Tunnels – Page 19 – Southland Holdings

Briar Creek Relief Sewer Tunnel Phase 2

Briar Creek Relief Sewer Tunnel Phase 2 https://www.southlandholdings.com/wp-content/uploads/2025/09/Briar%20Creek%20Relief%20Sewer%20Phase%202_001.jpg 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/Briar%20Creek%20Relief%20Sewer%20Phase%202_001.jpg September 23, 2025 September 23, 2025

Completed in 2014 by Southland Contracting, the Briar Creek Relief Sewer Phase II Project consisted of the construction of approximately 3.5 miles of finished internal diameter between 8.5 feet and…

East Bank – West Bank Sewer Interceptor

East Bank – West Bank Sewer Interceptor https://www.southlandholdings.com/wp-content/uploads/Southland_Holdings_Stacked.png 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/Southland_Holdings_Stacked.png September 23, 2025 September 23, 2025

Completed in 2015 by Southland Contracting, the East-West Bank Sewer Interceptor Project consisted of the construction of approximately 3,350 linear feet of 118-inch outside diameter (OD) Tunnel Boring Machine (TBM)…

Liberty University Vehicular Tunnel

Liberty University Vehicular Tunnel https://www.southlandholdings.com/wp-content/uploads/2025/09/Liberty%20University%20Vehicular%20Tunnel_01.jpg 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/Liberty%20University%20Vehicular%20Tunnel_01.jpg September 23, 2025 September 23, 2025

Completed in 2014 by Southland Contracting, the Liberty University Vehicular Tunnel Project consisted of the construction of a twin-tube box tunnel system to pass under the existing set of Norfolk…

Bi-County Water Tunnel

Bi-County Water Tunnel https://www.southlandholdings.com/wp-content/uploads/2025/09/Bi-County%20Water%20Tunnel_001.jpg 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/Bi-County%20Water%20Tunnel_001.jpg September 23, 2025 September 23, 2025

Completed in 2015 by Southland Contracting, the Bi-County Water Tunnel Project consisted of the construction of a new 5.3-mile water pipeline to meet the future water requirements for Montgomery and…

Gateway Stormwater Ponds Tunnel

Gateway Stormwater Ponds Tunnel https://www.southlandholdings.com/wp-content/uploads/2025/08/Gateway%20Stormwater%20Ponds%20Tunnel_01.jpg 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/08/Gateway%20Stormwater%20Ponds%20Tunnel_01.jpg September 23, 2025 September 23, 2025

Completed in 2015 by Southland Contracting, the Gateway Stormwater Ponds Tunnel Project consisted of the construction of approximately 580 linear feet of 96-inch diameter liner plate tunnel with 592 linear…

New Irvington Tunnel

New Irvington Tunnel https://www.southlandholdings.com/wp-content/uploads/2025/09/New%20Irvington%20Tunnel_01.jpg 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/New%20Irvington%20Tunnel_01.jpg September 23, 2025 September 23, 2025

Completed in 2015 by Southland Contracting, the New Irvington Tunnel Project consisted of the construction of a 3.5 miles long, 16.5 foot diameter tunnel for water conveyance, replacing the existing…

Jollyville Transmission Main

Jollyville Transmission Main https://www.southlandholdings.com/wp-content/uploads/2025/09/Jollyville%20Transmission%20Main_01.jpg 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/Jollyville%20Transmission%20Main_01.jpg September 23, 2025 September 23, 2025

Completed in 2015 by Southland Contracting, the Jollyville Water Transmission Main Project was necessary to transport water from Water Treatment Plant No. 4 to the Jollyville Reservoir where it will…

48-inch Bachman Wastewater Interceptor

48-inch Bachman Wastewater Interceptor https://www.southlandholdings.com/wp-content/uploads/2025/09/48-inch%20Bachman%20WW%20Interceptor_01.JPG 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/48-inch%20Bachman%20WW%20Interceptor_01.JPG September 23, 2025 January 21, 2026

Completed in 2016 by Southland Contracting, the 48-Inch Bachman Lake Wastewater Interceptor Project is a noteworthy micro tunnel boring machine (MTBM) project situated in Dallas, Texas. This substantial undertaking spans…

North Acres Wastewater Tunnel

North Acres Wastewater Tunnel https://www.southlandholdings.com/wp-content/uploads/2025/09/North%20Acres%20Wastewater%20Tunnel_001.JPG 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/North%20Acres%20Wastewater%20Tunnel_001.JPG September 23, 2025 September 23, 2025

Completed in 2016 by Southland Contracting, the North Acres Wastewater Tunnel Project consisted of furnishment and installation of approximately 120 linear feet of 15-inch and 24-inch wastewater pipeline by open-cut…

Paradise Whitney Interceptor Phase 3

Paradise Whitney Interceptor Phase 3 https://www.southlandholdings.com/wp-content/uploads/2025/09/Paradise%20Whitney%20Interceptor%20Phase%203_01.JPG 1000 750 Southland Holdings Southland Holdings https://www.southlandholdings.com/wp-content/uploads/2025/09/Paradise%20Whitney%20Interceptor%20Phase%203_01.JPG September 23, 2025 September 23, 2025

Completed in 2017 by Southland Contracting, the Paradise Whitney Interceptor Phase 3 Project consisted of installation of approximately 23,300 linear feet of 36-inch to 60-inch FRP sewer mainline and 15,420…