Product Overview

Summary: This Machine Guarding and Lockout Tagout Safe Operating Procedure sets out a clear, step-by-step method for isolating, securing and safely operating plant and machinery in Australian workplaces. It helps you control hazardous energy, prevent contact with moving parts and demonstrate due diligence under WHS legislation, protecting your workers and your business from serious harm.

Uncontrolled movement, unexpected start-up and access to moving parts remain some of the leading causes of serious injuries and fatalities in Australian workplaces. This Machine Guarding and Lockout Tagout (LOTO) Safe Operating Procedure provides a robust, practical framework for identifying hazardous energy sources, installing and maintaining effective machine guarding, and applying lockout tagout controls before any cleaning, adjustment, maintenance or fault-finding work is carried out. It translates legislative and standards requirements into clear, usable instructions that can be followed on the workshop floor, in processing plants, warehouses and maintenance areas.

The SOP is designed to help businesses move beyond informal practices or verbal instructions and into a consistent, documented system that stands up to scrutiny from regulators, clients and auditors. It defines responsibilities for managers, supervisors, maintenance personnel and operators, sets minimum requirements for guards, interlocks and isolation points, and outlines a structured LOTO process including verification of isolation and removal of locks. By implementing this procedure, organisations can significantly reduce the risk of entanglement, crush injuries, amputations and electrical shock, while also improving productivity through predictable, well-planned shutdown and start-up activities.

Tailored for the Australian WHS environment, this SOP supports compliance with the Work Health and Safety Act and Regulations in each jurisdiction, as well as relevant Australian Standards and Safe Work Australia guidance. It is suitable for a wide range of industries including manufacturing, food and beverage, logistics, mining services, utilities and local government depots, and can be easily adapted to site-specific plant and processes.

Key Benefits

• Reduce the risk of serious injuries and fatalities from entanglement, crushing, shearing and unexpected machine start-up.
• Ensure consistent, legally defensible lockout tagout practices across all shifts, sites and contractors.
• Demonstrate compliance with Australian WHS legislation and relevant standards for plant, machinery and hazardous energy control.
• Standardise training and competency requirements for operators, maintenance teams and supervisors.
• Improve maintenance efficiency and reduce downtime by providing a clear, repeatable isolation and re-energisation process.

Who is this for?

• WHS Managers
• Plant Managers
• Maintenance Supervisors
• Mechanical Fitters
• Electricians
• Production Managers
• Machine Operators
• Site Supervisors
• Health and Safety Representatives (HSRs)
• Facilities Managers

Hazards Addressed

• Contact with moving parts such as belts, pulleys, gears, chains, rollers and rotating shafts
• Crush and pinch point injuries during machine operation or jam clearing
• Amputation and severe lacerations from cutting, shearing or in-running nip points
• Unexpected start-up or movement of machinery during cleaning, maintenance or adjustment
• Release of stored or residual energy (electrical, pneumatic, hydraulic, mechanical, thermal or gravitational)
• Exposure to live electrical components during fault-finding or repair
• Being struck by ejected parts, tooling or material due to inadequate guarding
• Slips, trips and falls around poorly designed or maintained guarding and access systems

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions (Machine Guarding, Lockout Tagout, Hazardous Energy, Isolation Point, Competent Person)
• 3.0 Roles and Responsibilities (PCBUs, Officers, Supervisors, Operators, Maintenance Personnel, Contractors)
• 4.0 Applicable Legislation, Standards and Codes of Practice
• 5.0 Hazard Identification and Risk Assessment for Plant and Machinery
• 6.0 Machine Guarding Requirements and Design Principles
• 7.0 Types of Guards and Safety Devices (Fixed, Interlocked, Adjustable, Presence-Sensing)
• 8.0 Guard Installation, Inspection and Maintenance Procedures
• 9.0 Lockout Tagout (LOTO) Principles and Required Equipment
• 10.0 Step-by-Step Lockout Tagout Procedure (Shutdown, Isolation, Locking, Tagging, Verification)
• 11.0 Group Lockout and Contractor Management
• 12.0 Removal of Locks, Re-energisation and Return to Service
• 13.0 Managing Stored and Residual Energy (Hydraulic, Pneumatic, Mechanical, Thermal, Electrical)
• 14.0 Permit-to-Work and Isolation Documentation Requirements
• 15.0 Training, Competency and Authorisation of Personnel
• 16.0 Pre-Start Checks and Operator Safe Work Practices
• 17.0 Inspection, Audit and Continuous Improvement of Guarding and LOTO Systems
• 18.0 Incident Reporting, Non-Conformance and Corrective Actions
• 19.0 Recordkeeping and Document Control
• 20.0 References and Related Documents

Legislation & References

• Work Health and Safety Act 2011 (Cth and harmonised state and territory variants)
• Work Health and Safety Regulation 2011 (Cth and harmonised state and territory variants) – Plant and Structures
• Safe Work Australia – Code of Practice: Managing Risks of Plant in the Workplace
• Safe Work Australia – Code of Practice: Managing Electrical Risks in the Workplace
• AS 4024 series: Safety of machinery (e.g. AS 4024.1201, AS 4024.1601/1602 – Guards and interlocking devices)
• AS/NZS 4836: Safe working on or near low-voltage electrical installations and equipment
• AS/NZS ISO 45001: Occupational health and safety management systems – Requirements with guidance for use