1.Select experienced, strong sense of responsibility construction team, to ensure the quality of Rotary Piling Rig operators.
2.Strengthen the inspection of drill, prohibited the use of defective drilling tools.
3.For the hole head height, relative density and viscosity of the Slurry Mixer, is often observed and detected, find and solve problems timely.
4.The drilling operation should be placement continuously. Make slag sample in soil changes to identify soil, check and geological data, take appropriate measures according to the soil condition, to ensure the construction quality.
5.Lifting and drilling cone must be stable.