Landslip hazard area requirements

Hazard Band Class Type of site assessment required Prescribed person for assessment Foundation design Building
design
Building surveyor Other
provisions
Low

Site Classification to AS 2870 (optional)

Further geotechnical investigation if required

Site Classifier

Licensed Civil Engineer (except residential sites with AS2870 ‘normal’ classification)

To take into account site classification and design guide

Any licensed Building Designer/ Architect

To take into account site classification and design guide

CLC to take into account: 

Site Classification

Further geotechnical investigation (if available)

Water and sewage management

Default AS 2870 site classification for residential buildings  – Class P
Medium Site Classification to AS 2870 (optional)

Landslip hazard report if required

Geotechnical Practitioner Licensed Civil Engineer (except residential sites with AS2870 ‘normal’ classification)

To take into account site classification, hazard report (if available) and design guide

Any licensed Building Designer/ Architect 

To take into account site classification, hazard report (if available) and design guide

CLC to take into account: 

Site classification

Hazard report (if available)

Water and sewage management

Default AS 2870 site classification for residential buildings  – Class P
Medium-Active Landslip Hazard Report Geotechnical Practitioner Licensed Civil Engineer

To take into account hazard report and design guide

Any licensed Building Designer/ Architect 

To take into account hazard report and design guide

CLC to take into account

Default AS 2870 site classification for residential buildings  – Class P
High Landslip Hazard Report Geotechnical Practitioner Licensed Civil Engineer

To take into account hazard report and design guide

Any licensed Building Designer/ Architect 

To take into account hazard report and design guide

CLC to take into account the hazard report Restrictions on new buildings
Declared A Landslip Area As per high hazard band As per high hazard band As per high hazard band As per high hazard band As per high hazard band Restrictions on work

Part 5 - Division 5 of Building Act 2016 applies

Declared B Landslip Area Landslip Hazard Report required Geotechnical practitioner As per hazard band As per hazard band CLC to take into account the hazard report Restrictions on work

Part 5 - Division 5 of Building Act 2016 applies

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