📦 Resource template

Ground Control Audit Template (ISO 45001 Aligned)

The Ground Control Audit Template (ISO 45001 Aligned) is a structured, evidence-based assessment tool designed to evaluate the effectiveness of ground control and rock mechanics management systems within mining operations against the requirements of ISO 45001:2018 for occupational health and safety management. It integrates geotechnical risk management with systemic OH&S governance—ensuring hazards related to ground instability, rockfalls, and structural failure are proactively identified, evaluated, and controlled. The template supports continual improvement through audit findings, corrective actions, and leadership review aligned with Plan-Do-Check-Act (PDCA) methodology.

📖 Overview

Ground control in mining encompasses all engineering, operational, and administrative measures taken to ensure the stability of excavations—including open pits, underground stopes, ramps, and shafts—and to prevent injury or fatality from rock mass failure. An ISO 45001-aligned audit template elevates traditional technical inspections by embedding them within a broader occupational health and safety management system (OHSMS), requiring explicit linkages between geotechnical hazard identification, worker consultation, competence validation, emergency preparedness, and top-management accountability. Key principles include risk-based thinking (e.g., applying ALARP—As Low As Reasonably Practicable—to rockfall likelihood and consequence), documented information control (e.g., maintaining up-to-date geological models and instrumentation records), and worker participation (e.g., involving miners in ground condition reporting and near-miss investigations). Applications span internal audits, contractor prequalification assessments, regulatory compliance reviews, and third-party certification readiness—where auditors systematically verify not only whether support systems (e.g., bolts, mesh, backfill) are installed, but whether their design, monitoring, and maintenance are governed by competent personnel, validated procedures, and measurable performance criteria. Crucially, the template mandates traceability from field observations (e.g., cracking or spalling) through root-cause analysis to systemic corrective actions—thereby transforming reactive incident response into proactive system resilience.

📑 Key Components

1 Hazard Identification & Risk Assessment Protocol
2 Geotechnical Competence & Training Verification
3 Monitoring & Inspection Regime Documentation

🎯 Applications

  • Internal OHSMS compliance audits for mining sites
  • Contractor ground control capability assessments prior to mobilization
  • Regulatory readiness reviews (e.g., MSHA, DMRE, or equivalent jurisdictional bodies)

📐 Key Formulas

Risk Priority Number (RPN)

RPN = Likelihood × Severity × Detectability

A semi-quantitative scoring method used in ground control risk registers to prioritize hazards (e.g., high-wall failure in pit slope); adapted for ISO 45001 context by anchoring Likelihood and Severity to OH&S outcomes.

Factor of Safety (FoS)

FoS = Resisting Forces / Driving Forces

Fundamental geotechnical metric assessing stability margin of engineered supports or natural slopes; audited for design basis documentation, field verification, and recalibration after seismic or hydrological events.

🔗 Related Concepts

Rock Mass Rating (RMR) System Safety Engineering Plan-Do-Check-Act (PDCA) Cycle

📚 References

#mining safety #geotechnical risk #ISO 45001 #ground control #OHSMS audit