Hazard Assessment Checklist Page 7
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Are only approved apparatus (torches, regulators, pressure-reducing valves, acetylene generators, manifolds)
used?
Are cylinders kept away from sources of heat?
Is it prohibited to use cylinders as rollers or supports?
Are empty cylinders appropriately marked their valves closed and valve-protection caps on?
Are signs reading: DANGER NO-SMOKING, MATCHES, OR OPEN LIGHTS, or the equivalent posted?
Are cylinders, cylinder valves, couplings, regulators, hoses, and apparatus keep free of oily or greasy
substances?
Is care taken not to drop or strike cylinders?
Unless secured on special trucks, are regulators removed and valve-protection caps put in place before
moving cylinders?
Do cylinders without fixed hand wheels have keys, handles, or non-adjustable wrenches on stem valves when
in service?
Are liquefied gases stored and shipped valve-end up with valve covers in place?
Are employees instructed to never crack a fuel-gas cylinder valve near sources of ignition?
Before a regulator is removed, is the valve closed and gas released form the regulator?
Is red used to identify the acetylene (and other fuel-gas) hose, green for oxygen hose, and black for inert gas
and air hose?
Are pressure-reducing regulators used only for the gas and pressures for which they are intended?
Is open circuit (No Load) voltage of arc welding and cutting machines as low as possible and not in excess of
the recommended limits?
Under wet conditions, are automatic controls for reducing no-load voltage used?
Is grounding of the machine frame and safety ground connections of portable machines checked periodically?
Are electrodes removed from the holders when not in use?
Is it required that electric power to the welder be shut off when no one is in attendance?
Is suitable fire extinguishing equipment available for immediate use?
Is the welder forbidden to coil or loop welding electrode cable around his body?
Are wet machines thoroughly dried and tested before being used?
Are work and electrode lead cables frequently inspected for wear and damage, and replaced when needed?
Do means for connecting cables' lengths have adequate insulation?
When the object to be welded cannot be moved and fire hazards cannot be removed, are shields used to
confine heat, sparks, and slag?
Are firewatchers assigned when welding or cutting is performed, in locations where a serious fire might
develop?
Are combustible floors kept wet, covered by damp sand, or protected by fire-resistant shields?
When floors are wet down, are personnel protected from possible electrical shock?
When welding is done on metal walls, are precautions taken to protect combustibles on the other side?
Before hot work is begun, are used drums, barrels, tanks, and other containers so thoroughly cleaned that no
substances remain that could explode, ignite, or produce toxic vapors?
Is it required that eye protection helmets, hand shields and goggles meet appropriate standards?
Are employees exposed to the hazards created by welding, cutting, or bracing operations protected with
personal protective equipment and clothing?
Is a check made for adequate ventilation in and where welding or cutting is preformed?
When working in confined places are environmental monitoring tests taken and means provided for quick
removal of welders in case of an emergency?
COMPRESSORS & COMPRESSED AIR
Are compressors equipped with pressure relief valves, and pressure gauges?
Are compressor air intakes installed and equipped to ensure that only clean uncontaminated air enters the
compressor?
Are air filters installed on the compressor intake?
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