1. The tube is positioned accurately over the set-out position and a pneumatic mole is used to compact a plug at the base of the tube and bottom driving commences
2. Welding of extra tube sections is initiated as required and continuation of the bottom driving and repetition of the welding continues as driving advances
3. Driving of the pile ends when the pre-determined set, or design depth is reached
4. Reinforcement is placed within the steel tubes
5. The steel tube is filled with either concrete or grout.