1330 Operator’s Manual Prepare - 31
Classify Jobsite
CMW
Apply Precautions
Once classified, precautions appropriate for jobsite must be taken.
Electric Jobsite Precautions
Use one or both of these methods.
• Expose line by careful hand digging or soft excavation.
• Have service shut down while work is in progress. Have electric company test lines before returning
them to service.
Natural Gas Jobsite Precautions
In addition to positioning equipment upwind from gas lines, use one or both of these methods.
• Expose lines by careful hand digging or soft excavation.
• Have gas shut off while work is in progress. Have gas company test lines before returning them to
service.
Crystalline Silica (Quartz) Dust Precautions
NOTICE: Cutting, drilling, or working materials such as concrete, sand, or rock containing quartz may
result in exposure to silica dust. Use water spray or other means to control dust. If workers are exposed to
dust they must wear appropriate breathing protection. Silica dust may cause lung disease and is known to
the State of California to cause cancer.
Other Jobsite Precautions
You may need to use different methods to safely avoid other underground hazards. Talk with those
knowledgeable about hazards present at each site to determine which precautions should be taken or if
job should be attempted.
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