When using an articulated ladder, how should you access a roof? If the articulated ladder is too short, it is acceptable to stand one step above the highest standing level. The articulated ladder should be transported in the single ladder configuration.
When using an articulated ladder and scaffolding configuration the height of the scaffolding should not exceed?
Scaffolding and Worktables
The height should not exceed three times the width of the bottom support in the scaffold position. When used as a worktable, working heights should be limited to five feet or less.
What is not a guideline for proper use of an articulated ladder?
The ladder must not be used on ice, snow or slippery surfaces unless suitable means to prevent slipping is employed. The ladder must never be placed upon other objects such as boxes, barrels, scaffolds, or other unstable bases in an effort to obtain additional height.
What is the proper angle of inclination when using an articulated ladder in the single or extension ladder configuration?
Single and Extension Ladders should be erected as close to a pitch of 75 1/2 degrees from the horizontal as possible for optimum resistance against the bottom of the ladder sliding out, strength of the ladder, and balance of the climber.
What is allowed to access a scaffold?
The access to the platform of a supported scaffold must be done using ladders, stairs, ramps or direct passage from another scaffold or structure. Do not use the scaffold frame to climb to the work platform. The use of stilts for climbing up or down a scaffold is not allowed.
What should you do when you use a ladder?
What should you do when climbing up or down a ladder?
- Face the stepladder.
- Keep your body centered between side rails.
- Maintain three-point contact by keeping two hands and one foot, or two feet and one hand on a ladder always.
- Keep a firm grip.
- Make sure that footwear is in good condition.
What is the 4 to 1 rule when using a ladder?
The base of the ladder should be placed so that it is one foot away from the building for every four feet of hight to where the ladder rests against the building. This is known as the 4 to 1 rule.
Which of the following ladder safety guidelines are correct?
Always face the ladder and use both hands to climb and descent. Keep three limbs on the ladder at all times. Carry tools in a tool belt or raise and lower them with a hand line. Always hold on with one hand and never reach too far to either side or to the rear.
How many points of contact should be kept when climbing an articulated ladder select the best answer?
(X)Use three points of contact: one hand and two feet, or two hands and one foot. ( )Face away from the ladder as you descend. 5. An extension ladder should be secured or tied off at the upper landing surface with a strong material, such as wire or rope.
What is a Type 1aa ladder?
a) Type IA – These ladders have a duty rating of 300 pounds. Type IA ladders are recommended for extra-heavy-duty industrial use. b) Type I – These ladders have a duty rating of 250 pounds. … d) Type III – These ladders have a duty rating of 200 pounds. Type III ladders are rated for light-duty use.
What is the proper lean angle of a rigid ladder?
The correct angle for a ladder is 75 degrees or the 1 in 4 rule.
How is a ladder measured?
Measure the height from the bottom to the top of the ladder. Measure one of the supporting beams instead of the ladder rungs, since most rungs start off the ground. Make a note of the measurement. This will be the measurement that’s used commercially to note the height of a step ladder that is being sold.