Steel Beam & Column Installation SWMS

Steel beam and column installation involves rigging, lifting and connecting structural steel members — often heavy universal beams, columns, portal frames and trusses — into position using mobile cranes, elevating work platforms and manual bolt-up or field welding. Riggers and dogmen work at height on partially erected frames, guiding suspended loads, plumbing columns, seating beams on brackets and torquing structural bolts. The work exposes crews to falls from open steel, crush injuries from swinging or dropped members, structural collapse before permanent bracing is installed, crane contact with overhead powerlines, arc-eye and burns from welding, and heat stress on unshaded steel decks.

Under the Work Health and Safety Regulation 2025 (NSW), structural steel erection is high risk construction work under section 291 — specifically falls greater than 2 metres, structural alteration requiring temporary support, movement of powered mobile plant, and work in artificial extremes of temperature. Section 299 requires a SWMS be prepared before the work commences, kept available for inspection, and complied with. Controls must follow the hierarchy in section 36, prioritising elimination and engineering measures (perimeter edge protection, engineered temporary bracing, exclusion zones) over administrative controls and PPE.

Hazards identified

12 hazards covered, sorted by priority.

Control measures

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

1. 1Eliminate work at height where practicable by pre-assembling steel modules at ground level and lifting complete assemblies into position, reducing connector time on open steel.
2. 2Engage a structural engineer to design and certify the erection sequence and all temporary bracing, guy wires and shoring; do not remove temporary bracing until permanent connections and floor diaphragms are verified in writing.
3. 3Install perimeter edge protection, mesh infill or catch decks to AS/NZS 4994.1 before workers access elevated steel; where edge protection is not reasonably practicable, use travel-restraint or fall-arrest harness systems to AS/NZS 1891.4 anchored to engineered points rated ≥15 kN.
4. 4Establish and physically barricade exclusion zones beneath all lifts and around slewing radius of the crane; only the dogman signals the crane operator using AS 2550.1 signals or dedicated two-way radio channel.
5. 5Verify overhead powerline clearances against the SafeWork NSW Code of Practice — Work near overhead power lines, use a spotter, tiger tails or de-energise lines through Ausgrid/Essential Energy before crane setup.
6. 6Inspect and tag all lifting gear — slings, shackles, spreader bars, chain blocks — before each shift to AS 2550.1 and AS 4991; remove damaged gear from service; loads rigged only by a person holding a nationally recognised rigging or dogging High Risk Work Licence.
7. 7Operate mobile cranes on engineer-certified crane pads with outriggers fully extended; crane operator holds relevant HRW Licence (CN/CV/C2/C6); daily pre-start recorded and lift studies prepared for lifts over 85% of chart capacity.
8. 8Implement a heat stress management plan under the SafeWork NSW Managing the risks to health and safety of workers exposed to heat in the workplace guidance: hydration stations, rest cycles, shade, deferring erection during forecast >36 °C, and buddy checks for heat illness symptoms.
9. 9Establish a hot work permit system with fire watch, 30-minute post-work monitoring, screens to protect adjacent workers from arc flash, and LEV or forced ventilation for welding fume to the Welding Processes Code of Practice; welders wear PPE to AS/NZS 1338.1 and AS/NZS 1337.1.
10. 10Enforce tool tethering, toe boards, kick plates and no-loose-items policy on all elevated steel; use bolt bags and tethered spanners; barricade drop zones at ground level.
11. 11Control silica dust from adjacent concrete work using on-tool water suppression or M/H-class LEV to AS/NZS 60335.2.69; provide P2 RPE fit-tested to AS/NZS 1715 and health monitoring to Schedule 14 of the WHS Regulation 2025 (NSW).
12. 12All workers hold CPCCWHS1001 (White Card), receive site-specific induction and SWMS toolbox before work; consultation under section 47 of the WHS Act 2011 (NSW) is documented, and the SWMS is reviewed under section 302 whenever the erection sequence, plant or crew changes, or after any incident.

Applicable Codes of Practice

High-Risk Construction Work triggered

Worked example

A steel erection subcontractor is installing a two-storey portal-frame warehouse in Eastern Creek, NSW. The scope includes lifting fifteen 12-metre universal beams and twelve 8-metre columns using a 50-tonne mobile crane. Before the shift, the site supervisor walks the SWMS with the four-person crew — a licensed crane operator, dogman, and two riggers — and each signs on. The engineer's erection sequence and temporary bracing drawings are attached to the SWMS. Overhead 11 kV Endeavour Energy lines run along the northern boundary; a 6.4 m exclusion zone is barricaded and a dedicated spotter is assigned. Columns are plumbed and guyed with engineered temporary bracing before the crane releases each lift. Riggers use twin-tail lanyards to AS/NZS 1891.1 anchored to engineered pad-eyes on the columns. At 1:15 pm the on-site WBGT reading reaches the threshold in the crew's heat management plan; work pauses, hydration is enforced, and the balance of erection is deferred to the following morning. The SWMS is reviewed under section 302 that evening to record the heat stand-down as a control adjustment.

Related legislation

• Work Health and Safety Act 2011 (NSW)
• Work Health and Safety Regulation 2025 (NSW)
• SafeWork NSW Code of Practice — Managing the risk of falls at workplaces
• SafeWork NSW Code of Practice — Construction Work
• SafeWork NSW Code of Practice — Welding Processes
• Environmental Planning and Assessment Act 1979 (NSW)

Frequently asked questions