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34 Cards in this Set
- Front
- Back
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Commonly used Ladders |
Straight Extension Roof Attic Aerial |
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Straight ladders |
Single section 10-25 feet |
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Extension Ladder |
Ladder with 2 or more sections.
40 and 50 foot ladders have poles to assist in raising and stabilizing them |
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Roof Ladder |
Straight Ladder with spring loaded collapsable hooks
Place or ridge line of roof
can be used to descend into holes
12 to 20 feet |
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Attic Ladder |
Small collapsable ladders which can fold to a width of 4 inches |
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Aerial Ladder |
Power operated multiple section extension ladders mounted on platform or apparatus
65-100 feet
Speed, stability and range
Useful for rescue and elevated fire streams
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Ladder Material |
Aluminum alloy |
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Ladder Testing
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Annual strength test
Ladders should be inspected after each use |
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Burring |
Smooth with Mill bastard file and polish with steel wool |
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Corrosion |
Wash with soap and water and clean with steal wool |
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Foreign Material |
Cut, scrap or file away (Tar, sulfur, ext.) or use solvent |
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Loose Rungs |
Defect beyond repair |
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Worn Halyard |
Defect beyond repair |
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Ladder dogs |
Check spring action and coat in paraffin wax |
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Poor Ladder Practice |
Its is not good practice to relocate a ladder more than a short distance by sliding it along a cornice or roll it beam over beam |
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Painting ladders |
Shall not be applied except for identifying length or company number |
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Cleaning ladders |
Flush inside rails and rungs
Mild soap and water
Solvent for oil or grease
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Brightening ladders |
-00- steel wool or scrub pad |
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Ladder lubrication |
Paraffin wax on all contacting parts and dogs |
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Perserving ladder finish |
Paste Wax |
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Visual inspection of Ground ladders |
1) Make sure rungs are tight 2) Check bolts an rivets 3) Check welds 4) Inspect rails 5) Check heat label (Can be affected by cleaners)
Ladder discoloration does not always mean ladder is unsafe |
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Ladder angles - Ideal, less and more |
Ideal 70 degrees
Increased: decrease stability
Decreased: ladder can withstand less load |
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Proper angle of inclination |
The heel of the ladder should be out from the building a distance equal to one fourth the distance from the heel to the point where ladder touches the building
If the top of the ladder rests on a cornice, shelf or other projection, the width of projection must be added to heel distance |
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Window rescue |
Lower ladder angle below 70 degress
try to block heels or place in soft dirt |
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Prevent Ladder kick out |
utilize object to block use roof ladder Stabilized by another firefighter steepen angle
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Check angle of ladder inclination |
Stand with feet at the heels and place arms out. If arms are comfortable grasping position you are near angle |
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Ladder standards (organization)
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Standard #1932 NFPA
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Ground ladder loads |
# Firefighters = tens of deer 1 - 0-19 feet 4- 40-49 feet 5 and above +50 feet
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Ladder Loads (FFs) resting on roof
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Rule of thumb: One firefighter for every 5 feet of roof ladder
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Climbing methods |
3 points at all time
Slide other hand when carrying equipment
Keep weight on balls of feet |
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Fire escape methods |
Slide hands up the sides of the ladder |
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Safety holds |
'Tying in'
2 types: Leg locks an body hold |
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Leg lock |
For firefighter working alone
The leg opposite of the work should be tied in the foot should be placed outside the beam |
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Body Hold |
Ideal when operating nozzle
One firefighter stands below other |
