• 5402 - Boiler Plant Operating
  
• 5406 - Utility Systems Operating
  
• 5407 - Electric Power Controlling
  
• 5408 - Wastewater Treatment Plant Operating
  
• 5409 - Water Treatment Plant Operating
  
• 5413 - Fuel Distribution System Operating
  
• 5415 - Air Conditioning Equipment Operating
  
• 5423 - Sandblasting
  
• 5426 - Lock and Dam Operating
  
• 5438 - Elevator Operating