Structural sequencing
Partial demolition & strip-outs
Partial demolition is the surgical end of the trade. Removing a rear extension, lifting a roof structure, or gutting interiors back to frame demands temporary propping, weather protection and a demolition order of operations designed around what remains. The engineering question, what holds the retained portion up while its neighbour comes off: is answered before the first cut, not during it.
Scope
What this covers
Removal of extensions, lean-tos, upper storeys or fire-damaged sections
Internal strip-outs to structural frame for renovation projects
Temporary propping and weatherproofing of retained structure
Careful separation at junctions to protect retained walls, roofing and services
Salvage of nominated materials (period fireplaces, doors, flooring) where instructed
Timing
When it's needed
Renovation and extension projects where consent retains part of the dwelling, heritage-affected properties where facades or front rooms must stay, and insurance works removing damaged sections ahead of repair. Anywhere the line between demolish and retain crosses a structural element, this scope applies.
Never enter a demolition site, cross exclusion fencing or disturb stockpiled material, partially demolished structures are unstable and dust may contain hazardous fibres. If you suspect disturbed asbestos or see unsafe work practices, keep clear and report it to SafeWork NSW.
Quote variables
What shapes the scope
Structural interdependence between removed and retained sections, and the propping design that follows
Weather exposure of the retained building during works and the protection required
Salvage instructions, which slow the work but preserve nominated materials
Access for plant when the retained structure blocks the obvious machine path
Demolition work in NSW is licensed by SafeWork NSW in classes reflecting the scale and risk of the work, and asbestos removal requires its own Class A or Class B licence depending on the material. Ask any demolition provider for their licence class and number, confirm it matches the scope of your job, and verify it through SafeWork's public verification channels before signing anything.
Demolition scopes
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