AU hazard library

Demolition of load-bearing structures

Structural demolition + work creating temporary instability. HRCW under WHS Reg 291(1)(c).

Premature structural collapse during demolition

Uncontrolled collapse of load-bearing structure during demolition striking workers or public. HRCW under WHS Reg 291(1)(c) for any demolition of load-bearing element.

Initial risk

EXTREME

L3 × C5

Best residual

MEDIUM

With full hierarchy of controls

HRCW reference

demolition of load bearing structure

Controls (hierarchy of controls order)

Engineering controls
Residual MEDIUM
Exclusion zone + perimeter fencing + overhead protection
Exclusion zone radius = 1.5× height of structure being demolished; 2.4 m construction fencing with shade cloth; overhead public protection where work over footpath; spotters at every entry point.
Cited: WHS Reg 215 · AS 2601 s 3
Administrative controls
Residual MEDIUM
Engineer-designed demolition plan + reverse-engineering
Demolition plan prepared by a structural engineer detailing sequence (reverse of construction), temporary propping, load paths, exclusion zones and methodology. Plan reviewed daily by site engineer and adjusted as conditions change.
Cited: WHS Reg 297 · Demolition Work CoP · AS 2601
Administrative controls
Residual MEDIUM
Licensed demolition contractor + notification
Demolisher holds state demolition licence (NSW DE-NS / VIC unrestricted demolition / etc.); regulator notified ≥5 days prior; principal contractor's WHS Management Plan covers the demolition phase.
Cited: State demolition licensing · Demolition Work CoP s 2

PPE

Industrial safety helmet — Type 1 industrial safety helmet with chin strap where required by site rules or wind exposure. Replace at expiry date or after impact.Standard: AS/NZS 1801
Steel-cap safety boots — Type 1 safety footwear with steel toecap, slip-resistant sole, ankle support; electrical hazard rating where exposed to live electrical work.Standard: AS/NZS 2210.3
Hi-visibility vest or shirt (day use) — Class D fluorescent hi-visibility garment for daytime use on site.Standard: AS/NZS 4602.1
P2 disposable respirator — P2-rated disposable particulate respirator with fit-check and clean-shaven seal area. Replace when breathing resistance increases or per shift.Standard: AS/NZS 1716
Safety glasses (medium impact) — Medium-impact safety glasses with side shields; fitted prescription where worker requires correction.Standard: AS/NZS 1337.1

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Content provided as a professional baseline, not legal advice. Always have a competent person review and sign off before relying on a generated document for compliance.