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Managing the Burn: Firing techniques and managing ignition for fire effects
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FIRING CONSIDERATIONS
Desired fire behavior Topography Wind changes through the predicted burn period Crew safety Firing methods Smoke management
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FIRING TECHNIQUES Back fire Strip fire Spot fire Flank fire Ring fire
Head fire
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Back Firing Where Used: Understory Burning, Heavy Fuels, Near Control Line, Smoke Sensitive Areas. Advantages: Low Intensity, Low Scorch, Minimal Spotting Potential, High Consumption. Disadvantages: Slow, Poor Dispersion.
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Strip Head Firing Where Used: Large Units, Shrublands, Grasslands.
Advantages: Fast, Flexible, Can Adjust Intensity. Disadvantages: Requires Access to the Unit, Fires Will Interact.
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Spot Head Firing Where To Use: Large Units, Units With Dispersed Fuels, Understory Burns. Advantages: Fast, Intensity Highly Adjustable, Variable Fire Behavior. Disadvantages: Need Access to the Unit.
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Flank Firing Where Used: Shrublands, Light Fuels.
Advantages: FL Between Backing and Head Fire Behavior, Easily Modified. Disadvantages: Susceptible to Wind Shifts, Requires Experience Firing Personnel.
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Ring Firing Where Used: Shrublands, Brush Piles, Clearcuts.
Advantages: Fast, Excellent Smoke Dispersal, Very High Intensity, Good Draw. Disadvantages: Strong Convection Column May Develop, Spotting Potential May be High.
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Head Firing Where Used: Large Units, Shrublands, In Communities with Light Fuels. Advantages: Fast, Inexpensive, Good Smoke Dispersal. Disadvantages: High Intensity, Greater Spotting Potential, Larger Volume of Smoke Generated.
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FIRING TECHNIQUES
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IGNITION METHODS
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