Well Point Dewatering Procedure
Well points are prepared at a distance of about 1m around the area to be excavated.
Well point dewatering procedure. In appropriate ground conditions a wellpoint system can be installed speedily and made operational rapidly. The ground water table is influenced by means of drawing it down through the well points spears that are installed around the excavation area. Wellpoint dewatering is widely used for excavations of shallow depths especially for pipeline trench excavations. Wellpoint method of dewatering excavations 1 a series of wells of required depth are created in the vicinity of the excavated area from where the water has to be pumped out.
Wellpoint dewatering also known as spear point is an effective dewatering technique. Procedure of well point system. A typical wellpoint system consists of a series of small diameters wells known as wellpoints connected via a header pipe.