The unexpected flooding that caused damage to thousands of homes in February 2022 has been added to a new flood map for Brisbane. Councils planning scheme known as City Plan has been prepared in accordance with the Sustainable Planning Act 2016. The Flood Awareness Map does not provide information about the depth or speed of flood water. Boustead Geospatial Technologies on LinkedIn: Brisbane council releases As part of City Plan, a new hazard-based Flood Overlay Code was introduced, to ensure that development adequately considers flooding. Brisbane's historical floods Historical flood mapping is available for three of Brisbane's most recent and largest flood events in 1974, 2011 and 2022. Property Development Flags may be shown in this section and may include a waterway corridor, overland flow path or large allotment flag. The table below outlines the status of flood studies and provides links to the relevant documents for accepted studies. Although these are not as likely as high or medium likelihood flood events, they may still occur. People look on as a house is inundated by flood water on Sunday February 27, 2022 in Goodna, west of Brisbane. Allowing houses in flood-prone areas to be built higher than standard buildings to protect homes from flooding. The larger and rarer events are used to understand flood risk for surrounding areas. Picture: Dan Peled/Getty Images. Storm tide flooding is mapped separately. In the description, AEP stands for Annual Exceedance Probability or how likely this type of flood event will occur per year. Brisbane City Council's Flood Awareness Map is for general awareness about the possibility of flooding on a property. The technical summary breaks down the councils flood impact estimates into more detail this is more suited to use by builders and developers who need to know the flood safe requirements of building your home. A hydraulic engineer needs to be hired for due diligence and will cost you somewhere between $2500 $3000. This table shows if the flood overlay code may apply to a property from river, creek/waterway, and overland flow flooding. formId: "d9a74fe8-1999-4d71-99e8-45928d7616f5", To access a FloodWise Property Report, go to the main page of Councils Flood Information Online. Councils Flood Planning Areas (FPAs)outline development requirements for a property based on flood likelihood, depth and velocity. Includes flood levels for 20%, 5%, 2%, 1% and 0.2%. Historic flooding, if applicable, will also show in this table. Used for building and development purposes. The purpose of a flood study is to determine the flood risks for a range of flood events in a particular location. The Flood Planning Information table shows a snapshot of the likelihood of flooding from river, creek and storm tide.
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