Stiver Engineering provided numerous services for capital improvements to a 108- inch-diameter water line running from Aldine Westfield Road to Willis Street in Houston, Texas. We created shoring and portal designs for launch and receiving shafts — some as deep as 31 feet — using sheet pile and soldier piles, wale sets, steel plates, timber…
As part of the ongoing Northeast Water Purification Plant Expansion project in Houston, Stiver Engineering was asked to provide a pulley system to pick up and place 108-inch-diameter pipe sections which weighed more than 20,000 pounds. An I-beam frame was provided to help with the lifting process. Finite element analysis was performed to size the…
The Joes Creek Interceptor project in Dallas involves 8,370 linear feet of 60-inch excavated diameter tunnel that will house 36-inch HOBAS carrier pipe. There are 20 shafts (ranging from 21 to 48 vertical feet in depth), and ground conditions include sand, sand with gravel, sandstone, sandy clay, shaley clay, and shale (Eagle Ford). Stiver Engineering…
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…
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.…