WELDING & CUTTING ON PAINTED SURFACES
When welding or cutting steel coated with a certain
paint systems, the worker is exposed
to decomposition products (metal
fumes, gases or vapors, particulate)
which vary depending on the type of
process being used to weld or cut, the
nature of the base metal, and the type
of coating system. The following
control procedures should be utilized
when one is welding or cutting coated
steel:
• Use a power brush or grinding wheel to strip the coating from the steel in the vicinity
where the cut or weld is to be made. Remove the paint far enough from the weld to
prevent any remaining paint from becoming heated and bubbling. If this happens,
continue to brush or grind the paint away.
• A toxic dust respirator and eye protection should be used while stripping the paint.
• Welder should be outfitted with a fresh air supplied respirator and other personal
protective equipment required for welding.
• Other employees should be removed from the area or told to stand back a minimum of
10 feet from the welder. Do not be in direct line with the weld fumes.
• Use a local exhaust hood to remove fumes during the welding or cutting operation if
one is available.
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