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.
What portable ladder may be used on a balconies for access for search and rescue?
12 Ft (Hook)
When placing ladder at front of brownstone to gain access to room over stoop, where should you consider placing ladder?
At adjoining window to gain entrance. May be a door to that room from a large room.
T or F. Generally, in the rear of a brownstone , the 35’ extension ladder can reach the fourth floor?
True
When venting windows with lexan panels using portable ladders, where do we place them?
In the corner adjacent to window frame.
When venting a window from a portable ladder where should it be placed?
Upwind and level with or higher than window.
When member is venting window from a portable ladder, how should he do it?
He should extend his arm upward and slant tool downward and strike the glass.
T or F. Extension ladders must only be used in the the extended position when bridging.
False. “in the nested position”
During Snow Conditions, how can a ladder be used?
Can be used as a sleigh for transporting heavy equipment and rolled or folded hose.
Which ladders are well suited for elevator operations
10’ folding and 12’ Telescoping
T or F? Fly and Bed are meant to be taken apart on an extension ladder and used separately?
False`
The window is 28 feet above ground level, how far is the placement of the ladder from the building?
7 feet
(Remember 1/4 rule)
T or F? When operating at an electrical substation under no circumstances shall metal ladders or tools be brought inside the gates?
True
How often should portable ladders be waxed with plain candle wax or paraffin? Oiled?
Every 3 months. 1 or 2 drops a year on pulleys.
How often should ladders be inspected?
Weekly and after every use.