NEW ZEALAND DEMOLITION & ASBESTOS ASSOCIATION

Restricted Demolition

Restricted demolition within New Zealand involves medium to high risk activities directly related to restricted demolition operations.

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Restricted Demolition Work includes:

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• demolition of a structure under 3 storeys (or 15 metres – whichever is lowest) in height not requiring consent;

• demolition of a structure under 3 storeys (or 15 metres – whichever is lowest) that is not attached to another structure (excluding garages, sheds, lean-to’s and carports);

• internal demolition work of non-structural items in a structure of any height.

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Unrestricted Demolition

Un-Restricted demolition operations within New Zealand involves high risk activities directly related to the demolition, dismantling or decommissioning of structures over 15 meters in height or those of a complex construction or hazardous environment.

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Un-Restricted Demolition Work includes:

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• demolition of a structure under 3 storeys (or 15m 􀍴 whichever is lowest) that has been deemed by engineering or other authority to be “high risk”

• demolition of a structure over 3 storeys (or 15 meters 􀍴 whichever is lowest) in height requiring consent

• demolition of a structure that is attached to another structure of any height requiring consent

• demolition of a structure listed as a heritage or character building requiring consent

• demolition of a structure spanning over water, roadway or railway line.

• demolition within a chemical, oil, or gas installation of a structure of any height

• demolition involving a tower crane

• demolition involving a mobile crane with a rated capacity of more than 100 tonnes

• demolition that has structural components that are pre-tensioned or post-tensioned

• demolition requiring floor propping

• demolition using explosives