Southland Holdings
Completed in 1993 by Mole Constructors, the Bluestone Contract BTRS-1 project involved the construction of a tunnel stretching over approximately 16,200 linear feet to accommodate 60-inch concrete pipe. The excavation…
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Completed in 1985 by Mole Constructors, the Onion Creek Interceptor Tunnel, Section 4 project involved 29,368 linear feet of 110-inch tunnel, employing a 110-inch Lovat Tunnel Boring Machine, a 117-inch…
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Completed in 1993 by Mole Constructors, the Hilltop Interceptor Contract H-1 project entailed the construction of 18,000 linear feet of tunnel to accommodate both 60-inch and 66-inch concrete pipes. The…
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Completed in 1985 by Mole Constructors, the Merrill Creek Reservoir project entailed constructing a 1,540 linear feet tunnel with an 11-foot diameter tunnel. It was conventionally excavated as a horseshoe-shaped…
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Completed in 1992 by Mole Constructors, the Hilltop Interceptor Contract H-2 project involved roughly 18,000 linear feet of tunnel for 60-inch and 66-inch concrete pipes. Excavation was carried out through…
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Completed in 1991 by Mole Constructors, the Highway 71 Interceptor project involved approximately 3,400 linear feet of 78-inch tunnel using a 78-inch Lovat EPB Tunnel Boring Machine. The tunnel was…
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Completed in 1991 by Mole Constructors, the West Leg Contract No. 1 project encompassed roughly 10,000 linear feet of tunnel for 90-inch concrete pipe. The tunnel traversed silty clays at…
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Completed in 1990 by Mole Constructors, the Broadview Road Relief Interceptor Project project entailed about 7,000 linear feet of tunneling using a Robbins 96-inch Tunnel Boring Machine. The tunnel accommodated…
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Completed in 1991 by Mole Constructors, the Trans-Missouri River Tunnel project involved around 14,886 linear feet of 128-inch diameter tunnel, with shafts reaching depths of 340 feet using freezing methods.…
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Completed in 1990 by Mole Constructors, the Hilltop Interceptor Contract G project involved approximately 12,000 linear feet of tunneling, with Monolithic concrete lining. A modified Lovat 157-inch / 164-inch Tunnel…
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