The value of the Strabag contract at the new pumping station is almost CA$120 million (US$91 million).
The Integrated Pumping Station allows the underground transport of wastewater to the Ashbridges Bay Wastewater Treatment Plant. "The pumping station is part of a larger infrastructure programme aimed at increasing wastewater capacity in the event of heavy rain and so improve the water quality of Toronto's waterways and Lake Ontario," said project manager Simon Köck.
The main part of the project involves two large-scale shafts: one 68m deep with a diameter of 27m and another 27m deep with a diameter of 32m. Including five smaller shafts, this results in a total of 153m of shafts to be built. The shafts will be linked to feeder tunnels with a total length of 445m, with a rock tunnel section as well as a parallel pressure pipe in an open cut close to the surface.
