Product Overview

Summary: This SOP provides a structured, defensible process for assessing and verifying ground conditions before setting up any crane on site. It helps Australian businesses prevent crane overturns, structural failures and costly incidents by ensuring the ground, slabs and supporting structures are properly evaluated, documented and signed off prior to lifting operations.

Ground failure is one of the leading causes of crane incidents in Australia, often resulting in catastrophic damage, serious injuries and project shutdowns. This Ground Condition Evaluation for Crane Setup SOP establishes a clear, step‑by‑step process for assessing soil bearing capacity, underground services, edge distances, backfilled areas and slabs prior to positioning any mobile or tower crane. It guides your team through pre‑planning, engineering verification, on-site inspection, documentation and sign‑off so that crane outriggers, tracks and mats are always supported by suitable ground conditions.

Developed specifically for Australian construction, civil and industrial environments, this procedure helps businesses meet their WHS duties by turning what is often an informal visual check into a consistent, evidence‑based assessment. It addresses common risks such as unverified fill, weak pavements, underground voids, services corridors and nearby excavations, and links them to practical controls such as engineering certification, exclusion zones, ground improvement and crane mat design. By implementing this SOP, organisations can demonstrate due diligence to regulators, crane owners and clients, while giving site teams a practical tool to make safe, defensible decisions about crane setup every time.

Key Benefits

• Reduce the risk of crane overturns and ground collapses through a structured, repeatable assessment process.
• Ensure compliance with Australian WHS legislation and industry guidance on crane setup and ground stability.
• Standardise how supervisors, engineers and crane crews evaluate and document ground conditions across multiple sites.
• Improve coordination between crane providers, principal contractors and engineers by clarifying responsibilities and sign‑off requirements.
• Minimise project delays, damage to underground services and costly incident investigations by identifying ground issues early in the planning phase.

Who is this for?

• Crane Operators
• Doggers and Riggers
• Site Supervisors
• Construction Project Managers
• WHS Managers and Advisors
• Principal Contractors
• Civil Engineers and Structural Engineers
• Plant and Equipment Coordinators
• Fleet and Crane Hire Managers

Hazards Addressed

• Crane overturning due to inadequate ground bearing capacity
• Collapse or punching failure of concrete slabs, pavements or suspended structures under outrigger loads
• Failure of backfilled trenches, services corridors or recently compacted ground
• Crane instability near excavations, retaining walls, batters or embankment edges
• Damage to underground services such as gas, water, sewer, electrical and communications
• Uncontrolled ground settlement or subsidence during lifting operations
• Struck-by incidents arising from crane collapse or load loss
• Slips, trips and falls around uneven or compromised setup areas

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Key Terms (e.g. bearing capacity, outrigger load, backfill, suspended slab)
• 3.0 Roles and Responsibilities (Principal Contractor, Crane Owner, Engineer, Site Supervisor, Crane Operator)
• 4.0 Pre‑Planning Requirements (lift studies, load charts, preliminary ground information)
• 5.0 Ground Information Collection (geotechnical reports, as‑constructed drawings, services plans, compaction records)
• 6.0 Site Inspection and Ground Assessment Procedure
• 7.0 Evaluation of Soil and Fill Conditions (visual indicators, testing, moisture and compaction considerations)
• 8.0 Assessment of Slabs, Pavements and Suspended Structures for Crane Loads
• 9.0 Identification and Control of Underground Services and Voids
• 10.0 Edge Distances, Excavations, Retaining Walls and Slope Stability Requirements
• 11.0 Determining Need for Engineering Assessment and Certification
• 12.0 Crane Mats, Pads and Ground Improvement Measures
• 13.0 Weather, Drainage and Changing Ground Conditions
• 14.0 Risk Assessment and Control Measures (including hierarchy of control)
• 15.0 Documentation, Checklists and Sign‑off Requirements
• 16.0 Communication and Consultation with Crane Crews and Subcontractors
• 17.0 Monitoring During Operations and Re‑assessment Triggers
• 18.0 Non‑Conformance Management and Corrective Actions
• 19.0 Training, Competency and Verification of Skills
• 20.0 Review, Audit and Continuous Improvement of the Procedure
• Appendix A – Ground Condition Evaluation Checklist
• Appendix B – Example Ground Bearing Pressure Calculations and References
• Appendix C – Sample Engineering Sign‑off Form for Crane Setup
• Appendix D – Typical Control Measures and Crane Mat Configurations

Legislation & References

• Work Health and Safety Act 2011 (Cth and relevant state/territory variants)
• Work Health and Safety Regulation 2011 (Cth and relevant state/territory variants) – provisions for plant and high risk work
• Safe Work Australia – General Guide for Cranes
• Safe Work Australia – Code of Practice: Managing the Risks of Plant in the Workplace
• AS 1418 series – Cranes, hoists and winches
• AS 2550 series – Cranes, hoists and winches – Safe use
• AS 3798 – Guidelines on earthworks for commercial and residential developments
• AS 2159 – Piling – Design and installation (for reference to ground capacity and support where relevant)
• Relevant state/territory Codes of Practice for Construction Work