The following procedure is adopted in the well point.
Well point dewatering procedure.
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.
Wellpoint dewatering is widely used for excavations of shallow depths especially for pipeline trench excavations.
Wellpoint dewatering also known as spear point is an effective dewatering technique.
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.
Well points are prepared at a distance of about 1m around the area to be excavated.