Georges River Tidal Inundation Study

Given the social, financial and environmental risks presented by sea level rise, it is imperative for local councils to understand the likely extent of sea level rise related impacts.

NSW legislation provides a legal imperative, and exemption for liability, for local councils to consider sea level rise, as detailed below.

a. Coastal Management Act 2016 – Section 3 Objects of the Act: (f) to mitigate current and future risks from coastal hazards, taking into account the effects of climate change,

b.  Local Government Act 1993 - Council are exempt from liability for acting in good faith with respect to flooding and coastal hazards. Refer to Section 733 of the Act.

Council appointed Ethos Urban in conjunction with BMT to review the LEP and DCP controls relating to foreshore development in early 2018. The aim of the review was to assess the effectiveness of the existing planning controls and identify, enhance and protect the landscape and scenic qualities of the Georges River Foreshore.

One of the studies produced by BMT is the Georges River Tidal Inundation Study.

Section 10.7(5) of the Environmental Planning and Assessment Act 1979 states that Council may, in a planning certificate, include advice on such other relevant matters affecting the land of which it may be aware. Council is aware of sea level rise implications for its LGA and given the landuse implications Council has included the following wording in  Part 5 of the Planning Certificates if the property is affected by the 2100 SLR mapping:

The property is affected by future tidal inundation incorporating sea level rise. Please refer to Georges River Tidal Inundation Study dated November 2018 prepared on behalf of Council by BMT. Before determining a development application for development on land to which this clause applies, Council will need to consider:
a) sea level rise and tidal inundation as a result of climate change
b) maintenance of personal safety, including any increase in people ordinarily present on the site
c) ability to locate development on parts of the site not exposed to coastal hazards


 



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