Product Overview

Summary: This Foundation Stability Inspection Safe Operating Procedure provides a clear, repeatable method for assessing the structural integrity and stability of building and civil foundations. It helps Australian businesses identify early warning signs of movement or failure, manage WHS risks, and document due diligence to protect workers, occupants, and surrounding assets.

Foundation instability can lead to catastrophic structural failures, serious injuries, and significant financial loss. In the Australian context, factors such as reactive clay soils, coastal conditions, flooding, and excavation works can all compromise foundation performance over time. This Foundation Stability Inspection Safe Operating Procedure sets out a structured, evidence-based approach for inspecting, monitoring, and documenting foundation conditions in new builds, refurbishments, and existing assets.

The SOP guides users through pre-inspection planning, on-site safety controls, visual and measurement-based assessment methods, and clear acceptance/rejection criteria aligned with relevant Australian Standards. It supports early identification of cracking, settlement, heave, erosion, undermining, and adjacent works that may impact stability. By implementing this procedure, organisations can demonstrate compliance with WHS duties to provide a safe workplace and safe structures, while also supporting asset management, insurance, and regulatory reporting requirements.

This document is particularly valuable for businesses managing multiple sites or contractors, as it standardises how foundation stability is inspected and reported across projects. It reduces reliance on informal practices, improves communication between engineers, supervisors and workers, and ensures that any required remedial actions are prioritised and tracked to completion.

Key Benefits

• Identify early signs of foundation movement or failure before they escalate into major structural issues.
• Reduce the risk of structural collapse, ground subsidence, and related injuries to workers and occupants.
• Standardise inspection methods and documentation across projects, contractors, and sites.
• Demonstrate compliance with WHS obligations and Australian building and structural standards.
• Support informed decision-making on maintenance, remediation, and project planning through consistent inspection data.

Who is this for?

• Site Supervisors
• Construction Project Managers
• Civil Engineers
• Structural Engineers
• Building Inspectors
• WHS Managers
• Facilities and Asset Managers
• Maintenance Supervisors
• Property Managers
• Geotechnical Consultants

Hazards Addressed

• Structural collapse or partial building failure due to unstable foundations
• Ground subsidence and voids creating trip, fall, or engulfment risks
• Falling objects from cracking or failing structural elements
• Undermining of adjacent structures or services during excavation and nearby works
• Entrapment or injury in areas affected by foundation heave or differential settlement
• Exposure to unsafe work areas such as unstable trenches, pits, or retaining walls
• Secondary hazards from damaged services (gas, water, electrical) caused by foundation movement

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Terminology
• 3.0 Roles and Responsibilities
• 4.0 Applicable Legislation, Standards and Codes of Practice
• 5.0 Pre‑Inspection Planning and Risk Assessment
• 6.0 Site Access, Permits and Consultation Requirements
• 7.0 Required Competencies, Training and Authorisations
• 8.0 Tools, Instruments and Personal Protective Equipment (PPE)
• 9.0 Foundation Types and Typical Failure Modes
• 10.0 Step‑by‑Step Inspection Procedure
• 10.1 Initial Site Walk‑Through and Safety Checks
• 10.2 Review of Drawings, Soil Reports and Previous Records
• 10.3 Visual Inspection of Superstructure and Surrounding Ground
• 10.4 Inspection of Exposed Footings, Slabs, Piles and Retaining Elements
• 10.5 Measurement and Monitoring (levels, crack gauges, settlement markers)
• 10.6 Assessment of Adjacent Works, Services and Environmental Factors
• 10.7 Determination of Foundation Stability and Risk Rating
• 11.0 Hazard Identification and Control Measures
• 12.0 Criteria for Escalation to Engineering or Geotechnical Assessment
• 13.0 Documentation, Photographic Records and Inspection Reports
• 14.0 Corrective Actions, Remediation Planning and Follow‑Up
• 15.0 Communication of Findings to Workers, Clients and Regulators
• 16.0 Emergency Response Procedures for Detected Instability
• 17.0 Recordkeeping, Data Management and Retention Periods
• 18.0 Review, Audit and Continuous Improvement of the Procedure
• 19.0 References, Forms and Inspection Checklists (Templates)

Legislation & References

• Work Health and Safety Act 2011 (Cth) and corresponding state and territory WHS legislation
• Work Health and Safety Regulations 2011 (Cth) and corresponding state and territory WHS regulations
• Safe Work Australia – Code of Practice: Managing the Risk of Falls at Workplaces
• Safe Work Australia – Code of Practice: Excavation Work
• AS 2870: Residential slabs and footings
• AS 2159: Piling – Design and installation
• AS 3600: Concrete structures
• AS 1170: Structural design actions
• AS/NZS ISO 31000: Risk management – Guidelines