← Back to Book Detail

Review Questions Safe Work Environment (90/96) -- Carpentry Refresher Program Manual

Browse
93%

Review Questions Safe Work Environment

Review Questions Safe Work Environment Review Questions - What PPE must be worn in a hazardous confined space where the entrance is from above? - What must be done to a hazardous confined space where a toxic, flammable, or explosive atmosphere is detected? - What type of soil(s) do not require sloping for the first 1.2 m in a trench? - What are the sloping requirements for type 4 soils? - If a trench is dug in type III soils and is 1 m wide at the bottom and 3 meters deep, how wide should the trench be at the top if it is sloped to prevent cave ins? - If sloping is not practical, what can be used for protection against cave-ins?
← Previous Chapter Next Chapter →