UNUSUAL ENVIRONMENT/WEATHER CONDITIONS
Operating in Sand or Dust
Remove any sand or dust from supply and return duct air screens before installing supply and return air hose
assemblies or operating combustion air fan assembly.
Keep supply and return duct cover assemblies installed when not in use.
Keep all doors and panels closed whenever possible.
Perform Operation Under Usual Conditions procedures (WP 0005 00).
END OF WORK PACKAGE