Attack Lines

COURSE: FIREFIGHTER PRE-BASIC SESSION REFERENCE: 6 TOPIC: ATTACK LINES TIME REQUIRED: THREE HOURS MATERIALS: ONE FULLY EQUIPPED PUMPER STRUCTURE FOR USE IN ADVANCING HOSE REFERENCES: ESSENTIALS OF FIRE FIGHTING, FOURTH EDITION...


  12. A firefighter will go up the ladder and, using a rope hose tool, secure the hose the center of the

        ladder at each ladder section

  13. Attack the fire as described in the next section

F. Advancing a Charged Line up a Ladder

  1. Place the needed hose at the base of the ladder

  2. The first firefighter ascending the ladder will take the nozzle in one hand while holding onto the

      ladder beam with the other hand

  3. The firefighter will proceed up the ladder

  4. The next firefighter will be approximately 15 feet behind the first firefighter holding onto the hose

      with one hand and the ladder beam with the other hand

  5. Additional firefighters will be positioned on the ladder as needed every 15 feet

  6. Once the first firefighter reaches the top of the ladder, they will enter the opening or roof with the

      hoseline

  7. The second firefighter will proceed to the top of the ladder, take a leg lock, advance any additional

      hose that is needed, and them proceed to assist the first firefighter

  8. Other firefighters will take leg locks on the ladder and hand advance hose

  9. Once adequate hose has been advanced, the other firefighters on the ladder will exit and the line

      will be charged

  10. A firefighter will go up the ladder and, using a rope hose tool, secure the hose the center of the

        ladder at each ladder section

  11. Attack the fire as described in the next section

G. Standpipe Operations

  1. Equipment

      a. 150 feet of 1-1/2-inch or 1-3/4-inch hose

      b. Nozzle

      c. Gated wye

      d. Pipe wrench in the event the hand wheel on outlet missing

      e. Secondary standpipe pack consisting of 2-inch or 2-1/2-inch hose

      f. Short section (5 feet) of 2-1/2-inch or 3-inch hose to go between outlet and gated wye

      g. Gated wye may be equipped with 1-1/2-inch to 2-1/2-inch increaser to permit connection of

          larger attack hose

  2. Beginning attack operations

      a. Connect to outlet in stairwell on floor below the fire floor

      b. Pull excess hose up stairway toward next floor before charging

      c. Be careful not to impede evacuation or allow great volumes of smoke in stairway

      d. Attack the fire as described in the next section

  3. Fire department siamese

      a. Water should be pumped into any standpipe system being used for firefighting

      b. At least two lines should be connected

          1) First line to left intake and charged

          2) Second line to right intake

      c. If supply line cannot be connected to siamese, water can be supplied to system through outlet on

         first floor

     d. Pumper should be positioned within 50 feet

H. Master Stream Operations

  1. A master stream device is a device that flow at least 350 GPM through either an apparatus

      mounted appliance, a ground mounted appliance, or an elevated appliance

  2. Water supply for master streams

       a. Pumper at water source sending water to pumper at fire

       b. Adequate number of supply lines laid between pumpers and from pumper at fire to master

           stream device

       c. No more than 100 feet of hose between pumper at fire and master stream device

  3. Use of master stream devices

       a. Fire attack

       b. Back-up

       c. Exposure protection

  4. Setting up master stream

       a. Requires at least two hoselines at least 3 inches in diameter

       b. Hoselines should be connected to the intact siamese

 

III. FIRE ATTACK (6-3)

A. Initial Attack

  1. Direct attack

       a. Used for smaller fires or lower heat levels in the room

       b. Water is applied directly to fire rather than area above fire

       c. Narrow fog or straight stream used

  2. Indirect attack - fog stream used to attack fire from outside building

      a. Should not be used to fight fire in occupied building

      b. Quick interior attack should not be made in building undergoing demolition, abandoned, had