Work is underway on Houston’s Northeast Transmission Line, a 108-in. diameter pipeline intended to move up to 365 million gallons per day of treated drinking water 16.5 miles across the city’s urban landscape. This project required the design of a pipe brake system for a tunnel launch pit. The system was designed to restrain the…
Stiver Engineering provided a variety of services for the Mason Park bridge project in Houston. We performed analysis and design for lifting sections, designed stiffener plates for lifting and the outrigger foundations for the bridge’s construction. The outrigger foundations were designed to handle the lifting of 70-ton steel pedestrian bridge section from the bayou banks.…
As part of the ongoing Northeast Water Purification Plant Expansion Project, Stiver Engineering provided a custom pipe support system design for an existing 66-inch water line that provides water to Bush Intercontinental Airport and North Houston. The Mayor’s Office was notified of the risks associated with the project before work began. More than 35 feet…
Stiver Engineering responded to an emergency situation regarding a sinkhole beneath the control building at the Houston Water Control and Improvement District’s No. 47 wastewater treatment plant. The sinkhole, which was roughly 20 feet wide and 30 feet deep, was jeopardizing the building’s stability as well as the plant’s effluent line. Stiver proposed a solution…
As part of a micro-tunnel project in Charlotte, North Carolina, Stiver Engineering created plans for seven tunnel boring machine runs along with launch and receiving shaft design. The plans included designs for a trench box bore pit, pile and lagging shafts at various depths and soil conditions, and a liner plate circular shaft with multiple…