Site Exploration; Overall Flatness And Slope Of Construction Site; Verification Of Dangerous Articles; Slope - XCMG XZ320 Operation Instructions Manual

Manual of XZ320 Horizontal Directional Drill
zones.
2.1.4 Provide phone numbers of local rescuing and medical departments
as well as phones.

2.2 Site exploration

Construction site shall be inspected as follows before equipment
：
positioning

2.2.1 Overall flatness and slope of construction site

2.2.2 Height drop of construction site such as hill and valley, etc;
2.2.3 Obstacles such as building, railway and river, etc;
2.2.4 Mark of underground pipelines (shown in Safety Protection Part)
2.2.5 Traffic circumstances
2.2.6 Entry route
2.2.7 Soil quality and geologic conditions
2.2.8 Water supply situations
2.2.9 Trace and position disturbance source such as reinforcement iron bar
and steel rail, etc of the system.
2.2.10 Select points and collect soil samples along bore track to define drill
bits for drilling and re-expanding.

2.3 Verification of dangerous articles

Please refer to "Safety Protection" for verification of underground
dangerous articles and division of site category.
Note: Use equipment by abiding by operation regulations accurately and
maintain necessary safety protection facilities because underground
dangerous articles may cause death or casualty.
2.4 Position selection of perforation and final hole
Consider following circumstances when selecting perforation
positions.

2.4.1 Slope

Mud mixing station shall be in horizontal position and perforation angle
shall be considered to avoid influence to drill installation and prevent mud
from flowing out of the hole due to bent auger stem.
2.4.2 Traffic
Locomotives and pedestrians must be out of safety distance of
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