Signage & Sign Installation SWMS

Signage and sign installation across commercial premises, roadsides, and directional networks combines multiple high-risk activities into a single task sequence: post-driving or auger-boring footings, concrete placement, panel lifting at height from elevated work platforms (EWPs) or ladders, and working in live traffic environments under road occupancy permits. Workers face simultaneous exposure to falls, struck-by-vehicle events, crush injuries from sign panels, and underground service strikes. Under WHS Regulation 2025, this work triggers Schedule 1 high-risk construction work (HRCW) categories for falls greater than two metres and work on or adjacent to a road or railway used by traffic, mandating a documented Safe Work Method Statement (SWMS) before work commences. The SWMS must be prepared in consultation with workers, signed by all personnel on task, kept on site, and reviewed whenever controls change or an incident occurs. Failure to hold a compliant SWMS exposes the PCBU, principal contractor, and individual officers to enforceable undertakings, improvement notices, and prosecution under sections 19 and 27 of the WHS Act.

Hazards identified

7 hazards covered, sorted by priority.

Control measures

Hierarchy-of-controls order: elimination → substitution → isolation → engineering → administrative → PPE.

1. 1Elimination — Pre-fabricate sign assemblies at ground level and lift completed unit into position once, eliminating multiple at-height tasks and repeated ladder transitions.
2. 2Elimination — Schedule roadside installations during off-peak or full road closure windows to remove worker exposure to live traffic flow entirely where permit conditions allow.
3. 3Substitution — Use hydraulic post-drivers or auger rigs instead of manual digging to substitute mechanised plant for hand tools, reducing musculoskeletal and service-strike risk.
4. 4Substitution — Substitute extension ladders with rated EWPs (scissor or boom) for any panel installation above 2m, complying with AS 2550.10 operation requirements.
5. 5Engineering — Install AS 1742.3-compliant traffic management layout with truck-mounted attenuators (TMA), variable message signs, and physical barriers separating workers from traffic lanes.
6. 6Engineering — Conduct Dial Before You Dig search, vacuum-excavate or pothole all services within 500mm of post locations before mechanical excavation commences.
7. 7Administrative — Hold documented pre-start SWMS briefing, verify EWP and high-risk work licences, confirm road occupancy permit conditions, and obtain signed sign-on from every worker daily.
8. 8Administrative — Implement spotter system for overhead powerlines maintaining minimum approach distances per AS/NZS 4576, with no-go zones marked and energy isolation where required.
9. 9PPE — Issue AS/NZS 4602.1 Class D/N high-visibility garments, AS/NZS 1801 hard hats, AS/NZS 2210.3 safety footwear, cut-resistant gloves, and EWP harness with shock-absorbing lanyard.
10. 10PPE — Provide UV-rated long sleeves, broad-brim hat attachments, SPF 50+ sunscreen, electrolyte hydration, and chemical-resistant gloves/goggles for wet concrete handling per SDS.

Applicable Codes of Practice

High-Risk Construction Work triggered

Worked example

On a suburban arterial road upgrade, a signage crew is scheduled to install three new directional gantry signs and twelve roadside regulatory posts over a Sunday off-peak window. At 5:30am the leading hand opens the Signage & Sign Installation SWMS at the site office tailgate and runs the pre-start brief with four installers, an EWP operator, and two traffic controllers. The team walks through each listed hazard — falls from the boom EWP, struck-by-vehicle exposure on the running lane side, overhead 11kV conductors confirmed on the network operator drawings, and the wet concrete footings being poured by a separate gang. Controls are matched live: the EWP operator confirms his HRW licence and produces the pre-start logbook, traffic controllers verify the AS 1742.3 lane closure taper and TMA position, and a Dial Before You Dig response is checked against the post locations. Each worker signs the SWMS register before tools leave the truck. Mid-shift, an unexpected gust pushes the EWP basket, and the leading hand halts work, returns to the SWMS, and adds a wind-speed stop-work threshold of 36 km/h with anemometer monitoring. The amendment is initialled by all workers, photographed, and uploaded to the project management system before work resumes — demonstrating the SWMS functioning as a live, controlled document rather than a filing-cabinet artefact.

Related legislation

• WHS Act 2011 (model)
• WHS Regulation 2025
• Managing the Risk of Falls at Workplaces CoP