Tar Ponds Solidification/Stabilization, Channel Construction (TP6) 
 

All the sediments in the Tar Ponds site, including PCB material, will undergo Solidification and Stabilization (SS) treatment as a means of creating a structurally enhanced, low permeable mass that immobilizes contaminants in place. The purpose is to provide increased structural strength for capping and to decrease the mobility of contaminants.

In order to carry out the Solidification and Stabilization process, surface water controls will be used to redirect surface water flows and outfalls away from the area when Solidification and Stabilization is taking place.Surface water controls will be in the form of temporary pumping stations, and in the construction of permanent channels through the Tar Ponds.

The new channels will be permanent and used to bring water from Coke Ovens Brook and Wash Brook from their current entry points in the South Tar Pond to Sydney Harbour, as well as existing flow from existing sewer outfalls.


Steel sheetpiling will be installed around the east side of the North Tar Pond, as well as some modifications to Battery Point and the Ferry Street Causeway to help control the flow of tidal waters entering the ponds from Sydney Harbour.

For more options under the SS topic, hold you mouse over the Tar Ponds Solidification/Stabilization, Channel Construction (TP6) tab on the left hand side menu.

TP6 Pre Notification

Important Documentation for TP6

Occupational Health and Safety plan - OHS plan

Environmental Management Plan - EMP

Environmental Protection Plan - EPP

Phase II and III site assessments

Local Economic Benefits - LEB




 

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