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LAFD Lesson Plans
Ladders
10
Other
Professional
11/20/2007

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Term

LADDERS (CONSTRUCTION)

 

TAPERED TRUSS SIDE RAILS MADE OF AIR-DRIED WEST COAST DOUGLAS FIR

SWELLED CENTER SOLID HICKORY RUNGS

RUNGS PLACED AT 12-INCH CENTERS

STEEL TIE RODS

TRUSS BEAMS AND TRUSS BLOCKS

MISCELLANEOUS WEAR PARTS MADE OF SOLID RED OAK

Definition
Term

THE 12' EXTENSION LADDER

 

ONE-MEMBER LADDER

MADE UP OF TWO 7' SECTIONS

WEIGHT: 34LBS

RUBBER SHOES INCREASE BASE STABILITY

SHORT D-HANDLE PIKE POLE IS ATTACHED

USED FOR INSIDE WORK OR STEP-LADDER

ONE MEMBER PERMITTED ON LADDER

CARRIED ON: TRUCKS

Definition
Term

THE 14' EXTENSION LADDER (BABY BANGOR)

 

ONE-MEMBER LADDER

MADE UP OF TWO 9' SECTIONS

WEIGHT: 45LBS

STRAIGHT PIKE POLE ATTACHED

USED FOR INSIDE WORK AND AS STEP-LADDER

ONE MEMBER PERMITTED ON LADDER

CARRIED ON: TRUCKS

Definition
Term

THE 20' EXTENSION LADDER

 

ONE-MEMBER LADDER

MADE UP OF TWO 12' SECTIONS

WEIGHT: 98LBS

FLY EXTENDED WITH 3/8" HALYARD

USED ON ONE-STORY ROOFS, SECOND FLOOR WINDOWS, AND VERY LOW FIRE ESCAPES BALCONIES.

TWO MEMBERS PERMITTED ON LADDER

CARRIED ON: ENGINES

Definition
Term

THE 20' STRAIGHT LADDER

 

ONE-MEMBER LADDER

WEIGHT: 65LBS

USED TO REACH ONE-STORY ROOFS, SECOND-STORY WINDOWS, AND VERY LOW FIRE ESCAPE BALCONIES.

ALSO USED FOR BRIDGING OPERATIONS AND TRENCH RESCUE.

TWO MEMBERS PERMITTED ON LADDER

CARRIED ON: TRUCKS(2)

Definition
Term

THE 24' STRAIGHT LADDER

 

TWO-MEMBER LADDER

WEIGHT: 78LBS

USED TO REACH ONE-STORY ROOFS, SECOND-STORY WINDOWS, AND MOST FIRE ESCAPE BALCONIES.

ALSO USED FOR BRIDGING OPERATIONS AND TRENCH RESCUE.

RAISED USING TWO METHODS:

FLAT RAISE AND BEAM RAISE

TWO MEMBERS PERMITTED ON LADDER

CARRIED ON: TRUCKS(2)

Definition
Term

THE 35' EXTENSION LADDER

 

TWO- OR THREE- MEMBER LADDER

MADE UP OF TWO 20' SECTIONS

WEIGHT: 168 LBS

USED TO REACH TWO AND SOME THREE- STORY ROOFS, SECOND AND THIRD FLOOR WINDOWS, AND FIRE ESCAPE BALCONIES.

FLY SECTION RAISED WITH 5/8" HALYARD

THREE MEMBERS PERMITTED ON LADDER

CARRIED ON: TRUCKS(2)

Definition
Term

THE ROOF LADDER (10', 12', AND 14')

 

RAISED BY ONE MEMBER

WEIGHTS: 30, 36, 42 LBS

HAS COLLAPSIBLE HOOKS AT ON END

REQUIRES INITIAL PLACEMENT OF GROUND/AERIAL LADDER.

USED FOR WORKING ON PITCHED ROOFS TO DISTRIBUTE WEIGHT AND TO AVOID SLIPPING.

CAN BE USED AS A STRIAGHT LADDER.

TWO MEMBERS PERMITTED ON LADDER

Definition
Term

THE ROOF LADDER (16' AND 20')

 

NORMALLY RAISED BY TWO MEMBERS

WEIGHTS: 48 AND 60 LBS

HAS COLLAPSIBLE HOOKS AT ONE END

REQUIRES INITIAL PLACEMENT OF GROUND/AERIAL LADDER.

USED FOR WORKING ON PITCHED ROOFS TO DISTRIBUTE WEIGHT AND AVOID SLIPPING.

CAN BE USED AS A STRAIGHT LADDER.

THREE MEMBERS PERMITTED ON LADDER

 

Definition
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