Product Overview

Summary: This Safety Operating Procedure sets out strict, practical controls for operating homemade or non‑OEM scrap balers in Australian workplaces. It focuses on eliminating crush, entanglement and electrical risks while providing a clear, defensible method for using, inspecting and decommissioning homemade balers in line with WHS duties for plant and high‑risk work.

Homemade and heavily modified scrap balers are common in smaller scrap yards, metal recyclers and rural workshops across Australia, but they can present significant safety and compliance risks if they are not managed under a robust procedure. Unlike factory‑built, certified plant, homemade balers often lack formal documentation, guarding and emergency systems, making it essential to implement a clear, written process that demonstrates how risks are identified, controlled and reviewed. This Safe Operating Procedure provides that structure, detailing how to safely set up, operate, maintain and, where necessary, isolate or decommission homemade scrap balers in accordance with Australian WHS expectations.

This SOP helps businesses bridge the gap between practical on‑the‑ground know‑how and formal WHS compliance for non‑standard plant. It guides you through pre‑start inspections, safe loading and compaction, lock‑out/tag‑out, and verification that the homemade baler is only used within its safe operating limits. It also establishes minimum guarding, emergency stop, signage and competency requirements tailored to the realities of homemade equipment. By adopting this procedure, you can reduce the likelihood of serious crush injuries, hydraulic failures and electrical incidents, while giving supervisors and owners confidence that their operations are being run in a consistent, auditable and legally defensible way.

Key Benefits

• Ensure homemade and modified scrap balers are operated in line with Australian WHS plant safety requirements.
• Reduce the risk of crush, entanglement and amputation injuries associated with unguarded or poorly controlled baling operations.
• Standardise start‑up, operation, shut‑down and isolation steps across all operators and shifts.
• Demonstrate due diligence to regulators and insurers by documenting how risks from non‑OEM plant are identified and controlled.
• Support effective training and competency assessment for new and existing scrap baler operators.

Who is this for?

• Scrap Yard Supervisors
• Metal Recycling Facility Managers
• Workshop Managers
• Maintenance Supervisors
• WHS Managers and Advisors
• Plant Operators (Scrap Baler)
• Fabrication and Mechanical Fitters
• Engineering Managers
• Small Business Owners in Recycling and Waste Management

Hazards Addressed

• Crush injuries from moving rams, platens and compaction chambers
• Entanglement in moving parts, chains, belts and feed mechanisms
• Being struck by ejected scrap or flying debris under pressure
• Hydraulic hose failure, leaks and high‑pressure injection injuries
• Structural failure or collapse of homemade frames, welds or guards
• Electrical shock, arc flash or fire from improvised wiring and controls
• Manual handling injuries from handling heavy scrap and bales
• Slips, trips and falls around cluttered baler work areas
• Noise‑induced hearing loss from repeated baling operations
• Exposure to sharp edges, burrs and protruding scrap metal

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Description of Homemade Scrap Baler
• 3.0 Roles, Responsibilities and Competency Requirements
• 4.0 Applicable Legislation, Standards and Codes of Practice
• 5.0 Hazard Identification and Risk Assessment for Homemade Balers
• 6.0 Design, Guarding and Safety Feature Requirements for Homemade Plant
• 7.0 Pre‑Start Inspections and Safety Checks
• 8.0 Personal Protective Equipment (PPE) Requirements
• 9.0 Safe Operating Procedure – Loading, Compaction and Unloading
• 10.0 Isolation, Lock‑Out/Tag‑Out and De‑energisation Procedures
• 11.0 Managing Hydraulic, Electrical and Structural Failures
• 12.0 Housekeeping, Traffic Management and Work Area Controls
• 13.0 Emergency Stop, Jam Clearing and Incident Response
• 14.0 Inspection, Testing, Maintenance and Modification Controls
• 15.0 Training, Induction and Competency Assessment
• 16.0 Recordkeeping, Review and Continuous Improvement
• 17.0 Decommissioning or Upgrading Homemade Scrap Balers

Legislation & References

• Work Health and Safety Act 2011 (Cth and equivalent state and territory legislation)
• Work Health and Safety Regulations 2011 (Cth and equivalent state and territory regulations) – Part 5: Plant and Structures
• Safe Work Australia – Code of Practice: Managing Risks of Plant in the Workplace
• Safe Work Australia – Code of Practice: How to Manage Work Health and Safety Risks
• AS 4024.1 Series: Safety of machinery
• AS/NZS 4024.1604: Safety of machinery – Design of controls, interlocks and guards
• AS/NZS 3000: Electrical installations (Wiring Rules)
• AS/NZS 4801: Occupational health and safety management systems (superseded but still commonly referenced)
• ISO 45001: Occupational health and safety management systems (for organisations aligning to current best practice)