Stiver Engineering provided construction consulting services for a sanitary sewer project at the Broadway Corridor in San Antonio. This project required designs for trench safety (with adjustable height); bore pit, beam, steel plate and timber lagging shoring; steel casing; liner plate tunnels; thrust block; pipe jacking; and pipe buoyancy. We delivered plans for a pipe…
Three times per year, TBM: Tunnel Business Magazine recaps the status of major tunneling projects underway in the United States and Canada. Stiver Engineering worked on projects in Canada, Dallas and Houston, Texas that appeared in the June 2022 issue of the print edition. In Dallas, Texas, the Mill Creek Drainage Relief Tunnel project involves 26,385…
The Baltimore City Department of Public Works (DPW) is converting open-air drinking water lakes to buried tanks to help preserve the city’s drinking water system and comply with federal Safe Drinking Water Act regulations. Stiver Engineering provided a custom shoring pit with support frame, plans for pipe supports and pipe hangers for large diameter steel pipe. We also provided the review…
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,…
Stiver Engineering provided sheet pile shoring for the installation of beach vaults for the Big Wave Project in Diego Garcia, British Indian Ocean Territory. The site had hard corals located 13 feet below natural ground, so we created two alternatives for the shoring pit. The first alternative was a cantilever shoring system consisting of 14-foot…