Ground Sun installed screw piles for this 2 storey terraced house extension with limited access.

A handheld hydraulic rig was used to drill the screw into the ground. Extensions are bolted on to the shaft and the helical piles are pulled downwards. Torque is applied until the necessary load capacity has been achieved. A flowable grout fills the void surrounding and encapsulating the shaft.

The helical pile shaft is then cut off and a pile cap is attached ready for the steel ring beam to be installed.

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