Ladders 2 Flashcards
What is the closed length of a 35 foot extension ladder with 3 sections?
15’3”
This ladder has a weight of 129 pounds and is rated at 750 pounds.
What is the width of the 35 foot extension ladder (3 section solid beam)?
24”
The ladder has 14 inch rungs on center and a rung diameter of 1.25 inches.
What is the weight of the 35 foot extension ladder (2 section truss)?
153 pounds
This ladder also has a closed length of 20 feet and is rated at 750 pounds.
What is the closed length of a 24 foot extension ladder?
14’2.75”
The ladder weighs 72 pounds and is rated at 750 pounds.
What is the weight of the 14 foot roof ladder?
28 pounds
It has a closed length of 2.25” for hooks and is rated at 750 pounds.
What is the open length of the Captains / Attic Ladder?
10’1.87”
This ladder is rated at 300 pounds and weighs 16 pounds.
What maintenance method should be used to remove dirt and debris from ladders?
Soap and water
Ladders should be dried after cleaning.
What is the safety factor for ladders?
4:1 safety factor
Ladders are tested annually or after extraordinary occurrences.
What type of tape is used for ladder identification?
1” yellow reflective tape
This tape is placed at the balance point of the ladder.
What is the diameter of the rungs on all ladders mentioned?
1.25”
All ladders have a wall thickness of .065” and 20 serrations per rung.
True or False: The heat sensors on the ladders turn at 300 degrees Fahrenheit.
True
Each section has 4 heat sensors.
Fill in the blank: The ladder parts should be inspected for _______.
damage (wears, tears, or malfunctioning parts)
Regular inspections help ensure safety.
What type of lubricant should be used on pulleys and lock assembly pivot points?
White lithium grease
This should be applied in small amounts.
What is the closed length of the Captains / Attic Ladder?
11’.25”
It has non-slip safety shoes and is rated at 300 pounds.
What is the weight of the 35 foot extension ladder (3 section solid beam)?
129 pounds
It is rated at 750 pounds.
What materials are the ladders made from?
6061 T6 Aluminum
This material provides strength and durability.
