The subsoil investigation consists of; drilling a total of 4 nos. boreholes together with Standard Penetration Tests (SPT).

The work provide power supply from Avaza (Mainland) to Kiz─▒l-Su Island by Horizontal Directional Drilling (HDD) method to install trenches pipes to enable the power cable to be lay. Two horizontal drilling get a diameter 30cm have be carried out to installation of 2 nos X App.850m length Polyethylene Pipes (OD. 20cm) to pulling 10 kW Electrical Cables below 15m depth from sea bed level. 250 tons pulling capacity Horizontal Drilling Rig has been utilized to these drilling and pulling operation.