Handbook of Tactics Ch 7-8 Flashcards
What are the ladder company’s duties?
LOVERS U Laddering Overhaul Ventilation Entry Rescue Salvage Utilities
4 advantages of having a plan of action at a structure fire?
- FORMALIZES thinking
- Assigns a degree of PRIORITY to each element
- INFORMS each member about what is happening
- Establishes ACCOUNTABILITY for one’s actions
What are 3 basic requirements of an operational plan?
- NUMBER OF PEOPLE of to be committed initially to each area of responsibility
- TOOLS to be provided in each area
- General SCOPE OF DUTIES
What are the 3 basic tools required at all structural fires?
- Halligan
- Flathead axe
- NY hook or pike pole
What is the area of highest life hazard in a private dwelling fire regardless of the time of day?
The bedroom
Five basic tool requirements for an interior ladder crew?
- Halligan
- Flathead axe
- NY hook or pike pole
- Lights
- Portable radio
Five factors which affect the selection and placement of a portable ladder?
- Reach
- Stored length
- Weight
- Material of construction
- Number of personnel required
What is the average height of one residential floor
9 ft
What is the average height of one commercial floor?
12 ft
Is the average windowsill height from the floor?
3 ft
What is the correct climbing angle for a portable ladder ladder?
70 degrees
To determine the distance of the ladder butt from the building, take the working height of the ladder and ____________.
Divide by four
With a 70° climbing angle, how much of a ladder’s total length is lost?
6 %
What is the best ladder position for venting a window?
Tip of the ladder even with the top of the window frame, on the upwind side.
Proper placement of a ladder for VES?
Place the tip at or just below the windowsill.
How many men are required to raise a 35’ aluminum ladder?
Two, if they butt it against the building.
Can a wooden ladder conduct electricity?
Yes, if it is coated with water.
What is a visible indication of a loss of ladder strength due to heat exposure?
A slight bluing of the aluminum.
Heat indicators on a ladder change color at _____.
300 deg F
What NFPA standard covers portable ladders?
NFPA 1932
What is the NFPA requirement for total length of ground ladders on a ladder truck?
Total of 168 ft
According to NFPA 1932, what is the design load for most ladders?
750 lbs
Modern ladders are at least _____ wide at the narrowest point.
16 inches
A large proportion of ladder failures occur during_______.
Training