Product Overview

Summary: This SOP sets out a clear, practical framework for safely coordinating contractors and subcontractors on Australian worksites. It helps PCBU’s, principal contractors and site supervisors manage overlapping duties, communication, and risk controls so that everyone on site works to the same WHS expectations and project requirements.

Engaging multiple contractors and subcontractors on the same site creates complex overlapping WHS duties, communication lines and work interfaces. Without a structured approach, important safety information is missed, responsibilities are unclear, and gaps open up between what is planned and what actually happens on site. This Contractor and Subcontractor Coordination Safe Operating Procedure provides a step-by-step method to plan, brief, coordinate and monitor all external workers so that risks arising from concurrent works are systematically controlled.

Designed specifically for Australian businesses operating under the WHS Act and Regulations, this SOP clarifies how the PCBU and principal contractor will consult, cooperate and coordinate activities with all contractors and subcontractors. It covers pre-qualification, induction, SWMS and risk assessment review, permit-to-work interfaces, toolbox talks, communication protocols, and performance monitoring. By implementing this procedure, organisations can demonstrate due diligence, ensure consistent safety standards across all parties, and reduce the likelihood of incidents, delays, and regulatory scrutiny on multi-contractor sites.

Key Benefits

• Ensure clear allocation and documentation of WHS roles, responsibilities and overlapping duties between the PCBU, principal contractor, contractors and subcontractors.
• Reduce the risk of incidents caused by conflicting activities, poor communication, or gaps in supervision on multi-contractor worksites.
• Streamline contractor pre-qualification, onboarding and induction so only competent, compliant contractors are engaged.
• Demonstrate due diligence and compliance with WHS consultation and coordination obligations, supporting regulatory inspections and audits.
• Standardise how SWMS, risk assessments, permits and toolbox talks are coordinated across all contractors for consistent safety performance.

Who is this for?

• PCBU Representatives
• Directors and Business Owners
• Principal Contractors
• Project Managers
• Site Supervisors
• Construction Managers
• Facilities Managers
• WHS Managers and Advisors
• Contract Administrator / Contracts Manager
• Operations Managers

Hazards Addressed

• Conflicting work activities leading to collisions, struck-by or crush injuries
• Uncontrolled access to exclusion zones and high-risk work areas
• Incomplete or inconsistent implementation of SWMS and risk controls
• Failure to communicate changes in site conditions, hazards or work sequencing
• Inadequate supervision of subcontractors performing high-risk construction work
• Gaps in emergency preparedness and response across multiple contractors
• Exposure to site-specific hazards not covered in generic contractor procedures (e.g. live services, traffic interfaces, public access)
• Administrative failures such as missing permits, incomplete inductions and unverified competencies

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Key Terms (PCBU, principal contractor, contractor, subcontractor)
• 3.0 Roles, Responsibilities and WHS Duty Interfaces
• 4.0 Contractor Pre-Qualification and Selection Requirements
• 5.0 Contractor and Subcontractor Onboarding and Induction Process
• 6.0 Coordination of SWMS, Risk Assessments and Safe Work Procedures
• 7.0 Planning and Scheduling of Concurrent and Sequential Work Activities
• 8.0 Site Communication Protocols and Information Sharing
• 9.0 Permit-to-Work and Authorisation Interfaces
• 10.0 Toolbox Talks, Pre-Start Meetings and Consultation Arrangements
• 11.0 Site Access, Sign-In, Supervision and Escort Requirements
• 12.0 Monitoring, Inspections and Performance Review of Contractors
• 13.0 Managing Changes, Variations and New Subcontractors
• 14.0 Incident Reporting, Investigation and Corrective Actions for Contractors
• 15.0 Emergency Preparedness and Coordination with Contractors
• 16.0 Records Management and Document Control
• 17.0 Review, Audit and Continuous Improvement of Contractor Coordination

Legislation & References

• Work Health and Safety Act 2011 (Cth and harmonised state/territory variants)
• Work Health and Safety Regulation 2011 (Cth and harmonised state/territory variants)
• Safe Work Australia – Code of Practice: Work Health and Safety Consultation, Cooperation and Coordination
• Safe Work Australia – Code of Practice: Construction Work
• Safe Work Australia – Code of Practice: Managing the Risk of Falls at Workplaces
• AS/NZS ISO 45001:2018 Occupational health and safety management systems – Requirements with guidance for use
• AS 1742.3: Manual of uniform traffic control devices – Traffic control for works on roads (where applicable to roadwork contractors)