Ladder Duty Ratings (2.3.0 Table 2, + 2.2.0)
What is the load capacity of a Type IAA ladder?
375 lbs – 2.3.0 Table 2
What is the 4:1 rule for ladder setup?
Base 1 ft out for every 4 ft up – 2.3.1
How many points of contact should you maintain while climbing?
Three points of contact – 2.3.1
How often should ladders be inspected?
Before each use – 2.3.4
Which ladder type is rated for 250 lbs maximum intended load?
Type I – 2.3.0 Table 2
How far above a landing must a straight ladder extend?
At least 3 ft above the landing – 2.3.1
What should you do if you need to carry tools while climbing?
Use a hand line or tool belt – 2.3.1
A ladder must be removed from service if it has a broken ______, a cracked ______, loose ______, damaged ______, or slippery ______.
Rung, rail, hardware, foot, or substances – 2.3.4
Which duty rating is considered “extra heavy-duty” at 300 lbs?
Type IA – 2.3.0 Table 2
Define hand line.
A rope used to raise or lower tools instead of carrying them – 2.3.1
Why should ladders be kept free of oil and grease? (2.3.4)
To prevent slips and falls – 2.3.4
What must be done with a defective ladder?
Remove from service and tag “Do Not Use” – 2.3.4
How is a safety net drop-test performed before it is used?
Drop a 400-lb (±30 lb) sandbag from 42 inches above the net – 2.2.0
Define maximum intended load. (See also 2.3.0)
The total load (worker + tools + materials) the ladder can safely carry – 2.3.0/2.3.1
Why is overreaching on a ladder dangerous?
It can cause loss of balance and a fall – 2.3.1
On extension ladders, rung locking mechanisms should be ______ over the desired rung.
2.3.1 (extension ladder use)
What is the lightest-duty ladder rating, and its capacity?
Type III – 200 lbs – 2.3.0 Table 2
According to Figure 27, what is required at the bottom of a straight ladder when it is set up?
The bottom must be secured (tied, blocked, or held in place) – Fig. 27, 2.3.1
What is the correct base distance for a 20 ft ladder?
5 ft (20 ÷ 4 = 5) – 2.3.1
Wooden ladders should never be ______.
Painted – 2.3.4