Water Resources

North Acres Wastewater Tunnel
North Acres Wastewater Tunnel 1000 750 Southland Holdings

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…

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Paradise Whitney Interceptor Phase 3
Paradise Whitney Interceptor Phase 3 1000 750 Southland Holdings

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…

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Highway 41, Phase IV Tunnel
Highway 41, Phase IV Tunnel 1000 750 Southland Holdings

Completed in 2017 by Southland Contracting, the Highway 4, Phase IV Tunnel Project consisted of installation of approximately 3,400 linear feet of 84-inch liner plate tunnel with 42-inch ductile iron…

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Bellvue Transmission Pipeline North Segment – Phase 2
Bellvue Transmission Pipeline North Segment – Phase 2 1000 750 Southland Holdings

Completed in 2018 by Southland Contracting, the Bellevue Transmission Pipeline North Segment – Phase 2 Project consisted of installation of approximately 2,500 linear feet of 88-inch tunnel – supported with…

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Kaneohe-Kailua Sewer Tunnel Wastewater Conveyance & Treatment Facility
Kaneohe-Kailua Sewer Tunnel Wastewater Conveyance & Treatment Facility 1000 750 Southland Holdings

Completed in 2019 by Southland Contracting, the Kaneohe-Kailua Sewer Tunnel Wastewater Conveyance & Treatment Facility Project was delivered to convey wastewater from the Kaneohe Wastewater Pre-Treatment Facility to Kailua’s Regional…

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Deep Rock Tunnel Connector Pump Station
Deep Rock Tunnel Connector Pump Station 1000 750 Southland Holdings

Completed in 2019 by Southland Contracting, the Deep Rock Tunnel Connector Pump Station Project was an effort to improve the water quality for the residents of the City of Indianapolis,…

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Hanlan Feedermain and Mississauga City Centre Watermain (Contract 3)
Hanlan Feedermain and Mississauga City Centre Watermain (Contract 3) 1000 750 Southland Holdings

Completed in 2019 by Southland Contracting, the Hanlan Feedermain and Mississauga City Centre Watermain (Contract 3) Project consisted of the installation of 8-foot diameter pipes to carry water from the…

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E-19 Sequin Road to Nacogdoches Road, Segment 1
E-19 Sequin Road to Nacogdoches Road, Segment 1 1000 750 Southland Holdings

Completed in 2020 by Southland Contracting, the E-19 Sequin Road to Nacogdoches Road, Segment 1 Project consisted of the replacement and upsizing of 3.1 miles of 48-inch gravity wastewater mains…

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Phase V West Ashley Sewer Tunnel and Influent Pump Station
Phase V West Ashley Sewer Tunnel and Influent Pump Station 1000 750 Southland Holdings

Completed in 2020 by Southland Contracting, the Phase V West Ashley Sewer Tunnel and Influent Pump Station Project consisted of the replacement of an existing sewer tunnel, the construction of…

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C5 Culebra Castroville to Laredo, Phase 1B
C5 Culebra Castroville to Laredo, Phase 1B 1000 750 Southland Holdings

Completed in 2021 by Southland Contracting, the C5 Culebra Castroville to Laredo, Phase 1B Project consisted of the sanitary sewer construction with depths of 20 feet and vertical trench protection.…

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