddin Irfannuddin Izromaita Jumiah, Restu Laila Hanum Maulana Yusuf Melisyah, Melisyah Melodi, Aldo Merina Murti Muhammad Faizal Muhammad Hendri MUHAMMAD SAID musmualim musmualim, musmualim Nabila Aprianti Netty Kurniawati Ngudiantoro . Noprianty, Rika Onni Okta Dita Mayang Sari Pebrianto, Rosihan Peni Rostiarti Poedji Loekitowati Hariani Purba, Robekca Ratih Wijayanti, Ratih Restu Juniah Rika Noprianty Riki Rizki Ilahi Rizkie, Dania Robiyanto H Soesanto Roy Sitorus Satria Jaya Priatna, Satria Jaya Sinaga, Andi Parluhutan Sriyani Sopeana Subroto Subroto Suheryanto Sutopo Sutopo Syamsul Komar Taufik Toha Taufik Toha, Taufik Ubaidillah Anwar Prabu Ulma Aydilla Utami, Nyimas Ulfatry Wahyudi Putra, Rahmat Yulifa Handayani