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Plant Maintenance Repair and Commissioning Risk Assessment

Plant Maintenance Repair and Commissioning 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

Plant Maintenance Repair and Commissioning Risk Assessment

Product Overview

Identify and control organisational risks associated with Plant Maintenance, Repair and Commissioning at a management and systems level, ensuring robust planning, governance and verification of controls across your operations. This Risk Assessment supports WHS Act compliance, demonstrates executive Due Diligence, and helps protect your business from enforcement action and operational liability.

Risk Categories & Hazards Covered

This document assesses risks and outlines management controls for:

  • Governance & WHS Leadership: Assessment of PCBU duties, officer due diligence, safety leadership behaviours and the integration of maintenance risk into corporate governance frameworks.
  • Plant Design, Procurement & Modification Control: Management of design-in safety, engineering change control, OEM specification compliance and lifecycle risk when purchasing, upgrading or altering plant.
  • Plant Risk Management & WHS Documentation Systems: Evaluation of plant risk registers, maintenance-related SWMS/JSA use, procedures, inspection records and document control for ongoing compliance.
  • Isolation, Lockout/Tagout & Energy Control Systems: Protocols for controlling hazardous energies (electrical, hydraulic, pneumatic, mechanical, thermal) including isolation standards, tagging systems and verification of zero-energy state.
  • Maintenance Planning, Scheduling & Work Management: Assessment of work order systems, prioritisation of safety-critical tasks, coordination of shutdowns and integration of risk controls into planning and scheduling processes.
  • Competency, Training & Supervision of Maintenance Personnel: Controls for licensing, competency assessment, refresher training, supervision levels and authorisation of personnel for high-risk maintenance activities.
  • Contractor & Third‑Party Management: Management of contractor selection, prequalification, induction, scope definition, supervision and performance monitoring for maintenance and commissioning works.
  • Plant Guarding, Interlocks & Safety Systems Management: Oversight of fixed and interlocked guarding, emergency stops, safety PLCs and verification testing regimes to maintain integrity during and after maintenance.
  • High‑Risk Maintenance Activities: Risk assessment of work on hydraulic, high‑pressure, heavy or suspended components, including stored energy, crush and release hazards and specialised tooling requirements.
  • Cleaning, Housekeeping & Post‑Maintenance Restoration: Controls for contamination, spills, debris, removal of tools and temporary devices, and safe return-to-service checks following maintenance or commissioning.
  • Mobile Plant, Access & Traffic Interface Management: Management of interactions between maintenance personnel, mobile plant and vehicles, including exclusion zones, spotters, access equipment and traffic plans.
  • Permit to Work, Authorisation & Change Management: Systems for hot work, confined space, working at height and other permits, plus authorisation workflows and MOC (Management of Change) for plant and process changes.
  • Emergency Preparedness, Incident Response & First Aid: Planning for foreseeable maintenance-related emergencies, including rescue arrangements, spill response, fire, first aid coverage and post-incident review.
  • Consultation, Worker Engagement & WHS Culture: Processes for involving maintenance teams, HSRs and contractors in risk assessments, toolbox talks and continuous improvement to strengthen WHS culture.

Who is this for?

This Risk Assessment is designed for Business Owners, Officers, Maintenance Managers, Project Managers and Safety Professionals responsible for planning, approving and overseeing plant maintenance, repair and commissioning activities across their organisation.

Hazards & Risks Covered

Hazard Risk Description
1. Governance, WHS Leadership and PCBU Duties
  • • Lack of clear WHS governance structure for plant maintenance, repair and commissioning activities
  • • PCBU and Officers not adequately discharging due diligence obligations under WHS Act 2011
  • • Fragmented responsibilities between maintenance, operations, projects and contractors leading to gaps in controls
  • • Inadequate resourcing (time, budget, competent personnel) for safe maintenance and commissioning work
  • • Poor integration of WHS requirements into asset management and project decision‑making
  • • Failure to consider WHS implications when approving plant changes, upgrades or decommissioning
  • • Insufficient oversight of high‑risk activities such as making alterations on live plant or working on mobile plant
  • • Lack of formal review following incidents, near misses or major plant failures
2. Plant Design, Procurement and Modification Control
  • • Procurement of plant that is not inherently safe or not fit for intended use
  • • Failure to obtain or consider designer, manufacturer and supplier safety information as required by WHS Act 2011
  • • Inadequate consideration of maintenance access, guarding, isolation points and cleaning requirements at design stage
  • • Uncontrolled or undocumented modifications to complex machinery, fittings or safety systems
  • • Incompatibility between new equipment and existing plant, increasing risk of system failures
  • • Design of plant that makes safe greasing sequences, inspection of hydraulic lifts, or cleaning complex machinery impractical
  • • Use of non‑standard or unverified components during repairs and plant upgrades
  • • Failure to consider commissioning risks (e.g. making alterations on live plant, plant commissioning activities) during project planning
3. Plant Risk Management and WHS Documentation System
  • • Absence of formal, current plant risk assessments covering maintenance, repair and commissioning activities
  • • Risk assessments focused only on operational production tasks, not on maintenance system and management risks
  • • Outdated or inconsistent Safe Work Procedures, SWMS and isolation procedures for complex machinery
  • • Failure to control risks associated with high‑pressure grease injection, hydraulic lifts, dismantling and reassembly of heavy machinery
  • • Lack of documented criteria for when formal SWMS are required for high‑risk construction‑type maintenance tasks
  • • Poor version control of risk assessments and procedures leading to conflicting documents in circulation
4. Isolation, Lockout/Tagout and Energy Control Systems
  • • Inadequate lockout/tagout (LOTO) procedures for complex or integrated plant systems
  • • Unknown or poorly identified energy sources including hydraulic, pneumatic, stored mechanical, electrical and process energy
  • • Bypassing or defeating isolation points during fault finding or plant commissioning activities
  • • Working on live plant or making alterations on a live plant without formal risk assessment and approval
  • • Inconsistent application of isolation procedures across business units and contractors
  • • Inadequate verification of isolation prior to dismantling plant, changing machine fittings or conducting inspection of machinery for faults
  • • Failure to control stored energy during tasks such as fitting and removing rollers, inspecting hydraulic lifts or disassembling machinery
5. Maintenance Planning, Scheduling and Work Management
  • • Reactive, breakdown‑driven maintenance creating time pressure and unsafe decision‑making
  • • Poor planning of major shutdowns and plant commissioning activities leading to congestion, conflicting tasks and supervision gaps
  • • Inadequate allowance in schedules for safe isolation, disassembly, cleaning and testing of equipment
  • • Failure to integrate WHS risk controls into Computerised Maintenance Management System (CMMS) work orders
  • • Unclear prioritisation of safety‑critical defects and overdue inspection findings
  • • Maintenance on mobile plant scheduled without considering interaction risks with production and traffic flows
6. Competency, Training and Supervision of Maintenance Personnel
  • • Maintenance workers, technicians and engineers not formally assessed as competent for complex plant systems
  • • Inadequate training on specific hazards such as high‑pressure grease injection, hydraulic systems, and heavy machinery dismantling
  • • Reliance on informal on‑the‑job learning without structured assessment or verification of understanding
  • • Supervisors not adequately trained in WHS obligations, risk assessment and permit to work processes
  • • Inadequate competency checks for contractors engaged in plant commissioning, repair and installation activities
  • • Insufficient supervision during high‑risk activities such as installing and removing machine guards, adjusting complex machinery or dealing with faults in live systems
7. Contractor and Third‑Party Management
  • • Contractors performing maintenance, equipment assembly and installation, or commissioning without full understanding of site‑specific risks
  • • Poor coordination between contractor and in‑house teams during maintenance on mobile plant and complex machinery
  • • Gaps between contractor safety systems and the PCBU’s WHS risk controls
  • • Inadequate review of contractor SWMS for high‑risk construction‑type maintenance work
  • • Contractor assumptions that their existing procedures cover site‑specific hazards such as plant guarding arrangements or live plant alterations
  • • Insufficient monitoring of contractor performance and adherence to site WHS requirements
8. Plant Guarding, Interlocks and Safety Systems Management
  • • Machine guards removed, not replaced, or incorrectly installed after maintenance or cleaning
  • • Interlocks and safety systems bypassed for fault finding, adjustments or plant commissioning activities
  • • Inadequate design and documentation for installing and removing machine guards, including those on mobile plant
  • • Failure to maintain or test emergency stops, interlocks, light curtains and other protective devices
  • • Uncontrolled changes to control system software affecting safety system reliability
  • • Lack of clear criteria for temporary removal of guards during tasks such as greasing sequences or inspection of machinery for faults
9. High‑Risk Maintenance Activities (Hydraulic, High‑Pressure and Heavy Components)
  • • Uncontrolled release of high‑pressure fluids during greasing, hydraulic maintenance or high‑pressure grease injection
  • • Crush and impact injuries from failure of hydraulic lifts, jacks or supports during inspection or repair
  • • Manual handling and mechanical lifting risks when dismantling heavy machinery, fitting and removing rollers or disassembling plant components
  • • Failure to depressurise, chock or support heavy moving parts before work commences
  • • Inadequate design and management of lifting points and lifting gear used in maintenance and installation tasks
  • • Competency gaps in recognising and controlling stored energy in complex hydraulic and pneumatic systems
10. Cleaning, Housekeeping and Post‑Maintenance Restoration
  • • Residual contamination, product build‑up or cleaning agents left on plant after cleaning complex machinery or post‑operation cleaning
  • • Slips, trips and falls due to poor housekeeping around maintenance and dismantling work areas
  • • Plant returned to service with components not fully reassembled or incorrectly adjusted following cleaning or dismantling
  • • Failure to account for foreign objects, tools and rags left inside plant after cleaning and reassembly
  • • Inadequate systems for verifying that guards, labels and safety devices are reinstated after cleaning or maintenance
  • • Exposure to hazardous substances during cleaning processes without appropriate controls
11. Mobile Plant, Access and Traffic Interface Management
  • • Maintenance on mobile plant conducted in uncontrolled areas, exposing workers to vehicle movements and collision risks
  • • Inadequate separation of pedestrians, maintenance personnel and operational traffic in workshops and plant areas
  • • Unsafe access arrangements to elevated or awkward plant locations for inspection, greasing or repair
  • • Use of inappropriate or poorly maintained access equipment (ladders, platforms, EWP) during maintenance and commissioning
  • • Lack of coordination between operations and maintenance regarding mobile plant availability and isolation
  • • Poor visibility and communication in yards, loading areas and workshops where mobile plant is maintained
12. Permit to Work, Authorisation and Change Management
  • • High‑risk maintenance tasks (e.g. confined space entry, hot work, live testing, work at height) conducted without permits
  • • Unclear authority levels for approving complex repair or commissioning activities on critical plant
  • • Uncontrolled temporary changes or bypasses to safety systems during fault‑finding and commissioning
  • • Poor communication of active permits, isolations and temporary changes across shifts and work groups
  • • Failure to review and close out permits properly, resulting in plant restarted in an unsafe condition
  • • Inadequate management of change for design alterations, process changes or introduction of new plant
13. Emergency Preparedness, Incident Response and First Aid
  • • Delayed or ineffective response to incidents during plant repair, cleaning or commissioning activities
  • • Lack of specific emergency procedures for high‑risk exposures such as hydraulic injection injuries or entrapment during machinery adjustment
  • • Inadequate first aid coverage in maintenance workshops and remote plant locations
  • • Poor communication systems for summoning assistance during maintenance on mobile plant or in isolated areas
  • • Failure to capture and learn from near misses and minor injuries associated with plant maintenance
  • • Emergency equipment (fire extinguishers, spill kits, rescue gear) not readily available or maintained in relevant plant areas
14. Consultation, Worker Engagement and WHS Culture
  • • Maintenance and commissioning workers not consulted on practical plant safety issues and changes to systems of work
  • • Low reporting of hazards, near misses or concerns due to poor safety culture or fear of reprisal
  • • Insufficient involvement of Health and Safety Representatives (HSRs) in plant risk assessments and change processes
  • • Breakdown in communication between shifts leading to repeated faults, unsafe short‑cuts and workaround practices
  • • Limited feedback loops to workers on outcomes of risk assessments, audits or incident investigations
  • • Cultural acceptance of working on live plant or bypassing guards to maintain production

Need to add specific hazards for your workplace?

Don't worry if a specific hazard isn't listed above. Once you purchase, simply log in to your Client Portal and add your own custom hazards at no extra cost. We take care of the hard work—creating the risk ratings and control measures for free—to ensure your document is compliant within minutes.

Legislation & References

This document was researched and developed to align with:

  • Work Health and Safety Act 2011
  • Work Health and Safety Regulations 2017
  • Code of Practice – Managing the Risks of Plant in the Workplace: Guidance on identifying and controlling plant-related hazards.
  • Code of Practice – How to Manage Work Health and Safety Risks: Framework for systematic risk management and control implementation.
  • AS/NZS ISO 31000:2018: Risk management — Guidelines.
  • AS 4024 Safety of Machinery (series): Standards for machinery design, guarding, interlocks and safety-related control systems.
  • AS/NZS 4801 / ISO 45001: Occupational health and safety management systems — Requirements for systematic WHS governance and continual improvement.
  • AS/NZS 3000 (Wiring Rules): Electrical installation safety requirements relevant to maintenance and commissioning of electrical plant.
  • AS 1657: Fixed platforms, walkways, stairways and ladders — Design, construction and installation for safe access to plant.
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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