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Conducting the Prescribed Burn

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If the test fire performs satisfactorily, begin the prescribed burn by starting a back fire along the most downwind (leeward) portion of the field, according to the burn plan.

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Allow the back fire to burn inward from the control line to a distance of at least 10 meters; making sure the downwind edge of the control line has been secured, and fire has not crept across the firebreak.

 

As the back fire continues to burn against the wind, lengthen the peripheral edges of the back fire by igniting short segments of the flank control lines.

 

Allow the flanking fires to burn inward and away from the flank control lines. Never set fire to more area along the flanking control lines than what the fire crew can control.

 

At least one crew member should routinely check back along the burned control lines to make sure fire has not escaped across the lines. At this point, the ignition of additional lines of fire varies according to what type of firing technique is specified in the burn plan.

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If only a back fire is being used to burn the entire unit, continue setting fire in short distances along the flank control lines to keep ahead of the advancing backing fire.

 

When flank fires have been set all the way to the most windward (upwind) section of the field and the flanking control lines are secure, lay fire (called a headfire) along the windward control line to complete the prescribed burn.

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Crewmembers should be on constant lookout for spot fires that might erupt in nearby fields or breach control lines.

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Once the prescribed burn has been completed, crew members need to ensure that the fire is completely out. Smoldering embers can quickly reignite or be blown into neighboring areas and start wildfires.

 

Check all fields adjacent to the burn area at least twice to ensure the fire hasn’t escaped.

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Drench all smoldering debris and hot embers with water. Check the area again that night and the next day, especially if conditions have turned windy and dry.

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