Section 2. Operating Equipment Near Energized Equipment.
2.1. Operation of Equipment Near High-voltage Facilities.
Except for power O&M employees operating equipment in strict accordance with this
FIST, no employee shall set up or operate any piece of mechanized equipment
where it is possible to bring such equipment or any part thereof within the minimum
clearance distance specified in the following table of any high-voltage (600 volts and
above) line or installation unless at least one of the following safety precautions has
a. The utility company or owner of the line has been notified, the line deenergized and
grounded, and positive control measures taken to prevent energization of the line
during the progress of the work.
b. Adequate guards have been installed, or barriers erected, to prevent the
equipment or any part thereof from coming within the specified minimum clearance
distance of an energized conductor or part.
c. A full-time signalman, aided by an automatic warning device installed on the
equipment and/or an insulated measuring device, is utilized to warn the operator
when the equipment approaches the specified minimum distance.
50 and below
(minimum for any energized conductor)
Use 10 feet (3 meters) plus 0.4 inch (0.01) meter for each 1 kV over 50kY for other
NOTE: A NOTICE OF THE MINIMUM CLEARANCE (sic, should have been
DISTANCE) REQUIREMENTS SHALL BE POSTED IN THE OPERATOR'S CAB OF
3 (FIST 3 - 29 5/90)