Job Hazard Assessment (JHA)

Aero 80FP Ice

Blasting Operation
Job Name: Fort Calhoun Date

Foreman Name: Anthony Ortega

TASK # TASK / STEP HAZARDS CONTROL MEASURES

1 Mobilization  Discuss Unsafe Conditions  Work area inspection
 Unsafe operation  Inspect equipment
 Awareness of Site Rules  List potential unsafe conditions
to ensure that all members of
the crew working are aware of
any potential hazards.
 Trained personnel to be used
2 Aero 80FP Set Up  Faulty operation/damaged  Qualified personnel to operate
equipment.  Understand machine parts and
functions.
 Keep hoses and power cord out
of traffic areas.
 Inspect blasting unit and all
components prior to use.
 Inspect all hoses for damage
(nicks and gouges).
 Ensure hoses are properly
attached.
 Remove all damaged
equipment/parts immediately.
 Never operate the unit with the
guards removed.
 Never mask the machine’s
ventilation holes.
3 Aero 80FP Operation  Flying objects To Start Aero 80FP
 Noise  Refer to operator manual

JHA 11/11 Page 1 of 6

 TASK # TASK / STEP HAZARDS CONTROL MEASURES
(attached).
 Only authorized personnel in
work area.
 PPE per Aero 80FP guidelines
Gloves, Safety Glasses + Face
Shield, Ear plugs
 Only use dry ice pellets as the
cleaning media.
 Always engage applicator
safety switch before laying it
down or passing it to someone.
 Never point the nozzle at self or
anyone else.
 Never use a wire tie or similar
to hold and press trigger down
in on position.
 Ensure hoses are properly
attached.
 Attach the whip check to the air
supply hose and then attach the
air supply hose to the machine.
 Never exceed recommended
hose or blasting unit pressure
levels.
 Always turn the Main power off
and remove the applicator
control cable before removing
the blast hose.
 Electrocution  Know your environment and
 Electrostatic Discharge conditions. Electrostatic
 Static discharge may ignite discharge is higher at low
flammables. humidity levels and occurs most
 Electrostatic discharge can often during winter.
be hazardous to the operator  Attach static bond cable
and the equipment. (ground). Attach static bond

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 TASK # TASK / STEP HAZARDS CONTROL MEASURES
 Static charge of CO2 varies cable between target surface
with the amount of dry ice and blast hose or to an
and humidity present. electrically conductive
supporting structure.
 Plug into a grounded power
outlet.
 Use GFCI.
 CO2 Safety  Vapor CO2 displaces the O2
 O2 displacement levels from atmosphere rapidly.
 Hazardous atmosphere  Never operate in a confined
 Skin burns/freeze space without proper
 Tissue damage ventilation.
 Atmosphere to be verified by 4-
gas meters during operation.
 Never expose bare skin to CO2
Ice.
 Solid CO2 is extremely cold
(109° F/-78° C) always protect
skin from direct contact with
CO2 pellets.

4 Aero 80FP Blast Cleaning Technique  Strike/cut/pinch/blast/by  Purge system with air upon
hazards start-up, breaks and before
 Clogging loading dry ice.
 Skin burns/freeze  Position machine for maximum
 Tissue damage maneuverability.
 Damage equipment  Positon blast hose for
maximum maneuverability.
 Inspect hose for damage, kinks,
etc.
 Inspect nozzles, blast hose,
applicator and control cable for
any damage.
 No foreign objects in the dry ice
hopper, remove immediately if

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 TASK # TASK / STEP HAZARDS CONTROL MEASURES
found.
 Hold nozzle perpendicular to
surface to be cleaned.
 Optimum nozzle standoff
distance is 2-6 inches (5-15 cm)
for most nozzles.
 Find optimum feed rate, start at
0 and increase until desired
rate is obtained.
 Check feed rate to avoid nozzle
clogging at pressures below
50psi (3.4 bar).

5 Aero 80FP Reloading Dry Ice  Strike/cut/pinch/by hazards  Disable applicator

 Skin burns/freeze  Extreme care when placing dry
 Tissue damage ice into hopper.
 Damage equipment  Close fill lid
 Enable air + dry ice applicator
mode.
 Squeeze blast applicator trigger
to blast.
 Solid CO2 is extremely cold
(109° F/-78° C) always protect
skin from direct contact with
CO2 pellets.
 Always wear gloves to protect
hands from cold temperatures.
6 Aero 80FP Removing Unused Dry Ice  Strike/cut/pinch/by hazards  Engage the disable blast
 Skin burns/freeze button.
 Tissue damage  Turn hopper tilt switch on
 Damage equipment control panel to the right.
 Do not use blast hose to move
machine.
 Do not kink blast hose.
 Press manual hopper agitation

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 TASK # TASK / STEP HAZARDS CONTROL MEASURES
button to dislodge any residual
dry ice in hopper.
 Once hopper is empty return tilt
switch to the left.
 Solid CO2 is extremely cold
(109° F/-78° C) always protect
skin from direct contact with
CO2 pellets.
 Always wear gloves to protect
hands from cold temperatures.

JHA 11/11 Page 5 of 6

 Employee Acknowledgement SIGNATURES (JHA)

Company Name Printed Name Signature Date

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