ANALISIS QRA DAN OPTIMALISASI TATA LETAK FASILITAS PABRIK DETONATOR: STUDI KASUS LEDAKAN PINDAD 2010

Authors

  • Pramudya Pratama Wardoyo PT Orica Mining Services Author

Keywords:

Quantitative Risk Assessment, Safety Distance, Detonator, Layout Optimization

Abstract

Operasional manufaktur bahan peledak menyimpan risiko insiden berskala besar dengan konsekuensi fatalitas yang signifikan, di mana tanpa adanya sistem proteksi, radius bahaya dari 5 kg Net Explosive Quantity (NEQ) dapat menjangkau jarak hingga 41 meter. Studi ini difokuskan pada upaya restrukturisasi tata letak unit produksi detonator dengan tujuan meningkatkan proteksi keselamatan kerja melalui reduksi jarak aman yang terukur. Penelitian ini menerapkan pendekatan kualitatif deskriptif yang dipadukan dengan pemodelan Quantitative Risk Assessment (QRA) untuk mengomparasi efektivitas antara skenario jarak tanpa penghalang (unbarricaded) dengan jarak berpenghalang (barricaded). Temuan riset mengindikasikan bahwa integrasi engineering control berupa gundukan tanah (earth mound) mampu mengoptimalkan pemanfaatan lahan dengan memangkas jarak aman sebesar 50 persen atau menjadi 20,5 meter, dengan tetap menjaga tekanan ledakan di bawah ambang batas aman 1 psi pada area publik. Secara teoretis, implementasi QRA dalam perancangan fasilitas terbukti efektif dalam meningkatkan efisiensi ruang tanpa mendegradasi standar perlindungan bagi personel maupun infrastruktur perusahaan.

The explosive manufacturing industry carries a significant risk of major accidents with high fatality potential, where the estimated blast impact radius from 5 kg of Net Explosive Quantity (NEQ) without physical protection can reach up to 41 meters. This study aims to optimize the facility layout of a detonator production unit to enhance occupational safety standards through measurable safety distance minimization. The research methodology employs a descriptive qualitative approach integrated with Quantitative Risk Assessment (QRA) modeling to compare the effectiveness of barricaded versus unbarricaded distance scenarios. The findings indicate that the implementation of engineering controls, specifically earth mounds, can optimize land utilization by reducing the required safety distance by 50%, or down to 20.5 meters, while maintaining blast overpressure below the safe threshold of 1 psi at inhabited areas. In conclusion, the application of QRA methods in facility layout design is significantly proven to increase land-use efficiency without compromising the integrity of protection for personnel and corporate assets.

Author Biography

  • Pramudya Pratama Wardoyo, PT Orica Mining Services

    Sr, Specialist SHES - TDMB Plant

Published

2026-06-30