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Jemena – Kendal Bay Sediment Remediation Project

Client:                                    Jemena

Consent Authority:              Environmental Protection Authority / Dept. of Planning & Environment

Project Value:                       $50m

Description

Kendall Bay is located on the Parramatta River approximately 10 km from the CBD and sits between the suburbs of Cabarita and Breakfast Point.

The proposed remediation site is located in the headwaters of Kendall Bay (Sydney Harbour), which is located adjacent to the Breakfast Point development site. The contamination of the sediments in Kendall Bay was the result of historic industrial discharges from the adjacent former AGL Mortlake Gasworks site.

The Remediation Action Plan (RAP) completed in January 2017, proposing the remediation of contaminated sediments by excavation, stabilisation and disposal of nominated materials within specific areas. Insitu underwater stabilisation of contaminated materials located in specific areas. Removal of contaminated beach sands and replacement of new material, enabling clean beach access by the local community.

 

Scope of Service

Developd a detailed delivery schedule sequencing activities describing the end to end project activities. The schedule incorporating the Jemena seven stage governance gateway process, covering detail site investigation, preparation of documentation, sequencing of regularity approval processes, trial dredging and stabilization activities, scoping and tendering, selection of a remediation contractor, remediation and validation activities through to the final validation reporting, signoff and project closure.

 

Project Status

Following a detailed site investigation involving extensive sampling, laboratory testing involving the CSIRO, specialist scientists and international research. The Remediation Action Plan (RAP) has been finalized and submitted to the EPA for comment early 2017. This has enabled the commencement of the Environmental Impact Statement (EIS) documentation and progression of the required approval process. It is envisaged that the EIS will be available for public exhibition mid 2017 with a potential commencement of remediation during 2018.