Make a hole on steining on higher side, hole is made near the ground level and excavation is carried out by diving. If possible dewater and excavate on the higher side. This is shown in Fig.5 below.
Construct eccentric welded framed bracket and load the platform thus made with 400 to 600 tons load. This is shown in Fig.5 below.
Jett on the high side of well. Excavate under cutting edge by dewatering or by divers.
Insert wooden slippers or hooks under the cutting edge. This is shown in Figs.6 and 7 below.
Pull the well. This is shown in fig.8 below.
Strut the well. This is Shown in figure 9 below.
Push the well. This is shown in figure 10 below.