Well Point Dewatering Procedure

Well points are prepared at a distance of about 1m around the area to be excavated.

Well point dewatering procedure.

Procedure of well point system. Wellpoint dewatering also known as spear point is an effective dewatering technique. 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. Water is released at the rate of 20 to 25 liters per second at these well points which causes the soil to be dug and the well point to sink deeper into the ground.

The following procedure is adopted in the well point. In appropriate ground conditions a wellpoint system can be installed speedily and made operational rapidly. The wells are arranged either in a line or a rectangular form where the wellpoints are created at a distance of at least 2m from each other.