– Crystalline silica and other dust
If you will be drilling through or cutting concrete,
sand, or other substances that create dusts
or fumes, you need to ensure that you and all
workers wear breathing protection to protect
your lungs from the dust.
DANGER
Contacting underground hazards with
the machine while drilling or reaming
can cause explosion, electrocution,
breathing problems, severe trauma, and
death to you or bystanders.
◊ Ensure that all personnel at the
job site wear personal protective
equipment including a hard hat, eye
protection, electrically insulated
safety boots and gloves, and hearing
protection.
◊ Keep bystanders and spectators
away from the job site, including the
complete bore path.
◊ Locate and expose all electric and
gas lines that you will be crossing by
careful hand digging.
◊ Ensure that you use the Zap-Alert
system whenever operating the
machine.
DANGER
Drilling into a gas line can cause an
explosion or fire, burning, injuring, or
killing you or others in the vicinity of
the break.
◊ Do not smoke or have any source of
flame near gas lines or at either end
of a bore that will be crossing a gas
line.
◊ Keep bystanders and spectators
away from the job site, including the
complete bore path.
◊ Locate and expose all gas lines that
you will be crossing by careful hand
digging.
◊ Have the gas company turn off the
gas to any lines you will be crossing
before drilling.
◊ Use the receiver to track the exact
position of the drill head when
approaching gas lines.
DANGER
Drilling into an electric power line
will cause the machine to become
electrified and may electrocute you or
any bystanders.
◊ Keep bystanders and spectators
away from the job site, including the
complete bore path.
◊ Locate and expose all electric lines
that you will be crossing by careful
hand digging.
◊ Have the electric company turn off
the power to any lines you will be
crossing before drilling.
◊ Use the receiver to track the exact
position of the drill head when
approaching electric lines.
◊ Before drilling, setup and use the
Zap-Alert system which is designed
to notify in the case of an electric
strike. If the Zap-Alert alarm triggers,
stop what you are doing and do
not leave the operator’s position.
Refer to
for detailed
instructions on using the Zap-Alert
system.
37
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