Tunnels – Southland Holdings

Jacking, Boring or Tunneling Pipe – Segment 1, Section 1

Jacking, Boring or Tunneling Pipe – Segment 1, Section 1 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 2004 by Southland Contracting, the Jacking, Boring, or Tunneling Pipe Segment 1, Section 1 Project consisted of installing approximately 160 linear feet of 30-inch steel pipe, 80…

Mill Creek/Peaks Branch/State Thomas Drainage Relief Tunnel

Mill Creek/Peaks Branch/State Thomas Drainage Relief Tunnel 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 2026 by Southland Contracting, the Mill Creek/Peaks Branch/State Thomas Drainage Relief Tunnel Project construction and scope of work includes tunneling, 17,050 linear feet of 30-inch diameter concrete lined…

Treated Water Transmission Main, Section 5

Treated Water Transmission Main, Section 5 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 2003 by Southland Contracting, the Treated Water Transmission Main, Section 5 Project consisted of approximately 308 linear feet of 60-inch casing pipe by jack and bore methods and…

Lewisville Bore

Lewisville Bore 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 2002 by Southland Contracting, the Lewisville Bore Project consisted of approximately 240 linear feet of 42-inch casing pipe by bore method Project Details Owner: City of Lewisville Location:…

36 SR, P.11, G.5.C2, U2 Hemphill

36 SR, P.11, G.5.C2, U2 Hemphill 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 by Southland Contracting, the 36 SR, P.11, G.5.C2, U2 Hemphill Project consisted of approximately 340 linear feet of 16-inch Ductile Iron Pipe (DIP) by Tunnel Boring Machine and approximately…

LCRA Brosely Creek

LCRA Brosely Creek 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 by Southland Contracting, the LCRA Brosley Creek Project consisted of approximately 350 linear feet. Project Details Owner: City of Austin Location: Austin, Texas, United States Performed as: Southland Contracting,…

Coit Road IH 635 & IH75

Coit Road IH 635 & IH75 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 2003 by Southland Contracting, the Coit Road IH 635 & IH 75 Project consisted of approximately 900 linear feet of 36-inch tunnel by Tunnel Boring Machine. Project Details…

DFW Deicing Phase II

DFW Deicing Phase II 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

800 linear feet Project Details Owner: DFW Airport Location: DFW Airport, Texas, United States Performed as: Southland Contracting, Inc. Project value: xx

207R Unit 1 Alt B

207R Unit 1 Alt B 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 by Southland Contracting, the 207R Unit 1 Alt B Project consisted of approximately 1,770 linear feet of 30-inch tunnel, 4,265 linear feet of 24-inch tunnel, 200 linear feet of…

George Bush Freeway – Hwy 78 & Rena Road

George Bush Freeway – Hwy 78 & Rena Road 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 2001 by Southland Contracting, the George Bush Freeway – Hwy 78 & Rena Road Project consisted of approximately 1,100 linear feet of 12-inch casing pipe by other than…