Foreign material is defined as material that is not part of a system or component as designed. This includes dirt, debris, broken or missing parts, slag, tools rags, liquids/chemicals, lapping compounds, grinding particles and any other item that would affect the intended operation of a system or component
All personnel shall assume responsibility for preventing the introduction of foreign material into systems. This will minimize damage or harmful effects. Such as corrosion, fuel damage, component malfunction, or failure, changes in chemistry.
Reduced heat transfer, increased radiation levels, changes in system flow characteristic and improper contact operation.
Specific actions includes the following
Work packages will be planned using field walk downs to determine specific FME recommendations
If temporary dams are installed which will not be readily visible upon system closure, verification of removal shall be included in the checklist.