Construction Safety Quiz On Stairways And Ladders!

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Kiewitsafe

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Quizzes Created: 30 | Total Attempts: 53,248

Questions: 10 | Attempts: 1,155 | Updated: Mar 21, 2023

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Construction Safety Quiz On Stairways And Ladders! - Quiz

Construction safety means supervision of work and protecting the employees from any hazards or accidents in a construction site. This quiz has been designed to test employee knowledge of construction safety, usage of Ladders and stairways, and their installation. Take this quiz test your knowledge and learn basic rules to prevent any hazards while using stairway and ladders. So, let's try out the quiz. All the best!

Questions and Answers

1.

A break in elevation of _____ or more requires a step or ladder for access?
- A.
  
  7 ¾ in
- B.
  
  18 in
- C.
  
  12 in
- D.
  
  16 in
Correct Answer
B. 18 in

Explanation
A break in elevation of 18 inches or more requires a step or ladder for access because it is considered a significant change in height that could pose a safety risk if not properly addressed. Steps or ladders provide a stable and secure way for individuals to navigate and climb such elevations, ensuring their safety and preventing accidents or injuries.

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2
0
2.

How much force are handrails required to withstand?
- A.
  
  At least 1000lbs
- B.
  
  At least 200lbs
- C.
  
  At least 500lbs
- D.
  
  No more than 100
Correct Answer
B. At least 200lbs

Explanation
Handrails are required to withstand a minimum force of 200lbs. This is because handrails are installed to provide support and stability to individuals using stairs or ramps. A force of at least 200lbs ensures that the handrail can bear the weight of an average person and provide the necessary support without breaking or becoming unstable.

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3.

When are handrails required?
- A.
  
  Stairs with 4 or more risers
- B.
  
  Stairs higher than 30 inches
- C.
  
  Stairs less than 44 in wide
- D.
  
  All of the Above
Correct Answer
D. All of the Above

Explanation
Handrails are required in all of the mentioned scenarios. Handrails are necessary for stairs with 4 or more risers to provide support and stability while ascending or descending. They are also required for stairs higher than 30 inches to prevent falls and ensure safety. Additionally, handrails are needed for stairs less than 44 inches wide to assist individuals in maintaining balance and preventing accidents. Therefore, all of the given options indicate situations where handrails are required.

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1
0
4.

How big of a platform is needed outside a door? This isn't acceptable.
- A.
  
  20 inches
- B.
  
  20 inches past door swing
- C.
  
  The width of door swing
- D.
  
  None is needed
Correct Answer
B. 20 inches past door swing

Explanation
To ensure that the door can fully open without any obstruction, a platform of at least 20 inches is needed outside the door. This allows for the door to swing open without hitting any objects or walls, providing enough space for easy access through the door.

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5.

Do metal pan stairways need a temporary filler to be able to use prior to concrete installation?
- A.
  
  Yes
- B.
  
  No
Correct Answer
A. Yes

Explanation
Metal pan stairways need a temporary filler prior to concrete installation because the metal pans are not strong enough to support the weight of the concrete on their own. The temporary filler provides additional support and stability to the stairway structure during the concrete pouring process. Without the filler, the metal pans may deform or collapse under the weight of the concrete, leading to structural issues and potential safety hazards. Therefore, it is necessary to use a temporary filler before concrete installation on metal pan stairways.

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6.

Can a job built ladder have a varying distance between steps?
- A.
  
  Yes
- B.
  
  No
Correct Answer
B. No

Explanation
A job built ladder cannot have a varying distance between steps. In order to ensure safety and stability, the distance between steps on a ladder should be consistent. Varying distances between steps can lead to instability and increase the risk of accidents while climbing or descending the ladder. Therefore, it is important for a job built ladder to have a fixed and uniform distance between steps.

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7.

Are metal ladders allowed on Kiewit job sites?
- A.
  
  Yes
- B.
  
  No
Correct Answer
B. No

Explanation
Metal ladders are not allowed on Kiewit job sites.

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8.

How far must a ladder extend past the desired landing area?
- A.
  
  1 Foot Above
- B.
  
  1 Foot Below
- C.
  
  Just to the height of landing
- D.
  
  3 Feet above landing
Correct Answer
D. 3 Feet above landing

Explanation
A ladder should extend 3 feet above the desired landing area. This is because it provides a secure handhold for individuals getting on or off the ladder. It also helps to maintain stability and prevent accidents by ensuring that there is enough support and balance when climbing up or down the ladder.

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1
0
9.

At what ratio or angle does a ladder need to be leaning to achieve optimal performance and safety for those who use it?
- A.
  
  1 foot away for 4 feet of height 4:1
- B.
  
  1 foot away for 2 feet of height 2:1
- C.
  
  1 foot away for 8 feet of height 8:1
- D.
  
  Straight up and down
Correct Answer
A. 1 foot away for 4 feet of height 4:1

Explanation
The correct answer is 1 foot away for 4 feet of height 4:1. This means that for every 1 foot of height, the ladder should be placed 4 feet away from the wall or surface it is leaning against. This ratio ensures optimal performance and safety by providing a stable and secure angle for the ladder. If the ladder is placed at a steeper angle, it may be more prone to tipping over. On the other hand, if the ladder is placed at a shallower angle, it may not provide enough stability for the user.

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10.

How much weight must a self supporting ladder be able to withstand?
- A.
  
  2 times the intended load
- B.
  
  4 times the intended load
- C.
  
  The amount of the intended load
- D.
  
  A little less is fine, they are over designed.
Correct Answer
B. 4 times the intended load

Explanation
A self-supporting ladder must be able to withstand 4 times the intended load because it needs to provide a strong and stable support for the person using it. This ensures that the ladder can safely hold the weight of the person and any additional equipment or materials they may be carrying while climbing or working on it. By designing the ladder to withstand 4 times the intended load, it allows for a margin of safety and helps prevent accidents or structural failures.

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