Home About Us Boring Tunneling HDD Communications Shaft Construction Safety Consulting Contact Us About Bortunco 12345678910 History of BorTunCo Boring and Tunneling Company of America, LLC began operating under the trade name BorTunCo in November, 2011. Formerly known as Magnum Tunneling, LLC, the company purchased assets and the trade name BorTunCo from Boring and Tunneling Company of America, Inc., combining the operating strengths of two of the premier boring and tunneling companies in Texas. With a history dating to 1948, BorTunCo is the preferred partner of many contractors, clients and design professionals in Texas. Specializing in a variety of trenchless construction techniques, BorTunCo is capable of performing projects of all sizes and complexity. BorTunCo projects include many of Houston’s underground pedestrian tunnels, as well as other complex projects within downtown Houston and Medical Center complex. BorTunCo is the industry leader in providing trenchless construction under roadways, railroads, waterways and buildings. Throughout its history, BorTunCo entities have completed projects in 48 of the 50 states, as well as Mexico, Columbia and Saudi Arabia. BorTunCo has been a success with its customers through its focus on partnering, and provides both creative energy and the highest levels of experience to each new project. The BorTunCo management team provides over 100 years of experience and expertise within the civil construction industry. The team proactively serves industry organizations through its participation on boards and committees, including leadership roles within the Houston Contractors Association, the Associated General Contractors of America, and the Underground Construction Technology Association. We’re here to help! Let us know if you have questions or would like more information about our services. Copyright Bortunco | All Rights Reserved | Powered by Qualbe

Home About Us Boring Tunneling HDD Communications Shaft Construction Safety Consulting Contact Us Ring Beam Shaft Ring Beam Shafts are used to shore large, deep vertical excavations. The ribs provide the structural support necessary to stabilize the excavation, and lagging is placed between the ribs to hold the surrounding soil in place. Once a rib is installed, it is expanded in place. This expansion compacts the material outside of the excavation eliminating the need for grouting. We’re here to help! Let us know if you have questions or would like more information about our services. Copyright Bortunco | All Rights Reserved | Powered by Qualbe