Reasonably arrange the construction site according to the design requirements, first level the site, remove debris, replace soft soil, and compact it.
After leveling the site, organize qualified survey and setting out personnel to set out all pile positions, nail cross protection piles, conduct survey reviews, and record the setting out data for filing;
When planning the driving route, maintain a certain distance between the access road and the drilling location;
To avoid affecting the stability of the hole wall;
When the construction site is dry land and the groundwater level is below the original ground level during the construction period, the site should be leveled and compacted to remove debris;
When the site is located in shallow water, a earth auger is installed on the top surface after building the island, and the top surface of the island is about 1.0m higher than the construction water level;
The chassis of the earth auger should not be directly placed on unstable soil to avoid uneven settlement;
The placement position of the earth auger should consider the convenience of excavation and transportation of the hole during drilling construction.
