BCGBC4010A Apply structural principles to residential low-rise constructions

Structural principles - Demolition

Demolition preparation

Demolition procedure
Pre-demolition
•	Disconnect all services, power, water, gas etc.
•	Locate stormwater and sewer drains and seal at points of discharge.
•	Protect adjoining property as required by the building surveyor.
•	Provide temporary wall bracing and shoring where required.
A photo of a run-down building is shown.
Demolition begins 
•	Remove loose or attached fittings and built-in fixtures, internally and externally.
•	Remove external wall cladding, attached chimneys, outbuildings and lean-to structures.
•	Remove internal linings.
A photo of a building with a demolished roof is shown.
Going 1 
•	Make sure the building is adequately braced during the removal of cladding.
•	Remove plumbing and electrical wires and pipes.
•	Remove roof covering and restraining and loose materials to avoid possibility of materials being airborne.
A half demolished building with a fence around the site is shown.
Going 2
•	Remove roof structure and provide temporary bracing and shoring as required.
•	Remove wall panel or framing and provide temporary bracing and shoring as required.
•	Remove floor structure.
•	Remove footings.
A photo of a truck and crane removing rubbish from a site is shown.

Gone! 
•	Clean up site.
•	Fill in excavations.
•	Check for any hazards.
•	Clean site entry points and infrastructure where necessary.
A photo of a cleared site with a fence around it is shown.
Conclusion text
Note the following points:
•	The demolition must always be supervised by the demolisher.
•	The site must be fenced or suitably barricaded to prevent public access during the demolition process.
•	No part of any external wall on or within 6,000 mm of the street alignment is to be pulled down except during times as specified by the building surveyor.
•	Where asbestos or materials containing asbestos are involved in the demolition works, compliance with WorkCover or WorkSafe legislation must be maintained at all times.

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