Apply precautions, Jt25 manual – Ditch Witch JT25 User Manual
Page 66
JT25 Manual
Prepare - 65
Classify Jobsite
CMW
Apply Precautions
Once classified, precautions appropriate for jobsite must be taken.
Electric Jobsite Precautions
se one or both of these methods.
•
Expose line by careful hand digging or soft excavation. Use beacon to track bore path. If utility must be
crossed, tracker operator must watch the during drilling and backreaming. The tracker operator must
have communication with the drill operator or tracker control must be enabled with the tracker control
key in the tracker operator’s possession.
•
Have service shut down while work is in progress. Have electric company test lines before returning
them to service.
Natural Gas Jobsite Precautions
Position equipment upwind from gas lines and use one or both of these methods.
•
Expose lines by careful hand digging or soft excavation. Use beacon to track bore path. If utility must
be crossed, tracker operator must watch the during drilling and backreaming. The tracker operator
must have communication with the drill operator or tracker control must be enabled with the tracker
control key in the tracker operator’s possession.
•
Have gas shut off while work is in progress. Have gas company test lines before returning them to
service.
Crystalline Silica (Quartz) Dust Precautions
Crystalline silica dust is a naturally occur i ng substance found in soil, sand, concrete, granite, and quartz.
Breathing silica dust particles while cutting, drilling, or working materials may cause lung disease or
cancer. To reduce exposure:
•
Use water spray or other means to control dust.
•
Refer to U.S. Department of Labor Occupational Safety and Health Administration guidelines to learn
more about appropriate breathing protection and permissible exposure limits.
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.