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Site Access Slopes and Uneven Terrain Risk Assessment

Site Access Slopes and Uneven Terrain Risk Assessment

  • • 100% Compliant with Australian WHS Acts & Regulations
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Site Access Slopes and Uneven Terrain Risk Assessment

Product Overview

Identify and control organisational risks associated with Site Access Slopes and Uneven Terrain through a structured, management-level WHS Risk Management approach that supports planning, policy, training and infrastructure decisions. This Risk Assessment is designed to demonstrate Due Diligence, support compliance with the WHS Act, and reduce exposure to operational and organisational liability arising from access and terrain-related hazards.

Risk Categories & Hazards Covered

This document assesses risks and outlines management controls for:

  • Site Access Planning & Design: Assessment of how site layout, access routes and entry points are planned for sloping and uneven terrain, including design standards, gradients, separation of vehicles and pedestrians, and long-term infrastructure considerations.
  • Ground Stability & Surface Management: Management of ground condition assessments, geotechnical considerations, erosion, subsidence, surface treatments, and maintenance programs for slopes, embankments and uneven areas.
  • Pedestrian Access, Egress & Walkway Systems: Development of safe pedestrian routes, designated walkways, handrails, edge protection, lighting and wayfinding on sloped or irregular ground, including emergency egress planning.
  • Traffic & Mobile Plant Interaction on Sloping Ground: Controls for vehicle and mobile plant movements on gradients and uneven terrain, including route design, speed management, exclusion zones, visibility, and interaction with pedestrians.
  • Stairs, Ramps & Elevation Changes: Design and management of stairs, ramps, platforms, elevation changes and low overhead clearances to ensure safe access on varying levels and inclines.
  • Slips, Trips & Falls on Challenging Terrain: Strategies to minimise slip, trip and fall incidents on muddy, wet, loose, unstable or irregular surfaces, including housekeeping, drainage, surface treatments and footwear policies.
  • Congested & Restricted Areas: Management of crowding, bottlenecks and movement through tight or cluttered spaces on slopes, including layout optimisation, traffic flow controls and emergency access.
  • Moving & Falling Objects Around Terrain Hazards: Assessment of risks from moving vehicles, falling objects, unstable loads and overhead hazards when operating or moving around sloped or uneven ground and fixed obstacles.
  • Doors, Gates & Entry Systems: Protocols for powered, automatic and manually operated doors, gates and access systems on inclines, including force, speed, sensor placement and interaction with foot traffic and vehicles.
  • Worker Competency, Training & Induction: Requirements for competency, site-specific induction and ongoing training related to navigating sloped and uneven terrain, including awareness of access routes, exclusion zones and emergency procedures.
  • Fitness for Work & Human Factors: Consideration of fatigue, health, fitness and ergonomic demands associated with moving, working and supervising work on challenging terrain.
  • Weather, Environmental & Seasonal Impacts: Management of how rain, heat, cold, wind, ice, vegetation growth and seasonal changes affect ground conditions, visibility and safe access.
  • Contractor, Subcontractor & Visitor Access Control: Systems for controlling, briefing and supervising external parties accessing sloped or uneven areas, including permit systems, escorts and information provision.
  • WHS Governance & Continuous Improvement: Oversight, monitoring, inspections, incident review and continuous improvement processes specific to site access and terrain risks, including documentation, reporting and consultation mechanisms.

Who is this for?

This Risk Assessment is designed for Business Owners, Site Managers, Project Managers and Safety Officers responsible for planning, approving and managing site access on sloping, uneven or challenging terrain.

Hazards & Risks Covered

Hazard Risk Description
1. Site Access Planning & Design for Slopes and Uneven Terrain
  • • Inadequate planning for steep inclines, unstable surfaces and uneven terrain during site layout design
  • • Poorly designed access and egress routes that do not account for gradients, drainage and ground conditions
  • • Failure to segregate pedestrian walkways from plant and vehicle routes on sloping or uneven ground
  • • Insufficient assessment of access to elevated work areas, stairs and ramps at design stage
  • • Lack of design allowance for crowding and congestion at access pinch points
  • • Inadequate planning for safe return-to-site access following installation or construction phases
  • • Failure to incorporate safe ingress and egress to and from temporary work areas on sloping ground
2. Ground Stability Assessment & Surface Management
  • • Unidentified unstable ground, loose fill or non-compacted surfaces on access routes
  • • Deterioration of surfaces due to rain, mud, erosion or heavy traffic creating slippery or rutted paths
  • • Use of unsuitable temporary surfaces (e.g. boards, pallets) on steep or uneven ground
  • • Failure to detect subsidence, sinkholes or undermining near excavations and retaining structures
  • • Insufficient system for monitoring changes in ground condition over time
  • • Inadequate controls for working on non-stable surfaces such as freshly backfilled trenches or embankments
  • • Poor management of transitions between different surface types (gravel to concrete, grass to scaffold access, etc.) on slopes
3. Pedestrian Access, Egress & Walkway Management
  • • Inadequate systems to maintain clear safe walkways in crowded or congested workspaces
  • • Obstructions in access ways caused by stored materials, tools, debris or parked plant
  • • Poorly defined pedestrian routes on construction sites with uneven and sloping terrain
  • • Lack of management controls to ensure safe ingress and egress from work areas during different project phases
  • • Insufficient lighting and visibility on access routes, especially where elevation changes or steps exist
  • • Failure to control unauthorised shortcuts across unstable or restricted areas
  • • Inadequate emergency egress planning considering slopes, stairs and uneven terrain
4. Traffic & Mobile Plant Interaction on Sloping and Uneven Ground
  • • Uncontrolled interaction between pedestrians and mobile plant on inclines and uneven surfaces
  • • Inadequate traffic management plan that does not account for slope-related stopping distances or loss of control risks
  • • Poor positioning of materials loading/unloading zones on or near steep or unstable ground
  • • Failure to manage reversing, turning and blind spots on sloping terrain
  • • Lack of enforcement of speed limits and right-of-way rules on access roads with gradients
  • • Insufficient segregation of pedestrian movement around operating foot-traffic powered doors and vehicle entry points
5. Stairs, Ramps, Elevation Changes & Low Overhead Clearances
  • • Poorly designed or inadequately maintained stairs and ramps on sloping sites
  • • Lack of consistent handrails, edge protection and landings for elevation changes
  • • Unsafe temporary access solutions (e.g. makeshift steps) on uneven terrain
  • • Low overhead clearances on stairs or in access corridors causing impact injuries
  • • Insufficient consideration of step riser heights and tread depths for workers carrying tools or materials
  • • Lack of systems to inspect and control slip resistance of stair treads and ramp surfaces, particularly in wet or muddy conditions
6. Slips, Trips and Falls on Slopes, Muddy and Uneven Areas
  • • Inadequate controls for navigating slippery, muddy, wet or loose surfaces on sloping ground
  • • Poor management of trailing leads, hoses and temporary services across walkways
  • • Lack of systems to promptly address trip hazards such as uneven surfaces, potholes and debris
  • • Insufficient oversight of work on non-stable or shifting surfaces
  • • Failure to control access to high-risk areas during and after adverse weather
  • • Inadequate consideration of slip and trip hazards in contractor and subcontractor management processes
7. Congested Areas, Crowding and Movement in Tight or Cluttered Spaces
  • • Overcrowding in access ways, work fronts and amenities located on or near slopes
  • • Ineffective control of material storage leading to cluttered walk paths and work zones
  • • Lack of systems to manage simultaneous activities competing for limited space
  • • Inadequate planning for worker movement through narrow corridors, scaffolds or temporary structures on uneven terrain
  • • Failure to manage queuing and congregation points at gates, lunch rooms and amenities on sloping ground
  • • Poor communication of one-way systems or controlled entry in constrained work areas
8. Moving Objects, Falling Objects & Working Around Obstacles
  • • Inadequate controls for moving objects (materials, tools, components) along sloping pathways
  • • Poorly secured loads and equipment that may slide, roll or topple on inclines
  • • Failure to control overhead work and falling objects near pedestrian walkways on uneven terrain
  • • Obstacles such as scaffolds, formwork and services blocking views and creating collision risks
  • • Insufficient exclusion zones and barricading around lift zones and high-risk activities
  • • Lack of procedures for safe movement of trolleys, wheelbarrows and mechanical aids on steep slopes
9. Powered, Automatic and Foot-Traffic Operated Doors & Entry Systems
  • • Inadequate control of pedestrian flow through powered or automatic doors at the interface between level and sloping surfaces
  • • Door systems that open directly onto stairs, ramps or uneven external surfaces without adequate landing space
  • • Lack of maintenance and inspection of door safety features (sensors, interlocks, emergency release)
  • • Poor visibility and line-of-sight at doorways used by both pedestrians and vehicles or mobile plant
  • • Insufficient emergency egress provisions through powered doors in the event of power loss or malfunction
  • • Failure to consider increased slip risk at thresholds where water and mud are tracked in from sloping external paths
10. Worker Competency, Training & Induction for Sloped and Uneven Sites
  • • Lack of worker awareness of risks associated with navigating steep slopes, unstable surfaces and uneven terrain
  • • Supervisors not competent to identify and manage access and egress risks on complex building sites
  • • Insufficient training for new or young workers on movement through congested and cluttered areas
  • • Inadequate induction content regarding site-specific access routes, no-go zones and emergency egress paths
  • • Poor understanding of manual handling risks when carrying tools and materials over slopes and stairs
  • • Failure to ensure labour hire and subcontractor workers receive consistent information about terrain-related hazards
11. Fatigue, Health & Fitness to Navigate Challenging Terrain
  • • Workers with reduced fitness or health issues struggling to safely navigate steep inclines and uneven ground
  • • Fatigue from repeated climbing, descending and walking on unstable surfaces increasing the risk of missteps and falls
  • • Inadequate consideration of heat, weather and workload when planning movement around large or sloping sites
  • • Lack of systems to identify and manage workers with temporary or permanent mobility restrictions
  • • Poor job design that requires excessive carrying of loads over long distances or steep gradients
  • • Insufficient rest breaks or rotation for tasks involving frequent negotiating of stairs and elevation changes
12. Weather, Environmental Conditions & Seasonal Impacts on Terrain
  • • Rapid deterioration of access routes on slopes due to rain, flooding, erosion or high winds
  • • Inadequate planning for seasonal changes affecting ground stability and traction
  • • Poor drainage design resulting in persistent muddy areas and water pooling on walkways
  • • Insufficient monitoring of weather forecasts and conditions leading to unplanned exposure to unsafe terrain
  • • Failure to adjust work sequencing or access routes in response to adverse conditions
  • • Lack of clear criteria for suspending or modifying work involving slopes and unstable surfaces during extreme weather
13. Contractor, Subcontractor & Visitor Access Control
  • • Inconsistent application of access and egress controls across multiple contractors working on the same site
  • • Visitors and short-term workers unfamiliar with terrain-related hazards entering high-risk areas
  • • Subcontractor-designed access solutions that do not meet site or legislative requirements
  • • Poor communication of changes to access routes, slopes and unstable areas to all duty holders
  • • Lack of verification that subcontractor WHS management systems adequately control uneven terrain risks
  • • Inadequate escort or supervision arrangements for visitors in congested or sloping work zones
14. WHS Governance, Monitoring & Continuous Improvement for Site Terrain Risks
  • • Lack of systematic oversight of access, egress and terrain-related risks at management level
  • • Insufficient incident and near miss analysis specific to slips, trips, falls and movement around building sites
  • • Failure to update procedures and controls after changes in legislation or site configuration
  • • Inadequate worker consultation regarding practical issues with navigating slopes and uneven terrain
  • • Poor integration of terrain risk controls into WHS management system audits and inspections
  • • Over-reliance on PPE and behavioural reminders instead of robust engineering and administrative controls

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
  • Code of Practice: How to Manage Work Health and Safety Risks: Guidance on systematic risk management processes.
  • Code of Practice: Managing the Work Environment and Facilities: Requirements for safe access, egress and movement around workplaces.
  • Code of Practice: Traffic Management in Workplaces (where applicable): Guidance for managing interactions between vehicles, mobile plant and pedestrians.
  • AS/NZS ISO 31000:2018: Risk management — Guidelines.
  • AS 1657:2018: Fixed platforms, walkways, stairways and ladders — Design, construction and installation.
  • AS/NZS 2890 series: Parking facilities — Design of vehicle access paths, gradients and circulation (where relevant to site access design).
  • AS 1319:1994: Safety signs for the occupational environment — Requirements for signage supporting safe access and traffic control.
  • AS/NZS 4801:2001 / ISO 45001:2018 (as adopted): Occupational health and safety management systems — Frameworks for integrating terrain-related risks into WHS governance.
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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