Falls
In an excavation and egress ladder must extend ____ feet above the surface.
3 feet
How often should ladders be inspected?
frequent and regular intervals
True or false- It is safe to set up a ladder on scaffolding
False
This smells like rotten eggs, is toxic in low concentrations and is a normal by-product of decay of biological (animal and plant) materials.
What is hydrogen sulfide?
How many points of contact should be maintained when using a ladder?
3
Scaffolds must have a minimum safety factor of?
4