Tunnels

Heights Interceptor, Contract 7A
Heights Interceptor, Contract 7A 1000 750 Southland Holdings

Completed in 1996 by Mole Constructors, the Heights Interceptor, Contract 7A project consisted of approximately 15,250 linear feet of rock tunnel through shale excavated via a 105-inch Lovat Tunnel Boring…

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Upper Scioto West Interceptor Sewer, Part 1
Upper Scioto West Interceptor Sewer, Part 1 1000 750 Southland Holdings

Completed in 1995 by Mole Constructors, the Upper Scioto West Interceptor Sewer, Part 1 project consisted of 4 shafts ranging in depth from 70 feet to 95 feet and approximately…

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Upper Scioto West Interceptor Sewer, Part 2
Upper Scioto West Interceptor Sewer, Part 2 1000 750 Southland Holdings

Completed in 1995 by Mole Constructors, the Upper Scioto West Interceptor Sewer, Part 2 project consisted of 6 shafts ranging in depth from 70 feet to 95 feet and 9,700…

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Village Creek Peak Flow Handling Contract No. 2
Village Creek Peak Flow Handling Contract No. 2 1000 750 Southland Holdings

Completed in 1998 by Mole Constructors, the Village Creek Peak Flow Handling Contract No. 2 project consisted of approximately 3,319 linear feet of rock tunnel with a 120-inch cast-in-place final…

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Mill Creek Interceptor – Contract 1
Mill Creek Interceptor – Contract 1 1000 750 Southland Holdings

Completed in 2003 by Mole Constructors, the Mill Creek Interceptor – Contract 1 project consisted of approximately 12,900 linear feet of 12 ft 8-inch diameter tunnel excavated using a 152-inch…

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Fairmount Boulevard Intercommunity Relief Sewer
Fairmount Boulevard Intercommunity Relief Sewer 1000 749 Southland Holdings

Completed in 1998 by Mole Constructors, the Fairmount Boulevard Intercommunity Relief Sewer project consisted of approximately 10,989 linear feet of rock tunnel in shale and 2,302 linear feet of soft…

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Cahaba River Trunk Sewer, Contract 2; Altadena to Cahaba River Road
Cahaba River Trunk Sewer, Contract 2; Altadena to Cahaba River Road 1000 750 Southland Holdings

Completed in 2002 by Mole Constructors, the Cahaba River Trunk Sewer, Contract 2 project consisted of the excavation of approximately 8,900 linear feet of 12 foot diameter tunnel for a…

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Van Aken Boulevard Intercommunity Relief Sewer
Van Aken Boulevard Intercommunity Relief Sewer 1000 750 Southland Holdings

Completed in 2003 by Mole Constructors, the Van Aken Boulevard Intercommunity Relief Sewer Project consisted of the excavation of approximately 8,667 linear feet of 8 ft 9-inch diameter tunnel for…

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Cahaba River Trunk Sewer, Contract 3
Cahaba River Trunk Sewer, Contract 3 1000 750 Southland Holdings

Completed in 2003 by Mole Constructors, the Cahaba River Trunk Sewer, Contract 3 project consisted of the excavation of approximately 5,000 linear feet of 12 foot diameter tunnel for a…

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Brushy Creek Regional Interceptor – Contract 21
Brushy Creek Regional Interceptor – Contract 21 1000 750 Southland Holdings

Completed in 2004 by Mole Constructors, the Brushy Creek Regional Interceptor – Contract 21 project included a tunnel consisting of 10,116 linear feet of 110-inch diameter excavation, from one work…

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