Tunnels

West Fork Relief Interceptor
West Fork Relief Interceptor 1000 750 Southland Holdings

Completed in 2009 by Southland Contracting, the West Fork Relief Interceptor Project consisted of installing approximately 265 linear feet of 102-inch tunnel, 750 linear feet of 96-inch tunnel, and 703…

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Transfer Service Main
Transfer Service Main 1000 750 Southland Holdings

Completed in 2009 by Southland Contracting, the Transfer Service Main Project consisted of installing approximately 1,570 linear feet of 84-inch two pass tunnel using liner plate as primary liner. Project…

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Duck Creek Interceptor Sewer System
Duck Creek Interceptor Sewer System 1000 750 Southland Holdings

Completed in 2008 by Southland Contracting, the Duck Creek Interceptor Sewer System Project consisted of installing approximately 70 linear feet of 84-inch tunnel. Project Details Owner: City of Garland Location:…

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West Travis County Regional Water Treatment Plant
West Travis County Regional Water Treatment Plant 1000 750 Southland Holdings

Completed in 2008 by Southland Contracting, the West Travis County Regional Water Treatment Plant Project consisted of installing approximately 140 linear feet of 54-inch Tunnel Boring Machine (TBM) intake tunnel…

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Lower Big Haynes 54-inch Sanitary Sewer Project
Lower Big Haynes 54-inch Sanitary Sewer Project 1000 750 Southland Holdings

Completed in 2008 by Southland Contracting, the Lower Big Haynes 54-inch Sanitary Sewer Project consisted of installing approximately 900 linear feet of 84-inch neutral axis liner plate tunnel with a…

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Mountain Creek Subsystem MC-5 & MC-6 Interceptor Project 1A
Mountain Creek Subsystem MC-5 & MC-6 Interceptor Project 1A 1000 750 Southland Holdings

Completed in 2008 by Southland Contracting, the Mountain Creek Subsystem MC-5 & MC-6 Interceptor Project 1A Project consisted of installing approximately 1,480 linear feet of 124-inch diameter tunnel, lined with…

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Southside II Water Transmission Main Part 5
Southside II Water Transmission Main Part 5 1000 750 Southland Holdings

Completed in 2008 by Southland Contracting, the Southside II Water Transmission Main Part 5 Project consisted of installing approximately 610 linear feet of 72-inch steel casing and liner plate tunnel.…

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Southwest 60-inch Pipeline
Southwest 60-inch Pipeline 1000 750 Southland Holdings

Completed in 2009 by Southland Contracting, the Southwest 60-inch Pipeline Project consisted of installing approximately 927 linear feet of 78-inch two pass tunnel using liner plate as primary liner. Project…

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Kings Grant Rocky River Parallel Interceptor
Kings Grant Rocky River Parallel Interceptor 1000 750 Southland Holdings

Completed in 2009 by Southland Contracting, the Kings Grant Rocky River Parallel Interceptor Project consisted of installing approximately 330 linear feet of 66-inch microtunnel under IH-85, and 90 linear feet…

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Johnson Creek Interceptor Project
Johnson Creek Interceptor Project 1000 750 Southland Holdings

Completed in 2009 by Southland Contracting, the Johnson Creek Interceptor Project consisted of installing approximately 7,300 linear feet of 54-inch gravity sewer main by Tunnel Boring Machine (TBM), 997 linear…

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