Per the Coastal Fire Centre criteria, a category 2 open burn is defined as:

• Material in one pile not exceeding 2 metres in height and 3 metres in width
  
  
• Material concurrently in 2 piles each not exceeding 2 metres in height and 3 metres in width
  
  
• Stubble or grass over an area that does not exceed 0.2 hectares