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Grain Handling Silos and Auger Safety Risk Assessment

Grain Handling Silos and Auger Safety Risk Assessment

  • • 100% Compliant with Australian WHS Acts & Regulations
  • • Fully Editable MS Word & PDF Formats Included
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  • • Includes 2 Years of Free Compliance Updates

Grain Handling Silos and Auger Safety Risk Assessment

Product Overview

Identify and control organisational risks associated with Grain Handling Silos and Auger operations using this management-level Risk Assessment, focused on governance, systems planning, and plant lifecycle control. Strengthen WHS Risk Management, demonstrate Due Diligence under the WHS Act, and protect your business from operational and regulatory liability.

Risk Categories & Hazards Covered

This document assesses risks and outlines management controls for:

  • WHS Governance, Duties and Consultation: Assessment of officer due diligence, PCBU obligations, consultation with workers and contractors, and integration of silo and auger risks into the broader WHS management system.
  • Plant Design, Selection and Procurement (Silos, Augers, Dryers): Management of design verification, guarding requirements, safety-in-design, supplier documentation, and procurement specifications for compliant grain handling plant.
  • Plant Installation, Commissioning and Modifications: Controls for installation planning, engineering sign-off, commissioning checks, change management, and verification of alterations to silos, augers and associated equipment.
  • Confined Space and Silo Entry Management: Assessment of confined space identification, entry permits, atmospheric testing, isolation, standby personnel, and rescue planning for silo entry and internal inspections.
  • Mechanical and Entanglement Hazards (Augers, Conveyors, Feed Systems): Management of nip points, rotating shafts, in-running rollers, guarding standards, lock-out procedures, and exclusion zones around grain transfer equipment.
  • Dust, Fire and Explosion Risk Management: Controls for combustible grain dust, housekeeping programs, ignition source control, explosion relief, hot work management, and fire detection and suppression systems.
  • Structural Integrity and Silo Condition Management: Assessment of silo design limits, corrosion, deformation, overfilling, pressure loading, inspection schedules, and engineering certification for ongoing structural integrity.
  • Traffic Management and Mobile Plant Interactions: Protocols for segregation of pedestrians and vehicles, truck loading/unloading controls, tractor and loader interfaces with augers and silos, and site traffic flow planning.
  • Safe Systems for Grain Alignment, Handling and Movement: Management of grain flow, bridging and engulfment risks, clearing blockages, grain alignment procedures, and safe operation of infeed and discharge systems.
  • Grain Dryer Operation and Thermal Hazards: Assessment of burner systems, high-temperature surfaces, ventilation, overheat protection, and safe start-up, shutdown and maintenance of grain dryers.
  • Stock Feed Manufacturing Process Safety: Controls for milling, mixing, pelleting and bagging operations, cross-contamination risks, process sequencing, and integration of feed manufacture into the overall plant risk profile.
  • Electrical, Control Systems and Isolation Management: Management of electrical installations, emergency stops, interlocks, variable speed drives, isolation and tagging procedures, and protection against electric shock and arc faults.
  • Training, Competency and Supervision: Framework for role-specific training, verification of competency, supervision levels for high-risk tasks, and ongoing refresher and induction programs for grain handling operations.
  • Emergency Preparedness, Response and Rescue: Planning for engulfment, entrapment, fire, explosion, structural failure and medical emergencies, including site-specific emergency procedures, equipment and coordination with external services.
  • Health Monitoring, Ergonomics and Fatigue Management: Assessment of dust exposure, noise, repetitive tasks, manual handling, shift patterns, and systems to monitor worker health and manage fatigue risks in seasonal peak periods.

Who is this for?

This Risk Assessment is designed for Business Owners, Farm Managers, Feed Mill Operators, and Safety Managers responsible for planning, operating and maintaining grain handling silos, augers, dryers and associated plant.

Hazards & Risks Covered

Hazard Risk Description
1. WHS Governance, Duties and Consultation
  • • Lack of clear allocation of WHS duties for grain storage and handling operations under WHS Act 2011
  • • Inadequate officer due diligence in overseeing silo and auger safety systems
  • • Poor consultation with workers, HSRs and contractors about grain handling and silo risks
  • • No formal process to review incidents, near misses and regulatory changes relating to silos and augers
  • • Failure to integrate grain handling risk management into broader organisational WHS management system
2. Plant Design, Selection and Procurement (Silos, Augers, Dryers)
  • • Procurement of non-compliant silos, augers and grain dryers lacking appropriate guarding or emergency features
  • • Plant not designed in accordance with relevant Australian Standards and WHS Regulations for confined spaces and machinery
  • • Incompatible components (e.g. mismatched auger size, drive systems or controls) increasing failure and entanglement risks
  • • Insufficient consideration of safe access, egress and work platforms during design stage
  • • Lack of design controls for dust, noise, heat and fire risks from grain dryers and handling systems
3. Plant Installation, Commissioning and Modifications
  • • Improper installation of silos, augers or grain dryers leading to structural failure, collapse or malfunction
  • • Uncontrolled modifications or retrofits that bypass or degrade safety features and guarding
  • • Inadequate verification and testing of safety systems during commissioning (guards, interlocks, emergency stops, temperature controls)
  • • Lack of engineering assessment of supporting structures, foundations and load paths for silos and transfer equipment
  • • Poor integration of new grain handling equipment into existing electrical, control and dust management systems
4. Confined Space and Silo Entry Management
  • • Uncontrolled entry into silos or storage structures that meet the definition of a confined space under WHS Regulations
  • • Engulfment in grain due to uncontrolled grain movement or bridging failure during entry or inspection
  • • Atmospheric hazards including low oxygen, toxic gases or fumigant residues within silos
  • • Lack of formal entry permits and rescue capability for persons entering silos or grain storage pits
  • • Inadequate isolation of augers, conveyors and aeration systems during inspection or maintenance within silos
5. Mechanical and Entanglement Hazards (Augers, Conveyors, Feed Systems)
  • • Exposure to rotating augers, belts, chains and PTO drives due to inadequate or removed guarding
  • • Failure of management systems to prevent operation of plant with damaged or missing guards
  • • Uncontrolled energisation or start-up of grain handling equipment during cleaning, alignment or maintenance tasks
  • • Inadequate lockout/tagout procedures for augers and feed manufacturing machinery
  • • Poor design of grain alignment tasks and manual interventions that require close approach to moving parts
6. Dust, Fire and Explosion Risk Management
  • • Accumulation of grain dust in dryers, augers, silos and transfer points creating explosion potential
  • • Inadequate housekeeping and dust extraction systems in grain handling and stock feed manufacturing areas
  • • Hot surfaces, friction, static electricity or foreign objects as ignition sources in grain dryers and conveyors
  • • Lack of monitoring and controls for temperature, airflow and product moisture during grain dryer operation
  • • Insufficient integration between fire protection systems and grain handling controls
7. Structural Integrity and Silo Condition Management
  • • Silo structural failure due to corrosion, metal fatigue, impact damage or overfilling
  • • Failure of access ladders, platforms, safety cages and handrails from inadequate inspection and maintenance systems
  • • Uncontrolled pressure build-up or vacuum effects from improper filling and emptying procedures
  • • Settlement or failure of silo foundations not monitored over time
  • • Absence of documented inspection regime for welded joints, bolts and reinforcing elements
8. Traffic Management and Mobile Plant Interactions
  • • Vehicle and pedestrian interactions around silos, grain receival pits and auger locations
  • • Uncontrolled truck, loader or tractor movements during grain loading, unloading and alignment tasks
  • • Contact between mobile plant and overhead power lines or silo structures
  • • Reversing vehicle incidents due to poor layout, line of sight and lack of controls
  • • Ad-hoc placement of portable augers and grain handling equipment in trafficable areas without planning
9. Safe Systems for Grain Alignment, Handling and Movement
  • • Reliance on ad-hoc manual grain alignment methods that expose workers to engulfment, entanglement and musculoskeletal risks
  • • Uncontrolled grain flow due to inadequate control of gates, slides and diverters
  • • Insufficient design of chutes, hoppers and transfer points causing frequent blockages and manual clearing
  • • Lack of process controls for product sequencing between silos, dryers and feed manufacturing equipment leading to overflows or cross-contamination
  • • Poorly documented procedures for emergency stoppage and restart after blockages or equipment faults
10. Grain Dryer Operation and Thermal Hazards
  • • Overheating of grain and equipment leading to fires or product degradation
  • • Inadequate procedures for start-up, shutdown and emergency stop of grain dryers
  • • Exposure of workers to high temperatures, steam or hot surfaces during normal operation or maintenance
  • • Inadequate monitoring and control of fuel supply systems (gas, diesel, biomass) associated with grain dryers
  • • Lack of documented maintenance and calibration regime for temperature probes, sensors and control systems
11. Stock Feed Manufacturing Process Safety
  • • Uncontrolled interaction of multiple processing stages (grinding, mixing, pelleting, cooling) leading to overloads, jamming or fires
  • • Inadequate segregation of hazardous plant in the feed mill from general traffic and non-essential personnel
  • • Cross-contamination or incorrect feed formulation due to control system or procedural failures
  • • Noise, vibration and repeated manual tasks contributing to long-term health effects
  • • Poor management of rejected product, spills and waste leading to slip hazards and pest activity
12. Electrical, Control Systems and Isolation Management
  • • Electrical faults in motors, switchboards and control panels associated with silos, augers and grain dryers
  • • Uncontrolled energisation of plant due to inadequate isolation points or labelling
  • • Bypassing of control system safety functions and interlocks during fault finding or production pressure
  • • Exposure to hazardous voltages during maintenance or unplanned breakdown responses
  • • Poor segregation of power and control cabling in dusty, corrosive grain handling environments
13. Training, Competency and Supervision
  • • Inadequate competency of operators, maintenance staff and contractors in silo, auger and grain dryer safety
  • • Lack of understanding of system-level risks such as engulfment, dust explosion and structural failure
  • • Inconsistent induction and task-specific training for different sites or seasonal workers
  • • Insufficient supervision of high-risk activities such as confined space entry, hot work and complex plant isolation
  • • Failure to verify competency and licences for operators of mobile plant and specialised equipment
14. Emergency Preparedness, Response and Rescue
  • • Delayed or ineffective response to silo engulfment, fires, explosions or plant entanglement incidents
  • • Lack of site-specific emergency plans for grain handling, storage and feed manufacturing areas
  • • Inadequate emergency communication systems for remote or segregated silo locations
  • • Insufficient training and equipment for specialist rescue scenarios such as silo rescue or entrapment in augers
  • • Poor coordination with external emergency services unfamiliar with site layout and grain-specific hazards
15. Health Monitoring, Ergonomics and Fatigue Management
  • • Prolonged exposure to grain dust, noise and vibration without adequate health monitoring systems
  • • Manual handling of grain bags, spouts and components leading to musculoskeletal disorders
  • • Fatigue from seasonal peaks, extended shifts and night operations affecting decision making and reaction time
  • • Inadequate systems for managing heat stress in and around grain dryers and silos
  • • Insufficient reporting and follow-up on early signs of occupational illness or discomfort
16. Documentation, Monitoring, Audit and Continuous Improvement
  • • Outdated or incomplete WHS documentation for grain handling silos, augers, dryers and feed manufacturing systems
  • • Lack of performance monitoring leading to undetected control failures or drift from safe practices
  • • Poor incident and near-miss reporting culture for plant faults, blockages and unsafe conditions
  • • Failure to act on audit findings, inspection results or regulator notices
  • • Inconsistent application of procedures across multiple sites or shifts

Need to add specific hazards for your workplace?

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Legislation & References

This document was researched and developed to align with:

  • Work Health and Safety Act 2011
  • Work Health and Safety Regulations 2017
  • Managing the Risk of Plant in the Workplace Code of Practice: Guidance on lifecycle management of plant, including silos, augers and conveying systems.
  • Confined Spaces Code of Practice: Requirements for identifying, assessing and controlling risks associated with silo entry and internal work.
  • Managing the Work Environment and Facilities Code of Practice: Guidance on safe workplace design, amenities and environmental conditions for grain handling operations.
  • How to Manage Work Health and Safety Risks Code of Practice: Framework for risk management processes applied across grain handling activities.
  • Managing Noise and Preventing Hearing Loss at Work Code of Practice: Controls for noise exposure from augers, conveyors and grain dryers.
  • AS/NZS ISO 31000:2018: Risk management — Guidelines
  • AS 4024 Safety of Machinery (series): Requirements for machinery guarding, emergency stops and control systems for augers, conveyors and associated plant.
  • AS 1657:2018: Fixed platforms, walkways, stairways and ladders used for access to and around silos and elevated plant.
  • AS/NZS 60079 (series): Explosive atmospheres — Guidance relevant to combustible grain dust and potential explosion risks.
  • AS/NZS 3000:2018 (Wiring Rules): Electrical installations and safety requirements for plant and equipment.
Standard Risk Assessment Features (Click to Expand)
  • Comprehensive hazard identification for all activities
  • Risk rating matrix with likelihood and consequence analysis
  • Existing control measures evaluation
  • Residual risk assessment after controls
  • Hierarchy of controls recommendations
  • Action priority rankings
  • Review and monitoring requirements
  • Consultation and communication records
  • Legal compliance references
  • Sign-off and approval sections

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