How high up the wall does the ladder reach?
How high up the wall does the ladder reach?
twelve feet
When a 20 ft ladder is leaned against a wall it makes a 72 degree angle with the ground how high up on the wall does the ladder reach?
19.02 feet
How far is the bottom of the ladder from the wall?
Formulas: A ladder should extend 3 feet above the roof if you are going to climb onto the roof. One foot is enough if you are just working on the ladder. A ladder should be set one fourth of it’s working height (point where it is touching the wall, or the edge of the roof) away from the wall.
What angle should ladders be at?
75 degrees
What is the safest angle to mount a ladder against a wall?
Footing: Correct Angle Position the ladder so that the distance from its base to the wall is one-quarter of the height of the ladder at its resting point, creating a 75-degree angle.
At what height are you considered to be working at height?
Work at height means work in any place where, if precautions were not taken, a person could fall a distance liable to cause personal injury. You are working at height if you: work above ground/floor level. could fall from an edge, through an opening or fragile surface or.
What PPE is required for working at heights?
Fall protection equipment such as lanyards and harnesses should be regularly inspected by a qualified professional. Such a professional should have the knowledge to not only inspect a lanyard or harness but must also be able to repair them if needed.
What are two of your responsibilities when working at height?
Ensure the work is planned, organised and supervised at all times. The risks from fragile surfaces have been properly controlled. Take weather conditions into account each time working at height needs to be done. Check that all equipment for working at height is checked and inspected.
What are 5 types of PPE?
The different types of PPE include:
- Head and scalp protection;
- Respiratory protection;
- Eye protection;
- Hearing protection;
- Hand and arm protection;
- Foot and leg protection;
- Body protection;
- Height and access protection.
What is the minimum height for using safety belt?
a Safety belts must only be used for fall restraint. They must never be used when there is potential for falls to a different level. Surface Maintenance will not use safety belts. b A full body harness with a Self-Retracting Lifeline must be used when working at height with a fall potential that is less than 18 feet.
How can we prevent falling objects in the workplace?
Overhead work
- Secure all tools and materials to prevent them from falling on people below.
- Use toe boards or guardrails on scaffolds to prevent objects from falling. Alternately, use debris nets or catch platforms to grab falling objects.
Which of the following is the most effective control measure to protect people who may be struck by falling objects?
Where there is a risk of someone being hit by a falling object, fencing should prevent objects falling from the edge of a surface. The use of upstands or toeboards should be provided where necessary.
What angle should a ladder be placed against a wall?
The correct angle for a ladder is 75 degrees or the 1 in 4 rule.