Well Point Dewatering Procedure

A typical wellpoint system consists of a series of small diameters wells known as wellpoints connected via a header pipe.

Well point dewatering procedure.

Wellpoint dewatering also known as spear point is an effective dewatering technique. The following procedure is adopted in the well point. 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. 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. Well points are prepared at a distance of about 1m around the area to be excavated. In appropriate ground conditions a wellpoint system can be installed speedily and made operational rapidly.