42 JT920/JT920L - SAFETY
EMERGENCY PROCEDURES
42 JT920/JT920L - SAFETY
EMERGENCY PROCEDURES
If an Electric Line is Damaged
On Drilling Unit or Bonded Ground Mats
1. DO NOT MOVE. Remain on drilling machine or mats.
2. Warn people nearby that an electric strike has occurred.
3. Have someone contact electric company.
4. Reverse drilling direction and try to break contact. Do not
touch drill pipe with hands or hand-held tools.
5. Press Electric Strike System status button.
• If alarm sounds again, stay where you are and wait for
electric company to shut off power.
• If alarm does not sound and there is no other indication
of a strike, wait at least one full minute before moving
away from equipment. Utility might use automatic
reclosers which will restart current flow. If alarm sounds
again while waiting, stay where you are until electric
company shuts off power.
• If alarm does not sound but all lights in strike indicator
are on, assume strike is continuing and stay where you
are until electric company shuts off power.
6. Do not resume drilling or allow anyone into area until given
permission by electric company.
Off Drilling Unit or Bonded Ground Mats
1. DO NOT TOUCH ANY EQUIPMENT connected to drilling
unit.
2. Stay where you are unless you are wearing electric insulating
boots. If you leave, do not return to area or allow anyone into
area until given permission by electric company.
If an Electric Line is Damaged
On Drilling Unit or Bonded Ground Mats
1. DO NOT MOVE. Remain on drilling machine or mats.
2. Warn people nearby that an electric strike has occurred.
3. Have someone contact electric company.
4. Reverse drilling direction and try to break contact. Do not
touch drill pipe with hands or hand-held tools.
5. Press Electric Strike System status button.
• If alarm sounds again, stay where you are and wait for
electric company to shut off power.
• If alarm does not sound and there is no other indication
of a strike, wait at least one full minute before moving
away from equipment. Utility might use automatic
reclosers which will restart current flow. If alarm sounds
again while waiting, stay where you are until electric
company shuts off power.
• If alarm does not sound but all lights in strike indicator
are on, assume strike is continuing and stay where you
are until electric company shuts off power.
6. Do not resume drilling or allow anyone into area until given
permission by electric company.
Off Drilling Unit or Bonded Ground Mats
1. DO NOT TOUCH ANY EQUIPMENT connected to drilling
unit.
2. Stay where you are unless you are wearing electric insulating
boots. If you leave, do not return to area or allow anyone into
area until given permission by electric company.
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