Product Overview

Summary: This Blasting and Explosives Use in Excavation SOP provides a clear, legally defensible framework for planning and carrying out blasting activities on Australian worksites. It standardises how explosives are selected, transported, stored, charged and fired, helping you control extreme risks, protect workers and the public, and keep excavation projects on schedule and compliant.

Blasting in excavation work introduces some of the highest-risk activities on any civil, mining or quarrying project. Mismanaged explosives can result in fatalities, flyrock striking workers or the public, damage to adjacent structures and services, and significant regulatory action. This Safe Operating Procedure provides a structured, end‑to‑end process for planning and executing blasting operations, from initial risk assessment and blast design through to post‑blast inspection, clearance and recordkeeping. It is written specifically for Australian conditions and WHS expectations, and can be adapted across roadworks, trenching, bulk earthworks, quarrying and mining applications.

The SOP helps businesses translate complex regulatory requirements for explosives into practical, on‑the‑ground controls that supervisors and shotfirers can actually follow. It clarifies roles and authority (including the responsibilities of the appointed shotfirer), standardises exclusion zones, misfire management and communication protocols, and embeds checks around storage, transport and handling of explosives and detonators. By implementing this procedure, organisations can demonstrate due diligence, reduce the likelihood of catastrophic incidents, and provide consistent training material for new and existing drill and blast personnel, all while minimising costly delays, rework and community complaints due to vibration, noise or damage.

Key Benefits

• Ensure blasting activities are planned and executed in line with Australian WHS legislation and explosives regulations.
• Reduce the risk of fatality, serious injury and property damage from misfires, flyrock, overpressure and ground vibration.
• Standardise blast design, charging, firing and clearance processes across multiple sites and crews.
• Strengthen regulatory compliance and due diligence with documented risk assessments, permits and blast records.
• Improve communication and coordination between shotfirers, supervisors, plant operators and the public during blasting operations.

Who is this for?

• Explosives Shotfirers
• Blasting Supervisors
• Civil Construction Project Managers
• Mining and Quarry Managers
• Site Supervisors and Forepersons
• WHS Managers and Advisors
• Principal Contractors
• Drillers and Drill & Blast Crews
• Geotechnical Engineers
• Traffic Management Planners

Hazards Addressed

• Unintentional detonation of explosives during handling, transport or storage
• Flyrock striking workers, plant, public areas or nearby structures
• Ground vibration and airblast overpressure causing structural damage or community impact
• Misfires and unexploded charges remaining in the excavation
• Ignition from static electricity, sparks, hot work or incompatible equipment
• Exposure to fumes and gases generated by blasting in confined or poorly ventilated areas
• Falls from height or into excavations during charging and stemming activities
• Interaction between blasting operations and mobile plant or public traffic
• Damage to underground and overhead services (gas, electricity, water, telecommunications)
• Hearing damage from blast noise and use of initiating systems

Included Sections

• 1.0 Purpose, Scope and Application
• 2.0 Definitions and Regulatory Context
• 3.0 Roles, Responsibilities and Competency Requirements
• 4.0 Pre‑Blast Planning and Risk Assessment
• 5.0 Blast Design and Authorisation Process
• 6.0 Explosives Procurement, Transport and Storage Requirements
• 7.0 Site Preparation, Services Location and Exclusion Zones
• 8.0 Drilling, Charging, Stemming and Tie‑in Procedures
• 9.0 Communication Protocols, Sirens and Warning Systems
• 10.0 Firing Procedures and Blast Initiation Controls
• 11.0 Misfire Identification, Management and Reporting
• 12.0 Post‑Blast Inspection, Clearance and Re‑entry Criteria
• 13.0 Environmental Controls (Vibration, Airblast, Dust and Fumes)
• 14.0 Personal Protective Equipment (PPE) and Safety Equipment
• 15.0 Interaction with Mobile Plant, Traffic and Public Areas
• 16.0 Emergency Response and Incident Management for Blasting Events
• 17.0 Training, Licensing, Verification of Competency and Induction
• 18.0 Documentation, Recordkeeping and Audit Requirements
• 19.0 Review, Consultation and Continuous Improvement

Legislation & References

• Model Work Health and Safety Regulations (Safe Work Australia) – Chapters relating to Hazardous Chemicals and Major Hazard Facilities
• Relevant State/Territory Explosives Acts and Regulations (e.g. Explosives Act 2003 (NSW), Explosives Regulations 2013 (VIC))
• Safe Work Australia – Code of Practice: Excavation Work
• Safe Work Australia – Code of Practice: Managing Risks of Hazardous Chemicals in the Workplace
• AS 2187.1: Explosives – Storage, transport and use – Part 1: Storage
• AS 2187.2: Explosives – Storage, transport and use – Part 2: Use of explosives
• AS/NZS 60079 series: Explosive atmospheres (for ignition source control where relevant)
• AS/NZS 4801 / ISO 45001: Occupational health and safety management systems