Product Overview

Summary: This Waterway Crossings and Protections Safe Operating Procedure sets out safe, compliant methods for constructing, using and maintaining temporary and permanent crossings over creeks, rivers, drainage lines and sensitive waterways. It helps Australian businesses control environmental and physical safety risks, meet WHS and environmental obligations, and protect both workers and waterways during civil, construction, mining, utilities and agricultural works.

Works involving waterway crossings carry a unique combination of safety, environmental and compliance risks. Uncontrolled access across creeks, rivers and drainage lines can lead to vehicle rollovers, slips and falls, drowning risks, undermined structures, as well as sedimentation, pollution and damage to sensitive aquatic habitats. This Waterway Crossings and Protections Safe Operating Procedure provides a clear, step-by-step framework for planning, constructing, inspecting and using crossings in a way that protects workers, the public and the environment while aligning with Australian WHS and environmental requirements.

The SOP covers the full lifecycle of waterway crossings, from initial site assessment and selection of crossing type (such as temporary causeways, culverts, bridges, matting or fords) through to traffic management, erosion and sediment controls, and decommissioning or rehabilitation. It defines responsibilities for supervisors, plant operators and workers, prescribes minimum control measures for working near water, and integrates environmental protection measures such as spill response, turbidity control and bank stabilisation. By implementing this procedure, organisations can confidently demonstrate due diligence, reduce incident rates, and avoid costly project delays, regulatory action and reputational damage associated with unsafe or non-compliant waterway works.

This SOP is particularly valuable for projects in regional and remote Australia where unformed creek crossings and seasonal flows are common, and where changing water levels can quickly compromise improvised crossings. It provides practical guidance on pre-start inspections following rainfall, safe vehicle and plant operation on wet or unstable surfaces, and communication protocols when conditions change. The document supports consistent training, improves coordination between construction and environmental teams, and embeds a best-practice approach to waterway protection into everyday site operations.

Key Benefits

• Ensure safe planning, construction and use of waterway crossings to protect workers, contractors and the public.
• Reduce the risk of vehicle rollovers, slips, trips, falls and drowning incidents when working in or near waterways.
• Demonstrate compliance with WHS legislation, environmental approvals and local authority requirements for waterway disturbance.
• Minimise sedimentation, erosion and pollution of creeks, rivers and drainage lines during construction and maintenance activities.
• Standardise training and supervision so all teams apply consistent, defensible methods for waterway crossings and protections.

Who is this for?

• Civil Construction Supervisors
• Site Managers
• Project Engineers
• Environmental Advisors
• WHS Managers
• Foremen and Leading Hands
• Construction and Maintenance Workers
• Utility Installation Crews
• Road and Bridge Maintenance Teams
• Rural Operations and Farm Managers

Hazards Addressed

• Vehicle and mobile plant rollovers on unstable, steep or eroded crossing approaches
• Slips, trips and falls on wet, muddy, algae-covered or uneven surfaces
• Drowning and immersion risks when working near deep or fast-flowing water
• Structural failure or washout of temporary crossings, culverts or causeways
• Entrapment or collapse hazards from undermined banks and scoured abutments
• Exposure to rapidly rising water levels due to rain, flash flooding or upstream releases
• Contact with moving plant and traffic at narrow or single-lane crossings
• Environmental contamination from fuel, oil and chemical spills into waterways
• Increased turbidity, erosion and sedimentation impacting aquatic ecosystems
• Manual handling injuries from installing mats, sandbags, pipes or erosion control products

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and Types of Waterway Crossings
• 3.0 Roles and Responsibilities
• 4.0 Applicable Legislation, Standards and Approvals
• 5.0 Pre-Planning and Risk Assessment Requirements
• 6.0 Site Assessment and Selection of Crossing Location
• 7.0 Design Considerations for Temporary and Permanent Crossings
• 8.0 Environmental Protection, Erosion and Sediment Control Measures
• 9.0 Required Plant, Equipment and Personal Protective Equipment (PPE)
• 10.0 Construction and Installation Procedure for Waterway Crossings
• 11.0 Traffic Management and Access Control at Crossings
• 12.0 Safe Work Practices for Workers Near Water
• 13.0 Inspection, Monitoring and Maintenance of Crossings
• 14.0 Managing Changing Conditions (Rain Events, Flooding and Washouts)
• 15.0 Spill Prevention and Response in and Around Waterways
• 16.0 Decommissioning, Rehabilitation and Site Restoration
• 17.0 Training, Competency and Communication Requirements
• 18.0 Record Keeping, Reporting and Corrective Actions
• 19.0 Review and Continuous Improvement of the Procedure

Legislation & References

• Work Health and Safety Act 2011 (Cth and relevant State/Territory WHS Acts)
• Work Health and Safety Regulations 2011 (Cth and relevant State/Territory WHS Regulations)
• Safe Work Australia – Code of Practice: Managing the Work Environment and Facilities
• Safe Work Australia – Code of Practice: Managing Risks of Plant in the Workplace
• AS/NZS ISO 31000:2018 Risk management – Guidelines
• AS 1742.3: Manual of uniform traffic control devices – Traffic control for works on roads
• AS/NZS 4360 (superseded but commonly referenced) and relevant state road authority technical notes for waterway crossings and drainage
• State and Territory environmental legislation (e.g. Environmental Protection Acts) and guidelines for working in or near waterways
• Local Catchment Management Authority or Waterway Management Authority guidelines for in-stream works and erosion/sediment control