Portable Ladders (Ladder Ops V3) Flashcards
T or F. If in good condition, ladder lock assemblies on the extension ladders will work and lock in either the fly out or the fly in position?
True.
Note: The FDNY has adopted the Fly Out position.
Portable Ladder Capacities for:
a) Collapsible
b) Roof, Straight and Extension Ladders 26’ ft or Less
c) Extension Ladders (27’ to 35’)
A) 300 pounds
B) 500 pounds
C) 600 pounds
When performing a leg lock, what rung is the locking leg placed over?
Two rungs above the one the member is standing on.
What is the climbing angle for the portable ladder?
65 to 75 degree
An angle steeper than 75 degrees increases the chances of what?
Climber falling off
Ladders angled less than 65 degrees effect what?
The maximum load
How far from the end of a ladder should unit designation be?
18 inches
If a portable ladder is to be left unattended, who secures the tip?
The first member who climbs it so that it will not be dislodged or knocked over by outside streams or wind.
What is the appropriate placement for ladders at:
a) Window
b) Roof
c) Along Fire escape
d) Against a fire escape
a) Level with the sill
b) At least two feet above
c) 1 - 3 ft above
d) Slightly above fire escape railing
When fire escapes are overcrowded at a fire, where should portable ladder be raised?
To the first balcony at a point opposite the drop ladder.
T or F? Can a telescoping ladder be used as a bridge horizontally?
False
T or F? Portable ladders placed on one beam, elevated to knee level on supports and properly secured, can act as a barrier to civilian pedestrian traffic near a hazardous condition or fire operation.
False, should be waist level
When fire escapes are overcrowded at a fire, where should portable ladder be raised?
To the first balcony at a point opposite the drop ladder.
If time permits, should one lash a ladder to the fire escape?
Yes
If a second ladder is needed due to overcrowding on a fire escape, where should it be raised?
Second Balcony, opposite of first ladder.