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Siti Hardianti, Siti
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Journal : MINERAL

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Analisis Perbandingan Kuantitas Batubara Antara Drone Dji Phantom 4 RTK Dengan Terrestrial Laserr Scanner Pada Stockpile LS DH5: Comparative Analysis of Coal Quantity Between DJI Phantom 4 RTK Drone and Terrestrial Laser Scanner on LS DH5 Stockpile Hardianti, Siti; Maryana; Dilariya
MINERAL Vol 10 No 1 (2025): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/rtm5vr96

Abstract

Calculation of coal quantity can be done by various methods, one of which is by measuring the detailed situation using survey tools such as Total Station, GPS or GNSS, can also use Terrestrial Laser Scanner and popular technology currently used for volumetric survey activities is unmanned aircraft or drones. The purpose of this study was to determine the quantity of coal stockpile LS DH 5 using the DJI Phantom 4 RTK Drone and Terrestrial Laser Scanner, compare the quantity results of the two measuring instruments and determine the feasibility of the coal quantity measured by the DJI Phantom 4 RTK Drone against the quantity measured by the Terrestrial Laser Scanner. The calculation results using the DJI Phantom 4 RTK Drone were 243,214.506 tons and the calculation results using the Terrestrial Laser Scanner were 242,713.028 tons, between the two calculations there was a difference of 501.478 tons or 0.21%, From this comparison, the calculation results of the DJI Phantom 4 RTK Drone are considered close to accuracy because they are within the tolerance standard (Industry Adapted Error) used, which is 2% according to ASTM D6172-98.  
Analisis Metode Perhitungan Kuantitas Batubara Di Stockpile ROM PT. XYZ: Analysis of Coal Quantity Calculations Methods in ROM Stockpile PT. XYZ Harsiga, Edwin; Hardianti, Siti; Hidayat, Ardhi Lufthansyah
MINERAL Vol 9 No 1 (2024): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v9i1.5547

Abstract

PT XYZ had a method called the on book method to determine the amount of coal tonnage in the ROM stockpile.. This method used the initial stock from the survey calculation resut at the beginning of each month, the incoming coal to the stockpile used truck count method, and the outgoing coal from stockpile used weighbridge calculation. PT XYZ used the survey calculation results at the beginning of the next month rather than on book method result to determine the difference. The Coal tonnages based on survey result data on April 2 was 34.225,454 tons. Whereas, for the on-book calculation, the stock at March 2 was 38.409,083 tons, the coal in 2 March - 2 April was 71.154 tons, and the coal out of 2 March - 2 April was 67.994,52 tons, so the final stock obtained was 41.568,56 tons. The difference from those two methods comparison was 7.343,11 tons. This research discover the factors causing the differences between two methods i.e. incompatible vessel capacity on the truck counts tonnage calculation, disorganized stockpile patterns, declining ROM stockpile base conditions, spilled material, total station tools and weighbridges which had not been calibrated yet.
Co-Authors Adiwarman, Mirza Adrian Adrian Afnita Afnita Amat Hidayat Amina, Amina Arini, Siti Azizah, Uswatun Awa Bambang Genjik Base, Nurul Hidayah Berliana, Fara Bernatal Saragih Chiuman, Linda Dilariya Dwi Oktavianty, Firda Edwin Harsiga Fanny, Aesza Okty Zull Fatimah Ginting, Chrismis Novalinda Hapsah, Hapsah Harris Effendi Thahar Hendra K, Joni Hidayat, Ardhi Lufthansyah Inayatussulaimah Irwan Irwan Jumiati Jumiati Kinanti, Anesia Anggun Labok, Yosepa Lisdarti Lisdarti Lisdarti, Lisdarti Mandasari, Destia Marjan Wahyuni Maryana Mastar Asran Maulida Nur Maulida Rachmawati Megawati, Siska Miftakhur Rohmah, Miftakhur Munjanah, Yuliani Nasution, Masriani Hasyim Ningrum, Santi Widiya Nuraini Asriati Octaviannus, Stephen Rahmad Dani Rahmi, Viviani Rambe, Anggita Maharani Rasmitadila, Rasmitadila Romindo Sartika, Retno Dewi Septiarani, Disty Sinaga, Umi Teresia Sintong, Mahara Surya, Vella Oktafiani Syamsiati . Triana Indrayani Yani, Julia Yusriyani, Yusriyani Yusuf, Askar