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Arisanti, Reni
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Journal : blantika multidisciplinary journal

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Evaluasi Produktivitas Alat Gali Muat Excavator Caterpillar 345 Dan Alat Angkut Dump Truck Axors Pada Aktivitas Coal Getting Pada Pt Dizamatra Powerindo Site Lahat Sumatera Selatan Saputra, M Wijaya; Arisanti, Reni; Yovanda, Ridho
Blantika: Multidisciplinary Journal Vol. 3 No. 9 (2025): Special Issue
Publisher : PT. Publikasiku Academic Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57096/blantika.v3i9.414

Abstract

Kegiatan coal getting di PT. Dizamatra Powerindo merupakan salah satu tahapan penting dalam proses penambangan batubara, di mana penggunaan alat berat seperti excavator dan dump truck menjadi penentu utama produktivitas. Penelitian ini bertujuan untuk mengevaluasi produktivitas alat gali muat Excavator Caterpillar 345 dan alat angkut Dump Truck Axors pada aktivitas coal getting di site Lahat, Sumatera Selatan. Metode yang digunakan dalam penelitian ini meliputi observasi langsung di lapangan, pengambilan data primer seperti waktu edar (cycle time), efisiensi kerja, dan jumlah alat, serta data sekunder berupa spesifikasi alat dan data curah hujan. Hasil perhitungan menunjukkan bahwa produktivitas alat gali muat sebesar 234,74 ton/jam, sedikit di bawah target perusahaan sebesar 240 ton/jam, sedangkan produktivitas alat angkut sebesar 35,58 ton/jam, juga belum mencapai target 40 ton/jam. Evaluasi keserasian kerja alat (match factor) menunjukkan nilai 0,73 yang menandakan terdapat waktu tunggu pada alat gali muat. Faktor-faktor yang mempengaruhi kinerja alat meliputi kondisi front penambangan, kondisi jalan angkut, dan pola pemuatan. Sebagai solusi, disarankan penambahan unit dump truck untuk mencapai match factor mendekati 1 agar sinkronisasi kerja lebih optimal.
Analisis Produktivitas Excavator Komatsu PC 300 dan Dump Truck Hino 500 pada Penambangan Batubara di PT Priamanaya Energi Site Lahat Sumatera Selatan Kusrofi, Selamet; Arisanti, Reni; Yansen, Dedi
Blantika: Multidisciplinary Journal Vol. 3 No. 10 (2025): Special Issue
Publisher : PT. Publikasiku Academic Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57096/blantika.v3i10.435

Abstract

This research was conducted at PT Priamanaya Energi, Lahat site, to analyze the productivity of a Komatsu PC 300 excavator and a Hino 500 dump truck. The method used was a quantitative descriptive approach, collecting primary data on equipment cycle time and haul distance, as well as secondary data on equipment specifications and mine conditions. The calculations showed that excavator productivity was 200.94 tons/hour and dump truck productivity was 34.25 tons/hour, with a work efficiency of 81%. The actual match factor of 0.89, in this context, is close to the equipment compatibility figure, meaning that the number of equipment used is sufficient to match the working speed of the excavator, thus eliminating queues and waiting times for the excavator. Four main factors influencing productivity are the conditions of the mining front area, road conditions, weather conditions, and operator/driver skills. This research provides technical recommendations to improve equipment compatibility and production effectiveness in the field.
Co-Authors Akhramdani, Akhramdani Delni, Delni Eka Permatasari, Syelly Husni , Ahmad Husni, Ahmad Kusrofi, Selamet Pratama Debiansyah, Septio Robiyansa, Apri Salfitri, Aisyah Saputra, M Wijaya Susilo, Aris Yansen, Dedi Yovanda , Ridho Yovanda, Ridho