Ashbridge Bay Treatment Plant Outfall

Stiver is proudly supporting the Ashbridge’s Bay Treatment Plant Outfall. This $300 million project for the City of Toronto will replace the current outfall tunnel, which is at the end of its service life. It is set to be the largest wastewater outfall in Canada. The project includes a 16-meter diameter shaft by 85-meter deep,…

Corridor

HEB Process Water Treatment Facility

Stiver Engineering provided critical design services and analyses for a process water treatment facility at HEB’s warehouse complex on Space Center Drive in San Antonio, Texas. Our work encompassed pipe support designs and analysis, CMU block wall designs, and foundation designs for the operations building and the canopy structure. The pipe support designs included thermal,…

Schoharie Reservoir Low Level Outlet Microtunnel

As part of a major infrastructure project at the Schoharie Reservoir in Gilboa, New York, Stiver Engineering provided a variety of services for a low-level outlet designed to release water downstream into Schoharie Creek to facilitate dam maintenance and emergency response, mitigate flood risk, and enhance downstream habitat for fish and wildlife. The work includes…

Chelford City Diversion Package Concrete Vault Design

The Chelford City Diversion project will consolidate and upgrade public works facilities in part of Houston through the installation of sanitary sewer lines, manholes, reinforced concrete pavement, and curbs. As part of the project, Stiver Engineering redesigned a concrete vault at the junction of a 60-inch sanitary sewer pipe and a 108-inch sanitary sewer pipe.…