Installation of Dewatering Wells at Shell (Corrib)

Installation of dewatering wells in 2 phases at Corrib on-shore pipeline at Aughoose and Glengad (reception shaft) including open holing @ 14¾" dia to accommodate 10" mild steel casing into rock-head. Drill @ 10" to install 6" uPVC screen & casing to borehole target depth of 25-35 meters.Grout by tremie pipe injection method and well development.

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