Product Overview

Summary: This Post Setting and Alignment Safe Operating Procedure provides a clear, step‑by‑step method for installing and aligning posts safely, accurately and consistently on Australian worksites. It helps crews control excavation, concrete handling and plant hazards while delivering structurally sound, plumb posts that meet project specifications and WHS obligations.

Post setting and alignment is a core task across construction, fencing, landscaping and civil works, yet it is often carried out inconsistently and without a documented safe system of work. This SOP establishes a repeatable, WHS‑aligned method for planning, excavating, placing and securing posts so they are structurally sound, plumb and in line with design requirements. It covers everything from service locating and ground assessment through to concrete mixing, bracing, curing times and final inspection, ensuring that every post is installed safely and to specification.

In the Australian context, poorly controlled post installation can lead to underground service strikes, manual handling injuries, concrete splashes, unstable posts, and long‑term structural failures that become costly defects or safety hazards. This procedure addresses those issues by clearly defining roles and responsibilities, pre‑start checks, required PPE, equipment set‑up, exclusion zones and quality checkpoints. By implementing this SOP, businesses can demonstrate due diligence under WHS legislation, reduce rework and callbacks, and give field teams a practical, easy‑to‑follow guide that supports both safety and productivity on site.

Key Benefits

• Ensure posts are installed plumb, aligned and to correct depth, reducing rework and structural defects.
• Reduce WHS risks associated with excavation, concrete handling and manual post positioning.
• Standardise post setting methods across crews, improving consistency across multiple sites and projects.
• Demonstrate compliance with Australian WHS requirements and relevant building and civil construction standards.
• Streamline training and onboarding for new workers with a clear, visual and step‑by‑step procedure.

Who is this for?

• Site Supervisors
• Leading Hands
• General Labourers
• Fencing Installers
• Carpenters
• Civil Construction Workers
• Landscaping Teams
• WHS Advisors
• Project Engineers
• Facilities and Maintenance Managers

Hazards Addressed

• Striking underground services (electricity, gas, water, communications) during digging or augering
• Manual handling injuries from lifting, carrying and positioning heavy posts and bags of concrete
• Caught‑between and crush injuries when aligning and bracing posts or operating augers and post‑hole diggers
• Slips, trips and falls around open holes, uneven ground and wet concrete
• Eye and skin irritation or burns from cement and concrete splashes
• Noise and vibration exposure from powered augers and drilling equipment
• Environmental impacts such as concrete washout, soil disturbance and runoff
• Post instability or collapse due to inadequate depth, compaction or curing time

Included Sections

• 1.0 Purpose and Scope
• 2.0 References, Definitions and Abbreviations
• 3.0 Roles and Responsibilities
• 4.0 Required Licences, Competencies and Training
• 5.0 Tools, Equipment and Materials
• 6.0 Personal Protective Equipment (PPE) Requirements
• 7.0 Pre‑Start Planning and Site Assessment
• 8.0 Service Locating and Underground Asset Protection
• 9.0 Hazard Identification and Risk Controls
• 10.0 Step‑by‑Step Procedure – Marking Out and Setting Lines
• 11.0 Step‑by‑Step Procedure – Excavation and Hole Preparation
• 12.0 Step‑by‑Step Procedure – Post Placement, Bracing and Alignment
• 13.0 Step‑by‑Step Procedure – Concrete Mixing, Placement and Finishing
• 14.0 Curing Times, Final Alignment Checks and Quality Criteria
• 15.0 Use of Powered Augers and Mechanical Lifting Aids
• 16.0 Environmental Controls and Waste Management (including concrete washout)
• 17.0 Emergency Procedures (service strikes, injuries, ground collapse)
• 18.0 Inspection, Testing and Sign‑off Checklist
• 19.0 Training, Consultation and Communication
• 20.0 Document Control and Review

Legislation & References

• Work Health and Safety Act 2011 (Cth) and relevant state and territory WHS Acts
• Work Health and Safety Regulations 2011 (Cth) and equivalent state and territory regulations
• Safe Work Australia – Code of Practice: Excavation Work
• Safe Work Australia – Code of Practice: Managing Risks of Plant in the Workplace
• Safe Work Australia – Code of Practice: Hazardous Manual Tasks
• AS/NZS 1170: Structural design actions
• AS 3600: Concrete structures
• AS 2159: Piling – Design and installation (as guidance where deep posts or structural supports are used)
• AS/NZS 4501: Occupational protective clothing
• AS/NZS 1337.1: Personal eye protection
• AS/NZS 2161: Occupational protective gloves