Excavation and Trenching
The scale and duration of excavating and trenching are very minor and site-specific. On some drilling sites, a below-ground-level cellar may be excavated. This is where the main borehole is to be drilled. A reserve pit and settling pits may be excavated and are used for water or drilling fluid (mud) discharges.
The mud pit is excavated and lined.
Potential Hazards
- Dust and other airborne contaminants can cause respiratory problems or allergic reactions.
- Buried pipelines and cables can be damaged.
Possible Solutions
- Wear appropriate respiratory protection.
- Perform a site line location survey.
Knowledge Check Choose the best answer for the question.
1-3. What is the purpose of excavating a below-ground-level cellar on a drilling site?
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