Stiver Engineering provided shoring design services for the construction of three new railroad overpasses on Hempstead Road in Houston. Due to the proximity between the proposed and existing overpasses, a shoring system had to be implemented that was only 12 feet away from the railroad. The shoring design, which followed AREMA and UPRR guidelines, consisted…
This $12.4 million project for the North Texas Municipal Water District involves 2,534 linear feet of 118-inch excavated diameter tunneling. The tunnel will consist of 4-flange liner plate and will house 84-inch steel carrier pipe. It will be driven through Austin chalk with a double-shielded, open-faced, gripper-type machine with articulated steering. Tunneling was completed on…
The Integrated Pipeline is a $48.5 million joint water supply project between Dallas Water Utilities and Tarrant Regional Water District. It involves building 150 miles of pipeline to transport up to 350 million gallons water daily from three East Texas Reservoirs into the Metroplex to increase reliable water access. Crews are installing 4,400 linear feet…
The Mill Creek Drainage Relief Tunnel is a construction project that will bring needed infrastructure improvement to east Dallas, Texas. It will include 26,385 linear feet of tunneling at a 30-foot finished diameter with eight intake shafts and six lateral tunnels excavated by roadheader or excavators/breakers. The tunnel is being driven through Austin chalk by…
The new TxDOT bridge will replace the existing truss bridge over the Colorado River in Columbus, Texas. Stiver Engineering provided construction engineering to the bridge contractor with cofferdam designs for crane access on both banks of the Colorado River. The cofferdams allowed the crane to get closer to the center of the proposed bridge so…