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Dewatering


Well-point System


Well point system is one of the most versatile and pre-drainage methods which can pump a few gallons per minuet in fine sandy silts or many thousands of gallons per minute in coarse sands and gravels.
A well point system consists of a number of well points spaced along a trench or around an excavation site, all connected to common header pipe, which is attached to one or better point dewatering pumps.

Well point system is more suitable in shallow aquifers where water level needs to be lowered no more than 15-20 feet. Due to the vacuum limitation of the pump, excavations that are deeper will require multiple stages of well point systems.











Deep-well System


Deep well systems consist of one or more individual wells, each of which has its own submersible pump at the bottom of the well.

The deep well system is also a versatile pre-drainage dewatering system which can pump high and low volumes of ground water. This method is best suited to homogenous deep excavation that extends well below the bottom of the excavation. Deep well system consists of one or more individual wells, each of which has its own submersible pump at the bottom of the well. Deep well systems are suitable for water table or confined excavation and will lower the water table 100 feet or more in single lift without staging.

GSGC offers a full professional service from initial design, drilling, supply and installation of pumping equipment together with all associated accessories.






Drilling of Well Points
Connection of Pump to Header Pipe
Drilling by Auger
Coupling of uPVC Casing
Installation of Casing to required Depth
Deep Well System at Fujairh Power Plant
Protection fo Steel