This method is used for sites with low heights. With this method, it is possible to do pile extraction of sites with height up to 5 meters by using a base machine fixed with a pressure shovel.
Low Altitude Multiple Pulley: Capacity 30t, Height 3m-5m, Width2.7m, Weight1.8m Base Machine: 8 ton Telescopic Mini Crane
In this method leader is not required because Pressure Auger is attached at the tip of the boom. The pile vicinity is bored through the undulation of the boom and pile is extracted by medium crane. [Merit] Since leader is not required in this method, there is no need to obtain reactive force which reduces the preparation time. Possible to attach casing for large bores. (up to Φ2000) [Demerit] Depending on the size of the base machine, the length of the bore is limited. High torque augers can't be attached as it puts pressure on the machine.
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