Requirements for Construction of Spiral Ground Piles

1. The geological data, construction drawings and construction organization design are complete.

2. The ground and underground obstacles within the construction site have been eliminated or treated. The site has been leveled, and the weak site that affects the operation of construction machinery has been properly treated, and drainage measures have been taken.

3. Water, electricity, roads and temporary construction facilities are ready.

4. The measurement datum line and level base point have been set on site and protected.

5. When construction is carried out in complex soil layer, test piles shall be carried out in advance, and the number is generally not less than 2 piles.