Contaminated Site Audit, Proposed Residential Redevelopment, City of Belmont, Swan Coastal Plain, Western Australia
Land previously used for residential purposes and limited commercial operations has been cleared, and is proposed for High rise residential redevelopment.
A Contaminated Site Audit (CSA) was undertaken on behalf of the proponent to support an application for rezoning at an increased residential density.
Former houses have been demolished. Investigation works have identified the presence of organo-chlorine/phosphate (OCP) pesticides in soils around the former housing pads above applicable guidelines for residential development.
The demolition and removal of boundary fences has resulted in isolated occurrences of asbestos on the soil surface. Shallow groundwater adjacen to the Swan River has been impacted by OCPs above applicable guidelines for irrigation and the marine environment, applicable to the adjacent estuarine River Swan.
Current investigations will determine the extent of this impact.
A stage 3 Site Management Plan is currently being formulated for the removal of surface impacted soils and replacement with clean fill, including removal of isolated asbestos.
Stuart Jeffries
Hydrosolutions Pty Ltd
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Audit 13
via Hydrosolutions | Groundwater and Environmental Consultants http://hydrosolutions.com.au
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