Auger – Spoil Extraction
Spoil can be removed from the shaft to the surface using an excavator, a skip bin or the bucket elevator which loads directly into a tip truck for easy disposal.
Auger rod sitting in a concrete jacking pipe.
Pipe and auger being lowered into the shaft.
Jacking Pipe and Auger in position ready to recommence microtunnelling. Spoil captured in a skip bin.
Automated spoil removal from shaft using the bucket elevator.
Spoil being loaded onto a dump truck from the bucket elevator.
Site setup using an excavator as a crane and a bucket elevator as spoil disposal.
Auger microtunnelling head being craned onto the jacking frame, for a microtunnel beneath a railway line
Auger microtunnelling head launching. The dry spoil returned by the auger system can be seen piling next to machine, later removed by excavator.
Auger extracted spoil is dropped onto a conveyor
The bucket elevator conveys the extracted spoil to the surface