BLACKLINE home          drawing the line against wildfires  
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  •  What Blackline Does for You

  •  Blackline Applications

  •  How Blackline Works

  •  Support Equipment

 
 
 
What Blackline Does for You
 
Blackline is an innovative line of equipment for burning fire control lines:
  •  Safely
  •  Effectively
  •  Efficiently
  •  Economically
Burning fire control lines with Blackline:
  •  Decreases the risks and limitations associated with using
     blacklines as fire control lines.
  •  Expands weather parameters acceptable for creating blacklines.
  •  Reduces time-line pressures and fire staff fatigue when creating
     blacklines.
  •  Affords total control over the burning process, which can be aborted
     at any time.
  •  Speeds up the blacklining process.
  •  Requires less labor.
  •  Requires fewer backup resources.
  •  Does not promote soil erosion, as does grading.
  •  Allows you to make a firebreak of any width.
  •  Does not create a seedbed for opportunistic weeds or exotic species,      as does grading.
 
Blackline is an effective tool for:
  •  Containing prescribed fire treatments.
  •  Preventing the spread of wildfires.
Using Blackline accomplishes National Fire Plan and HFRA objectives.
 
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Blackline Applications
 
Blackline is a heavy-duty, vehicle-drawn apparatus used for burning blacklines when:
  •  The area where the blackline is required is navigable by vehicle.
  •  The distances involved are large.
 
Use Blackline to burn fire control lines:
  •  In parks, reserves, and national grasslands.
  •  On farms and ranches.
  •  In wildland-urban interfaces.
  •  Alongside freeways.
  •  Between plantations.
  •  Near hazardous sites.
 
Some applications for Blackline:
  •  Creating fire control lines prior to doing prescribed burning.
  •  Creating firebreaks around plantations where grading is
      contraindicated due to root sensitivity e.g. protea farms.
  •  Creating or maintaining airfield-perimeter firebreaks.
 
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How Blackline Works
 
Blackline has two components:
  •  The Blackline Burner is the primary (required) component that ignites
      dry vegetation within an enclosed, controlled area.
  •  The Blackline Afterburner is an optional component that extends
      the enclosed burning area, thereby increasing operational speed.
The Blackline Burner consists of:
  •  A burning system—an enclosed burning chamber with three propane
      burners, mounted on skids.
  •  A water system—adjustable spray heads alongside the burning
      chamber.

Blackline Burner

Positions of key components of the Blackline Burner

What the Blackline Burner does:
    Dry vegetation is ignited by the gas burners mounted at the front of
     the burning chamber.
    Burning occurs safely within the confines of the chamber. Flames are
     kept inside the burning chamber by a positive upward draft. (The
     chamber has sloped sides and air vents at the base.)
    Water from the adjustable spray heads provides an additional level of
     control by creating a wet line on either side of the burning chamber.
     This prevents the sideways spread of flames as the Blackline Burner
     moves forward.
    Drawn behind a low-gear vehicle, the Blackline Burner burns a 53-inch      wide blackline.
    Depending on the wind and the fuel load, speed can be increased
     —trailing flames can safely burn out within the confines of the
     wet line alone.
    By successively burning parallel blacklines, and then doing a
     controlled burn between these blacklines, you can make a firebreak of      any width.
The Blackline Afterburner consists of:
  •  An enclosed burning chamber (without gas burners) mounted on
      skids.
  •  A water system—adjustable spray heads alongside the burning
      chamber.
What the Blackline Afterburner does:
    The optional Afterburner is hitched behind the Burner to extend the
     enclosed burning area.
    It allows you to increase operating speed without compromising
     safety. Trailing flames that would then otherwise be exposed can
     now burn out within the confines of the Afterburner.
    The Afterburner is recommended when fuel loads are heavy or it is
     windy (and operational speed is important).
 
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Support Equipment
 
The Blackline Burner is pulled by a low-gear vehicle such as:
  •  A tractor
  •  A 4x4 pickup truck
  •  A Mercedes Unimog
 
The following auxiliary equipment is required:
  •  A propane tank with fittings for liquid withdrawal.
  •  An independent water supply (water sprayer) with water tank, pump,
     and high-pressure handgun.
 
The auxiliary equipment cannot be carried on the Blackline Burner or Afterburner. It can be carried on:
  •  The towing vehicle (a tractor may require a platform such as a
     modified three-point hitch).
  •  A trailer directly behind the towing vehicle.
 
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