BlueSafe
Deep Foundation Works Risk Assessment

Deep Foundation Works Risk Assessment

  • • 100% Compliant with Australian WHS Acts & Regulations
  • • Fully Editable MS Word & PDF Formats Included
  • • Pre-filled Content – Ready to Deploy Immediately
  • • Customisable – Easily Add Your Logo & Site Details
  • • Includes 2 Years of Free Compliance Updates

Deep Foundation Works Risk Assessment

Product Overview

Identify and control organisational risks associated with Deep Foundation Works at a management, planning and systems level using this comprehensive Risk Assessment, developed specifically for complex piling, CFA, bored pier and ground improvement operations. It supports executive and senior management in demonstrating WHS Act due diligence, strengthening WHS risk management processes and protecting the business from avoidable operational liability.

Risk Categories & Hazards Covered

This document assesses risks and outlines management controls for:

  • WHS Governance, Planning & Legal Compliance: Assessment of board and senior management due diligence, WHS policy framework, consultation arrangements and alignment of deep foundation activities with statutory obligations and client requirements.
  • Design, Geotechnical Information & Temporary Works Engineering: Management of design risk, adequacy of geotechnical data, verification of pile design assumptions and engineering control of temporary works, working platforms and support systems.
  • Contractor Selection, Competency & Supervision: Protocols for prequalification, capability assessment, supervision structures and monitoring of specialist piling contractors and subcontractors.
  • Plant, Rig Selection & Engineering Control Systems: Assessment of piling rigs, cranes, pumps and ancillary plant, including engineering verification, guarding, interlocks, stability, proximity systems and maintenance programs.
  • Site Layout, Working Platforms & Traffic Management: Management of site planning, rig access routes, working platform certification, segregation of mobile plant and pedestrians, and interface with other trades and public areas.
  • Underground & Overhead Services, Adjacent Structures & Public Interfaces: Controls for service location, isolation and protection, vibration and settlement impacts on nearby structures, and protection of the public at site boundaries and shared access ways.
  • Groundwater, Stability & Excavation Management: Assessment of groundwater inflow, dewatering strategies, collapse risks, slope stability and interaction between excavations, piles, shoring and existing foundations.
  • Lifting, Handling of Reinforcement, Casings & Heavy Components: Management of lifting studies, crane selection, rigging practices, reinforcement cages, casings, tremie pipes and heavy tooling, including exclusion zones and lift supervision.
  • Deep Foundation Construction Procedures & Quality Controls: Oversight of construction methodologies (e.g. bored piles, CFA, displacement piles, diaphragm walls), concrete placement, testing, verification records and non-conformance management.
  • Worker Consultation, Training, Induction & Communication: Systems for competency verification, task-specific training, high-risk construction work inductions, toolbox talks and information flow between designers, engineers and site teams.
  • Fatigue, Rostering, Environmental Conditions & Psychosocial Factors: Assessment of shift patterns, night works, remote or constrained sites, heat, noise, vibration and psychosocial stressors impacting workers on deep foundation projects.
  • Emergency Preparedness, Rescue & Incident Management: Planning for entrapment, collapse, plant roll-over, inundation and service strike scenarios, including rescue resources, drills, escalation protocols and regulator notification.
  • Environmental, Contamination & Waste Interface with WHS: Management of contaminated soils and groundwater, spoil handling, slurry and waste streams, and their interaction with worker exposure, plant integrity and site controls.
  • Documentation, Records, Auditing & Continuous Improvement: Systems for maintaining risk registers, permits, inspections, design verifications, plant records, audits, corrective actions and ongoing improvement of deep foundation safety performance.

Who is this for?

This Risk Assessment is designed for Business Owners, Construction Directors, Project Managers and Safety Managers responsible for planning, procuring and overseeing Deep Foundation Works on civil, infrastructure and building projects.

Hazards & Risks Covered

Hazard Risk Description
1. WHS Governance, Planning & Legal Compliance
  • • Absence of a project-specific WHS management plan for deep foundation works
  • • Poor integration of WHS Act 2011 and WHS Regulation requirements into project systems
  • • Unclear allocation of PCBU, officer and worker WHS duties across principal contractor, piling contractor and subcontractors
  • • Lack of documented WHS objectives, performance indicators and review processes for foundation works
  • • Failure to consult, cooperate and coordinate activities between multiple PCBUs on a congested site
  • • Inadequate review of design and geotechnical documentation from a WHS risk perspective
2. Design, Geotechnical Information & Temporary Works Engineering
  • • Insufficient or inaccurate geotechnical investigation leading to unforeseen ground conditions
  • • Lack of engineering verification of pile design, socket lengths and capacities against actual site conditions
  • • Inadequate design and certification of temporary works (e.g. casings, shoring, platforms, guide walls)
  • • Poor communication of design assumptions and limitations to construction management
  • • Design not considering constructability, plant limitations and stability during drilling and concreting
  • • Failure to manage design changes or field design adjustments in a controlled manner
3. Contractor Selection, Competency & Supervision
  • • Engagement of piling contractors without demonstrable experience in deep foundation works under similar ground and site conditions
  • • Inadequate verification of licences, high‑risk work tickets and evidence of competency for drilling rig operators and riggers
  • • Insufficient site supervision and oversight for critical deep foundation activities
  • • Reliance on labour hire or short‑term workers without structured induction or verification of experience
  • • Lack of ongoing competency assessment and training for changes in plant, methods or technology
4. Plant, Rig Selection & Engineering Control Systems
  • • Use of drilling rigs or cranes not suitably sized or rated for maximum anticipated loads and depths
  • • Inadequate maintenance systems leading to plant failure, dropped objects or loss of control
  • • Lack of safety interlocks, load indicators or slew/height limiting devices on critical plant
  • • Poor management of aftermarket modifications to rigs, augers, casing oscillators or kelly bars
  • • Unclear arrangements for plant inspection, pre‑start checks and statutory certifications
  • • Use of non‑compliant lifting gear or attachments for handling long reinforcement cages and casings
5. Site Layout, Working Platforms & Traffic Management
  • • Inadequately designed or constructed working platforms leading to rig instability or overturning
  • • Uncontrolled interaction between heavy plant, delivery trucks and pedestrians
  • • Insufficient exclusion zones around rigs, swinging loads and rotating tools
  • • Poor material laydown planning causing congestion, blocked access and emergency egress issues
  • • Lack of control for reversing manoeuvres and night‑time operations
6. Underground & Overhead Services, Adjacent Structures & Public Interfaces
  • • Inadvertent contact with underground utilities (gas, electricity, water, communications) during deep drilling
  • • Plant encroachment into overhead powerline exclusion zones
  • • Ground movement or vibration impacting adjacent structures, retaining systems or sensitive infrastructure
  • • Insufficient segregation from public areas, roads or neighbouring properties
  • • Inadequate monitoring of settlement, ground displacement or structural movement
7. Groundwater, Stability & Excavation Management
  • • Unexpected groundwater inflows causing shaft wall instability or base heave
  • • Inadequate systems for managing drilling slurry, spoil and water leading to environmental and safety issues
  • • Failure of temporary casing or support systems resulting in collapse or entrapment
  • • Uncontrolled excavation near existing foundations, utilities or slopes increasing risk of ground failure
  • • Insufficient technical oversight for complex ground conditions (e.g. loose sands, soft clays, fractured rock)
8. Lifting, Handling of Reinforcement, Casings & Heavy Components
  • • Systemic failure in planning and coordinating complex lifts of long reinforcement cages or heavy casings
  • • Use of inappropriate lifting points or non‑engineered lifting frames for cages and segments
  • • Inadequate lifting studies for tandem or multi‑crane operations
  • • Poorly controlled movement of suspended loads through congested work areas
  • • Insufficient inspection and tracking of lifting gear condition and certification
9. Deep Foundation Construction Procedures & Quality Controls
  • • Lack of formalised procedures for drilled shaft construction, cage placement and concrete placement sequences
  • • Inadequate verification of pile verticality, depth, cleanliness and reinforcement position
  • • Inconsistent quality control leading to structural defects and latent failures
  • • Poorly managed non‑conformances and rework that compromise structural integrity or safety
  • • Failure to manage interface between geotechnical design intent and as‑built construction practices
10. Worker Consultation, Training, Induction & Communication
  • • Inadequate communication of deep foundation hazards and critical controls to workers and subcontractors
  • • Lack of site‑specific induction content relevant to drilling and piling systems and risks
  • • Poor consultation processes leading to unreported hazards, near misses and unsafe practices
  • • Language, literacy or cultural barriers affecting understanding of procedures and instructions
  • • Insufficient training in emergency procedures relating to entrapment, ground collapse or plant incidents
11. Fatigue, Rostering, Environmental Conditions & Psychosocial Factors
  • • Excessive work hours, night shifts or compressed rosters leading to operator fatigue and reduced decision‑making capacity
  • • Exposure to extreme weather (heat, rain, wind) affecting concentration, plant stability and ground conditions
  • • High‑pressure program milestones contributing to rushed work, risk‑taking and stress
  • • Failure to manage noise, vibration and confined work areas contributing to psychosocial and physical strain
  • • Inadequate systems for reporting and managing fatigue or stress‑related concerns
12. Emergency Preparedness, Rescue & Incident Management
  • • Lack of realistic emergency plans for rig overturn, ground collapse, entrapment or major plant failure
  • • Delayed emergency response due to unclear roles, access issues or inadequate communication systems
  • • Insufficient resources and equipment for rescue from deep shafts or difficult access areas
  • • Poor incident investigation processes leading to repeat events and unaddressed systemic issues
  • • Inadequate coordination with external emergency services for site‑specific deep foundation risks
13. Environmental, Contamination & Waste Interface with WHS
  • • Encountering contaminated soils or groundwater without appropriate management systems
  • • Improper handling or disposal of drilling fluids, spoil and wash‑down water leading to health exposures
  • • Dust, noise and vibration from piling operations affecting workers and neighbouring communities
  • • Spills or leaks of fuels, oils and chemicals used in rigs and support equipment
  • • Lack of integrated environmental and WHS risk assessments for deep foundation activities
14. Documentation, Records, Auditing & Continuous Improvement
  • • Incomplete or inaccurate WHS and technical records for deep foundation activities
  • • Failure to track and close out corrective actions from inspections, audits and incidents
  • • Lack of systematic review of WHS performance and lessons learned specific to deep foundation works
  • • Over‑reliance on informal communication rather than controlled documents and procedures
  • • Inadequate integration of subcontractor records into the principal contractor’s WHS system

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
  • AS/NZS ISO 31000:2018: Risk management — Guidelines
  • Safe Work Australia – Excavation Work Code of Practice: Guidance on managing WHS risks associated with excavation and trenching activities.
  • Safe Work Australia – Managing Risks of Plant in the Workplace Code of Practice: Requirements for selection, use and maintenance of piling rigs, cranes and associated plant.
  • Safe Work Australia – Construction Work Code of Practice: WHS management principles for high-risk construction work, including deep excavation and piling.
  • Safe Work Australia – Managing the Risk of Falls at Workplaces Code of Practice: Controls for working at heights around piling platforms, excavations and reinforcement cages.
  • AS 2159: Piling — Design and installation requirements relevant to construction controls and verification.
  • AS 2550 series: Cranes, hoists and winches — Safe use standards applicable to lifting of reinforcement, casings and heavy components.
  • AS 4678: Earth-retaining structures — Guidance on retaining systems that interface with deep foundation works.
  • AS 2865: Confined spaces — Applicable where shafts, caissons or deep excavations meet confined space definitions.
  • AS/NZS 4801 / ISO 45001: Occupational health and safety management systems — Framework for integrating this Risk Assessment into organisational WHS management.
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

$79.5

Safe Work Australia Aligned