The Supplier's Activities are to remove and treat water captured in the Retention and Detention dams at Londonderry.

Project goals

The Supplier's Activities are to remove and treat water captured in the Retention and Detention dams at 919 Londonderry Rd, Londonderry to ensure that all Per and Polyfluoroalkyl (PFAS) substances and its surrogates are removed to levels that are endorsed by the principal/buyer and the NSW EPA for release back into the environment and discharge this treated water back into the environment.

Scope

The core objectives of the Supplier's Activities are as follows:

Remove and treat water contained in the retention and detention dams to ensure it meets the principal/buyer and NSW EPA requirements for release back into the environment.

The treatment must remove PFOS + PFHxS contamination in water to below the detection limit of analysis (0.002 µg/L).

Following successful treatment of the water release it back into the environment up to 30m away from the treatment area. Areas to be irrigated will be selected by the principal/buyer.

Transfer all sediment and organic matter back into the dam area upon completion of the works.

Provide a detailed report of analysis that supports successful treatment of water having occurred and highlight any discrepancies.

Provide and maintain all licences required to perform the above activities.