Product Overview

Summary: This Emergency Shut Off Procedure SOP sets out clear, step-by-step actions for safely and rapidly isolating plant, equipment and services during an incident. It helps Australian workplaces prevent minor faults from escalating into serious injuries, fires, explosions or environmental releases by standardising how and when critical systems are shut down.

When something goes wrong with machinery, electrical systems, gas lines or process equipment, seconds matter. An unplanned release of energy, product or pressure can quickly escalate into a life‑threatening situation if people are unsure which switch to hit, which valve to close, or in what order to shut systems down. This Emergency Shut Off Procedure SOP provides a clear, standardised method for identifying, activating and verifying emergency isolation of critical plant and services across your site, tailored to Australian WHS expectations.

The document guides your organisation to map and label emergency stop devices, isolation valves and control points, and then sets out exactly who does what in an emergency, how to communicate the shut down, and how to confirm systems are safe before anyone re‑enters the area. It supports compliance with your duty to manage risks associated with plant and hazardous chemicals, while giving workers the confidence to act decisively under pressure. By implementing this SOP, businesses can reduce confusion, avoid ad‑hoc decision making, and demonstrate a defensible, documented approach to emergency isolation during audits, incident investigations and regulator inspections.

Key Benefits

• Ensure rapid and coordinated shutdown of plant and services to contain incidents before they escalate.
• Reduce the risk of serious injury, fire, explosion or environmental release caused by uncontrolled energy or product flow.
• Standardise emergency response actions across shifts, contractors and locations for consistent, predictable outcomes.
• Support compliance with Australian WHS legislation and plant, electrical and hazardous chemicals requirements.
• Improve worker confidence and competence in using emergency stop devices through clear instructions and training prompts.

Who is this for?

• Site Supervisors
• WHS Managers
• Plant Operators
• Maintenance Technicians
• Electrical Supervisors
• Production Managers
• Facility Managers
• Laboratory Supervisors
• Emergency Wardens
• Health and Safety Representatives (HSRs)

Hazards Addressed

• Uncontrolled release of mechanical, electrical, hydraulic or pneumatic energy
• Fires and explosions from gas, fuel or vapour leaks
• Chemical spills or toxic releases from process lines and storage systems
• Equipment runaway or loss of control due to malfunctioning plant
• Electrocution or arc flash from live electrical equipment
• Environmental contamination from uncontained discharges
• Crush and entanglement injuries during equipment malfunction or jam clearing

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Key Terms (Emergency Stop, Isolation, Critical Plant)
• 3.0 Roles and Responsibilities
• 4.0 Applicable Legislation, Standards and Codes of Practice
• 5.0 Identification and Labelling of Emergency Shut Off Devices
• 6.0 Pre‑Incident Planning and Readiness Checks
• 7.0 General Emergency Shut Off Principles
• 8.0 Step‑by‑Step Emergency Shut Off Procedure – Mechanical Plant
• 9.0 Step‑by‑Step Emergency Shut Off Procedure – Electrical Systems
• 10.0 Step‑by‑Step Emergency Shut Off Procedure – Gas, Fuel and Fluids
• 11.0 Step‑by‑Step Emergency Shut Off Procedure – Hazardous Chemicals and Process Lines
• 12.0 Communication, Evacuation and Area Control During Shut Off
• 13.0 Post‑Shut Off Verification, Lockout and Incident Handover
• 14.0 Re‑Energisation and Return to Service Requirements
• 15.0 Training, Competency and Drill Requirements
• 16.0 Inspection, Testing and Maintenance of Emergency Stop Devices
• 17.0 Recordkeeping, Review and Continuous Improvement
• 18.0 Site‑Specific Appendices (Maps, Diagrams and Shut Off Points Register)

Legislation & References

• Work Health and Safety Act 2011 (Cth and equivalent state and territory Acts)
• Work Health and Safety Regulations 2011 (Cth and equivalent state and territory Regulations), Part 4.1 Use of Plant
• Safe Work Australia – Code of Practice: Managing risks of plant in the workplace
• Safe Work Australia – Code of Practice: Managing risks of hazardous chemicals in the workplace
• AS/NZS 4024 series: Safety of machinery
• AS/NZS 3000: Electrical installations (Wiring Rules)
• AS 1319: Safety signs for the occupational environment