STPA

Construction Calendar

Tender and Contracts

Vendor Inquiries Vendor Information Current Tenders Tender Results Closed Tenders

Closed Positions

Health & Safety

Environmental Protection Plan (EPP)Cooling Pond Final Report Water Treatment Results Field Demonstration Report 100% Design Report 2006 Cooling Pond Tender Documents

Coke Oven Brook (CO1)

Tar Cell Solidification/Stabilization (CO2)

Cutoff Walls (CO5)

Vertical Cut-Off Walls Rev. CO5 100% Design Report

Surface Cap (CO6)

Collection System (CO7) / Water Treatment Plant (CO8)

Materials Processing Facility (TP2)

Tar Ponds Solidification/Stabilization, Channel Construction (TP6)

Pump-around System (TP6 Part A-STPA2008S-22) Solidification/Stabilization/Channel (TP6B STPA2008S-23) Final Pilot Scale Report Quality Assurance Test for S&S cells What Is Solidification/Stabilization?S/S Fact Sheet – June 2010 QC/IQAC

Tar Ponds Cap (TP7)

Business Directory

Accommodations Accounting Services Affirmative Action Groups Automotive Leasing and Sales Building Supplies Business, Management and HR Consulting Computer Equipment, Supplies and Services Contractors-Civil, Electrical, Mechanical, General Couriers and Shipping Education and Training Energy/Fuel Suppliers Engineering Services Environmental and Laboratory Services Financial Institutions and Services Food, Restaurant and Catering Services Health & Safety Equipment and Supplies Heavy Equipment Suppliers I.T. Consulting Services Industrial Suppliers and Equipment Instrumentation and Controls Landscaping Supplies and Services Legal Services Marketing and Communications Services Office Supplies and Services Other Products Other Services Printing and Photography Security Equipment and Services Telecommunications Travel & Transportation Trucking Companies Welding Services

Local Economic Benefits (LEB)

Annual Report Economic Benefits Framework Economic Benefits Report Diversity and Inclusion Vendor Briefing

Tendering Schedule

Project Environmental Protection Plan (EPP)

Environmental Management Plan (EMP)


	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

Live Cams

Tender Issued for Protective Cap
July 20, 2010 - The Sydney Tar Ponds Agency has released a tender for the construction of a protective cap over treated tar ponds sediment.It's the third step in a series of projects leading to the future development of the remediated site.Construction of the multi-layer protective cap will begin in the fall, and is scheduled for completion in summer, 2013. It will include a grading/bedding layer, a geosynthetic clay layer, a geocomposit drainage layer, protective fill, topsoil and hydro seed. The cap is designed to direct rain and groundwater into an engineered channel that will also carry brook water to the mouth of Sydney Harbour. The tender closes Aug. 10. More than 70 per cent of the south pond, located between Prince Street and the Ferry Street Bridge, has been solidified and stabilized. Treatment of the entire pond is expected to be completed in August. It will be followed by the construction of a channel to allow brook water and groundwater to flow through the site and into the harbour. In January 2007, the government of Canada and province of Nova Scotia committed $400 million to ensure the Tar Ponds and Coke Ovens cleanup is completed by 2014.

S&S Work Restarts In South Pond

03/23/10 The Sydney Tar Ponds Agency is pleased to announce that the cleanup has kicked into high gear with the restart of solidification and stabilization in the south tar pond.

Contractors began the cement work today (Tuesday, March 23, 2010). The process includes using an excavator to mix cement powder into the contaminated sediment, similar to the way a baker mixes ingredients when making a cake. The contract requires that each completed cell meets established criteria for permeability, leachability, and strength. For more on this contract, please click here.

It's expected that the south pond (from Prince Street to Ferry Street Bridge) will be completely solidified and stabilized by the end of summer, 2010.

Air monitors are operating in real-time at the project fence line, and also operating within the work site as part of the Master Occupational Health and Safety Plan for the project. To receive daily air monitoring reports, please click here.

To view a video clip of work from 2009, please right click here and select save target as. You must download the file in order to view it properly.

Notifications