Ladders 1 Flashcards
What size hooks do the marine companies carry and what color are they painted?
12’ & 20’ portable hook ladders (fixed), painted black except for the hooks 18” at base of beam painted white.
If an aluminm ladder is subjected to excessive heat (discoloration may indicate a loss of structural strength), who do you notify?
Technical Services Division
If receipt of a spare apparatus and the ladders cannot be held securely, the _________________ shall immediately be notified by telephone and a ______________ shall be forwarded and an entry made in the ________________.
Technical Service Division/ Requisition/ Company Journal
When should temporary fastenings for ladders are used on a rig, when should they be checked?
After each response
If the officer feels a certain ladder cannot be temporarily secured on a spare apparatus in a safe manner, what should be done?
Ladder shall be left of the apparatus and an entry made in the company journal
The numerical length of a ladder shall be marked on the side of the rails within _____________ inches of the end of the ladder?
12”
The unit designation shall be marked within _________ inches of each butt end
18”
The ____–_____ degree climbing angle allows a portable ladder to provide its maximum strength and best service.
65-75 degrees
Rules for portable ladder placement:
Placed at a window
Tip shall be level with window sill
Rules for portable ladder placement:
Placed at a roof:
Tip shall be at least 2 feet above the roof or parapet
Rules for portable ladder placement:
Placed alongside a fire escape on a building wall
Tip shall be 1-3 feet above the fire escape railing
Rules for portable ladder placement:
Placed against a fire escape
Tip shall be slightly above the fire escape railing
Portable ladder capacities:
Collapsible Ladders
up to 300 pounds
Portable ladder capacities:
Roof, straight, and extenstion ladders 26’ or less
up to 500 pounds
Portable ladder capacities:
Extension ladders 27’-35’
up to 600 pounds
In tenements without a front fire escape, portable ladder shall be raised adjacent to and above the fire area for what types of fires?
Cellar fire, 1st and/or 2nd floor fires
Which ladder because of its portability can be used for party wall baloconies to gain access to from either the rear yard or via the roof?
12’ hook ladder
In a brownstone, take the ladder through the _______/________ floor of an adjoining brownstone to get to the rear. Take this ladder with the _______ facing the rear.
2nd floor/parlor floor
butt
Generally, floor and ladder working lengths are:
35’ extension ladder
4th floor
Generally, floor and ladder working lengths are:
25’ or 35’ extension ladder
3rd floor
Generally, floor and ladder working lengths are:
16’ or 25’ extension ladder
2nd floor
When venting a window from a ladder, the tip of the ladder should be?
level with or higher than the top of the window
Do not climb higher than the _________ rung from the top on either straight or extension ladders.
3rd
Can a wooden portable ladder conduct electricity?
Yes
When does the FDNY perform a visual inspection of portable ladders?
weekly and after each use