Tunnels

Jollyville Transmission Main WTP4
Jollyville Transmission Main WTP4 1000 750 Southland Holdings

Completed in 2011 by Mole Constructors, Inc., The Jollyville Transmission Main WTP4 Tunnel is an 84-inch lined transmission main tunnel; approximately 35,000 feet in length. The final 84-inch lining was…

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Valley Belt Gravity Sewer
Valley Belt Gravity Sewer 1000 751 Southland Holdings

Mole Constructors successfully completed the excavation of 1,600 linear feet of tunnel for the Valley Belt Gravity Sewer Project. This project involved jacking two 800-foot runs of 42-inch diameter, 8-foot-long…

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MAC-LRT Stations & Tunnels – Twin 21′ Diameter Tunnels under Minneapolis Airport and Runways for Light Rail Station
MAC-LRT Stations & Tunnels – Twin 21′ Diameter Tunnels under Minneapolis Airport and Runways for Light Rail Station 1000 750 Southland Holdings

Completed in 2005, the MAC-LRT Stations & Tunnels – Twin 21′ Diameter Tunnels under Minneapolis Airport and Runways for Light Rail Station project consisted of constructing two 1.8 miles long…

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