1. Position the rotary drilling rig/small pile driver/tracked pile driver/long auger drill.drilling rig equipment for sale
2. Install the casing.
3. Start drilling after the drill bit lightly touches the ground.
4. When the drill bit is full of soil and sand, lift it out of the hole.
5. Rotate the rotary drilling rig/small pile driver/tracked pile driver/long auger drill back to its original position and dump the soil and sand onto a dump truck or the ground.
6. Close the drill bit valve, rotate the rotary drilling rig/small pile driver/tracked pile driver/long auger drill back to its original position, and lock the rotating body of the drill.
7. Lower the drill bit.
8. Drilling is complete; clean the hole and measure the depth.
9. Insert the reinforcing cage and guide pipe.
10. Pour concrete.
11. Remove the casing, clean the pile head of sediment, and backfill to form the pile.
